Meiothermus rufus sp. nov., a new slightly thermophilic red-pigmented species and emended description of the genus Meiothermus

Albuquerque, Luciana; Ferreira, Catarina; Tomaz, David; Tiago, Igor; Veríssimo, António; Costa, Milton S. da; Nobre, M. Fernanda

doi:10.1016/j.syapm.2009.05.002

Cited by 40 publications

(31 citation statements)

References 23 publications

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“…No growth occurs on minimal medium supplemented with 0.25% (wt/vol) D-glucose, 0.05% (wt/vol) yeast extract and one of the following nitrogen sources at a concentration of 0.1% (wt/vol): L-alanine, glycine, L-asparagine, L-tyrosine, L-glutamate, ammonium sulfate, nitrate, or urea. Further lists of carbon source utilization, which differ in part from the above list, are published elsewhere [7,10-12]. Nitrates are not reduced and milk is not peptonized [5], but M. ruber strain 21 T is positive for catalase and oxidase [10].…”

Section: Classification and Featuresmentioning

confidence: 99%

“…Nitrates are not reduced and milk is not peptonized [5], but M. ruber strain 21 T is positive for catalase and oxidase [10]. The most comprehensive and updated list of physiological properties is probably given by Albuquerque et al [7]. …”

Section: Classification and Featuresmentioning

confidence: 99%

“…Other fatty acid values are below 2%, including 3-OH branched chain fatty acids. The values vary slightly between the different studies [7,9,11,12,37]. Detailed structural studies suggest that long chain diols may be present in small amounts, substituting for the 1-acyl- sn -glycerol [38].…”

Section: Classification and Featuresmentioning

confidence: 99%

“…The species epithet derives from the Latin word ‘ruber’ meaning red, to indicate the red cell pigmentation [5,6]. Members of the genus Meiothermus were isolated from natural hot springs and artificial thermal environments [1] in Russia [5], Central France [7], both Northern and Central Portugal [8,9], North-Eastern China [10], Northern Taiwan [11] and Iceland [12]. Interestingly, the genus Meiothermus is heterogeneous with respect to pigmentation.…”

Section: Introductionmentioning

confidence: 99%

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Complete genome sequence of Meiothermus ruber type strain (21T)

Tindall

Sikorski

Lucas

et al. 2010

Stand. Genomic Sci.

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Meiothermus ruber (Loginova et al. 1984) Nobre et al. 1996 is the type species of the genus Meiothermus. This thermophilic genus is of special interest, as its members share relatively low degrees of 16S rRNA gene sequence similarity and constitute a separate evolutionary lineage from members of the genus Thermus, from which they can generally be distinguished by their slightly lower temperature optima. The temperature related split is in accordance with the chemotaxonomic feature of the polar lipids. M. ruber is a representative of the low-temperature group. This is the first completed genome sequence of the genus Meiothermus and only the third genome sequence to be published from a member of the family Thermaceae. The 3,097,457 bp long genome with its 3,052 protein-coding and 53 RNA genes is a part of the Genomic Encyclopedia of Bacteria and Archaea project.

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Section: Classification and Featuresmentioning

confidence: 99%

Section: Classification and Featuresmentioning

confidence: 99%

Section: Classification and Featuresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Complete genome sequence of Meiothermus ruber type strain (21T)

Tindall

Sikorski

Lucas

et al. 2010

Stand. Genomic Sci.

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“…Members of the genus Meiothermus have been isolated from natural hot springs and artificial thermal environments [2,5] in Russia [6], Central France [7], Northern and Central Portugal [1,8], North-Eastern China [9], Northern Taiwan [10], Iceland [11] and the Azores [4]. Interestingly, the genus Meiothermus is heterogeneous with respect to pigmentation.…”

Section: Introductionmentioning

confidence: 99%

Complete genome sequence of Meiothermus silvanus type strain (VI-R2T)

Sikorski

Tindall

Lowry

et al. 2010

Stand. Genomic Sci.

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Meiothermus silvanus (Tenreiro et al. 1995) Nobre et al. 1996 belongs to a thermophilic genus whose members share relatively low degrees of 16S rRNA gene sequence similarity. Meiothermus constitutes an evolutionary lineage separate from members of the genus Thermus, from which they can generally be distinguished by their slightly lower temperature optima. M. silvanus is of special interest as it causes colored biofilms in the paper making industry and may thus be of economic importance as a biofouler. This is the second completed genome sequence of a member of the genus Meiothermus and only the third genome sequence to be published from a member of the family Thermaceae. The 3,721,669 bp long genome with its 3,667 protein-coding and 55 RNA genes is a part of the Genomic Encyclopedia of Bacteria and Archaea project.

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Deinococcus–ThermusGroup

Battista¹

2016

Encyclopedia of Life Sciences

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The Deinococcus–Thermus group represents an ancient lineage that contains some of the most conspicuous species within the domain Bacteria . The group is distinguished by species that resist the lethal effects of exposure to ionising radiation and ultraviolet light, and by species that thrive at high temperature. Deinococcus–Thermus is comprised of two orders, the Deinococcales and the Thermales . The mostly mesophilic species of Deinococcales demonstrate uncommon resistance following exposure to electromagnetic radiations, tolerating doses that normally destroy vegetative bacteria. The Thermales are thermophilic with optimal growth at temperatures between 60 and 80 °C, but show no evidence of resistance to electromagnetic radiation. Despite these striking and distinctive phenotypic differences, 16S ribosomal ribonucleic acid sequences verify that members of these orders are specifically related to each other. Key Concepts Species within the Deinococcus–Thermus group exist over a wide geographic distribution within the natural and built environments. All species within the Deinococcus–Thermus group are specifically related to each other through their 16S rRNA sequences. Members of the Deinococcales and Thermales share only three phenotypic characteristics: all are nonmotile, none form endospores and all utilise menaquinone 8 as their major respiratory lipoquinone. Members of the Deinococcales are aerobic, chemoorganotrophic and display respiratory metabolism. Other chemotaxonomic characteristics of this order are more varied than might be expected for closely related species. Most members of the Deinococcales display extreme resistance to the lethal effects of ionising radiation and UV light; there is a subset of species that are substantially less resistant to these agents. Members of the Thermales are thermophilic or slightly thermophilic rods. Optimal growth temperature for the type strains within the order falls between 60 and 70 °C, but there is considerable variation in growth temperature among nontype species. Most members of the Thermales are aerobic chemoorganotrophs reported to grow between pH 5.0 and 10.5 with optimal growth between pH 6 and 7. In the presence of an appropriate electron acceptor, some species will grow anaerobically. Members of the Thermales are routinely isolated from hydrothermal features worldwide at freshwater and marine sites, including deep sea hydrothermal vents.

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Meiothermus rufus sp. nov., a new slightly thermophilic red-pigmented species and emended description of the genus Meiothermus

Cited by 40 publications

References 23 publications

Complete genome sequence of Meiothermus ruber type strain (21T)

Complete genome sequence of Meiothermus ruber type strain (21T)

Complete genome sequence of Meiothermus silvanus type strain (VI-R2T)

Deinococcus–ThermusGroup

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