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Volume 67, Issue 2
  • ISSN: 2056-5135


The need to avoid health issues and pollution of the environment from the use of chemicals and synthetic materials inspires scientists to search for new biological compounds beneficial to human beings. Caves, being extreme environments, might be potential sources of these compounds. , one of the main groups that colonise these environments, are known to generate natural bioactive compounds. To investigate the potential uses of Parsık Cave , identification of this group of isolates and the investigation of their secreted biological compounds constituted the principal aim of the present study. The identification was achieved by sequencing 16S rRNA genes of 41 selected bacteria of which 28 species were identified as . (21%) and (14%) were the most identified genera. Antimicrobial effects of the isolates P1 and P16 were observed against standard microorganisms like . The gas chromatography-mass spectrometry (GC-MS) analysis of their broth showed compounds with known antimicrobial, antioxidant or anticancer properties as well as unknown compounds. Polyketide synthase (PKS) and non-ribosomal peptide synthases (NRPS) respectively were amplified in 32.1% and 53.5% of the identified while 25% were found to have both NRPS and PKS amplified. Amylase, gelatinase, cellulase, deoxyribonuclease (DNase), urease and casein hydrolysing activities were observed in the identified . These results show that from Parsık Cave might be good sources of industrial and biotechnological compounds. Furthermore, discovery of new bioactive compounds from these bacteria is promising due to the many unknown compounds observed in the GC-MS analysis and the high percentage of NRPS and PKS gene amplification.


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