منابع مشابه
Opaque7 encodes an acyl-activating enzyme-like protein that affects storage protein synthesis in maize endosperm.
In maize, a series of seed mutants with starchy endosperm could increase the lysine content by decreased amount of zeins, the main storage proteins in endosperm. Cloning and characterization of these mutants could reveal regulatory mechanisms for zeins accumulation in maize endosperm. Opaque7 (o7) is a classic maize starchy endosperm mutant with large effects on zeins accumulation and high lysi...
متن کاملStorage Protein Synthesis in Maize: III. Developmental Changes in Membrane-bound Polyribosome Composition and in Vitro Protein Synthesis of Normal and Opaque-2 Maize.
Zein synthesis accompanied an increase in large polyribosomes of maize (Zea mays) endosperm cells. The two classes of polyribosomes (free and membrane-bound) had dissimilar size class distributions. Membrane-bound polyribosomes were predominantly large size classes, which were not found in free polyribosomes. The ratio of large membrane-bound polysomes to total membrane-bound polysomes was high...
متن کاملInternal membranes in maize aleurone protein storage vacuoles: beyond autophagy.
The readers of The Plant Cell have been treated recently to a tour-de-force of electron microscopy and cell culture techniques with dazzling images of tomographic reconstructions of protein storage vacuoles (PSVs) in maize (Zea mays) aleurone cells (Reyes et al., 2011). The authors deserve congratulations. Reyes et al. (2011) present data to document that protein bodies comprised largely of alc...
متن کاملA new methionine-rich seed storage protein from maize.
The endosperm of maize (Zea mays) seeds contains severa1 classes of alcohol-soluble storage proteins called zeins, which together make up nearly 50% of the total seed protein content. The abundance of the zeins and their low content of the essential amino acid Lys is responsible for the relatively poor nutritional quality of maize protein. However, zeins rich in other nutritionally important am...
متن کاملProtein Synthesis in Maize during Anaerobic and Heat Stress.
Protein accumulation and protein synthesis were investigated during anaerobic stress and heat shock in maize seedlings (Zea mays L.). Antibodies against alcohol dehydrogenase (ADH) and cytosolic glyceraldehyde-3-phosphate dehydrogenase (GAPC) were used to investigate the expression of the genes encoding these proteins during stress treatment. ADH1 protein accumulation is shown to increase about...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1977
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.59.4.733