NDLI: A multi-year assessment of the environmental impact of transgenic Eucalyptus trees harboring a bacterial choline oxidase gene on biomass, precinct vegetation and the microbial community

Content Provider	Springer Nature Link
Author	Oguchi, Taichi Kashimura, Yuko Mimura, Makiko Yu, Xiang Matsunaga, Etsuko Nanto, Kazuya Shimada, Teruhisa Kikuchi, Akira Watanabe, Kazuo N.
Copyright Year	2014
Abstract	A 4-year field trial for the salt tolerant Eucalyptus globulus Labill. harboring the choline oxidase (codA) gene derived from the halobacterium Arthrobacter globiformis was conducted to assess the impact of transgenic versus non-transgenic trees on biomass production, the adjacent soil microbial communities and vegetation by monitoring growth parameters, seasonal changes in soil microbes and the allelopathic activity of leaves. Three independently-derived lines of transgenic E. globulus were compared with three independent non-transgenic lines including two elite clones. No significant differences in biomass production were detected between transgenic lines and non-transgenic controls derived from same seed bulk, while differences were seen compared to two elite clones. Significant differences in the number of soil microbes present were also detected at different sampling times but not between transgenic and non-transgenic lines. The allelopathic activity of leaves from both transgenic and non-transgenic lines also varied significantly with sampling time, but the allelopathic activity of leaves from transgenic lines did not differ significantly from those from non-transgenic lines. These results indicate that, for the observed variables, the impact on the environment of codA-transgenic E. globulus did not differ significantly from that of the non-transformed controls on this field trial.
Starting Page	767
Ending Page	777
Page Count	11
File Format	PDF
ISSN	09628819
Journal	Transgenic Research
Volume Number	23
Issue Number	5
e-ISSN	15739368
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-06-14
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Eucalyptus Field trial Environmental risk assessment (ERA) Choline oxidase (codA) Biomass Molecular Medicine Plant Genetics & Genomics Animal Genetics and Genomics Plant Sciences Transgenics
Content Type	Text
Resource Type	Article
Subject	Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science

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