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Metallococcus carri gen. nov., sp. nov., a novel member of the family Dermacoccaceae isolated from an automotive air conditioning system

Strain designated DB0510 T was isolated from an automobile evaporator core collected in Korea. Cells are gram-stain-positive, aerobic, and coccoid. The strain grew at 15–45 ℃, pH 5.0–8.5 and 0–8.0% (w/v) NaCl. Growth occurs on R2A, trypticase soy agar, Luria–Bertani agar, and nutrient agar. Phylogen...

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Bibliographic Details
Published in:Archives of microbiology 2021-09, Vol.203 (7), p.4073-4079
Main Authors: Lim, Jong Sung, Lee, Hyosun, Son, Jigwan, Kim, Song-Gun, Kim, Dong-Uk, Ka, Jong-Ok
Format: Article
Language:English
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Summary:Strain designated DB0510 T was isolated from an automobile evaporator core collected in Korea. Cells are gram-stain-positive, aerobic, and coccoid. The strain grew at 15–45 ℃, pH 5.0–8.5 and 0–8.0% (w/v) NaCl. Growth occurs on R2A, trypticase soy agar, Luria–Bertani agar, and nutrient agar. Phylogenetic analysis showed that the strain belongs to the family Dermacoccaceae and strain DB0510 T was distinctly separated from validly named genera of this family. Signature nucleotides in 16S rRNA gene sequence revealed that the strain contained the Dermacoccaceae family-specific 16S rRNA signature nucleotides patterns. The major fatty acids were C 17:0 and C 17:1 cis-9. The only menaquinone was MK-8 (H 4 ). The polar lipids were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannoside, and two unidentified lipids. The diagnostic cell-wall amino acid at position 3 of the peptide subunit was found to be lysine. The cell-wall peptidoglycan contained alanine, aspartic acid, glutamic acid, glycine, lysine, and serine and thus the peptidoglycan type was concluded to be of A4α type with Lys-Gly-Ser-Asp interpeptide bridge. The genome size was 3.49 Mbp and G + C content of the genome DNA was 69.4 mol%. On the basis of the phenotypic, genomic, and chemotaxonomic characteristics, strain DB0510 T is considered to represent a novel genus and species within the family Dermacoccaceae , for which the name Metallococcus carri gen. nov., sp. nov. is proposed. The type strain of Metallococcus carri is DB0510 T (= KACC 19663  T  = NBRC 113349  T ).
ISSN:0302-8933
1432-072X
DOI:10.1007/s00203-021-02386-4