Abstract
Ignisphaera aggregans Niederberger et al. 2006 is the type and sole species of genus Ignisphaera. This archaeal species is characterized by a coccoid-shape and is strictly anaerobic, moderately acidophilic, heterotrophic hyperthermophilic and fermentative. The type strain AQ1.S1T was isolated from a near neutral, boiling spring in Kuirau Park, Rotorua, New Zealand. This is the first completed genome sequence of the genus Ignisphaera and the fifth genome (fourth type strain) sequence in the family Desulfurococcaceae. The 1,875,953 bp long genome with its 2,009 protein-coding and 52 RNA genes is a part of the Genomic Encyclopedia of Bacteria and Archaea project.
Highlights
Strain AQ1.S1T (= DSM 17230 = JCM 13409) is the type strain of the species Ignisphaera aggregans, which is the type species of the genus Ignisphaera [1], one out of nine genera in the family Desulfurococcaceae [2,3,4,5]
The generic name derives from the Latin word ‘ignis’ meaning ‘fire’, and ‘sphaera’ meaning ‘ball’, referring to coccoid cells found in the high-temperature environment such as hot springs [1]
The species epithet is derived from the Latin word ‘aggregans’ meaning ‘aggregate forming or aggregating clumping’, referring to the appearance of the cells when grown on mono, dior polysaccharides [1]
Summary
Strain AQ1.S1T (= DSM 17230 = JCM 13409) is the type strain of the species Ignisphaera aggregans, which is the type species of the genus Ignisphaera [1], one out of nine genera in the family Desulfurococcaceae [2,3,4,5]. The generic name derives from the Latin word ‘ignis’ meaning ‘fire’, and ‘sphaera’ meaning ‘ball’, referring to coccoid cells found in the high-temperature environment such as hot springs [1]. The species epithet is derived from the Latin word ‘aggregans’ meaning ‘aggregate forming or aggregating clumping’, referring to the appearance of the cells when grown on mono-, dior polysaccharides [1]. We present a summary classification and a set of features for I. aggregans AQ1.S1T, together with the description of the complete genomic sequencing and annotation
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