Prakash, O. and Nimonkar , Y. and Munot, H. and Sharma, A. and Vemuluri , V.R. and Chavadar, M.S. and Shouche, Y.S. (2014) Description of Micrococcus aloeverae sp. nov., an endophytic actinobacterium isolated from Aloe vera. Int. J. Syst. Evol. Microbiol. , 64 (10). p. 3427.

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Abstract

A yellow Gram-stain-positive, non-motile, non-endospore -forming, spherical endophytic actinobacterium, designated strain AE-6(T), was isolated from the inner fleshy leaf tissues of Aloe barbadensis (Aloe vera) collected from Pune, Maharashtra, India. Strain AE-6(T) grew at high salt concentrations [10% (w/v) NaCl], temperatures of 15-41 °C and a pH range of 5-12. It showed highest (99.7%) 16S rRNA gene sequence similarity with Micrococcus yunnanensis YIM 65004(T) followed by Micrococcus luteus NCTC 2665(T) (99.6%) and Micrococcus endophyticus YIM 56238(T) (99.0%). Ribosomal protein profiling by MALDI-TOF/MS also showed it was most closely related to M. yunnanensis YIM 65004(T) and M. luteus NCTC 2665(T). Like other members of the genus Micrococcus, strain AE-6(T) had a high content of branched chain fatty acids (iso-C15:0 and anteiso-C15:0). MK-8(H2) and MK-8 were the predominant isoprenoid quinones. Cell wall analysis showed an 'A2 L-Lys-peptide subunit' type of peptidoglycan and ribose to be the major cell wall sugar. The DNA G+C content was 70 mol%. Results of DNA-DNA hybridization of AE-6(T) with its closest relatives from the genus Micrococcus produced a value of less than 70%. Based on the results of this study, strain AE-6(T) could be clearly differentiated from other members of the genus Micrococcus. We propose that it represents a novel species of the genus Micrococcus and suggest the name Micrococcus aloeverae sp. nov., with strain AE-6(T) ( = MCC 2184(T) = DSM 27472(T)) as the type strain of the species.

Item Type:	Article
Subjects:	Insect Molecular Biology
Depositing User:	Mr. Rameshwar Nema
Date Deposited:	21 Dec 2016 09:21
Last Modified:	21 Dec 2016 09:21
URI:	http://nccs.sciencecentral.in/id/eprint/361

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