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Dethiosulfovibrio Peptidovorans Type Strain (SEBR 4207T)

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Dethiosulfovibrio Peptidovorans Type Strain (SEBR 4207T) Lawrence Berkeley National Laboratory Recent Work Title Permanent draft genome sequence of Dethiosulfovibrio peptidovorans type strain (SEBR 4207). Permalink https://escholarship.org/uc/item/9xn6x2c8 Journal Standards in genomic sciences, 3(1) ISSN 1944-3277 Authors Labutti, Kurt Mayilraj, Shanmugam Clum, Alicia et al. Publication Date 2010-08-20 DOI 10.4056/sigs.1092865 Peer reviewed eScholarship.org Powered by the California Digital Library University of California Standards in Genomic Sciences (2010) 3:85-92 DOI:10.4056/sigs.1092865 Permanent draft genome sequence of Dethiosulfovibrio T peptidovorans type strain (SEBR 4207 ) Kurt LaButti1, Shanmugam Mayilraj2,7, Alicia Clum1, Susan Lucas1, Tijana Glavina Del Rio1, Matt Nolan1, Hope Tice1, Jan-Fang Cheng1, Sam Pitluck1, Konstantinos Liolios1, Natalia Ivanova1, Konstantinos Mavromatis1, Natalia Mikhailova1, Amrita Pati1, Lynne Goodwin1,3, Amy Chen4, Krishna Palaniappan4, Miriam Land1,5, Loren Hauser1,5, Yun-Juan Chang1,5, Cynthia D. Jeffries1,5, Manfred Rohde6, Stefan Spring7, Markus Göker7, Tanja Woyke1, James Bristow1, Jonathan A. Eisen1,8, Victor Markowitz4, Philip Hugenholtz1, Nikos C. Kyrpides1, Hans-Peter Klenk7*, and Alla Lapidus1 1 DOE Joint Genome Institute, Walnut Creek, California, USA 2 MTCC - Microbial Type Culture Collection, Institute of Microbial Technology, Chandigarh, India 3 Los Alamos National Laboratory, Bioscience Division, Los Alamos, New Mexico, USA 4 Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California, USA 5 Lawrence Livermore National Laboratory, Livermore, California, USA 6 HZI – Helmholtz Centre for Infection Research, Braunschweig, Germany 7 DSMZ - German Collection of Microorganisms and Cell Cultures GmbH, Braunschweig, Germany 8 University of California Davis Genome Center, Davis, California, USA *Corresponding author: Hans-Peter Klenk Keywords: anaerobic, motile, vibrio-shaped, thiosulfate-reducing, H2S producing, peptide uti- lization, Synergistaceae, Synergistetes, GEBA Dethiosulfovibrio peptidovorans Magot et al. 1997 is the type species of the genus Dethiosul- fovibrio of the family Synergistaceae in the recently created phylum Synergistetes. The strictly anaerobic, vibriod, thiosulfate-reducing bacterium utilizes peptides and amino acids, but nei- ther sugars nor fatty acids. It was isolated from an offshore oil well where it was been re- ported to be involved in pitting corrosion of mild steel. Initially, this bacterium was described as a distant relative of the genus Thermoanaerobacter, but was not assigned to a genus, it was subsequently placed into the novel phylum Synergistetes. A large number of repeats in the genome sequence prevented an economically justifiable closure of the last gaps. This is only the third published genome from a member of the phylum Synergistetes. The 2,576,359 bp long genome consists of three contigs with 2,458 protein-coding and 59 RNA genes and is part of the Genomic Encyclopedia of Bacteria and Archaea project. Introduction Strain SEBR 4207T (= DSM 11002 = JCM 15826) is vided the first experimental evidence for the in- the type strain of the species Dethiosulfovibrio volvement of microbial thiosulfate reduction in peptidovorans (‘curved rod-shaped [vibrio] bacte- the corrosion of steel (pitting corrosion). Strain rium that reduces thiosulfate devouring pep- SEBR 4207T utilizes only peptides and amino ac- tides’), which represents the type species of the ids, but no sugar or fatty acids. For the first few genus Dethiosulfovibrio [1]. D. peptidovorans strain years neither the strain nor the genus Dethiosulfo- SEBR 4207T was isolated in 1989 from an offshore vibrio could be assigned to an established higher oil well in the Congo (Brazzaville) and initially de- taxon, except that the distant relationship to the scribed by Magot et al. in 1997 [1]. The strain pro- genus Thermanaerovibrio was reported [1]. The The Genomic Standards Consortium LaButti et al. taxonomic situation of the species was only re- Synergistaceae share 83.6 to 86.6% sequence cently further enlightened, when Jumas-Bilak et al. identity [5]. There are no other cultivated strains [2] combined several genera with anaerobic, rod- that closely related. Uncultured clones with high shaped, amino acid degrading, Gram-negative bac- sequence similarity to strain SEBR 4207T were teria into the novel phylum Synergistetes [2]. The identified in a copper-polluted sediment in Chile phylum Synergistetes contains organisms isolated (clones LC6 and LC23, FJ024724 and FJ024721, from humans, animals, terrestrial and oceanic ha- 99.1%). Metagenomic surveys and environmental bitats: Thermanaerovibrio, Dethiosulfovibrio, Ami- samples