Národní úložiště šedé literatury Nalezeno 4 záznamů.  Hledání trvalo 0.01 vteřin. 
Dynamic and role of cytosekeletal proteins in mammalian sperm cells
Paleček, J. ; Dvořáková, K. ; Pěknicová, Jana ; Kubátová, Alena ; Dráber, Pavel
The cytoskeleton of sperm head consists of resistant structural proteins of the nucleus and of perinuclear theca, which are largely rosponsible for the shaping of the nucleus. three mahjor cyteskeletal proteins, actin, tzubnulin and spectrin, are present in the head of mammalian spermatohzoa. Maoreober, the mictotubular cytoskeleton also contains other dynamic proteins, which have a morphological function within the cell and which are responsible for cell signalling processes.
Study of sperm proteins in modelspecies of chondrostean and teleostean fish
Koubek, Pavel ; Elzeinová, Fatima ; Linhart, O. ; Pěknicová, Jana
Specific in the study of fish reproduction is outer fertilization. spermatozoa are usually expelled into host medium of the outer encironment. The cells have to cope with an extremely different encironment and their protection against the outer environment is much weaker than that of oocytes. The way of fertilization also differs from mammalian fertilization.

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