| isolation, characterization and biological evaluation of bioactive metabolites from nocardia levis mk-vl_113. | an actinomycete isolate found to be prominent in the laterite soils of acharya nagarjuna university (anu) campus, guntur was identified as nocardia levis mk-vl_113 by 16s rrna analysis. cultural, morphological and physiological characteristics of the strain were recorded. screening of secondary metabolites obtained from 4-day old culture broth of the strain led to the isolation of two fractions active against a wide variety of gram-positive, gram-negative bacteria and fungi. the structure of the ... | 2010 | 19577444 |