RNA binding proteins in spermatogenesis

An in depth focus on the Musashi family

Jessie M. Sutherland, Nicole A. Siddall, Gary R. Hime, Eileen A. McLaughlin

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Controlled gene regulation during gamete development is vital for maintaining reproductive potential. During the complex process of mammalian spermatogenesis, male germ cells experience extended periods of the inactive transcription despite heavy translational requirements for continued growth and differentiation. Hence, spermatogenesis is highly reliant on mechanisms of posttranscriptional regulation of gene expression, facilitated by RNA binding proteins (RBPs), which remain abundantly expressed throughout this process. One such group of proteins is the Musashi family, previously identified as critical regulators of testis germ cell development and meiosis in Drosophila, and also shown to be vital to sperm development and reproductive potential in the mouse. This review describes the role and function of RBPs within the scope of male germ cell development, focusing on our recent knowledge of the Musashi proteins in spermatogenesis. The functional mechanisms utilized by RBPs within the cell are outlined in depth, and the significance of sub-cellular localization and stage-specific expression in relation to the mode and impact of posttranscriptional regulation is also highlighted. We emphasize the historical role of the Musashi family of RBPs in stem cell function and cell fate determination, as originally characterized in Drosophila and Xenopus, and conclude with our current understanding of the differential roles and functions of the mammalian Musashi proteins, Musashi-1 and Musashi-2, with a primary focus on our findings in spermatogenesis. This review highlights both the essential contribution of RBPs to posttranscriptional regulation and the importance of the Musashi family as master regulators of male gamete development.

Original languageEnglish
Pages (from-to)529-536
Number of pages8
JournalAsian Journal of Andrology
Volume17
Issue number4
DOIs
Publication statusPublished - Jul 2015
Externally publishedYes

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RNA-Binding Proteins
Spermatogenesis
Germ Cells
Drosophila
Proteins
Meiosis
Gene Expression Regulation
Xenopus
Spermatozoa
Testis
Stem Cells
Growth
Genes

Cite this

Sutherland, Jessie M. ; Siddall, Nicole A. ; Hime, Gary R. ; McLaughlin, Eileen A. / RNA binding proteins in spermatogenesis : An in depth focus on the Musashi family. In: Asian Journal of Andrology. 2015 ; Vol. 17, No. 4. pp. 529-536.
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RNA binding proteins in spermatogenesis : An in depth focus on the Musashi family. / Sutherland, Jessie M.; Siddall, Nicole A.; Hime, Gary R.; McLaughlin, Eileen A.

In: Asian Journal of Andrology, Vol. 17, No. 4, 07.2015, p. 529-536.

Research output: Contribution to journalArticle

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AU - Siddall, Nicole A.

AU - Hime, Gary R.

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