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RNA-seq reveals mechanisms of SlMX1 for enhanced carotenoids and terpenoids accumulation along with stress resistance in tomato

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Science Bulletin 2017年第7期62卷 476-485页

作者： mohamed ewas Yangqiang Gao Farhan Ali Elsayed M. Nishawy Raheel Shahzad Hizar Subthain mohamed Amar Cathie Martin Jie Luo National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan) College of Life Sdence and Technology Huazhong Agricultural University Wuhan 430070 China Egyptian Deserts Gene Bank (EDGB) Genetic Resources Department Cairo Egypt Deserts Research Center (DRC) Cairo Egypt John lnnes Centre Norwich Research Park Colney Norwich NR4 7UH UK

Improving nutritional fruit quality and impacts important agro-traits such as biotic or abiotic stresses are extremely important for human *** previous study reported that manipulation of Sl MX1 gene enhanced carotenoids accumulation and drought resistance in ***,RNA-Seq analysis proved to be a very useful tool to provide insights into the regulatory mechanisms of Sl MX1 involved in stress resistance and enhanced secondary *** analysis showed that overexpression of Sl MX1 results in substantially increased broad-spectrum tolerance to a wide-range of abiotic and biotic(fungus,bacteria,virus and insects) stresses in *** research appears to be of remarkable interest because enhanced terpenoids content has been achieved by increasing trichome *** addition,we reported two types of trichome which seems to be aberrant types in *** study unravels the mechanism of regulation of Sl MX1,which simultaneously modulates resistance and metabolic processes through regulating key structural and regulatory genes of the corresponding pathways.

关键词： Tomato SlMX1 Resistance Carotenoids Terpenoids Mechanism RNA Seq

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Manipulation of SlMXl for enhanced carotenoids accumulation and drought resistance in tomato

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Science Bulletin 2016年第18期61卷 1413-1418页

作者： mohamed ewas Yanqiang Gao Shouchuang Wang Xianqing Liu Hongyan Zhang Elsayed M. E. Nishawy Farhan Aii Raheel Shahzad Khurram Ziaf Hizar Subthain Cathie Martin Jie Luo National Key Laboratory of Crop Genetic Improvement andNational Center of Plant Gene Research (Wuhan) Huazhong Agricultural University Wuhan 430070 China College of Life Science and Technology Huazhong Agricultural University Wuhan 430070 China Key Laboratory of Horticultural Plant Biology Ministry of Education Huazhong Agricultural University Wuhan 430070China John Innes Centre Norwich Research Park Colney Norwich NR4 7UH UK

Plants are the ultimate source of nutrients in the human diet. To ensure adequate availability of high quality food for an increasing world population, traits including improved tolerance of stresses and nutrient levels need to be selected in crops, both individually and in combination. Here we report the identification of SIMX1 encoding a MIXTA-like MYB transcription factor in tomato that simultaneously modulates drought resistance and metabolic processes through regulating key structural and regulatory genes of the corre- sponding pathways. Over-expression of SIMX1 results in substantially increased drought tolerance and improved fruit quality, while knocking down SIMX1 resulted in the opposite phenotypes. Our study indicates an effective way with multiplebeneficial traits by genetic engineering of a single regulatory gene and can be a novel approach to breeding crops.

关键词： Tomato Trichome SlMXI . Abioticstress Nutrient level

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