نتایج جستجو برای: high temperature induced phenylalanine ammonia lyase pal activity in petals
تعداد نتایج: 17627205 فیلتر نتایج به سال:
The mRNAs encoding two enzymes of phenylpropanoid metabolism, phenylalanine ammonia-lyase (PAL; EC 4.3.1.5) and 4-coumarate:CoA ligase (4CL; EC 6.2.1.12), were induced in cultured parsley cells (Petroselinum hortense) either by irradiation with UV light or by treatment with elicitor, a cell-wall fraction of the fungus Phytophthora megasperma f. sp. glycinea. Two-dimensional gel electrophoresis ...
The timing o f changes in the protein synthesis pattern o f elicitor-treated, [35S]methioninelabelled parsley cells ( Petroselinum crispum) was analyzed by two-dimensional gel electropho resis. Five groups were distinguished from a large number o f elicitor-responsive as well as un responsive proteins. Two groups were synthesized de novo either early or late after elicitor ap plication; two ...
UNLABELLED BACKGROUND Litchi (Litchi chinensis Sonn.) fruit are highly perishable and have a very short shelf life, easily turning brown and decaying. This study investigated the efficiency of pyrogallol, a catechin on the physiology and biochemistry in relation to storage life of litchi fruit. RESULTS Fruit were treated with pyrogallol at 1 mM and then stored at ambient temperature (25°C)...
Pot marigold (Calendula officinalis L.) is widely used due to its various biological activities to treat diseases as an analgesic, anti-diabetic, anti-ulcer and anti-inflammatory agent. To ameliorate the adverse effects of water stress on this medicinal plant, foliar application of glycine betaine (GB) and L-arginine (LA) was ...
Abstract As a famous fruit worldwide, citrus is susceptible to green mold caused by Penicillium digitatum, which causes large economic losses every year. ε-Poly-l-lysine (ε-PL) novel preservative with strong inhibitory effects on fungi, and has the capacity induce disease resistance in fruit, but mechanism been reported rarely, especially citrus. In present study, 800 μg/mL ε-PL P. digitatum sp...
The effects of polysaccharide elicitors such as chitin, pectin, and dextran on the production of phenylpropanoids (phenolics and flavonoids) and naphtodianthrones (hypericin and pseudohypericin) in Hypericum perforatum shoot cultures were studied. Nonenzymatic antioxidant properties (NEAOP) and peroxidase (POD) activity were also observed in shoot extracts. The activities of phenylalanine ammon...
Cadmium ions influence on the content of anthocyanins as non-plastid pigments and the activity of phenylalanine ammonia-lyase (EC 4.3.1.24) as primary enzyme of their biosynthesis in two lettuce varieties (Lactuca sativa L.) with different anthocyanin content was investigated. The increases in anthocyanin content and enzymatic activity of phenylalanine ammonia-lyase of both lettuce plant variet...
Phenylalanine ammonia-lyase (PAL) gene is known to be expressed in plants, and is involved in the differentiation, growth and synthesis of secondary metabolites. However, its expression in fungi remains to be explored. To understand its expression in mushroom fungi, the PAL gene of the edible mushroom Flammulina velutipes (Fvpal) was cloned and characterized. The cloned Fvpal consists of 2,175 ...
The transcript levels of six defense genes including pathogenesis-related gene 1 (PR-1), pathogenesis-related gene 2 (PR-2), pathogenesis-related gene 5 (PR-5), lipoxygenase (LOX), phenylalanine ammonia-lyase (PAL) and catalase (CAT) were investigated in tomato plants inoculated with Xanthomonas axonopodis pv. phaseoli as a non-host pathogen and X. euvesicatoria as a host pathogen. Activation o...
Tomato (Lycopersicon esculentum Mill.) is the most consumed vegetable in world after potato. In Cameroon, plant cultivated almost all agroecological areas, however, yields remain low due to attacks by various pathogens and insects. Among pathogens, Fusarium oxysporum f.sp. lycopersici (FOL) a phytopathogenic fungus responsible for wilt, disease enormous economic losses. To contribute control of...
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