Find and fuse: Unsolved mysteries in sperm-egg recognition.
Find and fuse: Unsolved mysteries in sperm-egg recognition.
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DOI:
10.1371/journal.pbio.3000953
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发表时间:
2020-11
期刊:
影响因子:
9.8
通讯作者:
Wright GJ
中科院分区:
文献类型:
--
作者:
Bianchi E;Wright GJ
Sexual reproduction is such a successful way of creating progeny with subtle genetic variations that the vast majority of eukaryotic species use it. In mammals, it involves the formation of highly specialised cells: the sperm in males and the egg in females, each carrying the genetic inheritance of an individual. The interaction of sperm and egg culminates with the fusion of their cell membranes, triggering the molecular events that result in the formation of a new genetically distinct organism. Although we have a good cellular description of fertilisation in mammals, many of the molecules involved remain unknown, and especially the identity and role of cell surface proteins that are responsible for sperm–egg recognition, binding, and fusion. Here, we will highlight and discuss these gaps in our knowledge and how the role of some recently discovered sperm cell surface and secreted proteins contribute to our understanding of this fundamental process. Fertilisation is the challenging process whereby cells from two individuals fuse to generate a new, genetically distinct organism of the same species. This Unsolved Mystery article explores the molecular mechanisms underlying sperm–egg interaction and fusion, a fascinating topic that is under increasing investigation.
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