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Corynebacterium simulans sp. nov., a non - International Journal of ...

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P. Wattiau, M. Janssens and G. Wauters<br />

0·01<br />

100+<br />

Tsukamurella paurometabola<br />

Dietzia maris<br />

96·9+ C. <strong>simulans</strong><br />

86·7+<br />

C. striatum<br />

100+ C. minutissimum<br />

C. singulare<br />

C. macginleyi<br />

98·5+<br />

‘C. tuberculostearicum’<br />

C. accolens<br />

‘C. segmentosum’<br />

90·4 ‘C. fastidiosum’<br />

+ +<br />

100+<br />

97·4+<br />

+<br />

100+<br />

91·3<br />

+<br />

97·3<br />

95·3+<br />

+ 91<br />

85·4+<br />

90·1+<br />

100+ C. propinquum<br />

C. pseudodiphtheriticum<br />

C. matruchotii<br />

C. kutscheri<br />

C. argentoratense<br />

C. vitaeruminis<br />

C. diphtheriae<br />

C. ulcerans<br />

C. pseudotuberculosis<br />

C. renale<br />

C. auris<br />

C. mycetoides<br />

‘C. pseudogenitalium’<br />

C. coyleae<br />

C. mucifaciens<br />

C. afermentans<br />

C. imitans<br />

‘C. genitalium’<br />

Turicella otitidis<br />

100+ C. glucuronolyticum<br />

C. seminale<br />

C. pilosum<br />

C. cystitidis<br />

C. callunae<br />

100+ C. glutamicum<br />

‘C. acetoacidophilum’<br />

C. flavescens<br />

C. ammoniagenes<br />

C. variabile<br />

C. bovis<br />

C. urealyticum<br />

C. jeikeium<br />

C. xerosis<br />

C. amycolatum<br />

.....................................................................................................<br />

Fig. 2. Unrooted tree showing the<br />

phylogenetic relationships <strong>of</strong> C. <strong>simulans</strong><br />

strain Co 553 T with other members <strong>of</strong> the<br />

genus <strong>Corynebacterium</strong>. The tree was<br />

obtained by the neighbour-joining method<br />

and is drawn using the 16S rRNA sequences<br />

<strong>of</strong> Dietzia maris and Tsukamurella<br />

paurometabolum as the outgroup. Relevant<br />

branches also found to be significant by the<br />

maximum-likelihood and the maximumparsimony<br />

analysis methods are indicated by<br />

‘‘. The tree was validated by a bootstrap<br />

analysis (1500 replications) and values<br />

greater than 85% are indicated above<br />

the branches. Scale bar, 001 accumulated<br />

change per nucleotide.<br />

acetyl-β-glucosaminidase, α-mannosidase and α-fucosidase<br />

are negative. Arabinose and galactose are<br />

present in the cell wall and the peptidoglycan diamino<br />

acid is meso-diaminopimelic acid. The main straightchain<br />

saturated fatty acid is palmitic acid and oleic<br />

acid is the main unsaturated acid. Short-chain mycolic<br />

acids (C22–C36) are present. The three strains have<br />

been deposited in the DSMZ with the following<br />

accession numbers: Co 301DSM 44392; Co 553T <br />

DSM 44415T; and Co 557 DSM 44416. The type<br />

strain <strong>of</strong> <strong>Corynebacterium</strong> <strong>simulans</strong> is Co 553T which is<br />

positive for ribose, N-acetyl-glucosamine, galactose<br />

and pyrazinamidase.<br />

ACKNOWLEDGEMENTS<br />

We thank J. Verhaegen for providing us with strain Co 557<br />

and Co 301, B. Van Bosterhaut for strain Co 553T and M. E.<br />

Renard for her excellent technical assistance.<br />

REFERENCES<br />

Collins, M. D. & Cummins, C. S. (1986). Genus <strong>Corynebacterium</strong>.<br />

In Bergey’s Manual <strong>of</strong> Systematic Bacteriology, vol. 2, pp.<br />

1266–1276. Edited by P. H. A. Sneath, N. S. Mair, M. E.<br />

Sharpe & J. G. Holt. Baltimore: Williams & Wilkins.<br />

Collins, M. D., Falsen, E., Akervall, E., Sjo de n, B. & Alvarez, A.<br />

(1998). <strong>Corynebacterium</strong> kroppenstedtii <strong>sp</strong>. <strong>nov</strong>., a <strong>nov</strong>el coryne-<br />

352 <strong>International</strong> <strong>Journal</strong> <strong>of</strong> Systematic and Evolutionary Microbiology 50

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