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between salicylic acid content, phenylalanine ammonia-lyase (PAL) activity, and resistance of barley to aphid infestation. J. Agri. Food Chem. 51 :2227–2231. Argandona V.H. Relationship

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. 50 301 320 Massala, R., Legrand, M. and Fritig, B. (1980): Effect of aminooxyacetate, a competitive inhibitor of phenylalanine ammonia-lyase, on the

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oxidative burst is neither necessary nor sufficient for hypersensitive cell death induction, phenylalanine ammonia lyase stimulation, salicylic acid accumulation or scopoletin consumption in cultured tobacco cells treated with elicitin. Plant Physiol. 121

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Gowri, G., Paiva, N. L. and Dixon, R. A. (1991): Stress responses in alfalfa ( Medicago sativa L.). 12. Sequence analysis of phenylalanine ammonia-lyase (PAL) cDNA clones and appearance of PAL transcripts in elicitor-treated cell cultures and developing

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Biotransformation of l-phenylalanine (l-1a) and five unnatural substrates (rac-1bf) by phenylalanine ammonia-lyase (PAL) was investigated in a novel microfluidic device (Magne-Chip) that comprises microliter volume reaction cells filled with PAL-coated magnetic nanoparticles (MNPs). Experiments proved the excellent reproducibility of enzymecatalyzed biotransformation in the chip and the excellent reusability of the enzyme layer during 14 h continuous measurement (>98% over 7 repetitive measurements with l-1a). The platform also enabled fully automatic multiparameter measurements with a single biocatalyst loading of about 1 mg PAL-MNP. Computational fluid dynamics (CFD) calculations were used to study the flow field in the chambers and the effect of unintended bubble formation. Optimal flow rate for l-1a reaction and specific activities for rac-1bf under these conditions were determined.

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salicylic-acid-mediated plant immunity . Nature 457 : 1154 – 1158 . Hodgins , D.S. 1971 . Yeast phenylalanine ammonia-lyase. Purification, properties, and the

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. , 63 , 2472 – 2478 . Lister , C.E. , Lancaster , J.E. & Walker , J.R.L. ( 1996 ): Phenylalanine ammonia-lyase (PAL) activity and its

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. Dickerson, D. P., Pascholati, S. F., Hagerman, A. E., Butler, L. G. and Nicholson, R. L. (1984): Phenylalanine ammonia-lyase and hydroxy cinnamate: CoA ligase in maize mesocotyls inoculated with Helminthosporium maydis or Helminthosporium carbonum

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Acta Phytopathologica et Entomologica Hungarica
Authors: A. Kamalakannan, L. Mohan, K. Kavitha, S. Harish, R. Radjacommare, S. Nakkeeran, V. K. Parthiban, R. Karuppiah, and T. Angayarkanni

. (1984): Phenylalanine ammonia-lyase and hydroxy cinnamate: CoA ligase in maize mesocotyls inoculated with Helminthosporium maydis or Helminthosporium carbonum. Physiol. Plant Pathol. 25, 111–123. Phenylalanine ammonia-lyase

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