{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T01:15:34Z","timestamp":1775697334896,"version":"3.50.1"},"reference-count":35,"publisher":"Microbiology Society","issue":"Pt_9","funder":[{"name":"Committee for Research and Conference Grant, The University of Hong Kong"},{"name":"Strategic Research Theme Fund, The University of Hong Kong"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,9,1]]},"abstract":"Two bacterial strains, HKU33T<\/jats:sup>and HKU34, were isolated in Hong Kong from the pus aspirated from the right peritonsillar abscess of a patient with quinsy and the left elbow joint fluid of another patient with tophaceous gout and left elbow septic arthritis, respectively. The bacteria were Gram-stain-negative, non-motile, non-spore-forming, non-haemolytic pleomorphic bacilli. They grew best on Columbia agar with 5\u200a% defibrinated sheep blood in an anaerobic environment or aerobic environment with 5\u200a% CO2<\/jats:sub>. They also grew on chocolate agar but not on MacConkey agar. They were catalase- and cytochrome oxidase-negative. They showed a unique profile of enzyme activities distinguishable from their closely related species. Phylogenetic analysis of the complete 16S rRNA gene, and partialgroEL<\/jats:italic>,gyrB<\/jats:italic>andrecA<\/jats:italic>gene sequences showed the two isolates formed a distinct branch within the familyLeptotrichiaceae<\/jats:italic><\/jats:ext-link><\/jats:named-content>, being related most closely toStreptobacillus moniliformis<\/jats:italic><\/jats:ext-link><\/jats:named-content>. Hierarchical cluster analysis of mass spectra of whole-cell protein contents showed that strains HKU33T<\/jats:sup>and HKU34 were closely related to each other, but were distinct fromStreptobacillus moniliformis<\/jats:italic><\/jats:ext-link><\/jats:named-content>,Sneathia sanguinegens<\/jats:italic><\/jats:ext-link><\/jats:named-content>and \u2018Leptotrichia amnionii<\/jats:italic>\u2019. The DNA G+C content of strain HKU33T<\/jats:sup>was 26.0\u00b12.1 mol% (mean\u00b1sd<\/jats:sc>;n<\/jats:italic>\u200a=\u200a3). DNA\u2013DNA hybridization demonstrated \u226445.02\u200a% DNA relatedness between the two isolates andStreptobacillus moniliformis<\/jats:italic><\/jats:ext-link><\/jats:named-content>CCUG 13453T<\/jats:sup>. A novel species,Streptobacillus hongkongensis<\/jats:italic>sp. nov., is proposed to accommodate strains HKU33T<\/jats:sup>and HKU34, with HKU33T<\/jats:sup>(\u200a=\u200aJCM 18691T<\/jats:sup>\u200a=\u200aNCTC 13659T<\/jats:sup>\u200a=\u200aDSM 26322T<\/jats:sup>) designated the type strain. Emended descriptions of the genusStreptobacillus<\/jats:italic><\/jats:ext-link><\/jats:named-content>andStreptobacillus moniliformis<\/jats:italic><\/jats:ext-link><\/jats:named-content>are also given.<\/jats:p>","DOI":"10.1099\/ijs.0.061242-0","type":"journal-article","created":{"date-parts":[[2014,6,10]],"date-time":"2014-06-10T06:39:20Z","timestamp":1402382360000},"page":"3034-3039","source":"Crossref","is-referenced-by-count":43,"title":["Streptobacillus hongkongensis sp. nov., isolated from patients with quinsy and septic arthritis, and emended descriptions of the genus Streptobacillus and Streptobacillus moniliformis"],"prefix":"10.1099","volume":"64","author":[{"given":"Patrick C. Y.","family":"Woo","sequence":"first","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"},{"name":"State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, PR China"},{"name":"Research Centre of Infection and Immunology, The University of Hong Kong, Hong Kong, PR China"},{"name":"Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alan K. L.","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Pamela Youde Nethersole Eastern Hospital, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chi-Ching","family":"Tsang","sequence":"additional","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kit-Wah","family":"Leung","sequence":"additional","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio H. Y.","family":"Ngan","sequence":"additional","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shirly O. T.","family":"Curreem","sequence":"additional","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kwok-Wai","family":"Lam","sequence":"additional","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonathan H. K.","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jasper F. W.","family":"Chan","sequence":"additional","affiliation":[{"name":"Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, PR China"},{"name":"State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, PR China"},{"name":"Research Centre of Infection and Immunology, The University of Hong Kong, Hong Kong, PR China"},{"name":"Department of Microbiology, The University of Hong Kong, Hong Kong, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susanna K. 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