Genome of a giant bacteriophage from a decaying Trichodesmium bloom

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

Research output: Contribution to journalArticlepeer-review


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
StatePublished - Jun 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 Elsevier B.V.


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

ASJC Scopus subject areas

  • Genetics
  • Aquatic Science


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