NDLI: Diversity of Prokaryotic Community at a Shallow Marine Hydrothermal Site Elucidated by Illumina Sequencing Technology

Content Provider	Springer Nature Link
Author	Lentini, Valeria Gugliandolo, Concetta Bunk, Boyke Overmann, Jörg Maugeri, Teresa L.
Copyright Year	2014
Abstract	To investigate the prokaryotic community structure and composition in an active hydrothermal site, named Black Point, off Panarea Island (Eolian Islands, Italy), we examined sediment and fluid samples, differing in temperature, by a massive parallel sequencing (Illumina) technique targeting the V3 region of the 16S rRNA gene. The used technique enabled us to detect a greater prokaryotic diversity than that until now observed and to reveal also microorganisms occurring at very low abundance (≤0.01 %). Most of sequences were assigned to Bacteria while Archaea were a minor component of the microbial community in both low- and high-temperature samples. Proteobacteria (mainly consisting of Alpha-, Gamma-, and Epsilonproteobacteria) dominated among all samples followed by Actinobacteria and Bacteroidetes. Analyzed DNA obtained from samples taken at different temperatures indicated the presence of members of different dominant genera. The main differences were observed between sediment samples where Rhodovulum and Thiohalospira prevailed at high temperature, while Thalassomonas and Sulfurimonas at low temperature. Chlorobium, Acinetobacter, Sulfurimonas, and Brevundimonas were abundant in both low- and high-temperature fluid samples. Euryarchaeota dominated the archaeal community in all samples. Classes of Euryarchaeota embracing hyperthermophilic members (Thermococci and Thermoplasmata) and of Crenarchaeota (Thermoprotei) were more abundant in high-temperature samples. A great number of sequences referred to Bacteria and Archaea still remained unaffiliated, indicating that Black Point site represents a rich source of so-far uncharted prokaryotic diversity.
Starting Page	457
Ending Page	466
Page Count	10
File Format	PDF
ISSN	03438651
Journal	Current Microbiology
Volume Number	69
Issue Number	4
e-ISSN	14320991
Language	English
Publisher	Springer US
Publisher Date	2014-05-22
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microbiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Microbiology Applied Microbiology and Biotechnology

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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