Document Detail


Chromosome mapping in barley by means of telotrisomic analysis.
MedLine Citation:
PMID:  24270429     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A total of 37 genetic markers located in chromosomes 2, 3, 4 and 5 were associated with specific arms by means of telotrisomic analysis in five telotrisomics (Triplo 2 L, 2 S, 3 S, 4 S, 5 L) of barley (Hordeum vulgare L.). The genes v, gp (= gp 2), li, gs 5, tr and msg2 showed a trisomic ratio with Triplo 2 L indicating that these genes were on the long arm of chromosome 2. A disomic ratio was obtained for genes wst 4, gs 5, and v with Triplo 2 S, confirming that these genes were on the long arm of chromosome 2(2 L). A disomic ratio was observed for genes e, f(= lg), sk, and gs6 with Triplo 2 L. Two genes, f(= lg) and gs6 showed a trisomic ratio with Triplo 2S. These results indicated that genes e, f(= lg), sk, and gs 6 are on the short arm of chromosome 2 (2S). Since only one telocentric chromosome was available for chromosome 3, 4 and 5, most of the well-mapped marker genes were tested with those telocentric chromosomes. The genes cu 2, uz, wst, als, gs 2, zb,f2, and cer-zn (348) showed trisomic ratio with the telocentric for chromosome 3. These genes were located on the short arm of chromosome 3 (Robertson 1971). This indicated that the telocentric chromosome is for the short arm of chromosome 3(3 S). A disomic ratio was obtained for genes yst, x c, al, yst2, a n, ari-a (6) and x s, indicating that these genes are on the long arm of chromosome 3. Two genes, f9 and K, showed trisomic ratio with the telocentric chromosome for 4, while genes gl(= gl2), br2, yh, lg 3, lg 4 and lk 5 showed disomic ratios. This indicated that the telocentric chromosome is for the short arm of chromosome 4. Two genes, fs 2 and g, were studied with Triplo 5 L. Both showed trisomic ratio, indicating that fs 2 and g are located on Triplo 5 L. The centromere position (C) on chromosome 2, 3 and 4 was thus located as (the left side of C is the short arm and the right is the long arm): chromosome 2: f - sk - gs6 - e - C - gs5 - msg2 - wst4 - v - gp - li - tr; chromosome 3: f2 - cer-zn (348) - uz - gs2 - als - cu2 - wst - zb - C - yst - x c - al - yst2 - a n - ari-a (6) - x s; chromosome 4: f9 - K - C - lg4 - lg (3) - gl2 - br2 - lk5 - yh. The centromere position on chromosome 5 was not precisely located.
Authors:
T Tsuchiya; R J Singh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik     Volume:  61     ISSN:  0040-5752     ISO Abbreviation:  Theor. Appl. Genet.     Publication Date:  1982 Sep 
Date Detail:
Created Date:  2013-11-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0145600     Medline TA:  Theor Appl Genet     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  201-8     Citation Subset:  -    
Affiliation:
Department of Agronomy, Colorado State University, Fort Collins, Colo., USA.
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