Transgene x environment interactions in genetically modified wheat.

PloS One
Simon L ZellerBernhard Schmid

Abstract

The introduction of transgenes into plants may cause unintended phenotypic effects which could have an impact on the plant itself and the environment. Little is published in the scientific literature about the interrelation of environmental factors and possible unintended effects in genetically modified (GM) plants. We studied transgenic bread wheat Triticum aestivum lines expressing the wheat Pm3b gene against the fungus powdery mildew Blumeria graminis f.sp. tritici. Four independent offspring pairs, each consisting of a GM line and its corresponding non-GM control line, were grown under different soil nutrient conditions and with and without fungicide treatment in the glasshouse. Furthermore, we performed a field experiment with a similar design to validate our glasshouse results. The transgene increased the resistance to powdery mildew in all environments. However, GM plants reacted sensitive to fungicide spraying in the glasshouse. Without fungicide treatment, in the glasshouse GM lines had increased vegetative biomass and seed number and a twofold yield compared with control lines. In the field these results were reversed. Fertilization generally increased GM/control differences in the glasshouse but not in the field. Two...Continue Reading

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Citations

Jan 5, 2012·PloS One·Silvan RiebenSimon L Zeller
Jan 21, 2011·Biology Letters·Simone von BurgJörg Romeis
Oct 25, 2012·Ecological Applications : a Publication of the Ecological Society of America·Simon L ZellerBernhard Schmid
Aug 27, 2011·Biochimica Et Biophysica Acta·Maria RegueraEduardo Blumwald
Dec 20, 2011·Plant Biotechnology Journal·Susanne BrunnerBeat Keller
Mar 29, 2011·Plant Biotechnology Journal·Susanne BrunnerBeat Keller
Dec 2, 2011·PloS One·Olena KalininaBernhard Schmid
Mar 12, 2019·Journal of Experimental Botany·José L ArausMarta S Lopes
Nov 9, 2018·Frontiers in Plant Science·Jianmei FuLi Zhang
Jul 28, 2020·Frontiers in Bioengineering and Biotechnology·Jianmei Fu, Biao Liu

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Datasets Mentioned

BETA
AY325736
AAC74685

Methods Mentioned

BETA
transgenic
environmental stress

Software Mentioned

GenStat

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