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      Draft Genome Sequence of the Polysaccharide-Degrading Marine Bacterium Pseudoalteromonas sp. Strain A601

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          ABSTRACT

          Pseudoalteromonas sp. strain A601 is a marine bacterium with excellent polysaccharide-degrading capabilities. Here, we present a high-quality draft genome sequence of strain A601 with a size of approximately 4.89 Mb and a mean G+C content of 40.0%. Various putative polysaccharide-degrading genes were found in the draft genome.

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          Gene Ontology: tool for the unification of biology

          Genomic sequencing has made it clear that a large fraction of the genes specifying the core biological functions are shared by all eukaryotes. Knowledge of the biological role of such shared proteins in one organism can often be transferred to other organisms. The goal of the Gene Ontology Consortium is to produce a dynamic, controlled vocabulary that can be applied to all eukaryotes even as knowledge of gene and protein roles in cells is accumulating and changing. To this end, three independent ontologies accessible on the World-Wide Web (http://www.geneontology.org) are being constructed: biological process, molecular function and cellular component.
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            Marine Pseudoalteromonas species are associated with higher organisms and produce biologically active extracellular agents.

            The newly established genus Pseudoalteromonas contains numerous marine species which synthesize biologically active molecules. The production of a range of compounds which are active against a variety of target organisms appears to be a unique characteristic for this genus and may greatly benefit Pseudoalteromonas cells in their competition for nutrients and colonization of surfaces. Species of Pseudoalteromonas are generally found in association with marine eukaryotes and display anti-bacterial, bacteriolytic, agarolytic and algicidal activities. Moreover, several Pseudoalteromonas isolates specifically prevent the settlement of common fouling organisms. While a wide range of inhibitory extracellular agents are produced, compounds promoting the survival of other marine organisms living in the vicinity of Pseudoalteromonas species have also been found.
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              Phylogenetic analysis of the genera Alteromonas, Shewanella, and Moritella using genes coding for small-subunit rRNA sequences and division of the genus Alteromonas into two genera, Alteromonas (emended) and Pseudoalteromonas gen. nov., and proposal of twelve new species combinations.

              Small-subunit ribosomal DNA sequences were determined for 17 strains belonging to the genera Alteromonas, Shewanella, Vibrio, and Pseudomonas, and these sequences were analyzed by phylogenetic methods. The resulting data confirmed the existence of the genera Shewanella and Moritella, but suggested that the genus Alteromonas should be split into two genera. We propose that a new genus, the genus Pseudoalteromonas, should be created to accommodate 11 species that were previously Alteromonas species, including Pseudoalteromonas atlantica comb. nov., Pseudoalteromonas aurantia comb. nov., Pseudoalteromonas carrageenovoa comb. nov., Pseudoalteromonas citrea comb. nov., Pseudoalteromonas denitrificans comb. nov., Pseudoalteromonas espejiana comb. nov., Pseudoalteromonas haloplanktis comb. nov. (with two subspecies, Pseudoalteromonas haloplanktis subsp. haloplanktis comb. nov. and Pseudoalteromonas haloplanktis subsp. tetraodonis comb. nov.), Pseudoalteromonas luteoviolacea comb. nov., Pseudoalteromonas nigrifaciens comb. nov., Pseudoalteromonas rubra comb. nov., and Pseudoalteromonas undina comb, nov., and one species that previously was placed in the genus Pseudomonas, Pseudoalteromonas piscicida comb. nov. We propose that P. haloplanktis (type strain, ATCC 14393) should be the type species of the genus Pseudoalteromonas. At this time the emended genus Alteromonas is restricted to a single species, Alteromonas macleodii.
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                Author and article information

                Journal
                Genome Announc
                Genome Announc
                ga
                ga
                GA
                Genome Announcements
                American Society for Microbiology (1752 N St., N.W., Washington, DC )
                2169-8287
                20 July 2017
                July 2017
                : 5
                : 29
                : e00590-17
                Affiliations
                [a ]School of Life Science and Biotechnology, Mianyang Normal University, Mianyang, China
                [b ]National Glycoengineering Research Center, Shandong University, Jinan, China
                [c ]Department of Food Science and Engineering, Shandong Agriculture and Engineering University, Jinan, China
                Author notes
                Address correspondence to Fuchuan Li, fuchuanli@ 123456sdu.edu.cn .
                Article
                genomeA00590-17
                10.1128/genomeA.00590-17
                5522927
                28729260
                9ab40761-0d09-4c8b-94b8-af74c01a0dae
                Copyright © 2017 Li et al.

                This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

                History
                : 17 May 2017
                : 8 June 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 12, Pages: 2, Words: 1176
                Funding
                Funded by: National Natural Science Foundation of China (NSFC) https://doi.org/10.13039/501100001809
                Award ID: 31300664
                Award Recipient : Wenjun Han
                Funded by: National Natural Science Foundation of China (NSFC) https://doi.org/10.13039/501100001809
                Award ID: 31570071
                Award Recipient : Fuchuan Li
                Categories
                Prokaryotes
                Custom metadata
                July 2017

                Genetics
                Genetics

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