All Stories

  1. Effect of Prenatal Exposure to Corticosterone on Broad‐Snouted Caiman (Caiman latirostris) Hatchlings

    Article • Journal of Experimental Zoology Part A Ecological and Integrative Physiology, January 2026, Wiley

    Dr Gustavo M. Somoza

  2. Seasonal vs opportunistic breeders, a seasonal morphological and endocrine comparative study of the gonadal cycle in birds

    Article • General and Comparative Endocrinology, January 2026, Elsevier

    Dr Gustavo M. Somoza

  3. The Current State of Research on Pejerrey ( Odontesthes bonariensis ) Physiology and Challenges for Aquaculture Development

    Article • Reviews in Aquaculture, December 2025, Wiley

    Dr Gustavo M. Somoza

  4. Ontogeny of gonadotropin-inhibitory hormone cells and fibers in the brain and pituitary gland of the pejerrey fish, Odontesthes bonariensis

    Article • General and Comparative Endocrinology, September 2025, Elsevier

    Dr Gustavo M. Somoza

  5. Advances in Reproduction, Nutrition and Disease Research in the Yellowtail Kingfish (Seriola lalandi) Aquaculture

    Article • Reviews in Aquaculture, June 2025, Wiley

    Dr Gustavo M. Somoza

  6. Pejerrey (Odontesthes bonariensis) Under Siege: Main Infectious Diseases and Their Role in Aquaculture and Wild Populations Amidst Environmental Change

    Article • Journal of Fish Diseases, December 2024, Wiley

    Dr Gustavo M. Somoza

  7. The potential influence of photoperiod and temperature on the male reproductive physiology of the narrownose smooth hound shark, Mustelus schmitti

    Article • Marine Biology, October 2024, Springer Science + Business Media

    Dr Gustavo M. Somoza

  8. EROD activity in the native fish Cnesterodon decemmaculatus as a biomarker for assessing aquatic pollution by AhR agonist chemicals within the Rio de la Plata Basin

    Article • The Science of The Total Environment, October 2024, Elsevier

    Dr Gustavo M. Somoza

  9. Sex hormones and life histories: An evolutionary perspective

    Article • Molecular and Cellular Endocrinology, September 2024, Elsevier

    Dr Gustavo M. Somoza

  10. Genome sequencing and analysis of black flounder (Paralichthys orbignyanus) reveals new insights into Pleuronectiformes genomic size and structure

    Article • BMC Genomics, March 2024, Springer Science + Business Media

    Dr Gustavo M. Somoza

  11. Temperature- and genotype-dependent stress response and activation of the hypothalamus-pituitary-interrenal axis during temperature-induced sex reversal in pejerrey Odontesthes bonariensis, a species with genotypic and environmental sex determination

    Article • Molecular and Cellular Endocrinology, March 2024, Elsevier

    Dr Gustavo M. Somoza

  12. Links between reproduction and immunity in two sympatric wild marine fishes

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, January 2024, Elsevier

    Dr Gustavo M. Somoza

  13. Reproduction in Osteichthyes

    Article • January 2024, Elsevier

    Dr Gustavo M. Somoza

  14. Fighting cichlids: An integrated multimodal analysis to understand female and male aggression in Cichlasoma dimerus

    Article • Hormones and Behavior, February 2023, Elsevier

    Dr Gustavo M. Somoza

  15. Atrazine alters early sexual development of the South American silverside, Odontesthes bonariensis

    Article • Aquatic Toxicology, January 2023, Elsevier

    Dr Gustavo M. Somoza

  16. Effects of Anthropic Pollutants Identified in Pampas Lakes on the Development and Reproduction of Pejerrey Fish Odontesthes bonariensis

    Article • Frontiers in Physiology, July 2022, Frontiers

    Dr Gustavo M. Somoza

  17. Overview and New Insights Into the Diversity, Evolution, Role, and Regulation of Kisspeptins and Their Receptors in Teleost Fish

    Article • Frontiers in Endocrinology, March 2022, Frontiers

    Dr Gustavo M. Somoza

  18. Developmental aspects of the hypothalamic-pituitary network related to reproduction in teleost fish

    Article • Frontiers in Neuroendocrinology, October 2021, Elsevier

    Dr Gustavo M. Somoza

  19. Post-spawning feed deprivation effects on testicular and ovarian maturation in the neotropical cichlid fish Cichlasoma dimerus

    Article • Fish Physiology and Biochemistry, August 2021, Springer Science + Business Media

    Dr Gustavo M. Somoza

  20. Acute exposition to Roundup Transorb® induces systemic oxidative stress and alterations in the expression of newly sequenced genes in silverside fish (Odontesthes humensis)

    Article • Environmental Science and Pollution Research, July 2021, Springer Science + Business Media

