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Fossil fuels that can be accessed economically are running out due to stress upon usage of oil, coal, and natural gas for long time and increasing in the population earth. So, new fuel resources have to be created to face the limitations of traditional fuel. Different marine biomass have been converted to usable energy forms. For instance, many microorganisms including: microalgae, yeast, bacteria and fungi have ability to accumulate neutral lipids under specific cultivation conditions. Microbial lipids contain high fractions of poly-unsaturated fatty acids and have the potential to serve as...

Despite its healthy growth, the aquaculture industry still faces problems with diseases which can affect its sustainability. Infectious diseases caused by bacteria, fungi and viruses are continuing threats to consistent industry growth. The heavy use of antibiotics could be detrimental to the health of fish. This practice encourages the evolution of resistant pathogenic strains. Nowadays researches on a worldwide basis have paid attention towards the potential of marine microorganisms as an alternative source for isolation of novel metabolites with interesting biological and pharmatheutical...