Predatory Organisms with Untapped Biosynthetic Potential: Descriptions of Novel Corallococcus Species C. aberystwythensis sp. nov., C. carmarthensis sp. nov., C. exercitus sp. nov., C. interemptor sp. nov., C. llansteffanensis sp. nov., C. praedator sp. nov., C. sicarius sp. nov., and C. terminator sp. nov.

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Author
Livingstone, Paul
Ingleby, Oliver
Girdwood, Susan
Cookson, Alan
Morphew, Russell
Whitworth, David
Date
2020-01-07
Acceptance date
2019-10-27
Type
Article
Publisher
American Society for Microbiology
ISSN
1098-5336
Embargoed until
2020-07-07
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Abstract
Corallococcus spp. are common soil-dwelling organisms which kill and consume prey microbes through the secretion of antimicrobial substances. Two species of Corallococcus have been described previously (Corallococcus coralloides and Corallococcus exiguus). A polyphasic approach was taken to characterise antimicrobial, biochemical and phenotypic properties of eight Corallococcus spp. strains and the two type strains. We also report here the genome sequence of the C. exiguus type strain (DSM 14696T). The genomes of the eight candidate strains, C. exiguus DSM 14696T and C. coralloides DSM 2259T, had an average nucleotide identity below 95% and digital DNA-DNA hybridisation scores less than the 70% lower bound for species identity, indicating they belong to distinct species. All ten strains, including the two type strains, were thoroughly characterised, including biochemical analysis of their fatty acid methyl esters, substrate utilisation and sugar assimilation. Each strain gave a distinct profile of properties, which together with their genomic differences supports the proposal of the eight candidate strains as novel species: Corallococcus exercitus sp. nov. (AB043AT = DSM 108849T = NBRC 113887T), Corallococcus interemptor sp. nov. (AB047AT = DSM 108843T = NBRC 113888T), Corallococcus aberystwythensis sp. nov. (AB050AT = DSM 108846T = NBRC 114019T), Corallococcus praedator sp. nov. (CA031BT = DSM 108841T = NBRC 113889T), Corallococcus sicarius sp. nov. (CA040BT = DSM 108850T = NBRC 113890T), Corallococcus carmarthenensis sp. nov. (CA043DT = DSM 108842T = NBRC 113891T), Corallococcus llansteffanensis sp. nov. (CA051BT = DSM 108844T = NBRC 114100T) and Corallococcus terminator sp. nov. (CA054AT = DSM 108848T = NBRC 113892T).
Journal/conference proceeding
Applied and Environmental Microbiology;
Citation
Livingstone, P.G., Ingleby, O., Girdwood, S., Cookson, A.R., Morphew, R.M. and Whitworth, D.E. (2020) 'Predatory Organisms with Untapped Biosynthetic Potential: Descriptions of Novel Corallococcus Species C. aberystwythensis sp. nov., C. carmarthensis sp. nov., C. exercitus sp. nov., C. interemptor sp. nov., C. llansteffanensis sp. nov., C. praedator sp. nov., C. sicarius sp. nov., and C. terminator sp. nov.' Applied and Environmental Microbiology, 86(2). DOI: 10.1128/AEM.01931-19.
URI
http://hdl.handle.net/10369/10927
DOI
https://doi.org/10 .1128/AEM.01931-19
Description
Article published in Applied and Environmental Microbiology on 07 January 2020, available at: https://doi.org/10.1128/AEM.01931-19.
Rights
http://www.rioxx.net/licenses/all-rights-reserved
Sponsorship
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
Genome sequencing was provided by MicrobesNG, which is supported by the Biotechnology and Biological Sciences Research Council (BBSRC grant no. BB/L024209/ 1). IBERS receives strategic funding from the BBSRC.
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