A single amino acid polymorphism in ABCC2 loop 1 is responsible for differential toxicity of Bacillus thuringiensis Cry1Ac toxin in different Spodoptera (Noctuidae) species

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成果类型：

期刊论文

作者：

Liu, Leilei;Chen, Zuwen;Yang, Yanchao;Xiao, Yutao;Liu, Chenxi;...

通讯作者：

Yang, Yongbo;Liu, Kaiyu;Bravo, Alejandra

作者机构：

[Yang, Yanchao; Liu, Kaiyu; Yang, Yongbo; Chen, Zuwen; Liu, Leilei; Ma, Yuemin] Cent China Normal Univ, Sch Life Sci, Inst Entomol, Wuhan 430079, Hubei, Peoples R China.

[Xiao, Yutao] Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Shenzhen 518120, Peoples R China.

[Liu, Chenxi] Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, West Yuanmingyuan Rd, Beijing 100193, Peoples R China.

[Soberon, Mario; Bravo, Alejandra] Univ Nacl Autonoma Mexico, Inst Biotecnol, Apdo Postal 510-3, Cuernavaca 62250, Morelos, Mexico.

通讯机构：

[Yang, YB; Liu, KY] C

[Bravo, Alejandra] U

Cent China Normal Univ, Sch Life Sci, Inst Entomol, Wuhan 430079, Hubei, Peoples R China.

Univ Nacl Autonoma Mexico, Inst Biotecnol, Apdo Postal 510-3, Cuernavaca 62250, Morelos, Mexico.

语种：

英文

关键词：

*ABCC2 transporter;*Bacillus thuringiensis;*Cry toxin-resistance;*Helicoverpa armigera;*Spodoptera frugiperda;*Spodoptera litura

期刊：

Insect Biochemistry and Molecular Biology

ISSN：

0965-1748

年：

2018

卷：

100

页码：

59-65

DOI：

10.1016/j.ibmb.2018.06.004

基金类别：

This work was funded by grant from National Key R&D Program of China (Grant no.: 2017YFD0200400 ).

机构署名：

本校为第一且通讯机构

院系归属：

生命科学学院

摘要：

Bacillus thuringiensis Cry toxins exert their toxicity by forming membrane pores after binding with larval midgut membrane proteins known as receptors. Spodoptera litura and Spodoptera frugiperda belong to the same genus, but S. litura is tolerant to Cry1Ac, while S. frugiperda is susceptible. The mechanism involved in the differential toxicity of Cry1Ac to these insect species is not understood. Amino acid sequences analysis of ABCC2, a well-recognized Cry1Ac receptor, from both species showed high sequence identity. Hi5 insect cells expressin...

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A single amino acid polymorphism in ABCC2 loop 1 is responsible for differential toxicity of Bacillus thuringiensis Cry1Ac toxin in different Spodoptera (Noctuidae) species

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