pisarad kaitsevad - mehhaaniline + lüsosüüm jt. § Mikroobidel vähe võimalusi koloniseerida silma sarvkesta, kui ei saa kinnituda ja vältida lüsosüümi. Võimalus suureneb sarvkesta vigastuse korral. Urotrakti mikrobioota § Uriin on normaalselt steriilne! § Kusemine iga paari tunni tagant, mikroobidel probleeme, et kinnituda limaskestale. § Ureetra välisosas floora: Staphylococcus epidermidis, Streptococcus faecalis, - hemolüütilised streptokokid, lisaks Enterobacteriacea sugukonna liikmed (Escherichia coli, Proteus) ja korünerformsed bakterid. Genitaaltrakti mikrobioota § Meestel sama mis urotraktis. § Tupp koloniseerub varsti peale sündi: korüünebakterid, stafülokokid, streptokokkidega, E. coli ja Lactobacillus. § Reproduktiivses eas sisaldab tupp östrogeenide tulemusena glükogeeni, seda lagundavd laktobatsillid piimhappeks. Piimhape takistab paljude teiste bakte-rite, v.a. laktobatsillid, paljunemist. Madal pH
beef, sausage, chicken, raw milk, and oysters. 1990) showed that a pool of seven phage Phage concentration as high as 6.3 × 106 PFU/g strains failed to lyse 43.8% of 1,023 strains was found on chicken skin. Not surprisingly, of naturally isolated pseudomonads from most isolated were invaders of Pseudomonas beef, pork, and lamb. When added to refrig- spp., followed by Gram-positive cocci and erated, naturally contaminated beef rib-eye members of the Enterobacteriacea family. steaks, the same phage pool remained Similarly, Atterbury et al. (2003) isolated 34 viable throughout the study and significantly Campylobacter phages from retail chicken reduced Pseudomonas growth, but did not meat. significantly affect shelf-life duration. The Because of the naturally wide prevalence authors concluded that phage inability to
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