    Dr Gustavo M. Somoza

  21. Sex‐specific environmental sensitivity on the postnatal growth of a sexually size‐dimorphic seabird

    Article • Ibis, January 2021, Wiley

    Dr Gustavo M. Somoza

  22. Digestive enzyme activities during pejerrey (Odontesthes bonariensis) ontogeny

    Article • Aquaculture, July 2020, Elsevier

    Dr Gustavo M. Somoza

  23. Multimodal hypothalamo-hypophysial communication in the vertebrates

    Article • General and Comparative Endocrinology, July 2020, Elsevier

    Dr Gustavo M. Somoza

  24. Reproduction in the Eared Dove: An exception to the classic model of seasonal reproduction in birds?

    Article • Zoology, June 2020, Elsevier

    Dr Gustavo M. Somoza

  25. Biogeography, habitat transitions and hybridization in a radiation of South American silverside fishes revealed by mitochondrial and genomic RAD data

    Article • Molecular Ecology, January 2020, Wiley

    Luiz Malabarba, Dr Gustavo M. Somoza

  26. Effects of temperature on the reproductive physiology of female elasmobranchs: The case of the narrownose smooth-hound shark (Mustelus schmitti)

    Article • General and Comparative Endocrinology, December 2019, Elsevier

    Dr Gustavo M. Somoza

  27. Dietary l-tryptophan modulates agonistic behavior and brain serotonin in male dyadic contests of a cichlid fish

    Article • Journal of Comparative Physiology A, November 2019, Springer Science + Business Media

    Dr Gustavo M. Somoza

  28. The Duplicated Y-specific amhy Gene Is Conserved and Linked to Maleness in Silversides of the Genus Odontesthes

    Article • Genes, September 2019, MDPI AG

    Dr Gustavo M. Somoza

  29. Morphological relationship between GnIH and GnRH neurons in the brain of the neotropical cichlid fish Cichlasoma dimerus

    Article • General and Comparative Endocrinology, March 2019, Elsevier

    Professor Jose A. Muñoz-Cueto, Dr Gustavo M. Somoza

  30. Endocrinology of neotropical vertebrates

    Article • General and Comparative Endocrinology, March 2019, Elsevier

    Dr Gustavo M. Somoza

  31. Chondrichthyan research in South America: Endocrinology overview and research trends over 50 years (1967–2016) compared to the rest of the world

    Article • General and Comparative Endocrinology, March 2019, Elsevier

    Dr Gustavo M. Somoza

  32. The Gonadotropin-Inhibitory Hormone: What We Know and What We Still Have to Learn From Fish

    Article • Frontiers in Endocrinology, February 2019, Frontiers

    Professor Jose A. Muñoz-Cueto, Dr Gustavo M. Somoza

  33. Sex hormone binding globulin during an annual reproductive cycle in the hepatopancreas and ovary of pejerrey (Odontesthes bonariensis)

    Article • General and Comparative Endocrinology, February 2019, Elsevier

    Dr Gustavo M. Somoza

  34. The central nervous system acts as a transducer of stress-induced masculinization through corticotropin-releasing hormone B

    Article • Development, January 2019, The Company of Biologists

    Dr Gustavo M. Somoza

  35. Field Sexing Olrog's Gull (Larus atlanticus) Using Morphometry

    Article • Waterbirds, December 2018, Waterbird Society

    Dr Gustavo M. Somoza

  36. Evidence of Alternative Splicing as a Regulatory Mechanism for Kissr2 in Pejerrey Fish

    Article • Frontiers in Endocrinology, October 2018, Frontiers

    Dr Gustavo M. Somoza, Oswaldo Tovar

  37. Can estrogens be considered as key elements of the challenge hypothesis? The case of intrasexual aggression in a cichlid fish

    Article • Physiology & Behavior, October 2018, Elsevier

    Dr Gustavo M. Somoza

  38. Effects of glyphosate and its commercial formulation, Roundup® Ultramax, on liver histology of tadpoles of the neotropical frog, Leptodactylus latrans (amphibia: Anura)

    Article • Chemosphere, July 2018, Elsevier

    Dr Gustavo M. Somoza

  39. Fighting cichlids: Dynamic of intrasexual aggression in dyadic agonistic encounters

    Article • Behavioural Processes, February 2018, Elsevier

    Dr Gustavo M. Somoza

  40. A game of two? Gene expression analysis of brain (cyp19a1b) and gonadal (cyp19a1a) aromatase in females of a Neotropical cichlid fish through the parental care period and removal of the offspring

    Article • General and Comparative Endocrinology, October 2017, Elsevier

    Dr Gustavo M. Somoza

  41. Kisspeptins and their receptors in the brain-pituitary-gonadal axis of Odonthestes bonariensis: Their relationship with gametogenesis along the reproductive cycle

    Article • General and Comparative Endocrinology, October 2017, Elsevier

    Dr Gustavo M. Somoza, Oswaldo Tovar

  42. Conservation of Three-Dimensional Helix-Loop-Helix Structure through the Vertebrate Lineage Reopens the Cold Case of Gonadotropin-Releasing Hormone-Associated Peptide

    Article • Frontiers in Endocrinology, August 2017, Frontiers

    Dr Gustavo M. Somoza

  43. Risks associated with introduction of poeciliids for control of mosquito larvae: first record of the non-native Gambusia holbrooki in Argentina

    Article • Journal of Fish Biology, July 2017, Wiley

    Dr Gustavo M. Somoza

  44. Characterization of Gnrh/Gnih elements in the olfacto-retinal system and ovary during zebrafish ovarian maturation

    Article • Molecular and Cellular Endocrinology, July 2017, Elsevier

    Dr Gustavo M. Somoza

  45. Transcriptomic differentiation underlying marine-to-freshwater transitions in the South American silversides Odontesthes argentinensis and O. bonariensis (Atheriniformes)

    Article • Ecology and Evolution, June 2017, Wiley

    Dr Mariano González-Castro, Juan Diaz de Astarloa, Dr Gustavo M. Somoza

  46. Sex hormone binding globulin: Expression throughout early development and adult pejerrey fish, Odontesthes bonariensis

    Article • General and Comparative Endocrinology, June 2017, Elsevier

    Dr Gustavo M. Somoza

  47. From molecule to behavior: Brain aromatase (cyp19a1b) characterization, expression analysis and its relation with social status and male agonistic behavior in a Neotropical cichlid fish

    Article • Hormones and Behavior, March 2017, Elsevier

    Dr Gustavo M. Somoza

  48. Kisspeptin system in pejerrey fish (Odontesthes bonariensis). Characterization and gene expression pattern during early developmental stages

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, February 2017, Elsevier

    Dr Gustavo M. Somoza, Oswaldo Tovar

  49. Aggregations and reproductive events of the narrownose smooth-hound shark (Mustelus schmitti) in relation to temperature and depth in coastal waters of the south-western Atlantic Ocean (38–42°S)

    Article • Marine & Freshwater Research, January 2017, CSIRO Publishing

    Dr Gustavo M. Somoza

  50. Effect on the growth and development and induction of abnormalities by a glyphosate commercial formulation and its active ingredient during two developmental stages of the South-American Creole frog, Leptodactylus latrans

    Article • Environmental Science and Pollution Research, September 2016, Springer Science + Business Media

    Dr Gustavo M. Somoza

  51. Intersex and liver alterations induced by long‐term sublethal exposure to 17α‐ethinylestradiol in adult male Cnesterodon decemmaculatus (Pisces: Poeciliidae)

    Article • Environmental Toxicology and Chemistry, August 2016, Wiley

    Dr Gustavo M. Somoza

  52. Gonadotrophin‐Inhibitory Hormone in the Cichlid Fish Cichlasoma dimerus: Structure, Brain Distribution and Differential Effects on the Secretion of Gonadotrophins and Growth Hormone

    Article • Journal of Neuroendocrinology, May 2016, Wiley

    Dr Gustavo M. Somoza

  53. Serotonergic outcome, stress and sexual steroid hormones, and growth in a South American cichlid fish fed with an l-tryptophan enriched diet

    Article • General and Comparative Endocrinology, November 2015, Elsevier

    Dr Gustavo M. Somoza

  54. The secretogranin-II derived peptide secretoneurin modulates electric behavior in the weakly pulse type electric fish, Brachyhypopomus gauderio

    Article • General and Comparative Endocrinology, October 2015, Elsevier

    Dr Gustavo M. Somoza

  55. Are Stress-Related Hormones Involved in the Temperature-Dependent Sex Determination of the Broad-Snouted Caiman?

    Article • South American Journal of Herpetology, April 2015, Brazilian Herpetological Society

    Dr Gustavo M. Somoza

  56. Corticosterone Plasma Levels of Embryo and Hatchling Broad-Snouted Caimans (Caiman latirostris) Incubated at Different Temperatures

    Article • South American Journal of Herpetology, April 2015, Brazilian Herpetological Society

    Dr Gustavo M. Somoza

  57. Effects of 5α-dihydrotestosterone on expression of genes related to steroidogenesis and spermatogenesis during the sex determination and differentiation periods of the pejerrey, Odontesthes bonariensis

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, April 2015, Elsevier

    Dr Gustavo M. Somoza

  58. A multidisciplinary study on social status and the relationship between inter-individual variation in hormone levels and agonistic behavior in a Neotropical cichlid fish

    Article • Hormones and Behavior, March 2015, Elsevier

    Dr Gustavo M. Somoza

  59. Screening Concentration of E1, E2 and EE2 in Sewage Effluents and Surface Waters of the “Pampas” Region and the “Río de la Plata” Estuary (Argentina)

