Buza N L, Krinitsyna A A, Protsenko M A, Vartapetian V V
Back Institute of Biochemistry, Russian Academy of Sciences, Moscow, 119071 Russia.
Prikl Biokhim Mikrobiol. 2004 Jan-Feb;40(1):104-8.
We investigated the dynamics of the activity of the polygalacturonidase inhibitor protein (PGIP) in apple fruits of six varieties differing in ripening time and correlated it with the degree of damage by the causative agent of fruit rot, Monilia fructigena. The apple varieties studied differed significantly in PGIP activity and degree of damage by Monilia fructigena. The rate of dissemination over fruit tissues was inversely related to PGIP activity. The resistance of apples to M. fructigena increased with ripening. The simultaneous increase in PGIP activity suggests its important role in the reduction of apple damage by fruit rot.
我们研究了六个成熟时间不同的苹果品种果实中多聚半乳糖醛酸酶抑制蛋白（PGIP）的活性动态，并将其与果实腐烂病原菌——链核盘菌对果实的损害程度相关联。所研究的苹果品种在PGIP活性和链核盘菌造成的损害程度上存在显著差异。在果实组织中的传播速率与PGIP活性呈负相关。苹果对链核盘菌的抗性随成熟而增加。PGIP活性的同时增加表明其在减少苹果果实腐烂损害方面具有重要作用。
