Cell Wall-bound Enzyme
نویسندگان
چکیده
منابع مشابه
Cell Wall-Bound Phenolics from Norway Spruce (Picea abies) Needles
Secondary products, such as phenolics, accumulate predominantly in the form of hydrophilic conjugates in the vacuoles (intraprotoplasmic storage) of plants [1—3]. Also there are many reports on their extraprotoplasmic location, e.g. as exudates [4] or cell wall components. The latter include the polymer lignin [5], as well as monomeric hydrolyzable phenolics, which are mainly hydroxycinnamic ac...
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Wheat coleoptiles have two distinct invertases, a soluble and a cell wall-bound form as indicated by results from cytochemical and biochemical studies. These enzyme activities differ in their pH optima, chromatographic behavior on diethylaminoethyl cellulose, kinetic properties, thermal stability, and response to light treatment. The soluble invertase was purified to near homogeneity by diethyl...
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T he cell wall provides mechanical support to the plant cells, and the surface wall, which is directly exposed to the extracellular environment, acts as a primary barrier against pathogen attack, mechanical injury, and other environmental stresses. Biophysical properties of the wall in conjunction with the cell turgor pressure determine the rate of cell expansion during primary growth (1). Poly...
متن کاملXyloglucan fucosyltransferase, an enzyme involved in plant cell wall biosynthesis.
Cell walls are crucial for development, signal transduction, and disease resistance in plants. Cell walls are made of cellulose, hemicelluloses, and pectins. Xyloglucan (XG), the principal load-bearing hemicellulose of dicotyledonous plants, has a terminal fucosyl residue. A 60-kilodalton fucosyltransferase (FTase) that adds this residue was purified from pea epicotyls. Peptide sequence informa...
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The localization and activity of polyamine oxidase (PAO; EC 1.5.3.3), was investigated in leaves and protoplasts of oat seedlings. Activity of the enzyme is highest with spermine as substrate; spermidine is also oxidized, but putrescine and cadaverine are unaffected by the enzyme. Protoplasts isolated following digestion of leaves with cellulase in hypertonic osmoticum showed no PAO activity, a...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1972
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.36.697