黄花叶病毒对抗感绿豆叶片多酚代谢的影响

Biochemie und Physiologie der Pflanzen Pub Date : 1993-04-01 DOI:10.1016/S0015-3796(11)80145-9

B.S. Sohal , K.L. Bajaj

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引用次数: 2

摘要

绿豆黄花叶病毒(MYMV)抗性品种(ML-267)和易感品种(ML-5)叶片的生化变化表明，MYMV感染导致两种品种的总糖、游离氨基酸、总酚含量升高，而邻二羟基酚和黄酮醇含量仅在抗性品种中高于健康品种。抗病品种多酚氧化酶活性升高，易感品种多酚氧化酶活性降低。两品种的苯丙氨酸解氨酶、酪氨酸解氨酶和过氧化物酶活性均随MYMV感染而降低。

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Effects of Yellow Mosaic Virus on Polyphenol Metabolism in Resistant and Susceptible Mungbean (Vigna radiata L. Wilczek) Leaves

Biochemical changes in the leaves of mungbean yellow mosaic virus (MYMV) resistant (ML-267) and suceptible (ML-5) varieties have indicated that the MYMV infection results in malfunctioning of polyphenol metabolism by increasing total sugars, free amino acids, total phenols in both the varieties, whereas ortho-dihydroxy phenol and flavonols only in the resistant variety as compared to their respective healthy ones. Polyphenol oxidase activity increased in resistant variety wheras it decreased in susceptible one with infection. Phenylalanine ammonia-lyase, tyrosine ammonia-lyase, and peroxidase activity decreased with MYMV infection in both the varieties.

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