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Does bacterial surface hydrophobicity level influence their immobilization onto natural zeolite?

Bacterium Acinetobacter baumannii is nowadays an emerging hospital pathogen. From colonised or infected patients, A. baumannii is disseminated into the natural water environments. Due to the resistance of this bacterium to the conventional methods of water disinfection, alternative methods of A. baumannii removal from water are needed. There is no literature data how the hydrophobicity level of A. baumannii isolates influences the immobilization onto hydrophilic surface of natural zeolitized tuff (NZ). The immobilization of hydrophilic and hydrophobic isolate of A. baumannii onto NZ was examined. Both hydrophilic and hydrophobic isolate was successfully immobilized onto NZ, whereby hydrophobic isolate in a higher abundance than hydrophilic one. The NZ is a promising material for the capture of isolates of pathogenic bacteria A. baumannii from water, and could find application in water treatment technology.

Acinetobacter baumannii, bacteria, hydrophobic, hydrophilic, immobilization, natural zeolite

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