{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,14]],"date-time":"2025-11-14T17:11:01Z","timestamp":1763140261267},"reference-count":26,"publisher":"Microbiology Society","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2007,9,1]]},"abstract":"<jats:p>Research at the Center for Biological Defense identified plasmid-borne forms of <jats:italic>Bacillus anthracis<\/jats:italic> pXO2 genes in a Gram-positive, endospore-forming rod, isolated from a forensic specimen considered a credible threat of harbouring anthrax. Conventional, commercial and molecular-based methods indicated that the isolate (CBD 119<jats:sup>T<\/jats:sup>) was not <jats:italic>B. anthracis<\/jats:italic> and considered not to be a member of the <jats:italic>Bacillus cereus<\/jats:italic> group. Based on the 16S rRNA gene sequence similarities, strain CBD 119<jats:sup>T<\/jats:sup> was most closely related to <jats:italic>Bacillus luciferensis<\/jats:italic> LMG 18422<jats:sup>T<\/jats:sup> (99.3\u200a%). Phenotyping and fatty acid methyl ester analysis of the isolate were conducted alongside <jats:italic>B. luciferensis<\/jats:italic> JCM 12212<jats:sup>T<\/jats:sup>. The major cellular fatty acids (anteiso-C<jats:sub>15\u200a:\u200a0<\/jats:sub>, iso-C<jats:sub>15\u200a:\u200a0<\/jats:sub>, and &gt;7 iso or anteiso forms) supported inclusion of the isolate in the genus <jats:italic>Bacillus<\/jats:italic>. Strain CBD 119<jats:sup>T<\/jats:sup> was inconsistent with <jats:italic>B. luciferensis<\/jats:italic> JCM 12212<jats:sup>T<\/jats:sup> for 18 of 96 traits evaluated including motility, degree of endospore-driven swelling and pH optimum; the two were linked by fatty acid methyl ester analysis as separate but closely related species. DNA\u2013DNA relatedness between strain CBD 119<jats:sup>T<\/jats:sup> and <jats:italic>B. luciferensis<\/jats:italic> JCM 12212<jats:sup>T<\/jats:sup> resulted in less than 20\u200a% hybridization. The results of biochemical and physiological characterization, chemotaxonomic analysis and DNA\u2013DNA hybridization differentiated strain CBD 119<jats:sup>T<\/jats:sup> both phenotypically and genotypically from the only species with validly published name with greater than 97\u200a% 16S rRNA gene sequence similarity. The isolate has an accelerated doubling time when grown in aerated broth at pH\u20055.9 relative to that at pH\u20057.1. Therefore, it is proposed that strain CBD 119<jats:sup>T<\/jats:sup> represents a novel species, <jats:italic>Bacillus acidiceler<\/jats:italic> sp. nov. The type strain is strain CBD 119<jats:sup>T<\/jats:sup> (=NRRL B-41736<jats:sup>T<\/jats:sup>=DSM 18954<jats:sup>T<\/jats:sup>).<\/jats:p>","DOI":"10.1099\/ijs.0.64993-0","type":"journal-article","created":{"date-parts":[[2007,9,1]],"date-time":"2007-09-01T03:21:17Z","timestamp":1188616877000},"page":"2031-2036","source":"Crossref","is-referenced-by-count":18,"title":["Bacillus acidiceler sp. nov., isolated from a forensic specimen, containing Bacillus anthracis pX02 genes"],"prefix":"10.1099","volume":"57","author":[{"given":"K. 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