What is it about?
We quantified hippocampal neurogenesis and volume in adult migrating and wintering semipalmated sandpipers using stereological counts of doublecortin (DCX) immunolabeled immature neurons. We found that birds captured in the coastal region of Bragança, Brazil during the wintering period had more DCX positive neurons and larger volume in the hippocampus than individuals captured in the Bay of Fundy, Canada during fall migration.
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Why is it important?
High levels of adult hippocampal neurogenesis and a larger hippocampal formation found in wintering birds may be late occurring effects of long distance migratory flight or the result of conditions the birds experienced while wintering.
Perspectives
Stress associated with non-stop transatlantic flight of C. pusilla, may reduce hippocampal neurogenesis which will be recovered during the wintering period
Dr Cristovam Wanderley Picanço Diniz
Universidade Federal do Para
Read the Original
This page is a summary of: Hippocampal neurogenesis and volume in migrating and wintering semipalmated sandpipers (Calidris pusilla), PLoS ONE, June 2017, PLOS,
DOI: 10.1371/journal.pone.0179134.
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