Artificial whole genome duplication in paleopolyploid sturgeons yields highest documented chromosome number in vertebrates
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12520%2F20%3A43901157" target="_blank" >RIV/60076658:12520/20:43901157 - isvavai.cz</a>
Alternative codes found
RIV/67985904:_____/20:00536410
Result on the web
<a href="https://doi.org/10.1038/s41598-020-76680-4" target="_blank" >https://doi.org/10.1038/s41598-020-76680-4</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41598-020-76680-4" target="_blank" >10.1038/s41598-020-76680-4</a>
Alternative languages
Result language
angličtina
Original language name
Artificial whole genome duplication in paleopolyploid sturgeons yields highest documented chromosome number in vertebrates
Original language description
Critically endangered sturgeons, having undergone three whole genome duplication events, represent an exceptional example of ploidy plasticity in vertebrates. Three extant ploidy groups, combined with autopolyploidization, interspecific hybridization and the fertility of hybrids are important issues in sturgeon conservation and aquaculture. Here we demonstrate that the sturgeon genome can undergo numerous alterations of ploidy without severe physiological consequences, producing progeny with a range of ploidy levels and extremely high chromosome numbers. Artificial suppression of the first mitotic division alone, or in combination with suppression of the second meiotic division of functionally tetraploid zygotes (4n, C-value=4.15) of Siberian sturgeon Acipenser baerii and Russian sturgeon A. gueldenstaedtii resulted in progeny of various ploidy levels-diploid/hexaploid (2n/6n) mosaics, hexaploid, octoploid juveniles (8n), and dodecaploid (12n) larvae. Counts between 477 to 520 chromosomes in octoploid juveniles of both sturgeons confirmed the modal chromosome numbers of parental species had been doubled. This exceeds the highest previously documented chromosome count among vertebrates 2n similar to 446 in the cyprinid fish Ptychobarbus dipogon.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10603 - Genetics and heredity (medical genetics to be 3)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Scientific Reports
ISSN
2045-2322
e-ISSN
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Volume of the periodical
10
Issue of the periodical within the volume
1
Country of publishing house
GB - UNITED KINGDOM
Number of pages
10
Pages from-to
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UT code for WoS article
000595255700098
EID of the result in the Scopus database
2-s2.0-85095937270