Sulfolobus hakonensis sp. nov., a Novel Species of Acidothermophilic Archaeon

Takayanagi, Shigeru; Kawasaki, Hiroko; Sugimori, Kenji; Yamada, Takeshi; Sugai, Akihiko; Ito, Toshihiro; Yamasato, Kazuhide; Shioda, Masaki

doi:10.1099/00207713-46-2-377

Cited by 62 publications

(51 citation statements)

References 20 publications

(15 reference statements)

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“…solfataricus DSM 1616 T (Takayanagi et al, 1996;Brock et al, 1972;Zillig et al, 1980); 7, A. infernus DSM 3191 T (Segerer et al, 1986;He et al, 2004;Yoshida et al, 2006); 8, A. brierleyi DSM 165 T (Segerer et al, 1986;He et al, 2004;Yoshida et al, 2006). +, Positive; -, negative; NA, not available; W, weakly positive.…”

Section: Colonies Of Strain Ar-4mentioning

confidence: 99%

“…prunae DSM 10039 T (Fuchs et al, 1995); 5, S. acidocaldarius ATCC 33909 T (Takayanagi et al, 1996;Brock et al, 1972;Zillig et al 1980); 6, S.…”

Section: Colonies Of Strain Ar-4mentioning

confidence: 99%

“…L. n. cuprum copper; L. suff. -inus -a -um suffix used with the sense of belonging to; Takayanagi et al, 1996); 3, M. sedula DSM 5348 T (Huber et al, 1989); 4, M.…”

Section: Colonies Of Strain Ar-4mentioning

confidence: 99%

“…They have been found in acidic hot springs, water holes and mud holes that contain elemental sulfur and soils within continental solfataric fields (Brierley & Brierley, 1973;de Rosa et al, 1975). Representatives of the genera Sulfolobus (Brock et al, 1972;Zillig et al, 1980), Acidianus (Segerer et al, 1986) and Metallosphaera (Takayanagi et al, 1996) have been isolated from a large number of these habitats (Huber & Prangishvili, 2006). The genus Metallosphaera was first proposed by Huber et al (1989) based on the physiological and DNA-DNA relatedness of metal-mobilizing strains isolated from a solfataric field.…”

mentioning

confidence: 99%

“…Gram-staining was determined according to the method described by Gerhardt et al (1994). Carbon source utilization and other biochemical characterization tests were performed with modified Allen medium (Allen, 1959;Brock et al, 1972) as described previously (Huber et al, 1989;Fuchs et al, 1995;Takayanagi et al, 1996;Dong & Cai, 2001). Growth of strain T under anaerobic conditions was tested by using H 2 as an electron donor and elemental sulfur as a terminal electron acceptor.…”

mentioning

confidence: 99%

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Metallosphaera cuprina sp. nov., an acidothermophilic, metal-mobilizing archaeon

Liu

You

Guo

et al. 2011

International Journal of Systematic and Evolutionary Microbiology

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A novel acidothermophilic archaeon, strain Ar-4 T , was isolated from a sulfuric hot spring in Tengchong, Yunnan, China. Cells of strain T were Gram-staining-negative, irregular cocci and motile by means of flagella. Strain Ar-4 T grew over a temperature range of 55-75 6C(optimum, 65 6C), a pH range of 2.5-5.5 (optimum, pH 3.5) and a NaCl concentration range of 0-1 % (w/v). The novel strain was aerobic and facultatively chemolithoautotrophic. The strain could extract metal ions from sulfidic ore. It was also able to oxidize reduced sulfur compounds. In addition, it was able to use heterogeneous organic materials for organotrophic growth. , respectively. The differences in cell motility, the temperature and pH ranges for growth, the ability to utilize carbon sources, the DNA G+C content, and the low DNA-DNA relatedness values distinguished strain T from recognized species of the genus Metallosphaera. On the basis of these results, it was concluded that strain Ar-4 T represents a novel species of the genus Metallosphaera, for which the name Metallosphaera cuprina is proposed. The type strain is Ar-4

