干旱区生态环境知识资源中心(Arid): Effects of Irrigation on Alkane Biodegradation of Oil-Contaminated Desert Soils

Arid

DOI	10.1007/s40710-018-0325-4
	Effects of Irrigation on Alkane Biodegradation of Oil-Contaminated Desert Soils
	Muthukrishnan, Thirumahal; Abed, Raeid M. M.
通讯作者	Abed, RMM
来源期刊	ENVIRONMENTAL PROCESSES-AN INTERNATIONAL JOURNAL
ISSN	2198-7491
EISSN	2198-7505
出版年	2018
卷号	5 期号:3 页码:631-648
英文摘要	Biodegradation in oil-contaminated desert soils can be limited by the lack of nutrients and/or water. We investigated the effect of irrigation, using nutrient-free and -amended distilled water, sewage water and seawater on alkane degradation rates in an oil-contaminated desert soil. Nutrient-amended soils exhibited the highest alkane degradation rate (74%). MiSeq sequencing of nutrient-amended soils revealed the dominance of Gammaproteobacteria, with most sequences belonging to Sphingomonas. From this soil, 50% of the isolated alkane-degrading strains belonged to Pseudomonas. Sewage-treated soils showed the most prominent bacterial community shift in favor of Firmicutes. Bacterial diversity suggested the introduction of microorganisms from sewage water and the development of anoxic conditions. Seawater-treated soils exhibited the lowest degradation rates (11%), owing to the increase in soil salinity, although known alkane-degrading bacteria like Alcanivorax and Sphingomonas were detectable. We conclude that not mere irrigation but irrigation with nutrients significantly enhances biodegradation rates in oil-contaminated desert soils.
英文关键词	Desert soils Biodegradation Irrigation Nutrients Sewage water Illumina MiSeq
类型	Article
语种	英语
收录类别	ESCI
WOS记录号	WOS:000442002700011
WOS关键词	HYDROCARBON-DEGRADING BACTERIA ; BIOREMEDIATION NATURAL ATTENUATION ; POLYCYCLIC AROMATIC-HYDROCARBONS ; MICROBIAL COMMUNITY STRUCTURE ; SULTANATE-OF-OMAN ; PETROLEUM-HYDROCARBONS ; CRUDE-OIL ; PSEUDOMONAS-STUTZERI ; RESPIRATION ACTIVITIES ; POLLUTED SOIL
WOS类目	Engineering, Environmental
WOS研究方向	Engineering
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/332951
作者单位	[Muthukrishnan, Thirumahal; Abed, Raeid M. M.] Sultan Qaboos Univ, Coll Sci, Dept Biol, POB 36, Muscat 123, Oman
推荐引用方式 GB/T 7714	Muthukrishnan, Thirumahal,Abed, Raeid M. M.. Effects of Irrigation on Alkane Biodegradation of Oil-Contaminated Desert Soils[J],2018,5(3):631-648.
APA	Muthukrishnan, Thirumahal,&Abed, Raeid M. M..(2018).Effects of Irrigation on Alkane Biodegradation of Oil-Contaminated Desert Soils.ENVIRONMENTAL PROCESSES-AN INTERNATIONAL JOURNAL,5(3),631-648.
MLA	Muthukrishnan, Thirumahal,et al."Effects of Irrigation on Alkane Biodegradation of Oil-Contaminated Desert Soils".ENVIRONMENTAL PROCESSES-AN INTERNATIONAL JOURNAL 5.3(2018):631-648.