Review
doi: 10.1016/0305-0491(86)90285-3.
Nuclear proteins in spermatogenesis
- PMID: 3514107
- DOI: 10.1016/0305-0491(86)90285-3
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Review
Nuclear proteins in spermatogenesis
Comp Biochem Physiol B.
1986.
Abstract
Mammalian somatic type histone variants are replaced or supplemented in early primary spermatocytes and possibly spermatogonia by testis specific and testis enriched histone variants. The testis complement of histones is replaced entirely by transition basic proteins in mid-spermatids. This transition is accompanied by a dramatic reduction of thermal stability of mid-spermatid chromatin which may be due in part to hyperacetylation of histone H4. The transition basic proteins are replaced by protamines which are arginine-rich and contain cysteine.
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