    Article • Bulletin of Environmental Contamination and Toxicology, November 2014, Springer Science + Business Media

    Dr Gustavo M. Somoza

  60. 7th International symposium on fish endocrinology special issue

    Article • General and Comparative Endocrinology, October 2013, Elsevier

    Dr Gustavo M. Somoza

  61. Environmental stress-induced testis differentiation: Androgen as a by-product of cortisol inactivation

    Article • General and Comparative Endocrinology, October 2013, Elsevier

    Dr Gustavo M. Somoza

  62. Genotypic sex determination in teleosts: Insights from the testis-determining amhy gene

    Article • General and Comparative Endocrinology, October 2013, Elsevier

    Dr Gustavo M. Somoza

  63. Seasonal variation in genetic population structure of sábalo (Prochilodus lineatus) in the Lower Uruguay River

    Article • Genetica, September 2013, Springer Science + Business Media

    Dr Gustavo M. Somoza

  64. Relationships between radial glial progenitors and 5‐HT neurons in the paraventricular organ of adult zebrafish – potential effects of serotonin on adult neurogenesis

    Article • European Journal of Neuroscience, August 2013, Wiley

    Dr Olivier Kah, Dr Gustavo M. Somoza

  65. Osmotic induction marking with Alizarin Red S on juveniles of pejerrey, Odontesthes bonariensis (Atherinopsidae)

    Article • Neotropical Ichthyology, March 2013, FapUNIFESP (SciELO)

    Dr Gustavo M. Somoza

  66. Lack of Functional GABA<sub>B</sub> Receptors Alters <b><i>Kiss1</i></b>, <b><i>Gnrh1 </i></b>and <b><i>Gad1</i></b> mRNA Expression in the Medial Basal Hypothalamus at...

    Article • Neuroendocrinology, January 2013, Karger Publishers

    Dr Gustavo M. Somoza

  67. The Cortisol and Androgen Pathways Cross Talk in High Temperature-Induced Masculinization: The 11β-Hydroxysteroid Dehydrogenase as a Key Enzyme

    Article • Endocrinology, December 2012, Endocrine Society

    Dr Gustavo M. Somoza

  68. Presence of 11-ketotestosterone in pre-differentiated male gonads of Odontesthes bonariensis

    Article • Fish Physiology and Biochemistry, May 2012, Springer Science + Business Media

    Dr Gustavo M. Somoza

  69. Feminization and altered gonadal gene expression profile by ethinylestradiol exposure to pejerrey, Odontesthes bonariensis, a South American teleost fish

    Article • Environmental Toxicology and Chemistry, March 2012, Oxford University Press (OUP)

    Dr Gustavo M. Somoza

  70. Melanin concentrating hormone (MCH) is involved in the regulation of growth hormone in Cichlasoma dimerus (Cichlidae, Teleostei)

    Article • General and Comparative Endocrinology, March 2012, Elsevier

    Dr Gustavo M. Somoza

  71. A Y-linked anti-Müllerian hormone duplication takes over a critical role in sex determination

    Article • Proceedings of the National Academy of Sciences, February 2012, Proceedings of the National Academy of Sciences

    Dr Gustavo M. Somoza

  72. Extrahypophyseal expression of gonadotropin subunits in pejerrey Odontesthes bonariensis and effects of high water temperatures on their expression

    Article • General and Comparative Endocrinology, January 2012, Elsevier

    Dr Gustavo M. Somoza

  73. Forebrain mapping of secretoneurin‐like immunoreactivity and its colocalization with isotocin in the preoptic nucleus and pituitary gland of goldfish

    Article • The Journal of Comparative Neurology, October 2011, Wiley

    Dr Gustavo M. Somoza

  74. Introduction to the special issue on “Development of native species for aquaculture in Latin America II”

    Article • Aquaculture Research, May 2011, Hindawi Publishing Corporation

    Dr Gustavo M. Somoza

  75. The effect of rearing temperature in larval development of pejerrey, Odontesthes bonariensis: morphological indicators of development

    Article • Neotropical Ichthyology, January 2011, FapUNIFESP (SciELO)

    Dr Victor Enrique Cussac, Dr Gustavo M. Somoza

  76. Analysis of Sexually Dimorphic Expression of Genes at Early Gonadogenesis of Pejerrey <i>Odontesthes bonariensis</i> Using a Heterologous Microarray

    Article • Sexual Development, January 2011, Karger Publishers

    Dr Gustavo M. Somoza

  77. Physiological response of wild guanacos to capture for live shearing

    Article • Wildlife Research, January 2011, CSIRO Publishing

    Dr Gustavo M. Somoza

  78. Muscular hypertrophy and growth-promoting effects in juvenile pejerrey (Odontesthes bonariensis) after oral administration of recombinant homologous growth hormone obtained by a highly efficient refolding process

