ISSN: 0973-7510

E-ISSN: 2581-690X

Mrugesh Khunt1 , Neepa Pandhi2 and Archana Rana2
1Department of Plant Pathology, NMCA, Navsari Agricultural University, Navsari – 396 450, India.
2Department of Microbiology, M & N Virani Science College, Rajkot – 360 005, India.
J Pure Appl Microbiol. 2012;6(2):845-850
© The Author(s). 2012
Received: 25/03/2011 | Accepted: 08/05/2012 | Published: 30/06/2012
Abstract

Twenty-four moderate halophilic isolates were obtained from excreta of wild Ass after enrichment in complete media broth and halophilic broth. All the isolates were Gram’s positive and non-capsulated. Further, isolates were screened for extracellular lipase secretion on solid media containing tributyrin as sole source of carbon and Mk-23 was potential lipase producer selected on the basis of zone index. Organism was identified as Halomonas salina on the basis of 16s r-RNA sequencing. Maximum lipase secretion was after 240 hours of incubation (During stationary phase). Organism was found to secrete maximum lipase at pH 6, 10% NaCl, 30°C temperature and 6% substrate concentration in liquid media.

Keywords

Lipases, Moderate halophiles, Rann of Kutch, Halomonas salina

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