Genetic background impacts soluble and cell wall-bound aromatics in brown midrib mutants of sorghum
نویسندگان
چکیده
منابع مشابه
Identification of differentially expressed genes in sorghum (Sorghum bicolor) brown midrib mutants.
Sorghum, a species able to produce a high yield of biomass and tolerate both drought and poor soil fertility, is considered to be a potential bioenergy crop candidate. The reduced lignin content characteristic of brown midrib (bmr) mutants improves the efficiency of bioethanol conversion from biomass. Suppression subtractive hybridization combined with cDNA microarray profiling was performed to...
متن کاملGenetic and molecular basis of grass cell wall biosynthesis and degradability. II. Lessons from brown-midrib mutants.
The brown-midrib mutants of maize have a reddish-brown pigmentation of the leaf midrib and stalk pith, associated with lignified tissues. These mutants progressively became models for lignification genetics and biochemical studies in maize and grasses. Comparisons at silage maturity of bm1, bm2, bm3, bm4 plants highlighted their reduced lignin, but also illustrated the biochemical specificities...
متن کاملCharacterization of Novel Sorghum brown midrib Mutants from an EMS-Mutagenized Population
Reducing lignin concentration in lignocellulosic biomass can increase forage digestibility for ruminant livestock and saccharification yields of biomass for bioenergy. In sorghum (Sorghum bicolor (L.) Moench) and several other C4 grasses, brown midrib (bmr) mutants have been shown to reduce lignin concentration. Putative bmr mutants isolated from an EMS-mutagenized population were characterized...
متن کاملComparison of Brown Midrib Sorghum with Conventional Sorghum Forage for Grazing Dairy Cows
A brown midrib (BMR) sorghum pasture was compared with normal sorghum for its effects on performance of Holstein cows in midlactation in terms of milk production and composition at grazing over three periods (Period 1: 20/01 to 31/01, Period 2: 17/02 to 28/02, Period 3: 19/03 to 30/03). Forty Holstein cows were grouped according to pre-experimental milk production (22.4 ± 4.2 kg/d milk), live w...
متن کاملPhenotypic 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 ...
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ژورنال
عنوان ژورنال: Planta
سال: 2008
ISSN: 0032-0935,1432-2048
DOI: 10.1007/s00425-008-0814-1