    Article • Aquaculture Research, December 2010, Hindawi Publishing Corporation

    Dr Gustavo M. Somoza

  79. Implications of climate change for the reproductive capacity and survival of New World silversides (family Atherinopsidae)

    Article • Journal of Fish Biology, October 2010, Wiley

    Dr Gustavo M. Somoza

  80. Fish with thermolabile sex determination (TSD) as models to study brain sex differentiation

    Article • General and Comparative Endocrinology, May 2010, Elsevier

    Dr Gustavo M. Somoza

  81. Molecular characterization of cyp11a1 and cyp11b1 and their gene expression profile in pejerrey (Odontesthes bonariensis) during early gonadal development

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, May 2010, Elsevier

    Dr Gustavo M. Somoza

  82. Molecular cloning and expression analysis of Fshr and Lhr in relation to Fshb and Lhb subunits during the period of temperature‐dependent sex determination in pejerrey Odontesthes bonariensis

    Article • Molecular Reproduction and Development, March 2010, Wiley

    Dr Gustavo M. Somoza

  83. Progenitor Radial Cells and Neurogenesis in Pejerrey Fish Forebrain

    Article • Brain Behavior and Evolution, January 2010, Karger Publishers

    Dr Olivier Kah, Dr Gustavo M. Somoza

  84. Hormonal induction of spawning in 4 species of frogs by coinjection with a gonadotropin-releasing hormone agonist and a dopamine antagonist

    Article • Reproductive Biology and Endocrinology, January 2010, Springer Science + Business Media

    Dr Gustavo M. Somoza

  85. Spawning induction of pejerrey Odontesthes bonariensis in captivity using sustained-release gonadotropin releasing hormone agonist implants

    Article • Aquaculture Research, December 2009, Hindawi Publishing Corporation

    Dr Gustavo M. Somoza

  86. Cortisol-Induced Masculinization: Does Thermal Stress Affect Gonadal Fate in Pejerrey, a Teleost Fish with Temperature-Dependent Sex Determination?

    Article • PLOS One, August 2009, PLOS

    Dr Gustavo M. Somoza

  87. Effects of cypermethrin chronic exposure and water temperature on survival, growth, sex differentiation, and gonadal developmental stages of Odontesthes bonariensis (Teleostei)

    Article • Chemosphere, July 2009, Elsevier

    Dr Gustavo M. Somoza

  88. The Secretogranin II-Derived Peptide Secretoneurin Stimulates Luteinizing Hormone Secretion from Gonadotrophs

    Article • Endocrinology, May 2009, Endocrine Society

    Dr Gustavo M. Somoza

  89. A quantitative HPLC–MS method for the simultaneous determination of testosterone, 11-ketotestosterone and 11-β hydroxyandrostenedione in fish serum

    Article • Journal of Chromatography B, May 2009, Elsevier

    Dr Gustavo M. Somoza

  90. Expression profile and estrogenic regulation of anti‐Müllerian hormone during gonadal development in pejerrey Odontesthes bonariensis, a teleost fish with strong temperature‐dependent sex determination

    Article • Developmental Dynamics, September 2008, Wiley

    Dr Gustavo M. Somoza

  91. Brain aromatase (Cyp19A2) and estrogen receptors, in larvae and adult pejerrey fish Odontesthes bonariensis: Neuroanatomical and functional relations

    Article • General and Comparative Endocrinology, September 2008, Elsevier

    Dr Olivier Kah, Dr Gustavo M. Somoza

  92. A Cheap and Quick Method for DNA-based Sexing of Birds

    Article • Waterbirds, September 2008, Waterbird Society

    Dr Gustavo M. Somoza

  93. Insulin‐like growth factor‐I of pejerrey, Odontesthes bonariensis: cDNA characterization, tissue distribution and expression profiles after growth hormone administration

    Article • Journal of Experimental Zoology Part A Ecological Genetics and Physiology, June 2008, Wiley

    Dr Gustavo M. Somoza

  94. Effects of light and temperature conditions on the expression of GnRH and GtH genes and levels of plasma steroids in Odontesthes bonariensis females

    Article • Fish Physiology and Biochemistry, May 2008, Springer Science + Business Media

    Dr Gustavo M. Somoza

  95. Historical aspects, current status and prospects of pejerrey aquaculture in South America

    Article • Aquaculture Research, May 2008, Hindawi Publishing Corporation

    Dr Gustavo M. Somoza

  96. mRNA expression of GnRH variants and receptors in the brain, pituitary and ovaries of pejerrey (Odontesthes bonariensis) in relation to the reproductive status

    Article • Fish Physiology and Biochemistry, April 2008, Springer Science + Business Media

