DNA content in Eurasian sturgeon species determined by flow cytometry.
Identifieur interne : 000722 ( PubMed/Curation ); précédent : 000721; suivant : 000723DNA content in Eurasian sturgeon species determined by flow cytometry.
Auteurs : V J Birstein [Russie] ; A I Poletaev ; B F GoncharovSource :
- Cytometry [ 0196-4763 ] ; 1993.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : DNA.
- geographic : Asia, Europe.
- classification : Fishes.
- genetics : Fishes, Xenopus laevis.
- Animals, Flow Cytometry, Polyploidy, Reference Standards, Species Specificity.
Abstract
The nuclear DNA content in 10 species of chondrostean fishes was measured by flow cytometry. The sterlet Acipenser ruthenus blood cells were used as an internal standard. The sterlet DNA content was calculated on the basis of comparison with the Xenopus laevis blood cells, 2C = 6.30 pg. In the tetraploid A. ruthenus and A. stellatus the DNA content comprises 3.74 pg/nucleus and is practically invariant; in Huso dauricus it is almost the same, 3.74-3.81 pg; and in A. nudiventris it is a little higher, 3.88-4.04 pg. In the oldest chondrostean, Pseudoscaphirhynchus kaufmanni, the nuclear DNA content is slightly lower, 2C = 3.46-3.48 pg, and in the American paddlefish Polyodon spathula it is lower still, 3.17 pg. In two octoploid sturgeons, A. baeri and A. gueldenstaedti, the DNA content is twice as high as that of the sterlet, 8.29-8.31 and 7.86-7.88 pg, respectively; a very similar amount, 8.24-8.42 pg, was determined in the hybrid Huso huso x A. ruthenus. In the Sakhalin sturgeon, A. medirostris (= A. mikadoi), the DNA content is two times higher than in the octoploids, 13.93-14.73 pg; therefore its ploidy may be 16n and the number of chromosomes could be 500.
DOI: 10.1002/cyto.990140406
PubMed: 8513694
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K. Koltsov Institute of Developmental Biology, Russian Academy of Sciences, Moscow.</nlm:affiliation><country>Russie</country><placeName><settlement type="city">Moscou</settlement><region>District fédéral central</region></placeName><wicri:orgArea>N. K. 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The sterlet Acipenser ruthenus blood cells were used as an internal standard. The sterlet DNA content was calculated on the basis of comparison with the Xenopus laevis blood cells, 2C = 6.30 pg. In the tetraploid A. ruthenus and A. stellatus the DNA content comprises 3.74 pg/nucleus and is practically invariant; in Huso dauricus it is almost the same, 3.74-3.81 pg; and in A. nudiventris it is a little higher, 3.88-4.04 pg. In the oldest chondrostean, Pseudoscaphirhynchus kaufmanni, the nuclear DNA content is slightly lower, 2C = 3.46-3.48 pg, and in the American paddlefish Polyodon spathula it is lower still, 3.17 pg. In two octoploid sturgeons, A. baeri and A. gueldenstaedti, the DNA content is twice as high as that of the sterlet, 8.29-8.31 and 7.86-7.88 pg, respectively; a very similar amount, 8.24-8.42 pg, was determined in the hybrid Huso huso x A. ruthenus. In the Sakhalin sturgeon, A. medirostris (= A. mikadoi), the DNA content is two times higher than in the octoploids, 13.93-14.73 pg; therefore its ploidy may be 16n and the number of chromosomes could be 500.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">8513694</PMID><DateCreated><Year>1993</Year><Month>07</Month><Day>16</Day></DateCreated><DateCompleted><Year>1993</Year><Month>07</Month><Day>16</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0196-4763</ISSN><JournalIssue CitedMedium="Print"><Volume>14</Volume><Issue>4</Issue><PubDate><Year>1993</Year></PubDate></JournalIssue><Title>Cytometry</Title><ISOAbbreviation>Cytometry</ISOAbbreviation></Journal><ArticleTitle>DNA content in Eurasian sturgeon species determined by flow cytometry.</ArticleTitle><Pagination><MedlinePgn>377-83</MedlinePgn></Pagination><Abstract><AbstractText>The nuclear DNA content in 10 species of chondrostean fishes was measured by flow cytometry. The sterlet Acipenser ruthenus blood cells were used as an internal standard. The sterlet DNA content was calculated on the basis of comparison with the Xenopus laevis blood cells, 2C = 6.30 pg. In the tetraploid A. ruthenus and A. stellatus the DNA content comprises 3.74 pg/nucleus and is practically invariant; in Huso dauricus it is almost the same, 3.74-3.81 pg; and in A. nudiventris it is a little higher, 3.88-4.04 pg. In the oldest chondrostean, Pseudoscaphirhynchus kaufmanni, the nuclear DNA content is slightly lower, 2C = 3.46-3.48 pg, and in the American paddlefish Polyodon spathula it is lower still, 3.17 pg. In two octoploid sturgeons, A. baeri and A. gueldenstaedti, the DNA content is twice as high as that of the sterlet, 8.29-8.31 and 7.86-7.88 pg, respectively; a very similar amount, 8.24-8.42 pg, was determined in the hybrid Huso huso x A. ruthenus. In the Sakhalin sturgeon, A. medirostris (= A. mikadoi), the DNA content is two times higher than in the octoploids, 13.93-14.73 pg; therefore its ploidy may be 16n and the number of chromosomes could be 500.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Birstein</LastName><ForeName>V J</ForeName><Initials>VJ</Initials><AffiliationInfo><Affiliation>N. K. 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