Sucrose synthase molecular marker associated with sugar content in elite sugarcane progeny
Genet. mol. biol
; Genet. mol. biol;28(2): 294-298, 2005. ilus, tab
Article
em En
| LILACS
| ID: lil-416301
Biblioteca responsável:
BR1.1
ABSTRACT
We describe the development and application of an expressed sequence tag (EST)-derived restriction fragment length polymorphism (RFLP) marker for sugarcane elite genotypes which can be used for quantitative trait loci (QTL) tagging for sugar content. EST-derived RFLP markers for proteins involved in sucrose metabolism have been used in Southern analysis for mapping and gene tagging in elite sugarcane clones. A single dose marker, obtained from a sucrose synthase EST associated with sugar content at the alpha = 0.01 probability level, is presented for sugarcane breeding. Utilization of EST homologues to known genes for generation of molecular markers accelerated the identification of a QTL controlling an important trait-sugar content. Sugarcane bacterial artificial chromosome (BAC) clones hybridizing to the sucrose synthase EST were identified.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Etiquetas de Sequências Expressas
/
Saccharum
Tipo de estudo:
Risk_factors_studies
Idioma:
En
Revista:
Genet. mol. biol
Assunto da revista:
GENETICA
Ano de publicação:
2005
Tipo de documento:
Article
País de afiliação:
Brasil
/
Estados Unidos
País de publicação:
Brasil