Cephaloticoccus gen. nov., a new genus of ‘Verrucomicrobia’ containing two novel species isolated from Cephalotes ant guts
Lin, Jonathan Y. and Russell, Jacob A. and Sanders, Jon G. and Wertz, John T.,, 66, 3034-3040 (2016),
doi = https://doi.org/10.1099/ijsem.0.001141,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= Two novel members of the bacterial phylum ‘ Verrucomicrobia ’, strains CAG34T and CV41T, were isolated from the guts of Cephalotes rohweri and Cephalotes varians ants, respectively. Strains CAG34T and CV41T were coccoid, Gram-stain-negative, non-motile, and formed cream-coloured colonies on trypticase soy agar. Optimum growth occurred under an atmosphere of 12–20 % O2 and 1 % CO2 for both strains, although strain CV41T could not grow without supplemental CO2. Growth was possible under NaCl concentrations of 0.5–1.5 % (w/v) and temperatures of 23–37 °C for both strains, and pH values of 6.9–7.7 for strain CAG34T and 6.9–7.3 for strain CV41T. The G+C content of the genomic DNA was 60.7 mol% for strain CAG34T and 60.5 mol% for strain CV41T. The major fatty acids for both strains were anteiso-C15 : 0, iso-C14 : 0, C16 : 0, and C16 : 1 ω5c. Based on the phylogenetic analysis of 16S rRNA gene sequences, the closest cultivated relative for both strains was the type strain of Opitutus terrae (91.8 % similarity). Hence, strains CAG34T and CV41T are considered to represent a new genus within the ‘ Verrucomicrobia' family Opitutaceae , for which we propose the name Cephaloticoccus gen. nov. Given that strains CAG34T and CV41T share 97.7 % 16S rRNA gene sequence similarity with each other and are physiologically distinct, we propose to classify the isolates as representing two novel species, Cephaloticoccus primus sp. nov. for strain CAG34T (=NCIMB 15004T =ATCC TSD-38T) and Cephaloticoccus capnophilus sp. nov. for strain CV41T (=NCIMB 15005T =ATCC TSD-39T =DSM 100879T).,
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