Myceligenerans crystallogenes sp. nov., isolated from Roman catacombs

Ingrid Groth (Corresponding Author), Peter Schumann, Barbara Schütze, Juan M. Gonzalez, Leonila Laiz, Maija-Liisa Suihko, Erko Stackebrandt

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Abstract

Three xylan-degrading actinobacterial strains were isolated from different sampling sites in the Roman catacombs of Domitilla and San Callisto. The organisms showed morphological and chemotaxonomic properties such as peptidoglycan type A4α, l-lys–l-thr–d-Glu; whole-cell sugars (glucose, mannose and galactose); octa-, hexa- and tetrahydrogenated menaquinones with nine isoprene units; phosphatidylglycerol and diphosphatidylglycerol as the major phospholipids; anteiso-C15 : 0, iso-C15 : 0 and iso-C16 : 0 as the predominant fatty acids; and a DNA G+C content of 72 mol%. These features are consistent with affiliation of these isolates to the genus Myceligenerans. The three isolates shared a 16S rRNA gene similarity of 99·9 % and were most closely related to Myceligenerans xiligouense DSM 15700T (97·9 % sequence similarity). The low level of DNA–DNA relatedness (about 14 %) and the differences in phenotypic characteristics between the novel strains and M. xiligouense DSM 15700T justify the proposal of a novel species of the genus Myceligenerans, Myceligenerans crystallogenes sp. nov., with CD12E2-27T (=HKI 0369T=DSM 17134T=NCIMB 14061T=VTT E-032285T) as the type strain.
Original languageEnglish
Pages (from-to)283-287
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume56
Issue number1
DOIs
Publication statusPublished - 2006
MoE publication typeA1 Journal article-refereed

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Keywords

  • xylan-degrading actinobacterial strains

Cite this

Groth, I., Schumann, P., Schütze, B., Gonzalez, J. M., Laiz, L., Suihko, M-L., & Stackebrandt, E. (2006). Myceligenerans crystallogenes sp. nov., isolated from Roman catacombs. International Journal of Systematic and Evolutionary Microbiology, 56(1), 283-287. https://doi.org/10.1099/ijs.0.63756-0