THE TOXICITY OF 2 BACILLUS-THURINGIENSIS DELTA-ENDOTOXINS TO GYPSY-MOTH LARVAE IS INVERSELY RELATED TO THE AFFINITY OF BINDING-SITES ON MIDGUT BRUSH-BORDER MEMBRANES FOR THE TOXINS

被引：95

作者：

WOLFERSBERGER, MG

机构：

[1] Department of Biology, Temple University, Philadelphia, 19122, (Pennsylvania

来源：

EXPERIENTIA | 1990年 / 46卷 / 05期

关键词：

Lymantria dispar; Membrane vesicles;

D O I：

10.1007/BF01954236

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The δ-endotoxin from Bacillus thuringiensis subspecies kurstaki strain HD1-9 is almost 400 times more potent than the δ-endotoxin from strain HD-73 as a gypsy moth larvicide. The two δ-endotoxins compete for a high-affinity binding site on the brush border membrane of larval gypsy moth midguts. The affinity for the δ-endotoxin from strain HD-73 is much greater than the affinity for the δ-endotoxin from strain HD1-9. © 1990 Birkhäuser Verlag.

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页码：475 / 477

页数：3

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