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Fontimonas thermophila gen. nov., sp nov., a moderately thermophilic bacterium isolated from a freshwater hot spring, and proposal of Solimonadaceae fam. nov to replace Sinobacteraceae Zhou et al. 2008

Artikel i vetenskaplig tidskrift
Författare N. A. Losey
B. S. Stevenson
S. Verbarg
S. Rudd
Edward R.B. Moore
P. A. Lawson
Publicerad i International Journal of Systematic and Evolutionary Microbiology
Volym 63
Sidor 254-259
ISSN 1466-5026
Publiceringsår 2013
Publicerad vid Institutionen för biomedicin, avdelningen för infektionssjukdomar
Sidor 254-259
Språk en
Länkar dx.doi.org/10.1099/ijs.0.037127-0
Ämnesord acid, hydrocarbon, patterns, culture
Ämneskategorier Mikrobiologi inom det medicinska området

Sammanfattning

A novel bacterial strain designated HA-01(T) was isolated from a freshwater terrestrial hot spring located at Hot Springs National Park, Arkansas, USA. Cells were Gram-negative-staining, rod-shaped, aerobic, chemo-organotrophic, oxidase- and catalase-positive, non-spore-forming and motile by means of a single polar flagellum. Growth occurred at 37-60 degrees C, with an optimum between 45 and 50 degrees C, and at pH 6.5-8.5, with an optimum between pH 6.5 and 7.0. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the closest relatives of strain HA-01T were Solimonas aquatica NAA-16(T) (93.8%), Solimonas flava CW-KD 4(T) (94.1 %), Solimonas soli DCY12(T) (93.1 %), Solimonas variicoloris MN28(T) (94.0 %), Nevskia ramosa Soe1(T) (91.2 WO) and Hydrocarboniphaga effusa AP103(T) (91.1 %). Major fatty acids consisted of C-16:0, iSO-C-16:0, C-16:1 omega 5c and summed feature 8 (C-18 : 1 omega 9C, C-18:1 omega 7c and C-18:1 omega 6c). Polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine, and the major isoprenoid quinone was Q-8. The DNA G+C content was 64.4 mol%. Based on phylogenetic, phenotypic and chemotaxonomic evidence, it is proposed that strain HA-01T represents a novel species in a new genus for which the name Fontimonas thermophila gen. nov., sp. nov. is proposed. The type strain of the type species is HA-01T (=DSM 23609(T)=CCUG 59713(T)). A new family, Solimonadaceae fam. nov., is also proposed to replace Sinobacteriaceae Zhou et al. 2008.

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