Open access
31 December 2015

Complete Genome Sequence of Streptomyces sp. Strain CCM_MD2014, Isolated from Topsoil in Woods Hole, Massachusetts


Here, we present the complete genome sequence of Streptomyces sp. strain CCM_MD2014 (phylum Actinobacteria), isolated from surface soil in Woods Hole, MA. Its single linear chromosome of 8,274,043 bp in length has a 72.13% G+C content and contains 6,948 coding sequences.


The genus Streptomyces belongs to the phylum Actinobacteria, the members of which are Gram-positive bacteria that are ubiquitous in soils and typically have a genome with a high G+C content. They are known for their capacity for secondary metabolite synthesis and expression of novel enzymes (1). The strain in this study, Streptomyces sp. CCM_MD2014, was cocultured with Curtobacterium sp. strain MR_MD2014 from topsoil around a rusty fire hydrant in Woods Hole, MA (41°31′44.65″N 70°40′21.5″W) on 7 July 2014, using isolation protocols modified from those of El-Nakeeb and Lechevalier (2). This organism was cultivated as part of the 2014 Microbial Diversity Summer Program at the Marine Biological Laboratory in Woods Hole, MA.
DNA was extracted from the coculture using the Promega Wizard genomic DNA purification kit with 1 h of lysozyme digestion. The DNA was quantified using the Promega QuantiFluor double-stranded DNA (dsDNA) system and then size selected for a minimum length of 4 kb. Size-selected DNA was sequenced on a Pacific Biosciences RSII sequencing platform with P5C3 chemistry. The sequenced fragments were assembled using HGAP3 on the SMRT Portal (3). The final assembled genome consisted of a single linear chromosome that was 8,274,043 bp long, with a 72.13% G+C content and sequencing coverage of 89×.
The genome was annotated using NCBI's Prokaryotic Genome Annotation Pipeline version 2.8 (rev. 449627) (4, 5). There were 6,948 coding sequences (CDSs), 6 rRNA operons, and 68 tRNA genes. Neither Clustered Regularly Interspaced Short Palindromic Repeats (CRISPRs) nor prophages were detected in the genome by CRISPRFinder (6) and PHAST (7), respectively. The antiSMASH pipeline (8) predicted 52 secondary metabolite biosynthetic genetic clusters in the genome, including genes for lantipeptides, terpenes, siderophores, polyketide synthases type I and II, bacteriocins, and nonribosomal peptide synthase genes. REBASE (9) identified 13 candidate methylase genes, and the following methylated motifs were found using Pacific Biosciences SMRT Portal analysis: Am6AGNNNNNNNTCCG, CATCCm6AG, CCm6AGNNNGTCG, GACGAm6AC, and GCCGGC (see organism number 13448 on REBASE website for more details). A multilocus phylogenetic analysis using rpoB, tryB, recA, gyrB, and atpD and average nucleotide identity (ANI) (10) of 93.8% indicated that Streptomyces coelicoflavus ZGO656 is the closest sequenced genome. A concatenated alignment of these genes was used for phylogenetic reconstruction.

Nucleotide sequence accession number.

The complete genome sequence of Streptomyces sp. strain CCM_MD2014 is available through GenBank under the accession number CP009754.


The isolation and culturing of this organism were carried out as part of the 2014 Microbial Diversity Summer Program at the Marine Biological Laboratory in Woods Hole, MA. The program was supported by generous grants from the Simons Foundation (grant 309981 to the Marine Biological Laboratory), the Beckman Foundation, and the Howard Hughes Medical Institute. This material is based upon work supported by the National Aeronautics and Space Administration (grant NNA13AA92A), the National Science Foundation (grant MCB-1417876), and the U.S. Department of Energy (grant DE-FG02-85ER13361). R.M.M. was supported by a fellowship from Alabama EPSCoR GRSP, Auburn University's Cell and Molecular Biosciences (CMB) Summer Fellowship, Selman A. Waksman Endowed Scholarship in Microbial Diversity, Bernard Davis Endowed Scholarship (no. 47802012050), an Auburn Graduate School Travel Award, and the Joseph Kirby Farrington Endowed Fund for Excellence. These funders had no role in the study design, data collection and interpretation, or the decision to submit the work for publication.
Promega Corporation donated the molecular reagents used in this project. The sequencing for this organism was supported and carried out by Pacific Biosciences. We thank George O’Toole, Alison Butler, Emil Ruff, Arpita Bose, Suzanne Kern, Louis Kerr, Kurt Dahlstrom, Alice Michel, and Cristian Salgado for their assistance and advice.
R.J.R. works for New England BioLabs, a company that sells research reagents, including restriction enzymes and DNA methylases, to the scientific community. J.K. and M.B. are full-time employees at Pacific Biosciences, a company that develops single-molecule real-time sequencing technologies, including the sequencing platform used in this project.
This report was prepared as an account of work sponsored by an agency of the U.S. Government. Neither the U.S. Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Any reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the U.S. Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the U.S. Government or any agency thereof.


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Information & Contributors


Published In

cover image Genome Announcements
Genome Announcements
Volume 3Number 631 December 2015
eLocator: 10.1128/genomea.01506-15


Received: 30 October 2015
Accepted: 4 November 2015
Published online: 31 December 2015



Richard M. Mariita
Department of Biological Sciences, Auburn University, Alabama, USA
Srijak Bhatnagar
Microbiology Graduate Group, University of California Davis, Davis, California, USA
Kurt Hanselmann
Department of Earth Sciences, ETH Zurich, Zürich, Switzerland
Mohammad J. Hossain
Department of Biological Sciences, Auburn University, Alabama, USA
Jonas Korlach
Pacific Biosciences, Menlo Park, California, USA
Matthew Boitano
Pacific Biosciences, Menlo Park, California, USA
Richard J. Roberts
New England BioLabs, Ipswich, Massachusetts, USA
Mark R. Liles
Department of Biological Sciences, Auburn University, Alabama, USA
Anthony G. Moss
Department of Biological Sciences, Auburn University, Alabama, USA
Jared R. Leadbetter
Linde Center for Global Environmental Science, California Institute of Technology, Pasadena, California, USA
Dianne K. Newman
Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, USA
Howard Hughes Medical Institute, Pasadena, California, USA
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, USA
Scott C. Dawson
Department of Microbiology and Molecular Genetics, University of California Davis, Davis, California, USA


Address correspondence to Scott C. Dawson, [email protected].
R.M.M. and S.B. are co-first authors.

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