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Section: Colonies Of Strain Ar-4mentioning

confidence: 99%

“…prunae DSM 10039 T (Fuchs et al, 1995); 5, S. acidocaldarius ATCC 33909 T (Takayanagi et al, 1996;Brock et al, 1972;Zillig et al 1980); 6, S.…”

Section: Colonies Of Strain Ar-4mentioning

confidence: 99%

“…L. n. cuprum copper; L. suff. -inus -a -um suffix used with the sense of belonging to; Takayanagi et al, 1996); 3, M. sedula DSM 5348 T (Huber et al, 1989); 4, M.…”

Section: Colonies Of Strain Ar-4mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Metallosphaera cuprina sp. nov., an acidothermophilic, metal-mobilizing archaeon

Liu

You

Guo

et al. 2011

International Journal of Systematic and Evolutionary Microbiology

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Sulfolobus

Huber¹,

Stetter²

2015

Bergey's Manual of Systematics of Archaea and Bacteria

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Sul.fo.lo' bus . L. neut. n. sulfur sulfur; Gr. masc. n. lobos lobe; M.L. masc. n. Sulfolobus lobed sulfur‐oxidizing organism. Crenarchaeota / Thermoprotei / Sulfolobales / Sulfolobaceae / Sulfolobus Cells coccoid , highly irregular with a diameter from about 0.7 to 2 µm, usually occurring singly . Gram negative. Immotile or motile by possession of one or more flagella. Obligate aerobe . Facultatively chemolithoautotrophic . Lithotrophic growth via oxidation of sulfidic ores , sulfide , S 0 , or tetrathionate resulting in the production of sulfuric acid. No growth by anaerobic sulfur reduction. Aerobic hydrogen oxidation by some species. Organotrophic growth on complex organic material (e.g., beef extract, peptone, or yeast extract), sugars, or amino acids. Optimal growth temperatures between 65 and 85 ° C . Growth between pH 1 and 5 . 5 (Brock et al., 1972; Brock, 1978). Based on 16S rRNA sequence data, the Sulfolobus species are distributed over several branches within the Sulfolobales ( Sulfolobaceae ), indicating that they do not represent one cluster (genus) within this order (family) (Fuchs et al., 1996a). Type species : Sulfolobus acidocaldarius Brock, Brock, Belly and Weiss 1972, 66.

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Physiological, metabolic and biotechnological features of extremely thermophilic microorganisms

Counts

Zeldes

Lee

et al. 2017

WIREs Mechanisms of Disease

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The current upper thermal limit for life as we know it is approximately 120°C. Microorganisms that grow optimally at temperatures of 75°C and above are usually referred to as ‘extreme thermophiles’ and include both bacteria and archaea. For over a century, there has been great scientific curiosity in the basic tenets that support life in thermal biotopes on earth and potentially on other solar bodies. Extreme thermophiles can be aerobes, anaerobes, autotrophs, heterotrophs, or chemolithotrophs, and are found in diverse environments including shallow marine fissures, deep sea hydrothermal vents, terrestrial hot springs – basically, anywhere there is hot water. Initial efforts to study extreme thermophiles faced challenges with their isolation from difficult to access locales, problems with their cultivation in laboratories, and lack of molecular tools. Fortunately, because of their relatively small genomes, many extreme thermophiles were among the first organisms to be sequenced, thereby opening up the application of systems biology-based methods to probe their unique physiological, metabolic and biotechnological features. The bacterial genera Caldicellulosiruptor, Thermotoga and Thermus, and the archaea belonging to the orders Thermococcales and Sulfolobales, are among the most studied extreme thermophiles to date. The recent emergence of genetic tools for many of these organisms provides the opportunity to move beyond basic discovery and manipulation to biotechnologically relevant applications of metabolic engineering.

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Sulfolobus hakonensis sp. nov., a Novel Species of Acidothermophilic Archaeon

Cited by 62 publications

References 20 publications

Metallosphaera cuprina sp. nov., an acidothermophilic, metal-mobilizing archaeon

Metallosphaera cuprina sp. nov., an acidothermophilic, metal-mobilizing archaeon

Sulfolobus

Physiological, metabolic and biotechnological features of extremely thermophilic microorganisms

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