INVESTIGADORES
OLIVERA nelda Lila
artículos
Título:
Antibacterial producing actinomycetes from Extra Andean Patagonia
Autor/es:
MARIA SOLEDAD VELA GUROVIC; NELDA LILA OLIVERA
Revista:
JOURNAL OF ARID ENVIRONMENTS
Editorial:
ACADEMIC PRESS LTD-ELSEVIER SCIENCE LTD
Referencias:
Lugar: Amsterdam; Año: 2017 vol. 144 p. 216 - 216
ISSN:
0140-1963
Resumen:
Extra-Andean Patagonia is a vast area in South America with arid soils and vegetation. Desiccation, high salinity and UV radiation of this region are considered positive factors for the isolation of bioactive strains. In the present study, this environment was screened for the first time for antibacterial producing actinomycetes. The isolated strains included members of the genera Streptomyces, Micromonospora, Microbacterium, Nocardia, Dermacoccus, and Dietzia. Among them, four antibacterial producers belonging to the genus Streptomyces were detected and one isolate belonging to the genus Micromonospora harbored the 3-amino 5-hydroxybenzoic acid synthase gene involved in the production of ansamycin-like compounds. The most promising isolate, Streptomyces sp. SUE01, produced pigmented antibiotics from the granaticin class. Since these types of metabolites have been previously isolated from strains growing in desert environments, a relationship between prevailing environmental factors in arid ecosystems and secondary microbial metabolism could be suggested.