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Somdatta, Saha and PradeepKumar, G (2019) TRPA1 is selected as a semi-conserved channel during vertebrate evolution due to its involvement in spermatogenesis. Biochemical and biophysical research communications, 512 (2). pp. 295-302. ISSN 1090-2104

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TRPA1 is a non-selective cation channel originated in invertebrates. The genomic locus containing TRPA1 gene remains highly conserved and retained in all vertebrates. TRPA1 gene is evolutionarily selected, yet maintained as a highly diverged protein. Throughout the vertebrate evolution, the extracellular loops of TRPA1 become most diverged indicating that TRPA1 may be involved in detecting large spectrum and uncertain stimulus which is critical for adaptive benefit. We tested the expression of TRPA1 in mature sperm from different vertebrates. This is the first report demonstrating that TRPA1 is expressed endogenously in mature spermatozoa of multiple species representing entire vertebrate phyla. However, its specific localization within sperm remains species-specific. Accordingly, we report that in rodents TRPA1 expression correlates with different stages of spermatogenesis. We propose that presence of endogenous TRPA1 in testes and in mature sperm provides reproductive benefit.

Item Type: Article
Uncontrolled Keywords: Spermatogenesis Molecular selection Vertebrate evolution Adaptive benefit TRP Variable sequence
Subjects: Molecular Reproduction
Depositing User: Rgcb Library
Date Deposited: 16 Aug 2019 08:56
Last Modified: 16 Aug 2019 08:56
URI: http://rgcb.sciencecentral.in/id/eprint/845

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