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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Inheritance of flour paste viscosity is associated with a rice Waxy gene exon 10 SNP marker
Journal of Cereal Science, Volume 53, No. 1, Year 2011
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Description
Apparent amylose content is a key element for characterizing a rice (Oryza sativa L.) cultivar for cooking quality. However, cultivars with similar apparent amylose content can have widely varying quality attributes, including major parameters of flour paste viscosity. It has been postulated that the presence of a rice Waxy gene single nucleotide polymorphism (SNP) marker is associated with elevated Rapid Visco Analyser (RVA) properties in specific high amylose rice cultivars. A mapping population derived from a cross between two varieties, Cocodrie and Dixiebelle, having similar high apparent amylose contents, but with different paste viscosity properties and Waxy gene markers was analyzed for the genetic segregation of various pasting properties, measured with RVA instrumentation. Marker inheritance analyses revealed that the Waxy exon 10 SNP marker was associated with the proportion of soluble to insoluble apparent amylose and most RVA pasting measurements. Waxy gene markers can be used to efficiently improve the selection of rice with desirable characteristics, particularly for superior parboiling and canning quality. © 2010.
Authors & Co-Authors
Traoré, Karim
Senegal, Saint Louis
Centre du Riz Pour L'afrique, Senegal
McClung, Anna M.
United States, Washington, D.c.
Usda Agricultural Research Service
Chen, Ming Hsuan
United States, Washington, D.c.
Usda Agricultural Research Service
Fjellstrom, Robert
United States, Washington, D.c.
Usda Agricultural Research Service
Statistics
Citations: 34
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1016/j.jcs.2010.08.009
e-ISSN:
10959963
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study