A lysine-iron agar is described and recommended for the detection of Arizona strains which ferment lactose rapidly. Black colonies which appear on bismuth sulfite agar should be transferred to the medium. Salmonellae and Arizona cultures produce a distinctive reaction since they are the only recognized groups of enteric bacteria which regularly produce lysine decarboxylase rapidly and form larg...

background: the main goal was to address the prevalence of enteric protozoan parasites in rural areas of bandar- abbas, southern iran and to compare the results with the only conducted study in 1978. methods: this descriptive study was performed from 2009 through 2010 on the 565 fecal samples. formalin-ether concentration technique was performed and the analysis was carried out using chi-square...

(Macro)-autophagy is a homeostatic process by which eukaryotic cells dispose of protein aggregates and damaged organelles. Autophagy is also used to degrade micro-organisms that invade intracellularly in a process termed xenophagy. Genome-wide association scans have recently identified autophagy genes as conferring susceptibility to Crohn's disease (CD), one of the chronic inflammatory bowel di...