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- Title
Discovery of piRNAs Pathway Associated with Early-Stage Spermatogenesis in Chicken.
- Authors
Xu, Lu; Qiu, Lingling; Chang, Guobin; Guo, Qixin; Liu, Xiangping; Bi, Yulin; Zhang, Yu; Wang, Hongzhi; Li, Zhiteng; Guo, Xiaoming; Wan, Fang; Zhang, Yang; Xu, Qi; Chen, Guohong
- Abstract
Piwi-interacting RNAs (piRNAs) play a key role in spermatogenesis. Here, we describe the piRNAs profiling of primordial germ cells (PGCs), spermatogonial stem cells (SSCs), and the spermatogonium (Sp) during early-stage spermatogenesis in chicken. We obtained 31,361,989 reads from PGCs, 31,757,666 reads from SSCs, and 46,448,327 reads from Sp cells. The length distribution of piRNAs in the three samples showed peaks at 33 nt. The resulting genes were subsequently annotated against the Gene Ontology (GO) database. Five genes (RPL7A, HSPA8, Pum1, CPXM2, and PRKCA) were found to be involved in cellular processes. Interactive pathway analysis (IPA) further revealed three important pathways in early-stage spermatogenesis including the FGF, Wnt, and EGF receptor signaling pathways. The gene Pum1 was found to promote germline stem cell proliferation, but it also plays a role in spermatogenesis. In conclusion, we revealed characteristics of piRNAs during early spermatogonial development in chicken and provided the basis for future research.
- Subjects
SPERMATOGENESIS; GERM cells; CHICKENS; CELL proliferation; WNT proteins; REPRODUCTION
- Publication
PLoS ONE, 2016, Vol 11, Issue 4, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0151780