منابع مشابه
Primary Cell Wall Metabolism during Fruit Ripening*
Fruit softening is an important part of the ripening process, and involves changes to cell turgor and primary cell wall structure. Most of the polysaccharide components of the cell wall are subjected to some degree of controlled degradation, resulting in a loosening and swelling of the wall structure, a weakening of cell wall strength, and reduced intercellular adhesion. Early ripening changes ...
متن کاملCell Wall Metabolism in Ripening Fruit (VI. Effect of the Antisense Polygalacturonase Gene on Cell Wall Changes Accompanying Ripening in Transgenic Tomatoes).
Cell walls of tomato (Lycopersicon esculentum Mill.) fruit, prepared so as to minimize residual hydrolytic activity and autolysis, exhibit increasing solubilization of pectins as ripening proceeds, and this process is not evident in fruit from transgenic plants with the antisense gene for polygalacturonase (PG). A comparison of activities of a number of possible cell wall hydrolases indicated t...
متن کاملDegradation of Cell Wall Polysaccharides during Tomato Fruit Ripening.
Changes in neutral sugar, uronic acid, and protein content of tomato (Lycopersicon esculentum Mill) cell walls during ripening were characterized. The only components to decline in amount were galactose, arabinose, and galacturonic acid. Isolated cell walls of ripening fruit contained a water-soluble polyuronide, possibly a product of in vivo polygalacturonase action. This polyuronide and the o...
متن کاملCell Wall Metabolism of Two Varieties of Ber (Ziziphus mauritiana Lam.) Fruit During Ripening
Praduman Yadav*, Sunil Kumar, Veena Jain and Sarla P. Malhotra Plant Biochemistry and Quality Control Laboratory, Directorate of Oilseeds Research, Hyderabad-500030, Andrapradesh, India Central Institute of Post Harvest Engineering and Technology, Abohar-152116, Punjab, India Plant Biochemistry and Molecular Biology Laboratory, Department of Biochemistry, CCS Haryana Agricultural University, Hi...
متن کاملCell wall metabolism during maturation, ripening and senescence of peach fruit.
Cell wall changes were examined in fruit of a melting flesh peach (Prunus persica L.) allowed to ripen on the tree. Three phases to softening were noted, the first of which began prior to the completion of flesh colour change and an increase in ethylene evolution. Softening in young mature fruit, prior to ripening, was associated with a depolymerization of matrix glycans both loosely and tightl...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1980
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.65.5.1009