Biological Potentials of Actinomycetes Isolated from Mangrove Soils in Satun Province

Abstract

The objectives of this study were to examine the biological potentials of actinomycetes isolated from soil samples of mangrove forest, and to isolate potential actinomycetes for producing of enzyme and anti-bacterial or anti-fungal compounds that occurred in agricultural sector. Out of ninety actinomycete strains, proportion of isolated actinomicetes as 14 (15.5%), 14 (15.5%), 18 (20.0%) and 2 (2.2%) strains produced high amounts of proteinase, xylanase, CMCase and avicelase, respectively.  Furthermore, 10 (11.1%) strains also inhibited of plant pathogens. These strains were identified by using 16S rDNA sequencing analysis. Nine strains were identified as the genus Streptomyces, only one strain was identified as the genus Micromonospora. The results indicated that the actinomycetes strains found in the mangrove soils are potential sources of enzyme and anti-bacterial or anti-fungal compounds. However, further studies in characteristics of enzymes and their biological potentials would be useful for applying in other sectors.