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| Description
| - African killifishes of the genus Chromaphyosemion show a high degree of phenotypic and karyotypic diversity. The latter is especially pronounced in C. riggenbachi , a morphologically defined species restricted to a small distribution area in Cameroon. This study presents a detailed reconstruction of karyotype differentiation within C. riggenbachi using conventional Giemsa staining and sequential chromosome banding as well as a phylogenetic analysis based on part of the mitochondrial (mt) cytochrome b gene from eleven populations. The cytogenetic analysis revealed differences in chromosome morphology, banding patterns and/or diploid chromosome number (2n) among all populations examined. Diploid number ranged from 2n = 20 to 2n = 36 and varied mainly among populations, while C-banding patterns and NOR phenotypes showed fixed differences among populations as well as some variability within populations. The mtDNA analysis disclosed five clearly differentiated haplotype groups. Mapping the karyotype dat...
- African killifishes of the genus Chromaphyosemion show a high degree of phenotypic and karyotypic diversity. The latter is especially pronounced in C. riggenbachi , a morphologically defined species restricted to a small distribution area in Cameroon. This study presents a detailed reconstruction of karyotype differentiation within C. riggenbachi using conventional Giemsa staining and sequential chromosome banding as well as a phylogenetic analysis based on part of the mitochondrial (mt) cytochrome b gene from eleven populations. The cytogenetic analysis revealed differences in chromosome morphology, banding patterns and/or diploid chromosome number (2n) among all populations examined. Diploid number ranged from 2n = 20 to 2n = 36 and varied mainly among populations, while C-banding patterns and NOR phenotypes showed fixed differences among populations as well as some variability within populations. The mtDNA analysis disclosed five clearly differentiated haplotype groups. Mapping the karyotype dat... (en)
- Studie uvádí detailní rekonstrukci karyotypové diferenciace u C. rigenbachii za použití diferenciálního barvení chromozómů a fylogenetické analýzy mt genu pro cytochrom b u 11 známých populací tohoto druhu. Cytogenetická analýza odhalila počet chromozómů pohybující se od 2n = 20 do 2n 36, rozdíly v morfologii chromozómů, C-pruhování a NOR fenotypy měly rozdíly fixované mezi populace. Fylogenetická analýza ukázala 5 jasně diferencovaných skupin a mapování cytogenetických údajů do mt DNA stromu ukázalo, že redukce 2n se pohybuje od basálních po nepokročilejší mt skupiny. Diferenciace karyotypů tak zahrnovala především Robertsonovské fúze a v některých případech ne-Robertsnovské procesy. Tato detailní analýza kombinovaná s výsledky hybridizačních experimentů naznačuje incipientní speciaci mezi populacemi druhu. (cs)
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| Title
| - Karyotype differentiation in Chromaphyosemion killifishes (Cyprinodontiformes, Nothobranchiidae)II: Cytogenetic and mitochondrial DNA analyses demostrate karyotype differentiation and its evolutionary direction in C. riggenbachi
- Karyotype differentiation in Chromaphyosemion killifishes (Cyprinodontiformes, Nothobranchiidae)II: Cytogenetic and mitochondrial DNA analyses demostrate karyotype differentiation and its evolutionary direction in C. riggenbachi (en)
- Karyotypová diferenciace halančíků rodu Chromaphyosemion (Cyprinodontiformes, Nothobranchiidae). II Cytogenetická a mtDNA analýzy demonstrují evoluční trajektorii karyotypevé diferenciace u C. rigenbachii (cs)
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| skos:prefLabel
| - Karyotype differentiation in Chromaphyosemion killifishes (Cyprinodontiformes, Nothobranchiidae)II: Cytogenetic and mitochondrial DNA analyses demostrate karyotype differentiation and its evolutionary direction in C. riggenbachi
- Karyotype differentiation in Chromaphyosemion killifishes (Cyprinodontiformes, Nothobranchiidae)II: Cytogenetic and mitochondrial DNA analyses demostrate karyotype differentiation and its evolutionary direction in C. riggenbachi (en)
- Karyotypová diferenciace halančíků rodu Chromaphyosemion (Cyprinodontiformes, Nothobranchiidae). II Cytogenetická a mtDNA analýzy demonstrují evoluční trajektorii karyotypevé diferenciace u C. rigenbachii (cs)
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| skos:notation
| - RIV/67985904:_____/06:00047962!RIV07-AV0-67985904
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/67985904:_____/06:00047962
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - karyotype differentiation (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - CH - Švýcarská konfederace
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Cytogenetics and Genome Research
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Ráb, Petr
- Sonnenberg, R.
- Kullmann, H.
- Völker, M.
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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