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土壤、根际和根表微生物群落随作物种类、土壤类型及作物生长发育的变化。

Variation of microbial communities in soil, rhizosphere, and rhizoplane in response to crop species, soil type, and crop development.

作者信息

Wieland G, Neumann R, Backhaus H

机构信息

Federal Biological Research Centre for Agriculture and Forestry, Institute for Plant Virology, Microbiology and Biosafety, Braunschweig, Germany.

出版信息

Appl Environ Microbiol. 2001 Dec;67(12):5849-54. doi: 10.1128/AEM.67.12.5849-5854.2001.

Abstract

We investigated the influence of plant species, soil type, and plant development time on the shaping of microbial communities in soil and in association with roots. The sample group consisted of a total of 32 microcosms in three habitats: soil, rhizosphere, and rhizoplane. Communities were represented by the patterns of a sequence-specific separation of rRNA target sequences. Effects of experimental parameters were classified by a cluster analysis of pattern similarities. The type of plant species (clover, bean, or alfalfa) had the greatest effect in plant-associated habitats and also affected soil patterns. Plant development had a minor habitat-dependent effect that was partly obscured by replicate variation. The results stress the applicability of biased community representations in an analysis of induced variation.

摘要

我们研究了植物种类、土壤类型和植物发育时间对土壤及根际微生物群落形成的影响。样本组共有32个微观世界,分布在三个生境中:土壤、根际和根表。群落通过rRNA靶序列的序列特异性分离模式来表示。通过模式相似性的聚类分析对实验参数的影响进行分类。植物种类(三叶草、豆类或苜蓿)在与植物相关的生境中影响最大,也影响土壤模式。植物发育对生境的依赖性较小,部分被重复变异所掩盖。结果强调了有偏差的群落表示法在诱导变异分析中的适用性。

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