bacteria
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Enterobacteriaceae gram | Gram-negative rods
🗑
|
||||
| Enterobacteriaceae oxidase and catalase | Oxidase-negative, Catalase-positive
🗑
|
||||
| Facultative anaerobes | Enterobacteriaceae
🗑
|
||||
| Ferment glucose, reduce nitrate to nitrite | Enterobacteriaceae
🗑
|
||||
| Most are motile by peritrichous flagella | Enterobacteriaceae
🗑
|
||||
| Enteric bacteria which tolerate bile salts in MacConkey agar | Enterobacteriaceae
🗑
|
||||
| Variety of clinical infections | Enterobacteriaceae
🗑
|
||||
| E. coli Salmonella Yersenia | Major enteric and systemic pathogens
🗑
|
||||
| Proteus Enterobacter Klebsiella othe | Opportunistic pathogens
🗑
|
||||
| Found in the intestinal tract of animals and humans | Enterobacteriaceae
🗑
|
||||
| Contaminate vegetation, soil and water | Enterobacteriaceae
🗑
|
||||
| Major pathogens | E. coli, Salmonella sp. and Yersinia sp
🗑
|
||||
| are involved in localized infections in diverse anatomical locations | Opportunistic pathogens
🗑
|
||||
| Gram-negative, short rods | E. coli
🗑
|
||||
| Most strains are motile by peritrichous flagella | E. coli
🗑
|
||||
| Often fimbriate | E. coli
🗑
|
||||
| A capsule is often present --- mucoid | E. coli
🗑
|
||||
| Grows well on a variety of media at 37 oC | E. coli
🗑
|
||||
| Characteristic growth on EMB (metallic sheen | E. coli
🗑
|
||||
| E. coli
🗑
|
|||||
| on-spore-forming | E. coli
🗑
|
||||
| Ferments lactose (pink colonies in MacConkey agar | E. coli
🗑
|
||||
| E. coli are serotyped on the basis of | lipopolysaccharide
🗑
|
||||
| lipopolysaccharide | “O” (Somatic), “H” (Flagellar) and “K” (Capsular
🗑
|
||||
| possesses non-flagellar appendages called pilli. | E. coli
🗑
|
||||
| pilli. Important types | K88 or F4, K99 or F5, and 987P or F6
🗑
|
||||
| are almost always associated with isolates from swine | K88 and 987P
🗑
|
||||
| associated with isolates from cattle, sheep, swine | K99
🗑
|
||||
| Occurs due to the colonization of the intestinal tract from environmental sources, shortly after birth | Colibacillosis in mammals
🗑
|
||||
| Colibacillosis as a primary infection | by shell penetration, inhalation in the hatchery & occurs during the first few days of age
🗑
|
||||
| Colibacillosis as a secondary infection | complicating agent during the growing period
🗑
|
||||
| Occurs due to the colonization of the intestinal tract from environmental sources, shortly after birth | Colibacillosis in mammals
🗑
|
||||
| the mechanism of pathogenesis | Based on (1) Tissue localization of E.coli and (2) Biological activity of E.coli toxin
🗑
|
||||
| Enterotoxigenic E.coli (ETEC) strain that causes | Enteric colibacillosis and Enterotoxemic colibacillosis
🗑
|
||||
| strain that cause Local invasive colibacillosis | Enteropathogenic E.coli (EPEC)
🗑
|
||||
| strain that cause Septicemic colibacillosis | Enteroinvasive E.coli (EIEC)
🗑
|
||||
| strain that cause Hemorrhagic Uremic Syndrome (HUS) in children | Enterohemorrhagic E.coli (EHEC)
🗑
|
||||
| Causes diarrhea in animals 2 weeks to 1 month of age | Enteric colibacillosis caused by (ETEC
🗑
|
||||
| Produce Enterotoxins (Exotoxins): 1. Heat-labile (LT) type (Immunogenic) and 2. Heat-stable (ST) type (Non-immunogenic) | Enteric colibacillosis caused by (ETEC
🗑
|
||||
| Produce Pilus antigens (K antigens), important for adherence & colonization | Enteric colibacillosis caused by (ETEC
🗑
|
||||
| Causes Neonatal diarrhea in animals less than 1 week of age | Enterotoxemic colibacillosis caused by (ETEC
