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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
4
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pubmed:dateCreated |
1997-6-19
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pubmed:databankReference |
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pubmed:abstractText |
The Pacific-rim, dioecious bivalve Mytilus californianus contains two distinct sequence types of mitochondrial (mt) DNA that are gender-limited in their occurrence. One type (F) is found in both females and males, but the second type (M) is strictly limited to males. Although F- and M-type mtDNAs occur in approximately equal proportion in testes, there is a preponderance of M-type in sperm. Segments of the COI and ND5 genes of F-type and M-type mtDNAs differ in nucleotide sequence by 21.1% and 31.6%, and in predicted amino-acid sequence by 7.9% and 27.1%, respectively. These latter observations raise hitherto unconsidered questions regarding the number of different variants of cytochrome c oxidase and NADH dehydrogenase that may occur in Mytilus non-gametic male cells.
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pubmed:grant |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0172-8083
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
31
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
318-24
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pubmed:dateRevised |
2008-8-29
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pubmed:meshHeading |
pubmed-meshheading:9108139-Amino Acid Sequence,
pubmed-meshheading:9108139-Animals,
pubmed-meshheading:9108139-Autoradiography,
pubmed-meshheading:9108139-Base Sequence,
pubmed-meshheading:9108139-Bivalvia,
pubmed-meshheading:9108139-DNA, Mitochondrial,
pubmed-meshheading:9108139-DNA Primers,
pubmed-meshheading:9108139-Deoxyribonucleases, Type II Site-Specific,
pubmed-meshheading:9108139-Electron Transport Complex IV,
pubmed-meshheading:9108139-Electrophoresis, Agar Gel,
pubmed-meshheading:9108139-Female,
pubmed-meshheading:9108139-In Situ Hybridization,
pubmed-meshheading:9108139-Male,
pubmed-meshheading:9108139-Molecular Sequence Data,
pubmed-meshheading:9108139-Ovary,
pubmed-meshheading:9108139-Polymerase Chain Reaction,
pubmed-meshheading:9108139-Sequence Homology, Amino Acid,
pubmed-meshheading:9108139-Sex Characteristics,
pubmed-meshheading:9108139-Spermatozoa,
pubmed-meshheading:9108139-Testis
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pubmed:year |
1997
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pubmed:articleTitle |
Gender-associated diverse mitochondrial DNA molecules of the mussel Mytilus californianus.
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pubmed:affiliation |
Department of Biology, University of Utah, Salt Lake City, UT 84112, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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