The genus Streptomyces is considered to be of great industrial importance because of its ability to produce secondary metabolites that account for 80% of the antibiotics currently in use. To optimise the production of antimicrobial compounds from three strains of Streptomyces spp. isolated from the Amazon’s soil, we investigated the influence of physical (temperature, pH, agitation and time) an...

Exploitation and overuse of antibiotics in the health sectors leads to the development of resistance mechanism in microbes against antibiotics. As a consequence, there is a vital need to develop effective lead compound from natural sources. Compounds derived from marine habitat have a remarkable nature of unique chemical structures and exhibit bioactivity, so it can be used in the treatment aga...

The aminoglycoside antibiotic gentamicin is produced by Micromonosporapurpurea strains1 > 2). A gene cloning system for these organisms would be useful both in the study of the organization and regulation of gentamicin biosynthesis genes and, hopefully, for the improvement of the productivity of the strains. Efficient host-vector system and transformation methods have already been developed for...

A total of 231 different soil Streptomyces isolates were recovered from 16 different locations in North Jordan. They were assessed for their phytotoxic activity on seeds of cucumber (Cucumis sativus L.) and ryegrass (Lolium perenne L.) placed adjacent to a 2 cm wide Streptomyces culture strips grown at 28C degrees for 3 weeks on starch casein nitrate (SCN) agar. Phytotoxicity was ascertained on...

Marine actinomycetes are potential source for the discovery of novel compounds and enzymes. Though extensive research on marine actinomycetes is underway globally, the actinomycetes research from Indian marine ecosystem is unexplored and understudied. Hence, the present research is focussed on the screening of bioactive compounds from marine actinomycetes isolated from Indian coastal region. Th...

The enzymes from the microbial sources are more stable and can be obtained cheap sources. Amylase is most important industrial enzyme which widely used in food biofuel industries. Streptomyces a group of bacteria belongs to largest genus Actinobacteria commonly isolated soil. species have been as cell industries for production antibiotics. For antibiotics, frequently cells. This study reported ...

Marine microorganisms are important sources for novel natural products. Hence, the aim of this study was introducing the marine microorganisms with capability to produce antioxidant and cytotoxic metabolites. For this purpose, ten live sea cucumbers (Holothuria leucospilota) were collected from Larak Island. Then, their intestine contents were serially diluted and treated by heating (55 °c). 10...

The antibiotic meroparamycin was produced in the free culture system of Streptomyces sp. strain MAR01. Five solid substrates (rice, wheat bran, Quaker, bread, and ground corn) were screened for their ability to support meroparamycin production in solid-state fermentation. In batch culture, wheat bran recorded the highest antibacterial activity with the lowest residual substrate values. The high...