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Biodiversity and seasonal variation of the cyanobacterial assemblage in a rice paddy field in Fujian, China

文献类型: 外文期刊

作者: Song, TY 1 ; Martensson, L 2 ; Eriksson, T 2 ; Zheng, WW 2 ; Rasmussen, U 2 ;

作者机构: 1.Stockholm Univ, Dept Bot, SE-10691 Stockholm, Sweden

2.Stockholm Univ, Dept Bot, SE-10691 Stockholm, Sweden; Fujian Acad Agr Sci, Biotechnol Ctr, Fujian 350003, Peoples R China; Royal Swedish Acad Sci, Bergius Fdn, SE-10405 Stockholm, Sweden

关键词: biodiversity;cyanobacteria;paddy field soil;PCR-DGGE;16S rRNA gene;16S RIBOSOMAL-RNA;MICROBIAL DIVERSITY;MAXIMUM-LIKELIHOOD;NITROGEN-FIXATION;COLORADO PLATEAU;SOIL;COMMUNITY;BACTERIA;GENES;SUBSTITUTION

期刊名称:FEMS MICROBIOLOGY ECOLOGY ( 影响因子:4.194; 五年影响因子:5.137 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Cyanobacteria are one of the main components of the microbiota in rice paddy fields and significantly contribute to its fertilization. The diversity and changes of the cyanobacterial assemblage were investigated during a rice growth season and after harvest in a paddy field located in Fujian Province, China. The cyanobacterial populations were analyzed by a semi-nested PCR, followed by denaturing gradient gel electrophoresis analysis. Twenty-four phylotypes were identified from the denaturing gradient gel electrophoresis profiles. The number of cyanobacterial phylotypes showed a seasonal variation and reached a peak in September, both in the upper (0-5 cm) and the deeper (10-15 cm) soil fractions. Some cyanobacterial sequences were only present during the rice growth season, while others were only found after harvest. 2005 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.

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