نتایج جستجو برای: phenylalanine ammonia lyase pal

تعداد نتایج: 53088  

Journal: :Jurnal Fitopatologi 2022

Penyakit layu bakteri yang disebabkan oleh Ralstonia solanacearum merupakan salah satu penyakit penting pada tanaman eukaliptus (Eucalyptus pellita) di Indonesia. Salah pendekatan teknik pengendalian adalah melalui pemanfaatan endofit dan fungi mikoriza arbuskula (FMA). Penelitian ini ditujukan untuk mengevaluasi keefektifan FMA dalam menekan perkembangan bakteri. Terdapat sepuluh kombinasi di-...

Journal: :Plant physiology 1980
I Paradies J R Konze E F Elstner

Cell wall preparations (elicitors) from Phytophthora megasperma var. sojae increase C(2)H(4) formation, phenylalanine ammonia lyase activity, and glyceollin accumulation in soybean cotyledons within about 1.5, 3, and 6 hours after treatment, respectively. The immediate precursor of C(2)H(4), 1-aminocyclopropane-1-carboxylic acid, stimulates C(2)H(4) formation like the elicitor within 1.5 hours ...

2006
Rong - sen Shen Richard R. Fritz Creed W. Abell

Yeast phenylalanine ammonia-lyase was administered i.p. to normal and tumor-beaning mice, and its clearance from plasma was studied. Single and multiple weekly injections at dosages of 10, 20, 50, and 100 units/kg were adminis tered to C57BL female, C57BL x DBA/2 F male, and A/J female mice. L5178Y munine lymphoblastic leukemia, B16 melanoma, BW10232 adenocancinoma, and 15091A ana plastic carci...

2000
Hongqing Wang Osamu Arakawa Yoshie Motomura

The influence of maturing and ripening on phenylalanine ammonia-lyase (PAL) activity and anthocyanin accumulation was examined using bagged, non-bagged and shaded ‘Jonathan’ (Malus domestica) apples. Bagged fruit were covered with paper bags from mid-June at an early stage of fruit growth. Shaded apples were insulated from sunlight by newspaper at the beginning of colouring (middle September). ...

Journal: :Plant physiology 2000
J W Blount K L Korth S A Masoud S Rasmussen C Lamb R A Dixon

Pharmacological evidence implicates trans-cinnamic acid as a feedback modulator of the expression and enzymatic activity of the first enzyme in the phenylpropanoid pathway, L-phenylalanine ammonia-lyase (PAL). To test this hypothesis independently of methods that utilize potentially non-specific inhibitors, we generated transgenic tobacco lines with altered activity levels of the second enzyme ...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2000
F Matsuda H Miyagawa T Ueno

Potato tuber disks, when treated with laminarin, a beta-1,3-glucooligosaccharide from Laminaria digitata, accumulate a hydroxycinnamoyl amide compound, N-p-coumaroyloctopamine (p-CO). The biosynthesis of p-CO was investigated by feeding experiments, in order to show that the precursors of N-p-coumaroyl and octopamine moieties of p-CO are L-phenylalanine and L-tyrosine, respectively. The treatme...

2013
Jian Dong Cui Lian Lian Li Hong Jie Bian

A separable and highly-stable enzyme system was developed by adsorption of phenylalanine ammonia lyase (PAL) from Rhodotorula glutinis in amino-functionalized macroporous silica gel and subsequent enzyme crosslinking. This resulted in the formation of cross-linked enzyme aggregates (PAL-CLEAs) into macroporous silica gel (MSG-CLEAs). The effect of adsorptive conditions, type of aggregating agen...

Journal: :Acta biochimica Polonica 2011
Sylwia Pawlak-Sprada Magdalena Arasimowicz-Jelonek Magdalena Podgórska Joanna Deckert

Species-specific changes in expression of phenylalanine ammonia-lyase (PAL) and lignin content were detected in roots of soybean (Glycine max L.) and lupine (Lupinus luteus L.) seedlings treated with different concentrations of cadmium (Cd(2+), 0-25 mg/l) or lead (Pb(2+), 0-350 mg/l). The stimulatory effect of both metals was observed in mRNA coding for PAL in soybean. In the case of lupine, ch...

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