The sphingolipids comprise a complex range of lipids in which fatty acids are linked via amide bonds to a long-chain base or sphingoid. The root term “sphingo-” was first coined by J.L.W. Thudichum in 1884 because the enigmatic nature of the molecules reminded him of the riddle of the sphinx. The term “sphingolipide” was introduced by Herbert Carter and colleagues in 1947. While they are perhap...

BACKGROUND Sphingobacterium spiritivorum is a glucose non-fermenting Gram-negative rod, formerly classified as one of the Flavobacterium species. It is characterized by a large number of cellular membrane sphingophospholipids. Sphingobacterium species are ubiquitous and isolated from natural environments, such as soil and water. However, they rarely cause infections in humans. Only a limited nu...

The fate of doxycycline (DC), a second generation tetracycline antibiotic, in the environment has drawn increasing attention recent years due to its wide usage. Little is known about biodegradability DC environment. objective this study was characterize biotransformation by pure bacterial strains with respect reaction kinetics under different environmental conditions and products. Two strains, ...

Oil contamination in Iran due to high application of oil compounds, is one of the most dangerous pollution factors. Bioremediation is one of principal strategies for remediation, where in the pollutants can be removed by use of microorganism or any biological process that uses microorganisms or their enzymes to return the environment altered by contaminants to its original condition. With regar...

Tarakan City is a hatchery center for giant tiger prawn larvae production. However, the quality of produced still far from expectations, namely free pathogens and capable being resistant to disease. Observation bacterial infection in growth phase was carried out determine cause proper treatment hatchery. The results showed that isolation bacteria prawns post using 3% TSA media obtained 8 isolat...