环境中污染物降解基因的水平转移(HGT)及其在生物修复中的作用

被引:7
作者
张瑞福
蒋建东
代先祝
顾立锋
李顺鹏
机构
[1] 南京农业大学农业部农业环境微生物工程重点开放实验室,南京农业大学农业部农业环境微生物工程重点开放实验室,南京农业大学农业部农业环境微生物工程重点开放实验室,南京农业大学农业部农业环境微生物工程重点开放实验室,南京农业大学农业部农业环境微生物工程重点开放实验室南京,南京,南京,南京,南京
关键词
水平基因转移; 降解基因; 降解菌; 生物修复; 有机污染物;
D O I
10.16288/j.yczz.2005.05.031
中图分类号
X50 [一般性问题];
学科分类号
071012 ; 0713 ; 083002 ;
摘要
水平基因转移是不同于垂直基因转移的遗传物质的交流方式。在污染环境这一特异生态环境中,降解基因的水平转移有着独特的功能与作用。研究环境中污染物降解基因在微生物间的水平转移,更深入地了解微生物种群适应污染环境的机理,对于评价污染物的环境毒理、生物可降解性以及污染环境的可修复潜力具有重要参考价值。在污染物生物修复实践中,可以通过调控降解基因的水平转移,增强污染环境中微生物的降解能力,更有效地发挥生物修复作用。文章将对环境中细菌间基因交流的机制,污染物降解基因的水平转移对微生物适应污染环境的机理、水平基因转移对代谢途径的进化及其对污染物生物修复作用的影响等方面的研究进展做一综述。
引用
收藏
页码:845 / 851
页数:7
相关论文
共 12 条
[1]   水平基因转移 [J].
欧剑虹 ;
谢志雄 ;
陈向东 ;
倪丽娜 ;
沈萍 .
遗传, 2003, (05) :623-627
[2]   The role of mobile genetic elements in bacterial adaptation to xenobiotic organic compounds [J].
Top, EM ;
Springael, D .
CURRENT OPINION IN BIOTECHNOLOGY, 2003, 14 (03) :262-269
[3]   Genomic islands and the evolution of catabolic pathways in bacteria [J].
van der Meer, JR ;
Sentchilo, V .
CURRENT OPINION IN BIOTECHNOLOGY, 2003, 14 (03) :248-254
[4]  
Isolation and characterisation of Nocardioides sp. SP12, an atrazine-degrading bacterial strain possessing the gene trzN from bulk- and maize rhizosphere soil[J] . S Piutti,E Semon,D Landry,A Hartmann,S Dousset,E Lichtfouse,E Topp,G Soulas,F Martin-Laurent.FEMS Microbiology Letters . 2003 (1)
[5]  
Microbial consortia that degrade 2,4-DNT by interspecies metabolism: isolation and characterisation[J] . Zita Snellinx,Safieh Taghavi,Jaco Vangronsveld,Dani?l van der Lelie.Biodegradation . 2003 (1)
[6]  
Recent developments in molecular techniques for identification and monitoring of xenobiotic-degrading bacteria and their catabolic genes in bioremediation[J] . J. Widada,H. Nojiri,T. Omori.Applied Microbiology and Biotechnology . 2002 (1-2)
[7]   Catabolic mobile genetic elements and their potential use in bioaugmentation of polluted soils and waters [J].
Top, EM ;
Springael, D ;
Boon, N .
FEMS MICROBIOLOGY ECOLOGY, 2002, 42 (02) :199-208
[8]   Dissemination of catabolic plasmids among desiccation-tolerant bacteria in soil microcosms [J].
Frederic Weekers ;
Christian Rodriguez ;
Philippe Jacques ;
Maximilien Mergeay ;
Philippe Thonart .
Applied Biochemistry and Biotechnology, 2001, 91-93 :219-232
[9]  
The Genes for Benzene Catabolism in Pseudomonas putida ML2 Are Flanked by Two Copies of the Insertion Element IS 1489, Forming a Class-I-Type Catabolic Transposon, Tn 5542[J] . Karen P.Y. Fong,Christopher B.H. Goh,Hai-Meng Tan.Plasmid . 2000 (2)
[10]  
Phylogenetic analyses indicate independent recruitment of diverse gene cassettes during assemblage of the 2,4-D catabolic pathway[J] . Tatiana Vallaeys,Laurent Courde,Catherine Mc Gowan,Alice D Wright,Roberta R Fulthorpe.FEMS Microbiology Ecology . 1999 (4)