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- Title
Ca<sup>2+</sup>/Calmodulin-Dependent Protein Kinase IV Promotes Interplay of Proteins in Chromatoid Body of Male Germ Cells.
- Authors
Wang, Guishuan; Zhang, Huijuan; Wang, Lu; Wang, Yuan; Huang, Hefeng; Sun, Fei
- Abstract
The chromatoid body is a granule-like structure of male germ cells, containing many proteins and RNAs, and is important for spermatogenesis. However, the molecular mechanisms for the formation and function of the chromatoid body are still elusive. Here, we report that Ca2+/calmodulin-dependent protein kinase IV (CaMKIV) accumulates in the chromatoid body by immunofluorescence staining, indicating that CaMKIV is a new component of the chromatoid body. Furthermore, we find that CaMKIV can interplay with the other components of the chromatoid body by immunoprecipitation: mouse VASA homologue (MVH), mouse homologue of PIWI, PIWIL1 (MIWI), and kinesin KIF17b. Importantly, interplay between KIF17b and MVH or MIWI can be potentially regulated by CaMKIV. These results imply that CaMKIV plays a role in maintenance the structure of chromatoid body by regulating the associations of proteins in it.
- Subjects
GERM cells; SPERMATOGENESIS; PROTEIN kinases; IMMUNOFLUORESCENCE; IMMUNOPRECIPITATION
- Publication
Scientific Reports, 2015, p12126
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep12126