July 7, 2019  |  

Genome sequence of the phage-gene rich marine Phaeobacter arcticus type strain DSM 23566(T.).

Authors: Freese, Heike M and Dalingault, Hajnalka and Petersen, Jörn and Pradella, Silke and Davenport, Karen and Teshima, Hazuki and Chen, Amy and Pati, Amrita and Ivanova, Natalia and Goodwin, Lynne A and Chain, Patrick and Detter, John C and Rohde, Manfred and Gronow, Sabine and Kyrpides, Nikos C and Woyke, Tanja and Brinkhoff, Thorsten and Göker, Markus and Overmann, Jörg and Klenk, Hans-Peter

Phaeobacter arcticus Zhang et al. 2008 belongs to the marine Roseobacter clade whose members are phylogenetically and physiologically diverse. In contrast to the type species of this genus, Phaeobacter gallaeciensis, which is well characterized, relatively little is known about the characteristics of P. arcticus. Here, we describe the features of this organism including the annotated high-quality draft genome sequence and highlight some particular traits. The 5,049,232 bp long genome with its 4,828 protein-coding and 81 RNA genes consists of one chromosome and five extrachromosomal elements. Prophage sequences identified via PHAST constitute nearly 5% of the bacterial chromosome and included a potential Mu-like phage as well as a gene-transfer agent (GTA). In addition, the genome of strain DSM 23566(T) encodes all of the genes necessary for assimilatory nitrate reduction. Phylogenetic analysis and intergenomic distances indicate that the classification of the species might need to be reconsidered.

Journal: Standards in genomic sciences
DOI: 10.4056/sigs.383362
Year: 2013

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