Impact of inoculation with the phytostimulatory PGPR Azospirillum lipoferum CRT1 on the genetic structure of the rhizobacterial community of field-grown maize

被引：46

作者：

Baudoin, Ezekiel ^{[1
,2
,3
]}

Nazaret, Sylvie ^{[1
,2
,3
]}

Mougel, Christophe ^{[4
]}

Ranjard, Lionel ^{[4
]}

Moenne-Loccoz, Yvan ^{[1
,2
,3
]}

机构：

[1] Univ Lyon 1, UMR 5557, CNRS, F-69622 Villeurbanne, France

[2] Univ Lyon, F-69622 Villeurbanne, France

[3] CNRS, UMR 5557, Villeurbanne, France

[4] Univ Bourgogne, INRA, UMR Microbiol Sol & Environm, F-21065 Dijon, France

来源：

SOIL BIOLOGY & BIOCHEMISTRY | 2009年 / 41卷 / 02期

关键词：

Azospirillum; Rhizosphere; ARISA; Fingerprint; Bacterial community; Impact; RHIZOSPHERE BACTERIAL COMMUNITIES; GRADIENT GEL-ELECTROPHORESIS; DEVELOPMENTAL-STAGES; ZEA-MAYS; SOIL; BRASILENSE; PSEUDOMONAS; EXUDATION; DIVERSITY; STRAINS;

D O I：

10.1016/j.soilbio.2008.10.015

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

The phytostimulatory PGPR Azospirillum lipoferum CRT1 was inoculated to maize seeds and the impact on the genetic structure of the rhizobacterial community in the field was determined during maize growth by Automated Ribosomal Intergenic Spacer Analysis (ARISA) of rhizosphere DNA extracts. ARISA fingerprints could differ from one plant to the next as well as from one sampling to the next. Inoculation with strain CRT1 enhanced plant-to-plant variability of the ARISA fingerprints and caused a statistically significant shift in the composition of the indigenous rhizobacterial community at the first two samplings. This is the first study on the ecological impact of Azospirillum inoculation on resident bacteria done in the field and showing that this impact can last at least one month. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：409 / 413

页数：5

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