Arid
DOI10.1007/s11104-012-1152-4
Bacterial community in the rhizosphere of the cactus species Mammillaria carnea during dry and rainy seasons assessed by deep sequencing
Torres-Cortes, G.1; Millan, V.1; Fernandez-Gonzalez, A. J.1; Aguirre-Garrido, J. F.2; Ramirez-Saad, H. C.2; Fernandez-Lopez, M.1; Toro, N.1; Martinez-Abarca, F.1
通讯作者Martinez-Abarca, F.
来源期刊PLANT AND SOIL
ISSN0032-079X
EISSN1573-5036
出版年2012
卷号357期号:1-2页码:275-288
英文摘要

The Tehuacan-Cuitcatlan reserve is an area of unique plant biodiversity mostly in the form of xerophytes, with exceptionally high numbers of rare and endemic species. This endemism results partly from the characteristics of the climate of this area, with two distinct seasons: rainy and dry seasons. Although rhizosphere communities must be critical in the function of this ecosystem, understanding the structure of these communities is currently limited. This is the first molecular study of the microbial diversity present in the rhizosphere of Mamillaria carnea.


Total DNA was obtained from soil and rhizosphere samples at three locations in the Tehuacan Cuicatlan Reserve, during dry and rainy seasons. Temperature gradient gel electrophoresisis (TGGE) fingerprinting, 16S rRNA gene libraries and pyrosequencing were used to investigate bacterial diversity in the rhizosphere of Mammillaria carnea and changes in the microbial community between seasons.


Deep sequencing data reveal a higher level of biodiversity in the dry season. Statistical analyses based on these data indicates that the composition of the bacterial community differed between both seasons affecting to members of the phyla Acidobacteria, Cyanobacteria, Gemmatimonadetes, Plantomycetes, Actinobacteria and Firmicutes. In addition, the depth of sequencing performed (> 24,000 reads) enables detection of changes in the relative abundance of lower bacterial taxa (novel bacterial phylotypes) indicative of the increase of specific bacterial populations due to the season.


This study states the basis of the bacterial diversity in the rhizosphere of cacti in semi-arid environments and it is a sequence-based demonstration of community shifts in different seasons.


英文关键词Microbial community Soil bacteria 16S rRNA analysis Mammillaria carnea Tehuacan Cuicatlan reserve 454-pyrosequencing
类型Article
语种英语
国家Spain ; Mexico
收录类别SCI-E
WOS记录号WOS:000306552700022
WOS关键词16S RIBOSOMAL-RNA ; MICROBIAL COMMUNITY ; SOIL ; DIVERSITY ; GENE ; DNA ; CLASSIFICATION ; CYANOBACTERIA ; AMPLIFICATION ; PATTERNS
WOS类目Agronomy ; Plant Sciences ; Soil Science
WOS研究方向Agriculture ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174436
作者单位1.CSIC, Estn Expt Zaidin, Dept Microbiol & Sistemas Simbiot, Granada 18008, Spain;
2.Univ Autonoma Metropolitana, Dept Sistemas Biol, Mexico City 04960, DF, Mexico
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Torres-Cortes, G.,Millan, V.,Fernandez-Gonzalez, A. J.,et al. Bacterial community in the rhizosphere of the cactus species Mammillaria carnea during dry and rainy seasons assessed by deep sequencing[J],2012,357(1-2):275-288.
APA Torres-Cortes, G..,Millan, V..,Fernandez-Gonzalez, A. J..,Aguirre-Garrido, J. F..,Ramirez-Saad, H. C..,...&Martinez-Abarca, F..(2012).Bacterial community in the rhizosphere of the cactus species Mammillaria carnea during dry and rainy seasons assessed by deep sequencing.PLANT AND SOIL,357(1-2),275-288.
MLA Torres-Cortes, G.,et al."Bacterial community in the rhizosphere of the cactus species Mammillaria carnea during dry and rainy seasons assessed by deep sequencing".PLANT AND SOIL 357.1-2(2012):275-288.
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