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- Title
Plantago lagopus B Chromosome Is Enriched in 5S rDNA-Derived Satellite DNA.
- Authors
Kumke, Katrin; Macas, Jiří; Fuchs, Jörg; altschmied, Lothar; Kour, Jasmeet; Dhar, Manoj K.; Houben, andreas
- Abstract
B chromosomes are supernumerary dispensable parts of the karyotype which appear in some individuals of some populations in some species. Using advanced sequencing technology, we in silico characterized the high-copy DNA composition of Plantago lagopus with and without B chromosomes. The nuclear genome (2.46 pg/2C) was found to be relatively rich in repetitive sequences, with highly and moderately repeated elements making up 68% of the genome. Besides a centromere-specific marker, we identified a B-specific satellite and a repeat enriched in polymorphic A chromosome segments. The B-specific tandem repeat PLsatB originated from sequence amplification including 5S rDNA fragments.
- Subjects
PLANTAGO; CHROMOSOME abnormalities; RECOMBINANT DNA research; SATELLITE DNA; KARYOTYPES
- Publication
Cytogenetic & Genome Research, 2016, Vol 148, Issue 1, p68
- ISSN
1424-8581
- Publication type
Article
- DOI
10.1159/000444873