    Dr Gustavo M. Somoza

  97. Reproductive biology of the angular angel shark Squatina guggenheim (Chondrichthyes: Squatinidae) off Patagonia (Argentina, southwestern Atlantic)

    Article • Ciencias Marinas, March 2008, Instituto de Investigaciones Oceanologicas

    Dr Gustavo M. Somoza

  98. Dimorphic Expression of<i> dmrt1</i> and <i>cyp19a1 </i>(Ovarian Aromatase) during Early Gonadal Development in Pejerrey, <i>Odontesthes bonariensis</i>

    Article • Sexual Development, January 2008, Karger Publishers

    Dr Gustavo M. Somoza

  99. Cloning of FSH‐β, LH‐β and glycoprotein hormone α subunits in pejerrey Odontesthes bonariensis (Valenciennes): expression profile and relationship with GnRH expression and plasma sex steroid levels in male fish

    Article • Journal of Fish Biology, December 2007, Wiley

    Dr Gustavo M. Somoza

  100. Characterization and expression profile of the ovarian cytochrome P‐450 aromatase (cyp19A1) gene during thermolabile sex determination in pejerrey, Odontesthes bonariensis

    Article • Journal of Experimental Zoology Part A Ecological Genetics and Physiology, August 2007, Wiley

    Dr Gustavo M. Somoza

  101. GnRH and GnRH receptors in metazoa: A historical, comparative, and evolutive perspective

    Article • General and Comparative Endocrinology, August 2007, Elsevier

    Dr Gustavo M. Somoza

  102. Characterization of the cDNAs Encoding Three GnRH Forms in the Pejerrey Fish Odontesthes bonariensis (Atheriniformes) and the Evolution of GnRH Precursors

    Article • Journal of Molecular Evolution, June 2007, Springer Science + Business Media

    Dr Gustavo M. Somoza

  103. Dmrt1 expression analysis during spermatogenesis in pejerrey, Odontesthes bonariensis

    Article • Fish Physiology and Biochemistry, September 2006, Springer Science + Business Media

    Dr Gustavo M. Somoza

  104. Experimental data supporting the expression of the highly conserved GnRH-II in the brain and pituitary gland of rats

    Article • Regulatory Peptides, September 2006, Elsevier

    Dr Gustavo M. Somoza

  105. Evolution of GnRH ligands and receptors in gnathostomata

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, July 2006, Elsevier

    Dr Gustavo M. Somoza

  106. Sex determination and sexual size-dimorphism in Southern Giant-Petrels (Macronectes giganteus) from Patagonia, Argentina

    Article • Emu - Austral Ornithology, June 2006, Taylor & Francis

    Dr Gustavo M. Somoza

  107. Molecular cloning, expression and immunological characterization of pejerrey (Odontesthes bonariensis) growth hormone

    Article • Comparative Biochemistry and Physiology Part C Toxicology & Pharmacology, March 2006, Elsevier

    Dr Gustavo M. Somoza

  108. Increase in milt production by hormonal treatment in the pejerrey fish Odontesthes bonariensis (Valenciennes 1835)

    Article • Aquaculture Research, November 2005, Hindawi Publishing Corporation

    Dr Gustavo M. Somoza

  109. Differential gonadotropin releasing hormone (GnRH) expression, autoregulation and effects in two models of rat luteinized ovarian cells

    Article • Life Sciences, September 2005, Elsevier

    Dr Gustavo M. Somoza

  110. Brain aromatase from pejerrey fish (Odontesthes bonariensis): cDNA cloning, tissue expression, and immunohistochemical localization

    Article • General and Comparative Endocrinology, August 2005, Elsevier

    Dr Gustavo M. Somoza

  111. Five gonadotrophin-releasing hormone receptors in a teleost fish: isolation, tissue distribution and phylogenetic relationships

    Article • Journal of Molecular Endocrinology, June 2005, Bioscientifica

    Dr Gustavo M. Somoza

  112. Sex determination of adult Rock Shags by molecular sexing and morphometric parameters

    Article • Journal of Field Ornithology, October 2003, Association of Field Ornithologists

    Dr Gustavo M. Somoza

  113. Gonadotropin-releasing hormone neuronal development during the sensitive period of temperature sex determination in the pejerrey fish, Odontesthes bonariensis

    Article • General and Comparative Endocrinology, July 2003, Elsevier

    Dr Gustavo M. Somoza

  114. Characterization of three GnRH cDNA sequences in the pejerrey fish Odontesthes bonariensis

    Article • Fish Physiology and Biochemistry, January 2003, Springer Science + Business Media

    Dr Gustavo M. Somoza

  115. In vitro steroid metabolism during final oocyte maturation in white croaker Micropogonias furnieri (Sciaenidae)

    Article • Fish Physiology and Biochemistry, January 2003, Springer Science + Business Media

