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Characterization of isolates of Eisenbergiella tayi, a strictly anaerobic Gram-stain variable bacillus recovered from human clinical materials in Canada

Author:
Bernard, Kathryn, Burdz, Tamara, Wiebe, Deborah, Balcewich, Brittany M., Zimmerman, Tina, Lagacé-Wiens, Philippe, Hoang, Linda M.N., Bernier, Anne-Marie
Source:
Anaerobe 2017 v.44 pp. 128-132
ISSN:
1075-9964
Subject:
blood, elderly, genome, humans, patients, ribosomal RNA, sequence analysis, Canada
Abstract:
Eisenbergiella gen. nov. was proposed in 2014 to describe an obligate anaerobic, structurally Gram-positive but Gram-stain-negative-appearing bacillus recovered from the blood culture of an elderly Israeli man. Here, we describe features for eight blood culture isolates as well one appendix-derived isolate, recovered from seven patients located in two Canadian provinces, which by 16S rRNA gene sequencing, were identifiable as Eisenbergiella tayi, the sole validly- named species in this genus. After whole genome sequencing, isolates were found to be essentially identical (96.8–98.7% identity) to each other and to E. tayi DSM 26961ᵀ, after comparison using the ANIb tool and in silico DNA-DNA hydridization. All isolates were observed to have remarkably large genomes (7.1–8.3 Mb) with a G + C content of 46.5%–46.9%.
Agid:
5646980