NDLI: Phage Diversity in a Methanogenic Digester

Content Provider	Springer Nature Link
Author	Park, M. O. Ikenaga, H. Watanabe, K.
Copyright Year	2006
Abstract	It has been shown that phages are present in natural and engineered ecosystems and influence the structure and performance of prokaryotic communities. However, little has been known about phages occurring in anaerobic ecosystems, including those in methanogenic digesters for waste treatment. This study investigated phages produced in an upflow anaerobic sludge blanket methanogenic digester treating brewery wastes. Phage-like particles (PLPs) in the influent and effluent of the digester were concentrated and purified by sequential filtration and quantified and characterized by transmission electron microscopy (TEM), fluorescence assay, and field inversion gel electrophoresis (FIGE). Results indicate that numbers of PLPs in the effluent of the digester exceeded 1 × 109 L−1 and at least 10 times greater than those in the influent, suggesting that substantial amounts of PLPs were produced in the digester. A production rate of the PLPs was estimated at least 5.2 × 107 PLPs day−1 L−1. TEM and FIGE showed that a variety of phages were produced in the digester, including those affiliated with Siphoviridae, Myoviridae, and Cystoviridae.
Starting Page	98
Ending Page	103
Page Count	6
File Format	PDF
ISSN	00953628
Journal	Microbial Ecology
Volume Number	53
Issue Number	1
e-ISSN	1432184X
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-12-22
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Nature Conservation Geoecology/Natural Processes Ecology Microbiology
Content Type	Text
Resource Type	Article
Subject	Soil Science Ecology Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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