IR@PKUHSC  > 北京大学第一临床医学院  > 皮肤性病科
学科主题临床医学
Penicillium marneffei SKN7, a Novel Gene, could Complement the Hypersensitivity of S. cerevisiae skn7 Disruptant Strain to Oxidative Stress
Cao, Cunwei; Liu, Wei; Li, Ruoyu
关键词Penicillium Marneffei Skn7 Oxidative Stress
刊名MYCOPATHOLOGIA
2009-07-01
DOI10.1007/s11046-009-9192-x
168期:1页:23-30
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Mycology
资助者Specialized Research Fund for the Doctoral Program of Higher Education of China ; Beijing Municipal Natural Science Foundation ; Specialized Research Fund for the Doctoral Program of Higher Education of China ; Beijing Municipal Natural Science Foundation
研究领域[WOS]Mycology
关键词[WOS]PENICILLIUM-MARNEFFEI INFECTION ; SKN7 RESPONSE REGULATOR ; SACCHAROMYCES-CEREVISIAE ; CRYPTOCOCCUS-NEOFORMANS ; TRANSFORMATION ; EXPRESSION
英文摘要

Penicillium marneffei is an intracellular fungal pathogen. Being resistant to the reactive oxygen species (ROS) produced by phagocytes is a key step to the surviving of P. marneffei within the phagocytes, as well as its invasion to the host. SKN7, a transcription factor, contributes to the oxidative stress response in yeasts. We cloned the SKN7 ortholog in P. marneffei and compared its transcription on both mycelial and yeast phase, identified its function by complement the S. cerevisiae skn7 disruptant strain. The result showed the full sequence of SKN7 gene was about 2.5 kb, open reading frame extended to 1,845 bp and encoded a putative protein of 614 amino acids. Comparative analysis of the nucleotide sequence of genomic DNA and cDNA confirmed the presence of four introns and two highly conserved HSF-DNA-bind and REC domain. The deduced amino acid sequence was homologous to SKN7 from other fungi. Further, P. marneffei cDNA can partly complement S. cerevisiae skn7 disruptant strain, which was not viable in the presence of 2.5 mM H(2)O(2). The expression level of SKN7 on the two phases, however, had no difference. These results indicated that P. marneffei SKN7 could response to oxidative stress and it was not a phase-specific gene.

语种英语
所属项目编号7072081
资助者Specialized Research Fund for the Doctoral Program of Higher Education of China ; Beijing Municipal Natural Science Foundation ; Specialized Research Fund for the Doctoral Program of Higher Education of China ; Beijing Municipal Natural Science Foundation
WOS记录号WOS:000266926700003
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/50214
Collection北京大学第一临床医学院_皮肤性病科
作者单位Peking Univ, Dept Dermatol, Res Ctr Med Mycol, Hosp 1, Beijing 100034, Peoples R China
Recommended Citation
GB/T 7714
Cao, Cunwei,Liu, Wei,Li, Ruoyu. Penicillium marneffei SKN7, a Novel Gene, could Complement the Hypersensitivity of S. cerevisiae skn7 Disruptant Strain to Oxidative Stress[J]. MYCOPATHOLOGIA,2009,168(1):23-30.
APA Cao, Cunwei,Liu, Wei,&Li, Ruoyu.(2009).Penicillium marneffei SKN7, a Novel Gene, could Complement the Hypersensitivity of S. cerevisiae skn7 Disruptant Strain to Oxidative Stress.MYCOPATHOLOGIA,168(1),23-30.
MLA Cao, Cunwei,et al."Penicillium marneffei SKN7, a Novel Gene, could Complement the Hypersensitivity of S. cerevisiae skn7 Disruptant Strain to Oxidative Stress".MYCOPATHOLOGIA 168.1(2009):23-30.
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