based on 16S rRNA gene sequences pro- niphilus, Aminobacterium, Aminomonas, Anaeroba- vide no indication for organisms with sequence culum, Jonquetella, Synergistes and Thermovirga. similarity values above 88% to D. peptidovorans Given the novelty of the phylum it is not surpris- SEBR 4207T, indicating that members of this spe- ing that many of the type strains from these gene- cies are not abundant in habitats screened thus ra are already subject to genome sequencing far. The majority of these 16S rRNA gene se- projects. Here we present a summary classifica- quences with similarity between 88% and 93% tion and a set of features for D. peptidovorans originate from marine metagenomes (status July strain SEBR 4207T, together with the description 2010). of the genomic sequencing and annotation. Figure 1 shows the phylogenetic neighborhood of D. peptidovorans SEBR 4207T in a 16S rRNA based Classification and features tree. The five copies of the 16S rRNA gene differ The 16S rRNA genes of the four other type strains by up to one nucleotide from each other and by in the genus Dethiosulfovibrio share between eight nucleotides from the previously published 94.2% (D. salsuginis [3]) and 99.2% (D. marinus sequence generated from DSM 11002 [4]) sequence identity with strain SEBR 4207T, (DPU52817). whereas the other type strains from the family Figure 1. Phylogenetic tree highlighting the position of D. peptidovorans SEBR 4207T relative to the other type strains within the phylum Synergistetes. The tree was inferred from 1,328 aligned characters [6,7] of the 16S rRNA gene sequence under the maximum likelihood criterion [8] and rooted in accordance with the current taxonomy [9]. The branches are scaled in terms of the expected number of substitutions per site. Numbers above branches are support values from 1,000 bootstrap replicates if greater than 60%. Lineages with type strain genome sequencing projects registered in GOLD [10] are shown in blue, published genomes in bold [11,12]. http://standardsingenomics.org 86 Dethiosulfovibrio peptidovorans type strain (SEBR 4207T) Cells of D. peptidovorans SEBR 4207T stain Gram- was not able to utilize gelatine, casein, arabinose, negative [1]. Cells are vibriod with pointed or fructose, galactose, glucose, lactose, maltose, man- round ends and lateral flagella (Figure 2, flagella nose, rhamnose, ribose, sucrose, sorbose, trehalose, not visible) and a size of 3-5 by 1 µm [1] (Table 1). xylose, acetate, propionate, butyrate, citrate and Spores were not detected [1]. Optimal growth rate lactate. was observed at 42°C, pH 7.0 in 3% NaCl [1]. D. peptidovorans is capable of utilizing peptides and amino acids as a sole carbon and energy source and Genome sequencing and annotation can ferment serine and histidine. In the presence of Genome project history thiosulfate, strain SEBR 4207T is capable of utilizing This organism was selected for sequencing on the alanine, arginine, asparagines, glutamate, isoleu- basis of its phylogenetic position [17], and is part cine, leucine, methionine and valine as an electron of the Genomic Encyclopedia of Bacteria and Arc- acceptor. The strain is capable of producing acetate, haea project [18]. The genome project is depo- isobutyrate, isovalerate, 2-methylbutyrate, CO2 and sited in the Genome OnLine Database [10] and the H2 from peptides. The strain uses elemental sulfur complete genome sequence is deposited in Gen- and thiosulfate but not sulfate as electron acceptor. Bank. Sequencing, finishing and annotation were H2S is produced with a decrease in H2. Cells do not performed by the DOE Joint Genome Institute have cytochrome or desulfoviridin [1]. When yeast (JGI). A summary of the project information is extract was added as sole carbon and energy shown in Table 2. source together with trypticase, thiosulfate was used as sole electron acceptor. Strain SEBR 4207T Figure 2. Scanning electron micrograph of D. peptidovorans SEBR 4207T 87 Standards in Genomic Sciences LaButti et al. Table 1. Classification and general features of D. peptidovorans SEBR 4207T according to the MIGS recommendations [13]. MIGS ID Property Term Evidence code Domain Bacteria TAS [14] Phylum Synergistetes TAS [2] Class Synergistia TAS [2] Current classification Order Synergistales TAS [2] Family Synergistaceae TAS [2] Genus Dethiosulfovibrio TAS [1] Species Dethiosulfovibrio peptidovorans TAS [1] Type strain SEBR 4207 TAS [1] Gram stain negative TAS [1] Cell shape curved rods (vibrioid) TAS [1] Motility motile via lateral flagella TAS [1] Sporulation non-sporulating TAS [1] Temperature range mesophile, 20-45°C TAS [1] Optimum temperature 42°C TAS [1] Salinity slightly halophilic, optimum 3% NaCl TAS [1] MIGS-22 Oxygen requirement anaerobic TAS [1] Carbon source peptides and amino acids TAS [1] Energy source peptides and amino acids TAS [1] MIGS-6
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