NDLI: Mapping and candidate genes associated with saccharification yield in sorghum.

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Mapping and candidate genes associated with saccharification yield in sorghum.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Wang, Yi-Hong Acharya, Aniruddha Burrell, A. Millie Klein, Robert R. Klein, Patricia E. Hasenstein, Karl H.
Description	Country affiliation: United States Author Affiliation: Wang YH ( a Department of Biology, University of Louisiana at Lafayette, Lafayette, LA 70504, USA.)
Abstract	Sorghum (Sorghum bicolor (L.) Moench) is a high-yielding, stress tolerant energy crop for lignocellulosic-based biofuel production. Saccharification is a process by which hydrolytic enzymes break down lignocellulosic materials to fermentable sugars for biofuel production, and mapping and identifying genes underlying saccharification yield is an important first step to genetically improve the plant for higher biofuel productivity. In this study, we used the ICRISAT sorghum mini core germplasm collection and 14 739 single nucleotide polymorphism markers to map saccharification yield. Seven marker loci were associated with saccharification yield and five of these loci were syntenic with regions in the maize genome that contain quantitative trait loci underlying saccharification yield and cell wall component traits. Candidate genes from the seven loci were identified but must be validated, with the most promising candidates being ß-tubulin, which determines the orientation of cellulose microfibrils in plant secondary cell walls, and NST1, a master transcription factor controlling secondary cell wall biosynthesis in fibers. Other candidate genes underlying the different saccharification loci included genes that play a role in vascular development and suberin deposition in plants. The identified loci and candidate genes provide information into the factors controlling saccharification yield and may facilitate increasing biofuel production in sorghum.
File Format	HTM / HTML
ISSN	08312796
e-ISSN	14803321
Journal	Genome
Issue Number	11
Volume Number	56
Language	English
Publisher	Canadian Science Publishing
Publisher Date	2013-11-01
Publisher Place	Canada
Access Restriction	Open
Subject Keyword	Discipline Genetics Genes, Plant Lignin Metabolism Sorghum Enzymology Genetics Biofuels Carbohydrate Metabolism Chromosome Mapping Chromosomes, Plant Genetic Association Studies Genetic Markers Genetic Variation Genome, Plant Genotype Glucose Phenotype Plant Proteins Physiology Polymorphism, Single Nucleotide Sequence Alignment Synteny Zea Mays Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Molecular Biology Biotechnology

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