期刊
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
卷 34, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/s11274-018-2417-8
关键词
Microbial community; Long-term petroleum-contaminated soil; Hydrocarbon degradation; Gellan gum; Bioremediation
资金
- National Science Foundation of China [41530318]
- Research Foundation of Shanghai [15JC1401400]
- Fundamental Research Funds for the Central Universities of China [222201717017]
Bacterial community and diversity in a long-term petroleum-contaminated soil of an oilfield were characterized using 16S rRNA gene-based Illumina MiSeq high-throughput sequencing. Results indicated that Proteobacteria (49.11%) and Actinobacteria (24.24%) were the most dominant phyla, and the most abundant genera were Pseudoxanthomonas (8.47%), Luteimonas (3.64%), Alkanindiges (9.76%), Acinetobacter (5.26%) and Agromyces (8.56%) in the soil. Meanwhile a series of cultivations were carried out for isolation of alkane degraders from petroleum-contaminated soil with gellan gum and agar as gelling agents. And the isolates were classified by their 16S rRNA genes. Nine of the isolates including Enterobacter, Pseudomonas, Acinetobacter, Rhizobium, Bacillus, Sphingomonas, Paenibacillus, Variovorax and Rhodococcus showed strong biodegradability of alkane mixture (C9-C30) in a wide range of chain-length, which could be potentially applied in enhancement of bioremediation.
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