Rhizosphere and non-rhizosphere bacterial community composition of the wild medicinal plant <Emphasis Type="Italic">Rumex patientia</Emphasis> |
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Authors: | Xiaojuan Qi Ensi Wang Ming Xing Wei Zhao Xia Chen |
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Institution: | (1) College of Life Science, Jilin University, Changchun, 130021, People’s Republic of China;(2) College of Basic Medicine, Qiqihar Medicical University, Qiqihar, 161006, People’s Republic of China;(3) ChangBai Mountain Academy of Sciences, Antu erdao, 133613, People’s Republic of China; |
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Abstract: | To investigate bacterial communities between rhizosphere and non-rhizosphere soils of the wild medicinal plant Rumex patientia of Jilin, China, small subunit rRNAs (16S rDNA) from soil metagenome were amplified by polymerase chain reaction using primers
specific to the domain bacteria and analysed by cloning and sequencing. The relative proportion of bacterial communities in
rhizosphere soils was similar to non-rhizosphere soils in five phylogenetic groups (Proteobacteria, Actinobacteria, Acidobacteria,
Chloroflexi and Planctomycetes). But there were differences in five other phylogenetic groups (Firmicutes, Bacteroidetes,
Gemmatimonadetes, Verrucomicrobia and Unclassified bacteria). Over 97.24 % of the sequenced clones were found to be unique
to rhizosphere and non-rhizosphere soils, while 2.76 % were shared by both of them. Our results indicate that there are differences
in the composition and proportion of bacterial communities between rhizosphere and non-rhizosphere soils. Furthermore, the
unique bacterial clones between rhizosphere and non-rhizosphere soils of the wild medicinal plant R. patientia have obvious differences. |
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