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概述了植物多聚半乳糖醛酸酶(PG) 的作用方式、组织定位、序列结构及其功能等。对PG 同工酶、序列差异性及功能多样性进行了讨论。
The mode of action, tissue localization, sequence structure and function of plant polygalacturonase (PG) are summarized. PG isozymes, sequence diversity and functional diversity were discussed.