tailieunhanh - Identification and evaluation of clinically significant Nocardia brasiliensis, Nocardia farcinica and Nocardia otitidiscaviarum strains using pyrolysis mass spectrometry (PyMS)

Nocardia farcinica and Nocardia otitidiscaviarum formed distinct pyrogroups corresponding to clusters defined in the numerical study. It can be concluded that PyMS provides a rapid and reproducible method of evaluating the taxonomic significance of Nocadia species. | Turk J Biol 25 (2001) 103-111 © TÜB‹TAK Identification and Evaluation of Clinically Significant Nocardia brasiliensis, Nocardia farcinica and Nocardia otitidiscaviarum Strains Using Pyrolysis Mass Spectrometry (PyMS) Kamil IfiIK, Ergin KAR‹PTAfi, Nevzat fiAH‹N Ondokuzmay›s University, Faculty of Arts and Science, Department of Biology, 55139, Kurupelit, Samsun-TURKEY Alan C. WARD, Micheal GOODFELLOW Newcastle University, Medical School, Microbiology Dept., Newcastle upon Tyne - . Received: Abstract: Out of a total of thirty-nine Nocardia strains, eight species of N. brasiliensis, seventeen species of N. farcinica and fourteen species of N. otitidiscaviarum were identified using Pyrolysis mass spectrometry. N428, N477 N. brasiliensis; N669, N233 N. farcinica; and N231, N232 N. otitidiscaviarum duplicated strains were clustered in their own groups. Strains belonging to Nocardia brasiliensis, Nocardia farcinica and Nocardia otitidiscaviarum formed distinct pyrogroups corresponding to clusters defined in the numerical study. It can be concluded that PyMS provides a rapid and reproducible method of evaluating the taxonomic significance of Nocadia species. Key Words: Nocardia, PyMS, Taxonomy Klinik Önemi Olan Nocardia brasiliensis, Nocardia farcinica ve Nocardia otitidiscaviarum’un Pirolizis Kütle Spektrometrisi Kullan›lmas›yla ‹dentifikasyonu ve De¤erlendirilmesi Özet: Sekiz Nocardia brasiliensis, onyedi Nocardia farcinica ve ondört Nocardia otitidiscaviarum olmak üzere toplam otuzdokuz Nocardia suflu Pirolizis kütle spektrometri metodu kullan›larak tan›mland›. Nocardia brasiliensis’den N428, N477; Nocardia farcinica’dan N669, N223 ve Nocardia otitidiscaviarum’dan N231 ve N232 nolu test edilen duplikat sufllar ilgili gruplar›yla kümelendiler. Nocardia brasiliensis, Nocardia farcinica ve Nocardia otitidiscaviarum ait sufllar, numerik çal›flmada belirlenen kümelere benzer, aç›k bir flekilde pyrogroup oluflturdular. Buradan Nocardia .