    Dr Gustavo M. Somoza

  116. Molecular cloning of SOX9, DMRT1 and SF1 cDNA partial sequences in the pejerrey fish Odontesthes bonariensis (Atheriniformes)

    Article • Fish Physiology and Biochemistry, January 2003, Springer Science + Business Media

    Dr Gustavo M. Somoza

  117. Molecular cloning of cDNAs encoding FSH-β and LH-β subunits in the pejerrey fish, Odontesthes bonariensis

    Article • Fish Physiology and Biochemistry, January 2003, Springer Science + Business Media

    Dr Gustavo M. Somoza

  118. Neuroanatomical distribution and partial sequence of cDNA encoding brain cytochrome P450 aromatase (P450aromB) in pejerrey Odontesthes bonariensis

    Article • Fish Physiology and Biochemistry, January 2003, Springer Science + Business Media

    Dr Gustavo M. Somoza

  119. Expression of Pejerrey Gonadotropin-Releasing Hormone in Three Orders of Fish1

    Article • Biology of Reproduction, December 2002, Oxford University Press (OUP)

    Dr Gustavo M. Somoza

  120. Ontogenetic development and neuroanatomical localization of growth hormone‐releasing hormone (GHRH) in the brain and pituitary gland of pejerrey fish Odontesthes bonariensis

    Article • International Journal of Developmental Neuroscience, October 2002, Wiley

    Dr Gustavo M. Somoza

  121. Relation between the reproductive status and somatolactin cell activity in the pituitary of pejerrey, Odontesthes bonariensis (atheriniformes)

    Article • The Journal of Experimental Zoology, August 2002, Wiley

    Dr Gustavo M. Somoza

  122. Effects of mGnRH on testicular steroidogenesis in the toad Bufo arenarum

    Article • General and Comparative Endocrinology, June 2002, Elsevier

    Dr Gustavo M. Somoza

  123. Article • Cellular and Molecular Neurobiology, January 2002, Springer Science + Business Media

    Dr Gustavo M. Somoza

  124. Guinea Pig Gonadotropin-Releasing Hormone: Expression Pattern, Characterization and Biological Activity in Rodents

    Article • Neuroendocrinology, January 2002, Karger Publishers

    Dr Gustavo M. Somoza

  125. Immunocytochemical Identification of GtH1 and GtH2 Cells during the Temperature-Sensitive Period for Sex Determination in Pejerrey, Odontesthes bonariensis

    Article • General and Comparative Endocrinology, October 2001, Elsevier

    Dr Gustavo M. Somoza

  126. Primary Structure of a Novel Gonadotropin-Releasing Hormone in the Brain of a Teleost, Pejerrey1

    Article • Endocrinology, April 2001, Endocrine Society

    Dr Gustavo M. Somoza

  127. Article • Fish Physiology and Biochemistry, January 2001, Springer Science + Business Media

    Dr Gustavo M. Somoza

  128. Structure and Biological Activity of Gonadotropin-Releasing Hormone Isoforms Isolated from Rat and Hamster Brains

    Article • Neuroendocrinology, January 2001, Karger Publishers

    Dr Gustavo M. Somoza

  129. Gonadotropin-Releasing Hormone (GnRH) Variants in a Lizard Brain: Is Mammalian GnRH Being Expressed?

    Article • General and Comparative Endocrinology, August 2000, Elsevier

    Dr Gustavo M. Somoza

  130. Article • Fish Physiology and Biochemistry, January 2000, Springer Science + Business Media

    Dr Gustavo M. Somoza

  131. Colocalization of GnRH Binding Sites with Gonadotropin-, Somatotropin-, Somatolactin-, and Prolactin-Expressing Pituitary Cells of the Pejerrey, Odontesthes bonariensis, in Vitro

    Article • General and Comparative Endocrinology, October 1999, Elsevier

    Dr Gustavo M. Somoza

  132. Characterization of brain gonadotropin-releasing hormone (GnRH) molecular variants in brain extracts from different perciform fishes from Antarctic waters

    Article • Polar Biology, January 1999, Springer Science + Business Media

    Dr Gustavo M. Somoza

  133. Article • Fish Physiology and Biochemistry, January 1999, Springer Science + Business Media

    Dr Gustavo M. Somoza

  134. Article • Cellular and Molecular Neurobiology, January 1999, Springer Science + Business Media

    Dr Gustavo M. Somoza

  135. Identification and neuroanatomical distribution of immunoreactivity for mammalian gonadotropin-releasing hormone (mGnRH) in the brain and neural hypophyseal lobe of the toad Bufo arenarum

    Article • Cell and Tissue Research, August 1998, Springer Science + Business Media

    Dr Gustavo M. Somoza

  136. Chromatographic and immunological identification of GnRH (Gonadotropin-releasing hormone) variants. Occurrence of mammalian and a salmon-like GnRH in the forebrain of an eutherian mammal: Hydrochaeris hydrochaeris (Mammalia, Rodentia).

