No significant differences in rhizosphere bacterial communities between Bt maize cultivar IE09S034 and the near-isogenic non-Bt cultivar Zong31

Jingang Liang, Ying Luan, Yue Jiao, Longtao Xin, Xinyuan Song, Xiaobo Zheng and Zhengguang Zhang
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Jingang Liang: Development Center of Science and Technology, Ministry of Agriculture and Rural Affairs, Beijing, P.R. China
Ying Luan: Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, P.R. China
Yue Jiao: Development Center of Science and Technology, Ministry of Agriculture and Rural Affairs, Beijing, P.R. China
Longtao Xin: Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, P.R. China
Xinyuan Song: Agro-biotechnology Research Institute, Jilin Academy of Agriculture Sciences, Changchun, P.R. China
Xiaobo Zheng: Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, P.R. China
Zhengguang Zhang: Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, P.R. China

Plant, Soil and Environment, 2018, vol. 64, issue 9, 427-434

Abstract: The release of genetically modified (GM) crops has potential to alter the bacterial population within rhizosphere. Here, the potential effect of GM maize cv. IE09S034 containing the Cry1Ie toxin gene from Bacillus thuringiensis (Bt) was investigated under the field conditions. The community composition and the relative abundance of the bacteria in rhizosphere soil were estimated by analysing 16S rRNA PCR amplicons. Our results indicated that Bt maize IE09S034 has no significant effects on the rhizosphere bacterial community. Instead, it was found that factors such as plant growth stage and year have a stronger effect on the bacterial population dynamics. Our findings therefore provide reliable evidence supporting the potential commercial cultivation of the cv. IE09S034.

Keywords: Zea mays L.; soil microorganisms; 16S rRNA gene sequencing (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:64:y:2018:i:9:id:260-2018-pse

DOI: 10.17221/260/2018-PSE

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