Molecular Breeding to Overcome Biotic Stresses in Soybean: Update

What is it about?

Soybean (Glycine max (L.) Merr.) is an important leguminous crop and biotic stresses are a global concern for soybean growers. In recent decades, significant development has been carried out towards identification of the diseases caused by pathogens, sources of resistance and determination of loci conferring resistance to different diseases on linkage maps of soybean. Hostplant resistance is generally accepted as the best solution because of its role in the management of environmental and economic conditions of farmers owing to low input in terms of chemicals. Themain objectives of soybean crop improvement are based on the identification of sources of resistance or tolerance against various biotic as well as abiotic stresses and utilization of these sources for further hybridization and transgenic processes for development of new cultivars for stress management. The focus of the present review is to summarize genetic aspects of various diseases caused by pathogens in soybean and molecular breeding research work conducted to date.

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Why is it important?

Advances in plant breeding techniques opened multiple windows for the modificationof the targeted genome site of desired genotypes. In this way, zinc-finger nucleases,transcription activator-like effector nucleases and clustered regularly interspaced shortpalindromic repeats (CRISPR/Cas9) have emerged with their strong efficiency in genomemodification of soybean crops. However, authentic information on development of bioticstress-resistant soybean varieties is not available. Apart from the currently availablemolecular breeding technique, the advanced genome editing platforms may be utilizedto combat biotic stresses in soybean crops asthese new techniques are efficient in theimprovement of soybean through functional characterization of targeted genes and accurategenome editing for desired trait improvement. (7) (PDF) Molecular Breeding to Overcome Biotic Stresses in Soybean: Update. Available from: https://www.researchgate.net/publication/362431814_Molecular_Breeding_to_Overcome_Biotic_Stresses_in_Soybean_Update [accessed Oct 09 2022].