Karyotype differentiation in Chromaphyosemion killifishes (Cyprinodontiformes, Nothobranchiidae) III: Extensive karyotypic variability associated with low mitochondrial haplotype differentiation in C. bivittatum

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985904%3A_____%2F07%3A00082470" target="_blank" >RIV/67985904:_____/07:00082470 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Karyotype differentiation in Chromaphyosemion killifishes (Cyprinodontiformes, Nothobranchiidae) III: Extensive karyotypic variability associated with low mitochondrial haplotype differentiation in C. bivittatum

Original language description

We investigated chromosomal evolution in the African killifish species Chromaphyosemion bivittatum using a combination of cytogenetic and phylogenetic methods. Specimens from five populations were examined by conventional Giemsa staining as well as sequential chromosome banding with 4', 6-diamidino-2-phenylindole (DAPI), chromomycin A 3 (CMA(3)), AgNO3-staining and C-banding. The cytogenetic analysis revealed variability in 2n ranging from 2n = 29 to 2n = 36 and in NF ranging from NF = 38 to NF = 44. Two populations showed an extensive chromosomal polymorphism ( 2n = 29 - 34, NF = 44 and 2n = 32 - 34, NF = 38 - 42, respectively). Karyotypic variability within and among populations was mainly due to Robertsonian translocations and heterochromatin additions, and chromosome banding patterns suggested that both types of chromosomal rearrangements were related to the presence of AT-rich heterochromatin. A phylogenetic analysis of the partial mitochondrial (mt) cytochrome b gene, using speci

Czech name

Karyotypova diferenciace hlančíků rodu Chrompahyosemion (Cyprinodontiformes, Nothobranchiidae) III: Rozsáhlá karyotypová variabilita spojená s nízkou mt haplotypovou differenciací u C. bivittatum

Czech description

Byla analyzována chromozómová evoluce u afrického halančíka Chromaphyosemion bivittatum použitím kombinace cytogenetických a fylogenetických metod. Cytogenetická analýza ukázala varaibilitu 2n od 29 do 36 chromozómů a NF od 38 do 44. Dvě populace byly extrémně polymorfní ( 2n = 29 - 34, NF = 44 a 2n = 32 - 34, NF = 38 - 42). Karyotypová variabilita uvnitř a mezi populacemi byla způsobena ponejvíce Robertsonovskými transkolakacemi a heterochromatinovými adicemi, kde oba typy přestaveb byly asociovány s AT-specifckým heterochromatinem. fylogenetická analýza ukázala velmi nízkou úroveň genetické diferenciace a ukazuje na velkou rychlost chromozomové evoluce.

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

EB - Genetics and molecular biology

OECD FORD branch

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Project

<a href="/en/project/LC06073" target="_blank" >LC06073: Biodiversity Research Center</a><br>

Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2007

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Cytogenetics and Genome Research

ISSN

1424-8581

e-ISSN

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Volume of the periodical

116

Issue of the periodical within the volume

1-2

Country of publishing house

CH - SWITZERLAND

Number of pages

11

Pages from-to

116-126

UT code for WoS article

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EID of the result in the Scopus database

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