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Long-term monoculture reduces the symbiotic rhizobial biodiversity of peanut

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Long-term monoculture reduces the symbiotic rhizobial biodiversity of peanut
Shao, Shuai1,3; Liu, Wei1; Hu, Xiaoke1,4,5; Li, Yan1,4,5; Chen, Mingna2; Yu, Shanlin2; Liu, Wei4,5; Wang, En-Tao6
发表期刊SYSTEMATIC AND APPLIED MICROBIOLOGY
ISSN0723-2020
2020-09
卷号43期号:5页码:126101
关键词Peanut rhizobiaCommunityDiversityLong-term monocultureEffect
DOI10.1016/j.syapm.2020.126101
英文摘要Long-term monoculture (LTM) decreases the yield and quality of peanut, even resulting in changes in the microbial community. However, the effect of LTM on peanut rhizobial communities has still not been elucidated. In this study, we isolated and characterized peanut rhizobia from 6 sampling plots with different monoculture cropping durations. The community structure and diversity index for each sampling site were analyzed, and the correlations between a peanut rhizobium and soil characteristics were evaluated to clarify the effects on peanut rhizobial communities. The competitive abilities among representative strains were also analyzed. A total of 283 isolates were obtained from 6 sampling plots. Nineteen recA haplotypes were defined and were grouped into 8 genospecies of Bradyrhizobium, with B. liaoningense and B. ottawaense as the dominant groups in each sample. The diversity indexes of the rhizobial community decreased, and the dominant groups of B. liaoningense and B. ottawaense were enriched significantly with extended culture duration. Available potassium (AK), available phosphorus (AP), available nitrogen (AN), total nitrogen (TN) and organic carbon (OC) gradually increased with increasing monoculture duration. OC, TN, AP and AK were the main soil characteristics affecting the distribution of rhizobial genospecies in the samples. A competitive nodulation test indicated that B. liaoningense presented an excellent competitive ability, which was congruent with its high isolation frequency. This study revealed that soil characteristics and the competitive ability of rhizobia shape the symbiotic rhizobial community and provides information on community formation and the biogeographic properties of rhizobia. (C) 2020 Elsevier GmbH. All rights reserved.
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31600009, 31800099]; Yantai Science and Technology Project [2018ZHGY074]; Key Research and Development Program of Hebei Province [19273802D]; Jilin Province [2019SYHZ0036]; Chinese Academy of SciencesChinese Academy of Sciences [2019SYHZ0036, KFZD-SW-112]; [SIP2017259]; [20180734]
收录类别SCI
语种英语
关键词[WOS]MULTILOCUS SEQUENCE-ANALYSIS; ARACHIS-HYPOGAEA L.; GENETIC DIVERSITY; EFFECTIVE NODULES; SP NOV.; EVOLUTIONARY GENETICS; BRADYRHIZOBIA; SOIL; MICROSYMBIONTS; COMMUNITY
研究领域[WOS]Biotechnology & Applied Microbiology; Microbiology
WOS记录号WOS:000574879000010
引用统计被引频次:4[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/30487
专题海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室

作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Peoples R China;
2.Shandong Peanut Res Inst, Qingdao 266100, Peoples R China;
3.Yantai Univ, Life Sci Coll, Yantai 264005, Peoples R China;
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China;
5.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China;
6.Inst Politecn Nacl, Dept Microbiol, Escuela Nacl Ciencias Biol, Mexico City 11340, DF, Mexico

推荐引用方式
GB/T 7714Shao, Shuai,Liu, Wei,Hu, Xiaoke,et al. Long-term monoculture reduces the symbiotic rhizobial biodiversity of peanut[J]. SYSTEMATIC AND APPLIED MICROBIOLOGY,2020,43(5):126101.
APAShao, Shuai.,Liu, Wei.,Hu, Xiaoke.,Li, Yan.,Chen, Mingna.,...&Wang, En-Tao.(2020).Long-term monoculture reduces the symbiotic rhizobial biodiversity of peanut.SYSTEMATIC AND APPLIED MICROBIOLOGY,43(5),126101.
MLAShao, Shuai,et al."Long-term monoculture reduces the symbiotic rhizobial biodiversity of peanut".SYSTEMATIC AND APPLIED MICROBIOLOGY 43.5(2020):126101.


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