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本文引用的文献

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Only one catalase, katG, is detectable in Rhizobium etli, and is encoded along with the regulator OxyR on a plasmid replicon.在墨西哥根瘤菌中仅可检测到一种过氧化氢酶katG,它与调控因子OxyR一起由一个质粒复制子编码。
Microbiology (Reading). 2003 May;149(Pt 5):1165-1176. doi: 10.1099/mic.0.25909-0.
2
The oxyR from Agrobacterium tumefaciens: evaluation of its role in the regulation of catalase and peroxide responses.根癌农杆菌的氧调节蛋白R:对其在过氧化氢酶调节和过氧化物反应中作用的评估
Biochem Biophys Res Commun. 2003 Apr 25;304(1):41-7. doi: 10.1016/s0006-291x(03)00535-7.
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Expression of the bacterial catalase genes during Sinorhizobium meliloti-Medicago sativa symbiosis and their crucial role during the infection process.苜蓿中华根瘤菌与紫花苜蓿共生过程中细菌过氧化氢酶基因的表达及其在感染过程中的关键作用。
Mol Plant Microbe Interact. 2003 Mar;16(3):217-25. doi: 10.1094/MPMI.2003.16.3.217.
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Transcriptome analysis of Sinorhizobium meliloti during symbiosis.苜蓿中华根瘤菌共生期间的转录组分析
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OxyR acts as a repressor of catalase expression in Neisseria gonorrhoeae.在淋病奈瑟菌中,OxyR作为过氧化氢酶表达的阻遏物发挥作用。
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Rhizobium meliloti Genes Encoding Catabolism of Trigonelline Are Induced under Symbiotic Conditions.编码胡芦巴碱分解代谢的苜蓿根瘤菌基因在共生条件下被诱导表达。
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Identification of a family of extensin-like glycoproteins in the lumen of rhizobium-induced infection threads in pea root nodules.在豌豆根瘤中根瘤菌诱导的侵染线腔中鉴定出一类类伸展蛋白糖蛋白。
Mol Plant Microbe Interact. 2002 Apr;15(4):350-9. doi: 10.1094/MPMI.2002.15.4.350.
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Alkyl hydroperoxide reductase is the primary scavenger of endogenous hydrogen peroxide in Escherichia coli.烷基过氧化氢还原酶是大肠杆菌内源性过氧化氢的主要清除剂。
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10
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在自由生活和共生的苜蓿中华根瘤菌中,katA过氧化氢酶基因受OxyR调控。

The katA catalase gene is regulated by OxyR in both free-living and symbiotic Sinorhizobium meliloti.

作者信息

Jamet Alexandre, Kiss Ernö, Batut Jacques, Puppo Alain, Hérouart Didier

机构信息

Laboratoire Interactions Plantes-Microorganismes et Santé Végétele, UMR, INRA, Université de Nice Sophia-Antipolis, CNRS, 400 Route des Chappes, BP 167, F-06903 Sophia Antipolis Cedex, France.

出版信息

J Bacteriol. 2005 Jan;187(1):376-81. doi: 10.1128/JB.187.1.376-381.2005.

DOI:10.1128/JB.187.1.376-381.2005
PMID:15601722
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC538821/
Abstract

The characterization of an oxyR insertion mutant provides evidences that katA, which encodes the unique H2O2-inducible HPII catalase, is regulated by OxyR not only in free-living Sinorhizobium meliloti but also in symbiotic S. meliloti. Moreover, oxyR is expressed independently of exogenous H2O2 and downregulates its own expression in S. meliloti.

摘要

一个oxyR插入突变体的特性分析提供了证据,表明编码独特的H2O2诱导型HPII过氧化氢酶的katA不仅在自由生活的苜蓿中华根瘤菌中受OxyR调控,在共生的苜蓿中华根瘤菌中也受其调控。此外,oxyR在苜蓿中华根瘤菌中的表达不依赖于外源H2O2,并且会下调其自身的表达。