期刊
APPLIED SOIL ECOLOGY
卷 134, 期 -, 页码 111-115出版社
ELSEVIER
DOI: 10.1016/j.apsoil.2018.10.016
关键词
Bacterial diversity; High throughput sequencing; Long-term fertilization; Paddy fields; Phosphorus; P limitation
类别
资金
- Basic Science Research Program of the National Research Foundation (NRF) under the Ministry of Education, Science and Technology, South Korea [2015R1A2A1A05001885]
- South Korea
The effects of phosphorus (P) availability on soil microbial community and its functional responses have not been widely explored fill date. The present study involved high throughput sequencing of 16S rRNA to investigate the bacterial community structure, size and function in long-term fertilized paddy soils that received P fertilizers (+ P) and compared with soils without P fertilizer (- P) application. Data analysis revealed that changes in P availability in the soil significantly influenced the phylogenetic composition of bacterial communities and their functional profiles. The populations of bacterial phyla Verrucomicrobia, Bacteroidetes, Acidobacteria, Chloroflexi, and Cyanobacteria were significantly induced in (- P) treatment when compared with (+ P). The bacterial genus Geobacter reported to use high-affinity P transporter during P limitation and Massilia known as a prominent P solubilizer were significantly more abundant in (- P) soils. The functional profile analysis demonstrated (- P) soils were characterized by more abundant enzymes related to P cycling. The present study enabled us to characterize the dominant indigenous microbiome of (- P) soils and also provided a better insight into the ecological and evolutionary responses of microbes in P limited soils.
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