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It doesn't take a lot of time and it's free. Author Individual who created a work such as a book, digital image, article, blog, comic, podcast, play, poem, script, etc.

Electronically Published The month, day, and year a content piece was published electronically as opposed to in print. A checkpoint to control sperm chromatin quality [4] "Protamines are nuclear proteins which are specifically expressed in haploid male germ cells.

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These data demonstrate that soma-germline RNA transfer occurs in male mammals, most likely via vesicular transport from the epididymis to maturing sperm. Small RNA delivery to sperm could be recapitulated in vitro by incubating testicular spermatozoa with caput epididymosomes. Here we report that mouse mitotic spermatogonia cultured under SM with a rotary cell culture system RCCS enter into meiosis in the absence of any added exogenous factor or contact with somatic cells.

The packaging of the nuclear pores into the redundant nuclear envelope suggests that they play a role in late stages of sperm maturation or in fertilization, as most other unnecessary organelles of sperm are discarded during spermiogenesis or during shedding of the cytoplasmic droplet.

Depending on the webpage, it may or may not be shown. Our results showed that in wild-type WT animals, FGF-2 is expressed in germ cells of the seminiferous epithelium, in epithelial cells of the epididymis, and in the flagellum and acrosomal region of epididymal sperm Try a quick search now: