Source:http://linkedlifedata.com/resource/pubmed/id/18952059
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
2008-11-25
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pubmed:abstractText |
IZUMO is the mouse sperm protein proven to be essential for fusion with eggs. It contains one immunoglobulin-like domain with a conserved glycosylation site within. In the present paper, we produced transgenic mouse lines expressing unglycosylated IZUMO (N204Q-IZUMO) in Izumo1 -/- background. The expression of N204Q-IZUMO rescued the infertile phenotype of IZUMO disrupted mice, indicating glycosylation is not essential for fusion-facilitating activity of IZUMO. The N204Q-IZUMO was produced in testis in comparable amounts to wild-type IZUMO, but the amount of N204Q-IZUMO on sperm was significantly decreased by the time sperm reached the cauda epididymis. These data suggest that glycosylation is not essential for the function of IZUMO, but has a role in protecting it from fragmentation in cauda epididymis.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
1090-2104
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
19
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pubmed:volume |
377
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
910-4
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pubmed:meshHeading |
pubmed-meshheading:18952059-Amino Acid Sequence,
pubmed-meshheading:18952059-Animals,
pubmed-meshheading:18952059-Cell Fusion,
pubmed-meshheading:18952059-Dogs,
pubmed-meshheading:18952059-Epididymis,
pubmed-meshheading:18952059-Female,
pubmed-meshheading:18952059-Fertility,
pubmed-meshheading:18952059-Glycosylation,
pubmed-meshheading:18952059-Humans,
pubmed-meshheading:18952059-Immunoglobulins,
pubmed-meshheading:18952059-Male,
pubmed-meshheading:18952059-Membrane Proteins,
pubmed-meshheading:18952059-Mice,
pubmed-meshheading:18952059-Mice, Transgenic,
pubmed-meshheading:18952059-Molecular Sequence Data,
pubmed-meshheading:18952059-Ovum,
pubmed-meshheading:18952059-Rats,
pubmed-meshheading:18952059-Spermatozoa
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pubmed:year |
2008
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pubmed:articleTitle |
Putative sperm fusion protein IZUMO and the role of N-glycosylation.
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pubmed:affiliation |
Research Institute for Microbial Diseases, Osaka University, Yamadaoka 3-1, Suita, Osaka 565-0871, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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