DAZ Family Proteins, Key Players for Germ Cell Development

International Journal of Biological Sciences
Xia-Fei FuWei Shen

Abstract

DAZ family proteins are found almost exclusively in germ cells in distant animal species. Deletion or mutations of their encoding genes usually severely impair either oogenesis or spermatogenesis or both. The family includes Boule (or Boll), Dazl (or Dazla) and DAZ genes. Boule and Dazl are situated on autosomes while DAZ, exclusive of higher primates, is located on the Y chromosome. Deletion of DAZ gene is the most common causes of infertility in humans. These genes, encoding for RNA binding proteins, contain a highly conserved RNA recognition motif and at least one DAZ repeat encoding for a 24 amino acids sequence able to bind other mRNA binding proteins. Basically, Daz family proteins function as adaptors for target mRNA transport and activators of their translation. In some invertebrate species, BOULE protein play a pivotal role in germline specification and a conserved regulatory role in meiosis. Depending on the species, DAZL is expressed in primordial germ cells (PGCs) and/or pre-meiotic and meiotic germ cells of both sexes. Daz is found in fetal gonocytes, spermatogonia and spermatocytes of adult testes. Here we discuss DAZ family genes in a phylogenic perspective, focusing on the common and distinct features of these g...Continue Reading

Citations

Feb 20, 2018·Reproductive Biology and Endocrinology : RB&E·Stacy Colaco, Deepak Modi
Sep 19, 2019·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Xiaoli LiuHongyan Xu
Sep 19, 2019·Nature Communications·Kathrin TheilNikolaus Rajewsky
Sep 16, 2017·Acta Biochimica Et Biophysica Sinica·Xiaowen GongYi Lin
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Nov 4, 2020·Reproductive Sciences·Zahra BashiriMorteza Koruji
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Sep 14, 2021·The FEBS Journal·Katherine M Bonefas, Shigeki Iwase

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Methods Mentioned

BETA
co-immunoprecipitation
two-hybrid

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