منابع مشابه
Redistribution of mouse sperm surface galactosyltransferase after the acrosome reaction
Gamete recognition in the mouse is mediated by galactosyltransferase (GalTase) on the sperm surface, which binds to its appropriate glycoside substrate in the egg zona pellucida (Lopez, L. C., E. M. Bayna, D. Litoff, N. L. Shaper, J. H. Shaper, and B. D. Shur, 1985, J. Cell Biol., 101:1501-1510). GalTase has been localized by indirect immunofluorescence to the dorsal surface of the anterior spe...
متن کاملTransgenic mouse sperm that have green acrosome and red mitochondria allow visualization of sperm and their acrosome reaction in vivo.
In the present paper, we introduce a transgenic mouse line whose sperm express green fluorescent protein (GFP) in their acrosome and red fluorescent protein (RFP) in their mitochondria [B6D2F1- Tg(CAG/su9-DsRed2, Acr3-EGFP)RBGS002Osb]. The dual fluorescent sperm showed normal fertilizing ability in both in vivo and in vitro fertilization and the sperm could be observed through uterine and ovidu...
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October 2005 | Volume 3 | Issue 10 | e347 | e353 Viewed under a microscope, the coronavirus appears almost beautiful, thanks to the halo-like crown formed by its surface proteins. (“Corona” means “crown” in Latin.) Aesthetics aside, this genus of viruses is responsible for a wide range of animal and human diseases, from the common cold to the deadly severe acute respiratory syndrome, familiarly...
متن کاملFunctional amyloids in bacteria.
The term amyloidosis is used to refer to a family of pathologies altering the homeostasis of human organs. Despite having a name that alludes to starch content, the amyloid accumulations are made up of proteins that polymerize as long and rigid fibers. Amyloid proteins vary widely with respect to their amino acid sequences but they share similarities in their quaternary structure; the amyloid f...
متن کاملFunctional Amyloids in Reproduction
Amyloids are traditionally considered pathological protein aggregates that play causative roles in neurodegenerative disease, diabetes and prionopathies. However, increasing evidence indicates that in many biological systems nonpathological amyloids are formed for functional purposes. In this review, we will specifically describe amyloids that carry out biological roles in sexual reproduction i...
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ژورنال
عنوان ژورنال: Molecular and Cellular Biology
سال: 2014
ISSN: 0270-7306,1098-5549
DOI: 10.1128/mcb.00073-14