A Methanogenic Archaeon from Ace Lake, Antarctica: Methanococcoides burtonii sp. nov.

Franzmann, P.D.; Springer, Nina; Ludwig, Wolfgang; Macario, Everly Conway de; Rohde, Manfred

doi:10.1016/s0723-2020(11)80117-7

Cited by 210 publications

(188 citation statements)

References 29 publications

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“…Neither growth nor methanogenesis was observed at x5 xC. In prior reports, M. burtonii grew at 1.7 xC if the culture was pre-incubated at 20 xC to an optical density (OD 550 ) of 0.3 (Franzmann et al 1992). In this report we show that M. burtonii preincubated at 4 xC to an OD 550 of 0.1 grows near the predicted T MIN of x2.5 xC (Franzmann et al 1992).…”

Section: Growth Of Methanogens At Low Temperaturessupporting

confidence: 39%

“…strain NRC-1 (=ATCC 700922) was from the culture collection maintained by SD and the coldadapted haloarchaeon H. lacusprofundi strain ACAM 34 (=ATCC 49239) was obtained from ATCC. The mesophilic methanogen M. acetivorans strain C2A (=DSM 2834, =ATCC 35395) isolated from a submarine canyon (Sowers et al 1984) has been maintained by KRS in the laboratory and the cold-adapted methanogen M. burtonii Ace M (=DSM 6242) isolated from an Antarctic saline lake (Franzmann et al 1992) was obtained from the collection maintained by RC.…”

Section: Methodsmentioning

confidence: 99%

“…Both growth and methanogenesis were assayed in cultures of M. burtonii and M. acetivorans grown at and below the reported temperatures for growth in the mineral medium (Sowers et al 1984;Franzmann et al 1992). M. acetivorans did not grow or produce methane at 10, 4 or x2 xC after 190 days ( Fig.…”

Section: Growth Of Methanogens At Low Temperaturesmentioning

confidence: 99%

“…The effect of low temperatures on growth and methanogenesis was studied with the cold-adapted Archaeon, M. burtonii, isolated from an in situ temperature of 1.7 xC in Ace Lake, a saline lake in Antarctica (Franzmann et al 1992), and the mesophile M. acetivorans isolated from an in situ temperature of 12 xC in a submarine trench (Sowers et al 1984). Both growth and methanogenesis were assayed in cultures of M. burtonii and M. acetivorans grown at and below the reported temperatures for growth in the mineral medium (Sowers et al 1984;Franzmann et al 1992).…”

Section: Growth Of Methanogens At Low Temperaturesmentioning

confidence: 99%

“…In prior reports, M. burtonii grew at 1.7 xC if the culture was pre-incubated at 20 xC to an optical density (OD 550 ) of 0.3 (Franzmann et al 1992). In this report we show that M. burtonii preincubated at 4 xC to an OD 550 of 0.1 grows near the predicted T MIN of x2.5 xC (Franzmann et al 1992). The addition of the compatible solutes glycine betaine, dimethylsulphoniopropionate or glycerol did not further reduce the T MIN of either methanogenic strain.…”

Section: Growth Of Methanogens At Low Temperaturesmentioning

confidence: 99%

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Terrestrial models for extraterrestrial life: methanogens and halophiles at Martian temperatures

Reid¹,

Sparks²,

Lubow³

et al. 2006

International Journal of Astrobiology

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: Cold environments are common throughout the Galaxy. We are conducting a series of experiments designed to probe the low-temperature limits for growth in selected methanogenic and halophilic Archaea. This paper presents initial results for two mesophiles, a methanogen, Methanosarcina acetivorans, and a halophile, Halobacterium sp. NRC-1, and for two Antarctic coldadapted Archaea, a methanogen, Methanococcoides burtonii, and a halophile, Halorubrum lacusprofundi. Neither mesophile is active at temperatures below 5 xC, but both cold-adapted microorganisms show significant growth at sub-zero temperatures (x2 xC and x1 xC, respectively), extending previous lowtemperature limits for both species by 4-5 xC. At low temperatures, both H. lacusprofundi and M. burtonii form multicellular aggregates, which appear to be embedded in extracellular polymeric substances. This is the first detection of this phenomenon in Antarctic species of Archaea at cold temperatures. The low-temperature limits for both psychrophilic species fall within the temperature range experienced on present-day Mars and could permit survival and growth, particularly in subsurface environments. We also discuss the results of our experiments in the context of known exoplanet systems, several of which include planets that intersect the Habitable Zone. In most cases, those planets follow orbits with significant eccentricity, leading to substantial temperature excursions. However, a handful of the known gas giant exoplanets could potentially harbour habitable terrestrial moons.

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Section: Growth Of Methanogens At Low Temperaturessupporting

confidence: 39%

Section: Methodsmentioning

confidence: 99%

Section: Growth Of Methanogens At Low Temperaturesmentioning

confidence: 99%

Section: Growth Of Methanogens At Low Temperaturesmentioning

confidence: 99%

Section: Growth Of Methanogens At Low Temperaturesmentioning

confidence: 99%

See 3 more Smart Citations

Terrestrial models for extraterrestrial life: methanogens and halophiles at Martian temperatures

Reid¹,

Sparks²,

Lubow³

et al. 2006

International Journal of Astrobiology

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Methanogenesis in the Marine Environment

Sowers

Ferry

2003

Encyclopedia of Environmental Microbiology

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Methanococcoides

Sowers¹

2015

Bergey's Manual of Systematics of Archaea and Bacteria

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Me . tha . no . coc . co ' i . des . Gr. adj. suff. ‐ oides similar to; M.L. neut. n. Methanococcoides organism similar to Methanococcus . Euryarchaeota / Methanosarcinales / Methanosarcinales / Methanosarcinaceae / Methanococcoides Irregular cocci , 0.8–1.8 µm in diameter; occurring singly or in pairs. If motility is observed, it is by a monotrichous flagellum. Strictly anaerobic . Temperature range: 1.7–35°C; optimum: 23–35°C. Slightly halophilic , with optimal growth near 0.2 M NaCl. Mg 2+ is required for growth, as MgSO 4 or MgCl 2 at concentrations greater than 0.01 M. Trimethylamine , dimethylamine , methylamine , and methanol are substrates for growth and methanogenesis; acetate , dimethylsulfide , formate , and H 2 / CO 2 are not . The mol % G + C of the DNA is : 40–42. Type species : Methanococcoides methylutens Sowers and Ferry 1985b, 223 (Effective publication: Sowers and Ferry 1983, 688).

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A Methanogenic Archaeon from Ace Lake, Antarctica: Methanococcoides burtonii sp. nov.

Cited by 210 publications

References 29 publications

Terrestrial models for extraterrestrial life: methanogens and halophiles at Martian temperatures

Terrestrial models for extraterrestrial life: methanogens and halophiles at Martian temperatures

Methanogenesis in the Marine Environment

Methanococcoides

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