Pyrococcus woesei

Species of archaeon

Pyrococcus woesei is an ultra-thermophilic marine archaeon. It is sulfur-reducing and grows optimally between 100 and 103 °C. Its cells have a roughly spherical, elongated and constricted appearance, similar to Thermococcus celer. Frequently, they occur as diploforms. Cells grown on solid supports have dense tufts of flagella or pili attached to one pole.

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