    Article • Regulatory Peptides, February 1998, Elsevier

    Dr Gustavo M. Somoza

  137. Immunocytochemical study of pituitary FSHß and LHß cells during the ontogeny of the toad Bufo arenarum

    Article • Amphibia-Reptilia, January 1998, Brill

    Dr Gustavo M. Somoza

  138. GnRH Molecular Variants in the Brain and Pituitary Gland of Pejerrey, Odontesthes bonariensis (Atheriniformes). Immunological and Chromatographic Evidence for the Presence of a Novel Molecular Variant

    Article • Comparative Biochemistry and Physiology Part C Pharmacology Toxicology and Endocrinology, November 1997, Elsevier

    Dr Gustavo M. Somoza

  139. Article • Fish Physiology and Biochemistry, January 1997, Springer Science + Business Media

    Dr Gustavo M. Somoza

  140. Structure and Cell Type Distribution in the Pituitary Gland of Pejerrey <i>Odontesthes bonariensis</i>

    Article • Fisheries Science, January 1997, Japanese Society of Fisheries Science

    Dr Gustavo M. Somoza

  141. Identification of immunoreactive mammalian gonadotropin‐releasing hormone in the brain of metamorphic larvae of Bufo arenarum hensel (Amphibia: Anura)

    Article • International Journal of Developmental Neuroscience, August 1996, Wiley

    Dr Gustavo M. Somoza

  142. Rapid separation of gonadotropin-releasing hormone molecular forms by isocratic high-performance liquid chromatography on an ion-exchange column

    Article • Journal of Chromatography B Biomedical Sciences and Applications, July 1996, Elsevier

    Dr Gustavo M. Somoza

  143. Immunoreactive GnRH Suggesting a Third Form of GnRH in Addition to cIIGnRH and sGnRH in the Brain and Pituitary Gland of Prochilodus lineatus (Characiformes)

    Article • General and Comparative Endocrinology, April 1994, Elsevier

    Dr Gustavo M. Somoza

  144. Interactions of Estradiol with Gonadotropin-Releasing Hormone and Thyrotropin-Releasing Hormone in the Control of Growth Hormone Secretion in the Goldfish

    Article • Neuroendocrinology, January 1992, Karger Publishers

    Dr Gustavo M. Somoza

  145. Further Evidence for the Inhibitory Action of Baclofen on a Prolactin-Releasing Factor

    Article • Experimental Biology and Medicine, July 1991, Frontiers

    Dr Gustavo M. Somoza

  146. Effects of serotonin on gonadotropin and growth hormone release from in vitro perifused goldfish pituitary fragments

    Article • General and Comparative Endocrinology, April 1991, Elsevier

    Dr Gustavo M. Somoza

  147. Use of a pituitary cell dispersion method and primary culture system for the studies of gonadotropin-releasing hormone action in the goldfish, Carassius auratus I. Initial morphological, static, and cell column perifusion studies

    Article • General and Comparative Endocrinology, February 1990, Elsevier

    Dr Gustavo M. Somoza

  148. Serotonin stimulates gonadotropin release in female and male goldfish, Carassius auratus L

    Article • General and Comparative Endocrinology, December 1988, Elsevier

    Dr Gustavo M. Somoza

  149. Further evidence for endogenous hypothalamic serotonergic neurons involved in the cimetidine-induced prolactin release in the rat

    Article • Brain Research, June 1987, Elsevier

    Dr Gustavo M. Somoza

  150. Glucocorticoid Negative Feedback and Glucocorticoid Receptors After Hippocampectomy in Rats

    Article • Hormone and Metabolic Research, March 1987, Thieme Publishing Group

    Dr Gustavo M. Somoza

  151.  -(-4 Chlorophenyl) GABA (Baclofen) Inhibits Prolactin and Thyrotropin Release by Acting on the Rat Brain

    Article • Experimental Biology and Medicine, December 1986, Frontiers

    Dr Gustavo M. Somoza

  152. Baclofen, a GABA derivative, inhibits stress-induced prolactin release in the rat

    Article • European Journal of Pharmacology, January 1986, Elsevier

    Dr Gustavo M. Somoza

  153. Effect of Median Eminence Lesions and Hormonal Replacement on the Prolactin Receptors in the Adrenal Gland and Langerhans Islets from Ovariectomized Adult Rats

    Article • Journal of Receptor Research, January 1985, Taylor & Francis

    Dr Gustavo M. Somoza

  154. Inhibition by naloxone of the serotonin-induced prolactin release in free-moving rats

    Article • Acta Neurovegetativa, March 1983, Springer Science + Business Media

    Dr Gustavo M. Somoza