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- Title
Analysis of 5S rDNA Organization and Variation in Polyploid Hybrids from Crosses of Different Fish Subfamilies.
- Authors
QINBO QIN; WEIGUO HE; SHAOJUN LIU; JING WANG; JUN XIAO; YUN LIU
- Abstract
The article presents a study on the coding region (5S) and nontranscribed spacer (NTS) in red crucian carp (RCC), blunt snout bream (BSB) and their polyploid offspring. It describes three monomeric 5S recombination DNA (rDNA) classes of RCC according to NTS types. The results revealed the influence of polyploidy on the multigene family of 5S rDNA of fish. It is concluded that the drastic elimination and recombination of the rDNA repeats might help in improving the fertility of allopolyploids.
- Subjects
POLYPLOIDY; RECOMBINANT DNA; PLOIDY; CRUCIAN carp; ANIMAL infertility; FISH fertility
- Publication
Journal of Experimental Zoology Part B: Molecular & Developmental Evolution, 2010, Vol 314B, Issue 5, p403
- ISSN
1552-5007
- Publication type
Article
- DOI
10.1002/jez.b.21346