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Bacterial colonization of a fumigated alkaline saline soil

Content Provider	Springer Nature Link
Author	Bello López, Juan M. Domínguez Mendoza, Cristina A. León Lorenzana, Arit S. Delgado Balbuena, Laura Navarro ya, Yendi E. Gómez Acata, Selene Rodríguez Valentín, Analine Ruíz Valdiviezo, Victor M. Luna Guido, Marco Verhulst, Nele Govaerts, Bram Dendooven, Luc
Copyright Year	2014
Abstract	After chloroform fumigating an arable soil, the relative abundance of phylotypes belonging to only two phyla (Actinobacteria and Firmicutes) and two orders [Actinomycetales and Bacillales (mostly Bacillus)] increased in a subsequent aerobic incubation, while it decreased for a wide range of bacterial groups. It remained to be seen if similar bacterial groups were affected when an extreme alkaline saline soil was fumigated. Soil with electrolytic conductivity between 139 and 157 dS m−1, and pH 10.0 and 10.3 was fumigated and the bacterial community structure determined after 0, 1, 5 and 10 days by analysis of the 16S rRNA gene, while an unfumigated soil served as control. The relative abundance of the Firmicutes increased in the fumigated soil (52.8 %) compared to the unfumigated soil (34.2 %), while that of the Bacteroidetes decreased from 16.2 % in the unfumigated soil to 8.8 % in the fumigated soil. Fumigation increased the relative abundance of the genus Bacillus from 14.7 % in the unfumigated soil to 25.7 %. It was found that phylotypes belonging to the Firmicutes, mostly of the genus Bacillus, were dominant in colonizing the fumigated alkaline saline as found in the arable soil, while the relative abundance of a wide range of bacterial groups decreased.
Starting Page	733
Ending Page	743
Page Count	11
File Format	PDF
ISSN	14310651
Journal	Extremophiles
Volume Number	18
Issue Number	4
e-ISSN	14334909
Language	English
Publisher	Springer Japan
Publisher Date	2014-05-21
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Alkaliphiles Systematics, ecology, phylogeny Biodiversity Ecology Halophile: ecology, biotechnology, phylogeny, genetics, taxonomy, enzymes Molecular biology Microbiology Biotechnology Biochemistry Microbial Ecology
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Medicine Microbiology

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