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Identification and Functional Analysis of Carotenoid Biosynthetic Genes in the Extremely Radioresistant Bacterium Deinococcus radiodurans Genomes

文献类型： 外文期刊

作者： Yang, Qiao 1 ; Zhang, Xiaoling 2 ; Zhang, Wenjun 3 ; Zhang, Lei 4 ; Dai, Jun 4 ; Fang, Chengxiang 4 ; Jiao, Binghua 1 ;

作者机构： 1.Second Mil Med Univ, Dept Biochem & Mol Biol, Shanghai, Peoples R China

2.Chinese Acad Fishery Sci, East China Sea Fisher Res Inst, Shanghai, Peoples R China

3.Shanghai Ocean Univ, Coll Food Sci, Shanghai, Peoples R China

4.Wuhan Univ, Coll Life Sci, Wuhan, Peoples R China

关键词： Deinococcus radiodurans;carotenoid;biosynthesis genes

期刊名称：2009 3RD INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING, VOLS 1-11

ISSN：

年卷期： 2009 年

页码：

收录情况： SCI

摘要： To investigate the biosynthetic genes and the biological functions of carotenoids in the radioresistant mechanisms of the extremely radioresistant bacterium, Deinococcus radiodurans, two colorless mutants knocking out of the phytoene synthase (crtB) and phytoene desaturase (crtI) genes were constructed by PCR and in vivo homologous recombination. The carotenoids of this bacterium were extracted and analyzed by HPLC-MS technique. Comparative analysis of the sensitivities among the two colorless mutants and wild R1 showed that the two colorless mutants were more sensitive to ionizing radiation (IR) and hydrogen peroxide, indicating that the deletion of crtB and crtI genes made the mutants unable to biosynthesize the crucial intermediate lycopene and series of downstreaming carotenoids. This study has provided a new and direct evidence to explore the biosynthesis genes of carotenoids and their biological functions for the radioresistant mechanisms in the extremely radioresistant bacterium D. radiodurans.

  • 相关文献

[1]Identification and Functional Analysis of Carotenoid Biosynthetic Genes in the Extremely Radioresistant Bacterium Deinococcus radiodurans Genomes. Qiao Yang,Xiaoling Zhang,Wenjun Zhang,Lei Zhang,Jun Dai,Chengxiang Fang,Binghua Jiao. 2009

[2]Effects of Carotenoids on The Radioresistance of The Extremely Radioresistant Bacterium Deinococcus radiodurans. Yang Qiao,Jiao Bing-Hua,Yang Qiao,Zhang Lei,Dai Jun,Zhang Jun-Xiang,Zhang Xiao-Ling. 2009

[3]Correlation between lipid and carotenoid synthesis and photosynthetic capacity in Haematococcus pluvialis grown under high light and nitrogen deprivation stress. Liang, C.,Zhai, Y.,Zhang, W.,Yu, J.,Xu, D.,Ye, N.,Zhang, X.,Wang, Y.. 2015

[4]Efficacy of Alfalfa Saponins on Promoting Pigmentation by Astaxanthin in Blood Parrot Fish (Vieja synspila female x Amphilophus citrinellus male). Song, Hongmei,Wei, Minxia,Mou, Xidong,Liu, Yi,Wang, Xuejie,Liu, Chao,Hu, Yinchang. 2016

[5]Sodium taurocholate, a novel effective feed-additive for promoting absorption and pigmentation of astaxanthin in blood parrot (Cichlasoma synspilum female x Cichlasoma citrinellum male). Yang, Huiyun,Mu, Xidong,Luo, Du,Hu, Yinchang,Song, Hongmei,Liu, Chao,Luo, Jianren,Yang, Huiyun.

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