Genome of a giant bacteriophage from a decaying Trichodesmium bloom

Ulrike Pfreundt, Dina Spungin, Shengwei Hou, Björn Voß, Ilana Berman-Frank, Wolfgang R. Hess

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6 Scopus citations

Abstract

De-novo assembly of a metagenomic dataset obtained from a decaying cyanobacterial Trichodesmium bloom from the New Caledonian lagoon resulted in a complete giant phage genome of 257,908 bp, obtained independently with multiple assembly tools. Noteworthy, gammaproteobacteria were an abundant fraction in the sequenced samples. Mapping of the raw reads with 99% accuracy to the giant phage genome resulted in an average coverage of 262X. The closest sequenced relatives, albeit still distant, are the Pseudomonas phages PaBG from Lake Baikal and Lu11 isolated from a soil sample from the Philippines. The phage reported here might belong to the same family within the Myoviridae as PaBG and Lu11 and would thus be its first marine member, indicating a more widespread occurrence of this group. We named this phage NCTB (New Caledonia Trichodesmium Bloom) after its origin.

Original languageEnglish
Pages (from-to)21-25
Number of pages5
JournalMarine Genomics
Volume33
DOIs
StatePublished - Jun 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier B.V.

Funding

This work was supported by the German-Israeli Research Foundation, project number 1133-13.8/2011 to WRH and IBF, by the EU project MaCuMBA (Marine Microorganisms: Cultivation Methods for Improving their Biotechnological Applications; grant agreement no: 311975) to WRH and by a China Scholarship Council grant no 201304910322 to SWH. We thank Tobias Wieland for preliminary data analysis and Damir Stazic for helpful Python scripts.

FundersFunder number
European Commission311975
German-Israeli Foundation for Scientific Research and Development1133-13.8/2011
China Scholarship Council201304910322

    Keywords

    • Giant phage
    • Marine cyanobacteria
    • Metagenomics
    • Microbial community
    • Viral genome

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