Steroids and genes related to steroid biosynthesis in the female giant freshwater prawn, Macrobrachium rosenbergii

Steroids
Tipsuda ThongbuakaewPrapee Sretarugsa

Abstract

The giant freshwater prawn, Macrobrachium rosenbergii, is important to many Asian countries due to its high economic value as an aquaculture product. With demand increasing, there is requirement for a better understanding of the biosynthetic components that regulate its growth and reproduction, including steroids, in order to help increase production. Vertebrate-type steroids and their receptors were identified in crustaceans and implicated in reproduction. In this study, we presented the sex steroids estradiol and progesterone by LC-MS/MS in female M. rosenbergii, and reveal steroidogenic-related genes by in silico analysis of de novo assembled transcriptomes. Comparative analysis with other species was performed to confirm their putative role, as well as tissue-specific and quantitative gene expression. We reveal 29 transcripts that encode for steroidogenic-related proteins, including steroidogenic enzymes, a nuclear steroid hormone receptors, and a steroidogenic factor. Moreover, we identified for the first time the presence of steroidogenic factor 1, StAR-related lipid transfer protein, estradiol receptor- and progesterone-like protein in M. rosenbergii. Those targeted for gene expression analysis (3 beta-hydroxysteroid deh...Continue Reading

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Citations

Aug 11, 2016·BMC Genomics·Saowaros Suwansa-ArdPrasert Sobhon
Apr 1, 2020·International Journal of Molecular Sciences·Dongdong LinHaihui Ye
Apr 28, 2020·Marine Biotechnology·Kianann TanWeimin Wang
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