Fertilization involves the fusion of two gametes by means of yet unknown membrane binding and fusion events. Over the last years, many sperm proteins have been uncovered to play essential roles in sperm-egg fusion in mammals, but their precise role in fertilization remains unknown, being unclear how these proteins interact with each other or with other yet unknown sperm proteins. The aim of this study has been to identify possible sperm proteins interacting with TMEM95, a protein essential for fertilization located in the sperm membrane. A list of 41 sperm proteins that were pulled down with TMEM95 and identified by mass spectrometry did not include other sperm proteins known to play a role in fertilization, suggesting an independent role of TMEM95 in fertilization. Between these lists, OLFR601 is allocated to the acrosomal region and may mediate affinity for an odorant involved in fertilization. However, Olfr601 disruption did not impair the sperm fertilization ability, suggesting that its function may be redundant with that of other sperm proteins.
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其它主题
Olfactory receptor; Tmem95; Odorant
语言
英语
许可
https://creativecommons.org/licenses/by/4.0/, openAccess
ISSN
2296-634X
类型
Journal Article; Journal Part
2024-11-28
2026-02-03
MODS