Growth, Pigmentation, Photosynthesis and Morphological Characterization of Crude Oil degrading Cyanobacterium Phormidium sp. ISC۱۰۴

The marine environment is highly susceptibleto pollution by petroleum, so it is importantto understand how microorganisms degrade hydrocarbons.In this research the effects of crudeoil on morphological and physiological characterizationof the cyanobacterium Phormidiumsp. ISC۱۰۴ were investigated. With respect tothe physiological responses, cyanobacteriumoptimum growth was observed in ۱% crude oil.The most of chlorophyll content was observedin control sample. Phycobiliproteins had thehighest rate in ۱% crude oil. According to biodegradation,the results suggested that Phormidiumsp. ISC۱۰۴ can reduce oil content by۲۴.۵۴ and ۴۳.۸۲% after ۱۴ and ۲۸ days respectively.In morphological point of view, dimensionsof cells were not significantly impressed,although a slightly decrease was observed in ۵and ۷% crude oil in comparison to control. Thisstudy demonstrated that crude oil doesn’t havedestructive effect on cyanobacterium Phormidiumsp. ISC۱۰۴ up to ۱%, indicating the potentialof this cyanbacteriumin biodegrading thispollutant.

کلیدواژه ها:

Biodegradation ، Morphology ، Oil pollution ، Phormidium ، Physiology