نتایج جستجو برای: cereal starch
تعداد نتایج: 33985 فیلتر نتایج به سال:
Plastidial disproportionating enzyme1 (DPE1), an α-1,4-d-glucanotransferase, has been thought to be involved in storage starch synthesis in cereal crops. However, the precise function of DPE1 remains to be established. We present here the functional identification of DPE1 in storage starch synthesis in rice (Oryza sativa) by endosperm-specific gene overexpression and suppression. DPE1 overexpre...
Forage legumes have a relatively high biomass yield and crude protein content, but their grazed and harvested biomass lacks the high-energy carbohydrates required to meet the productivity potential of modern livestock breeds. Because of their low carbohydrate content, forage legume diets are typically supplemented with starch rich cereal grains or maize (Zea mays), leading to the disruption of ...
Brachypodium distachyon is a non-domesticated cereal. Nonetheless, Brachypodium was recently introduced as a model plant for temperate cereals. This study compares grain starch metabolism in Brachypodium and barley (Hordeum vulgare). In Brachypodium, we identified and annotated 28 genes involved in starch metabolism and identified important motifs including transit peptides and putative carbohy...
Cereal Chem. 73(6):759-761 Total dietary fiber (TDF) was measured by the AOAC method 985.29 hydrolyzed after 30 min, while rice and maize starch remained =42 and using 30 and 60 min of amyloglucosidase incubation. Resistant starch 50%, respectively, of TDF values after 60 min. As expected in the was determined in the TDF residues after gelatinization, dissolution with varietal rices, when amylo...
The aim of this work was to understand the initial steps of starch breakdown inside chloroplasts. In the non-living endosperm of germinating cereal grains, starch breakdown is initiated by alpha-amylase secreted from surrounding cells. However, loss of alpha-amylase from Arabidopsis does not prevent chloroplastic starch breakdown (Yu, T.-S., Zeeman, S. C., Thorneycroft, D., Fulton, D. C., Dunst...
Cereal grains represent 30 to 60% of the DM of many companion animal diets. Once incorporated into a diet, the starch component of these grains can provide an excellent source of ME. However, crystallinity and form of starch are variable and can cause incomplete digestion within the gastrointestinal tract. Diets fed in this experiment included one of six high-starch flours as the main source of...
In cereal crops, starch synthesis and storage depend mainly on a specialized class of plastids, termed amyloplasts. Despite the importance of starch, the molecular machinery regulating starch synthesis and amyloplast development remains largely unknown. Here, we report the characterization of the rice (Oryza sativa) floury endosperm7 (flo7) mutant, which develops a floury-white endosperm only i...
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