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Study on Mechanisms of Colonization of Nitrogen-Fixing PGPB, Klebsiella pneumoniae NG14 on the Root Surface of Rice and the Formation of Biofilm
Liu, Yang1; Wang, Hui1; Sun, Xiaolu2; Yang, Hailian3; Wang, Yunshan4; Song, Wei1; Song, W
2011-04-01
Source PublicationCURRENT MICROBIOLOGY
ISSN0343-8651
Volume62Issue:4Pages:1113-1122
AbstractPlant growth-promoting bacteria (PGPB) refer to the bacteria beneficial to plants, and they may affect the growth and development of plants directly or indirectly. This article studied the activities of nitrogen fixation and colonization of a strain of PGPB, Klebsiella pneumoniae NG14, which was isolated from the rice root surface. The results showed that NG14 harbouring the nifH gene had nitrogenase activity, (15)N(2)-fixing activity, and was able to colonize on the root surface and within the cavity of root vascular tissues of rice. Using proteomics technology to study the differences and changes of membrane proteins (MP) of NG14 bacterial biofilm in non-biological surface, 28 proteins showing significant differences before and after the formation of bacterial biofilm have been identified, in which the precursors of membrane pore protein OmpC relevant to osmotic stress resistance was up-regulated. This study would have positive significance on further understanding of the direct and indirect promotion effects of PGPB and related mechanisms.
KeywordGrowth-promoting Rhizobacteria Escherichia-coli Outer-membrane Bacteria Plants Diazotrophs Identification Association Fixation Location
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s00284-010-9835-7
Indexed BySCI
Language英语
WOS KeywordGROWTH-PROMOTING RHIZOBACTERIA ; ESCHERICHIA-COLI ; OUTER-MEMBRANE ; BACTERIA ; PLANTS ; DIAZOTROPHS ; IDENTIFICATION ; ASSOCIATION ; FIXATION ; LOCATION
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000289166800004
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5059
Collection生化工程国家重点实验室
Corresponding AuthorSong, W
Affiliation1.Capital Normal Univ, Coll Life Sci, Beijing 100048, Peoples R China
2.Washington Univ, Dept Dev Biol, St Louis, MO 63110 USA
3.China Agr Univ, Coll Biol Sci, Beijing 100094, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yang,Wang, Hui,Sun, Xiaolu,et al. Study on Mechanisms of Colonization of Nitrogen-Fixing PGPB, Klebsiella pneumoniae NG14 on the Root Surface of Rice and the Formation of Biofilm[J]. CURRENT MICROBIOLOGY,2011,62(4):1113-1122.
APA Liu, Yang.,Wang, Hui.,Sun, Xiaolu.,Yang, Hailian.,Wang, Yunshan.,...&Song, W.(2011).Study on Mechanisms of Colonization of Nitrogen-Fixing PGPB, Klebsiella pneumoniae NG14 on the Root Surface of Rice and the Formation of Biofilm.CURRENT MICROBIOLOGY,62(4),1113-1122.
MLA Liu, Yang,et al."Study on Mechanisms of Colonization of Nitrogen-Fixing PGPB, Klebsiella pneumoniae NG14 on the Root Surface of Rice and the Formation of Biofilm".CURRENT MICROBIOLOGY 62.4(2011):1113-1122.
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