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Marinomonas alcarazii sp nov., M. rhizomae sp nov., M. foliarum sp nov., M. posidonica sp nov and M. aquiplantarum sp nov., isolated from the microbiota of the seagrass Posidonia oceanica

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URI
http://hdl.handle.net/20.500.11939/5547
DOI
10.1099/ijs.0.027227-0
Derechos de acceso
openAccess
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Author
Lucas-Elio, Patricia; Marco-Noales, Ester; Espinosa, Elena; Ordax, Mónica; López, María M.; Garcias-Bonet, Neus; Marba, Nuria; Duarte, Carlos M.; Sanchez-Amat, Antonio
Date
2011
Cita bibliográfica
Lucas-Elio, P., Marco-Noales, E., Espinosa, E., Ordax, Monica, Lopez, M.M., Garcias-Bonet, Neus, Marba, N., Duarte, C. M., Sanchez-Amat, A. (2011). Marinomonas alcarazii sp nov., M. rhizomae sp nov., M. foliarum sp nov., M. posidonica sp nov and M. aquiplantarum sp nov., isolated from the microbiota of the seagrass Posidonia oceanica. International Journal of Systematic and Evolutionary Microbiology, 61, 2191-2196.
Abstract
Five novel Gram-reaction-negative aerobic marine bacterial strains with DNA G+C contents <50 mol% were isolated from the seagrass Posidonia oceanica. 16S rRNA sequence analysis indicated that they belonged to the genus Marinomonas. Major fatty acid compositions, comprising C(10:0) 3-OH, C(16:0), C(16:1)omega 7C and C(18:1)omega 7c, supported the affiliation of these strains to the genus Marinomonas. Strains IVIA-Po-14b(T), IVIA-Po-145(T) and IVIA-Po-155(T) were closely related to Marinomonas pontica 46-16(T), according to phylogenetic analysis. However, DNA-DNA hybridization values <35% among these strains revealed that they represented different species. Further differences in the phenotypes and minor fatty acid compositions were also found among the strains. Another two strains, designated IVIA-Po-181(T) and IVIA-Po-159(T), were found to be closely related to M. dokdonensis DSW10-10(T) but DNA-DNA relatedness levels <40% in pairwise comparisons, as well as some additional differences in phenotypes and fatty acid compositions supported the creation of two novel species. Accordingly, strains IVIA-Po-14b(T) (=CECT 7730(T) =NCIMB 14671(T)), IVIA-Po-145(T) (=CECT 7377(T) =NCIMB 14431(T)), IVIA-Po-155(T) (=CECT 7731(T) =NCIMB 14672(T)), IVIA-Po-181(T) (=CECT 7376(T) =NCIMB 14433(T)) and IVIA-Po-159(T) (=CECT 7732(T) =NCIMB 14673(T)) represent novel species, for which the names Marinomonas alcarazii sp. nov., Marinomonas rhizomae sp. nov., Marinomonas foliarum sp. nov., Marinomonas posidonica sp. nov. and Marinomonas aquiplantarum sp. nov. are proposed, respectively.
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