Gram-negative fac anaerobe ⛳️ Flashcards
▪ fish or marine pathogen 🦀🐠🌊
▪ small rods
▪ occur singly or in pairs
▪ motile
▪ psychrotrophs
▪ found in aquatic environments 🫧
Aeromonas hydrophila
▪ straight rod, motile mesophile that appears in single or in pairs
▪ found in intestinal contents of humans, animals, and birds
▪ included in the coliform groups as an indicator of sanitation 🧼🚰
Citrobacter freundii
▪ involved with powdered 🍼 infant formula
▪ motile, mesophilic rods
▪ oxidase-negative, catalase-positive
▪ found in the intestinal contents of humans, animals, and birds 👩💼🐥🐻
Cronobacter sakazakii
▪ straight rod, motile or non-motile mesophile
▪ found in the intestinal contents of humans, warm-blooded animals, and birds 👩💼🐥🐻
▪ pathogenic to humans and animals 🩹
▪ an indicator of sanitation in coliform and fecal coliform groups 🧼🚰
Escherichia coli
▪ straight rod, motile mesophile
▪ found in the intestinal contents of humans, animals, and birds 👩💼🐥🐻
▪ pathogenic to humans and animals 🩹
▪ an indicator of sanitation in coliform 🧼🚰 group
Enterobacter aerogenes
▪ small, motile rods
▪ found in the intestines of cold- blooded 🧛♂️ animals and in freshwater 💧
▪ pathogenic to humans 🩹
Edwardsiella
▪ small, motile rods
▪ occur in pairs or short chains
▪ optimum growth at 30°C
▪ plant pathogens 🌱 and cause spoilage of plant products
Erwinia amylovora
▪ small, motile mesophilic rods
▪ found in intestinal contents of humans, animals, and birds 👩💼🐥🐻
▪ associated with food spoilage 🍽
▪ may cause food poisoning 🤢
Hafnia alvei
▪ motile, capsulated, medium rod mesophile that occur singly or in pairs
▪ found in the intestinal contents of humans, animals, and birds 👩💼🐥🐻
▪ soil, water, and grains 🐾💦🌾
▪ indicator of sanitation in the coliform group 🧼🚰
Klebsiella pneumoniae
▪ small, motile mesophilic rods
▪ found in the intestinal contents of humans and animals 👩💼🐻
▪ can be pathogenic but has not been implicated in foodborne disease 🩹🍽
Morganella morganii
▪ suspected as a potential foodborne pathogen 🩹
▪ small, motile rods
▪ found in fish and aquatic animals 🐠🦀
▪ can be pathogenic but has not been implicated in foodborne disease 🩹🍽
Plesiomonas shigelloides
▪ straight, small rods
▪ highly motile
▪ form swarms on agar media 🧫🪰
▪ some grow at low temperatures
▪ occur in the intestinal contents of human and animals 👩💼🐻
▪ involved in food spoilage
Proteus vulgaris
▪ medium rods
▪ usually motile
▪ mesophiles
▪ found in the intestinal contents of humans, animals, birds, and insects 👩💼🐥🐛
▪ major cause of foodborne diseases 🆙🍽
Salmonella enterica
▪ medium, non-motile mesophilic rods
▪ found in the intestinal contents of humans and primates 🦧👩💼
▪ associated with foodborne diseases 🍽
Shigella dysenteriae
▪ small, motile rods
▪ colonies are white, pink, or red ⚪️🩷🔴
▪ some grow at refrigerated temperature
▪ occur in the environment
▪ cause food spoilage 🍽
Serratia liquefaciens
▪ small, motile or non-motile rods
▪ can grow at 1°C 💢
▪ present in the intestinal contents of animals
▪ occur in the environment
▪ has been involved in foodborne disease 🍽🆙 outbreaks
Yersinia enterocolitica
▪ curved, motile mesophilic rods
▪ found in freshwater 💦 and marine 🐠🦀 environments
▪ some species need NaCl 🧂 for growth
▪ pathogenic microorganism 🩹
Vibrio parahaemolyticus, vulnificus, cholerae, alginolyticus
▪ gram-negative rickettsia
▪ non-motile
▪ very small cells
▪ grow on host cells 🎙️
▪ relatively resistant to high temperature
▪ causes infection in cattle and Q fever in humans 🤒
Coxiella burnetii
