Phenotypic plasticity in cell walls of maize brown midrib mutants is limited by lignin composition
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منابع مشابه
Phenotypic plasticity in cell walls of maize brown midrib mutants is limited by lignin composition
The hydrophobic cell wall polymer lignin is deposited in specialized cells to make them impermeable to water and prevent cell collapse as negative pressure or gravitational force is exerted. The variation in lignin subunit composition that exists among different species, and among different tissues within the same species suggests that lignin subunit composition varies depending on its precise ...
متن کاملBrown midrib mutations and their importance to the utilization of maize, sorghum, and pearl millet lignocellulosic tissues
Brown midrib mutants have been isolated in maize (Zea mays), sorghum (Sorghum bicolor) and pearl millet (Pennisetum glaucum) arising by either spontaneous or chemical mutagenesis. The characteristic brown coloration of the leaf mid veins is associated with reduced lignin content and altered lignin composition, traits useful to improve forage digestibility for livestock. Brown midrib phenotype i...
متن کاملAlteration in Lignin Biosynthesis Restricts Growth of <i>Fusarium</i> spp. in Brown Midrib Sorghum
Funnell-Harris, D. L., Pedersen, J. F., and Sattler, S. E. 2010. Alteration in lignin biosynthesis restricts growth of Fusarium spp. in brown midrib sorghum. Phytopathology 100:671-681. To improve sorghum for bioenergy and forage uses, brown midrib (bmr)6 and -12 near-isogenic genotypes were developed in different sorghum backgrounds. The bmr6 and bmr12 grain had significantly reduced colonizat...
متن کاملAlteration in lignin biosynthesis restricts growth of Fusarium spp. in brown midrib sorghum.
To improve sorghum for bioenergy and forage uses, brown midrib (bmr)6 and -12 near-isogenic genotypes were developed in different sorghum backgrounds. The bmr6 and bmr12 grain had significantly reduced colonization by members of the Gibberella fujikuroi species complex compared with the wild type, as detected on two semiselective media. Fusarium spp. were identified using sequence analysis of a...
متن کاملCharacterization of novel Brown midrib 6 mutations affecting lignin biosynthesis in sorghum.
The presence of lignin reduces the quality of lignocellulosic biomass for forage materials and feedstock for biofuels. In C4 grasses, the brown midrib phenotype has been linked to mutations to genes in the monolignol biosynthesis pathway. For example, the Bmr6 gene in sorghum (Sorghum bicolor) has been previously shown to encode cinnamyl alcohol dehydrogenase (CAD), which catalyzes the final st...
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ژورنال
عنوان ژورنال: Journal of Experimental Botany
سال: 2010
ISSN: 1460-2431,0022-0957
DOI: 10.1093/jxb/erq093