Document Detail

Comparative FISH analysis of distribution of B chromosome repetitive DNA in A an d B chromosomes in two subspecies of Podisma sapporensis (Orthoptera, Acrididae).
MedLine Citation:
PMID:  15292604     Owner:  NLM     Status:  MEDLINE    
FISH analysis of B chromosome repetitive DNA distribution in A and B chromosomes of two subspecies of Podisma sapporensis (P. s. sapporensis and P. s. krylonensis) was performed. In the B chromosomes, C-positive regions contained homologous DNA repeats present also in some C-positive A chromosome regions. Most C-negative regions contained DNA repeats characteristic of A chromosome euchromatic regions. The two subspecies analyzed differed in the location of A chromosome regions enriched with repeats homologous to repeats of B chromosomes. The only common region enriched with these B chromosome repeats in both subspecies was the X chromosome pericentromeric region. The origin of B chromosomes in P. sapporensis is discussed.
A G Bugrov; T V Karamysheva; D N Rubtsov; O V Andreenkova; N B Rubtsov
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Cytogenetic and genome research     Volume:  106     ISSN:  1424-859X     ISO Abbreviation:  Cytogenet. Genome Res.     Publication Date:  2004  
Date Detail:
Created Date:  2004-08-04     Completed Date:  2005-02-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101142708     Medline TA:  Cytogenet Genome Res     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  284-8     Citation Subset:  IM    
Copyright Information:
Copyright 2004 S. Karger AG, Basel
Institutes of Systematics and Ecology of Animals, Siberian Branch of Russian Academy of Sciences, Novosibirsk State University, Novosibirsk, Russia.
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MeSH Terms
Chromosome Banding / methods
Chromosomes / genetics*
DNA / genetics*
Embryo, Nonmammalian
Euchromatin / genetics
Grasshoppers / genetics*
In Situ Hybridization, Fluorescence / methods*
Repetitive Sequences, Nucleic Acid / genetics*
Species Specificity
X Chromosome / genetics
Reg. No./Substance:
0/Euchromatin; 9007-49-2/DNA

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