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dc.contributor.authorWorawit Suphamungmeeen_US
dc.contributor.authorSomjai Apisawetakanen_US
dc.contributor.authorWattana Weerachatyanukulen_US
dc.contributor.authorChaitip Wanichanonen_US
dc.contributor.authorPrapee Sretarugsaen_US
dc.contributor.authorTanes Poomtongen_US
dc.contributor.authorPrasert Sobhonen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherCoastal Aquaculture Research and Development Centeren_US
dc.identifier.citationMolecular Reproduction and Development. Vol.70, No.2 (2005), 211-221en_US
dc.description.abstractThe basic nuclear proteins (BNPs) in spermatozoa of a tropical abalone, Haliotis asinina, were composed of a majority of protamine-like (PL) protein and a small amount of histones H1 and H4. Abalone H1 and PL proteins exhibited strong immunological cross reactivities among themselves as well as with chick H5 and calf thymus H1. Thus, all these proteins may belong to the same family. Immunolocalization by indirect immunofluorescence and immunoelectron microscopy indicated that H1 and H4 were present in all steps of the male germ cells, however, with decreasing amount in late stage cells, particularly spermatids and spermatozoa. On the other hand, PL was present in middle step cells (secondary spermatocytes) with increasing amount in spermatids and spermatozoa when the chromatin became tightly packed. Thus, PL may be involved in the condensation of chromatin in the spermatozoa of this species. © 2005 Wiley-Liss, Inc.en_US
dc.rightsMahidol Universityen_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.titleBasic nuclear protein pattern and chromatin condensation in the male germ cells of a tropical abalone, Haliotis asininaen_US
Appears in Collections:Scopus 2001-2005

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