Mapping quantitative trait loci for tissue culture response in VCS3M-DH population of Brassica rapa.
Plant Cell Rep
; 32(8): 1251-61, 2013 Aug.
Article
en En
| MEDLINE
| ID: mdl-23563522
KEY MESSAGE: Quantitative trait loci (QTL) controlling callus induction and plant regeneration were identified in the VCS3M-DH population of Brassica rapa. Quantitative trait loci (QTL) controlling callus induction and plant regeneration were identified in the VCS3M-DH population of Brassica rapa. The VCS3M-DH population showed wide and continuous variation in callus induction and shoot regeneration. Significant coefficient correlations were detected between these two parameters. Broad-sense heritability (h (2)) for the two traits was around 0.7, indicating genetic regulation of regeneration ability in this population. In the composite interval mapping analysis, two QTLs for callus induction ability, qCi2 and qCi7, were mapped on chromosome A02 and A07, explaining 28.6 % of phenotypic variation. For plant regeneration, four QTLs, qPr6-1 qPr6-2, qPr7, and qPr9 were identified on chromosome A06, A07, and A09, which in total explained 50.1 % of phenotypic variation. Furthermore, 15 putative candidate genes were found on the interval of the six QTLs, which were related to various plant hormones, MADS-box genes, and serine/threonine related genes. These results provide important information to identify genes related to tissue culture ability in B. rapa.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Brassica
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Mapeo Cromosómico
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Sitios de Carácter Cuantitativo
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Técnicas de Cultivo de Tejidos
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Plant Cell Rep
Asunto de la revista:
BOTANICA
Año:
2013
Tipo del documento:
Article
Pais de publicación:
Alemania