Chitinase, beta-1,3-glucanase, osmotin, and extensin are expressed in tobacco explants during flower formation.
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simulation and experimental studies for prediction mineral scale formation in oil field during mixing of injection and formation water
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
Preparation and purification of glucanase and chitinase from bean leaves.
Glucanase (endo-beta-1, 3-glucan 3-glucanohydrolase, EC 3.2.1.6, laminarinase, callase) and chitinase (poly-beta-1, 4-[2-acetamido-2-deoxy] -d-glucoside glycanohydrolase, EC 3.2.1.14) were extracted from ethylene-treated bean (Phaseolus vulgaris L. cv. Red Kidney) leaves and purified on hydroxyapatite and carboxymethyl Sephadex columns. The glucanase prepared was homogeneous as judged by analyt...
متن کاملbeta glucanase (bgn13.1) expressed in transgenic brassica napus confers antifungal activity against sclerotinia sclerotiorum
brassica napus is an important oilseed crop and the yield loss due to fungal disease stem rot caused by sclerotinia sclerotiorum is a serious problem in cultivation of this crop. the pathogenesis-related (pr) protein, glucanase, hydrolyzes a major cell wall component, glucan, of the pathogenic fungi and acts as a plant defense barrier. in this study, a β-1,3-glucanase (bgn13.1) gene was isolate...
متن کاملEthylene: Symptom, Not Signal for the Induction of Chitinase and beta-1,3-Glucanase in Pea Pods by Pathogens and Elicitors.
Infection of immature pea pods with Fusarium solani f.sp. phaseoli (a non-pathogen of peas) or f.sp. pisi (a pea pathogen) resulted in induction of chitinase and beta-1,3-glucanase. Within 30 hours, activities of the two enzymes increased 9-fold and 4-fold, respectively. Chitinase and beta-1,3-glucanase were also induced by autoclaved spores of the two F. solani strains and by the known elicito...
متن کاملPolar transport of 1-naphthaleneacetic Acid determines the distribution of flower buds on explants of tobacco.
Upon addition of 1-naphthaleneacetic acid (1-NAA) and benzylaminopurine, flower buds developed on explants from flower stalks of Nicotiana tabacum L. cv Samsun cultured in vitro. At low concentrations of 1-NAA, buds emerged mainly at the basal edge, whereas at high concentrations they developed on the remaining surface. The optimum concentrations for the two groups of buds were 0.45 micromolar ...
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ژورنال
عنوان ژورنال: The Plant Cell
سال: 1990
ISSN: 1040-4651,1532-298X
DOI: 10.1105/tpc.2.7.673