🗑
|
||||
| Produce Enterotoxins (Exotoxins): 1. Heat-labile (LT) type (Immunogenic) and 2. Heat-stable (ST) type (Non-immunogenic | Enterotoxemic colibacillosis caused by (ETEC
🗑
|
||||
| Produce pilus antigens (K antigens | Enterotoxemic colibacillosis caused by (ETEC
🗑
|
||||
| K antigens involved in Neonatal diarrhea: K88 (piglets) and K99 (calves | Enterotoxemic colibacillosis caused by (ETEC
🗑
|
||||
| There is absorption of toxins | Enterotoxemic colibacillosis caused by (ETEC
🗑
|
||||
| Causes Local invasive colibacillosis | Enteropathogenic Colibacillosis caused by (EPEC
🗑
|
||||
| Local invasion and destruction of intestinal epithelium by E.coli ( invade beyond epithelium to the lamina propria | Enteropathogenic Colibacillosis caused by (EPEC
🗑
|
||||
| Not enterotoxigenic (do not produce enterotoxins) and do not become bacteremic or septicemic (do not produce endotoxin) | Enteropathogenic Colibacillosis caused by (EPEC
🗑
|
||||
| Diarrhea is associated with colonization, attachment and destruction of microvilli | Enteropathogenic Colibacillosis caused by (EPEC
🗑
|
||||
| Mechanism of invasion not known | Enteropathogenic Colibacillosis caused by (EPEC
🗑
|
||||
| Associated with bacteremia or septicemia | Septicemic colibacillosis (Colisepticemia) caused by (EIEC
🗑
|
||||
| Endotoxin-mediated | Septicemic colibacillosis (Colisepticemia) caused by (EIEC
🗑
|
||||
| May or may not have diarrhea or intestinal lesions | Septicemic colibacillosis (Colisepticemia) caused by (EIEC
🗑
|
||||
| Enters thru respiratory or intestinal tract | Septicemic colibacillosis (Colisepticemia) caused by (EIEC
🗑
|
||||
| Multiply in blood or tissue | Septicemic colibacillosis (Colisepticemia) caused by (EIEC
🗑
|
||||
| Fibrinopurulent systemic lesions in different organs such as pericardium, liver and heart | Septicemic colibacillosis (Colisepticemia) caused by (EIEC
🗑
|
||||
| are present in E. coli similar to many other Gram- negative bacteria | Endotoxins
🗑
|
||||
| They are part of the outer layer of the cell wall. Embedded in the outer membrane of the cell | Endotoxins
🗑
|
||||
| It is a complex phospholipids-polysaccharide-protein macromolecule | Endotoxins
🗑
|
||||
| Endotoxins are released in soluble form during bacterial growth and liberated when bacteria lyse | Endotoxins
🗑
|
||||
| They are less toxic than exotoxins | Endotoxins
🗑
|
||||
| Pyrogenic | Endotoxins
🗑
|
||||
| Causes leucopenia, hypotension | Endotoxins
🗑
|
||||
| Complement activation | Endotoxins
🗑
|
||||
| Intravascular coagulation | Endotoxins
🗑
|
||||
| Death | Endotoxins
🗑
|
||||
| also produce EXOTOXINS | Certain strains of E. coli (ETEC
🗑
|
||||
| Certain strains of E. coli (ETEC) also produce EXOTOXINS Two types | Heat-labile and Heat-stable exotoxin
🗑
|
||||
| Large immunogenic portion | Heat labile type
🗑
|
||||
| Non-immunogenic | Heat stable type
🗑
|
||||
| These exotoxins are produced in the intestines | ENTEROTOXINS
🗑
|
||||
| They attach to different receptors on the intestinal epithelium | ENTEROTOXINS
🗑
|
||||
| ENTEROTOXINS activate adenylate cyclase which results in increased | cAMP
🗑
|
||||
| The increased cAMP causes | hyper secretion of water and chlorides into the gut lumen resulting in fluid loss
🗑
|
||||
| Very soon after birth a neonate ingests | E. coli
🗑
|
||||
| may inhibit the sudden and abnormal rate of multiplication of these organisms in the intestines | Colostrum
🗑
|
||||
| should receive 50 ml to 80 ml (or 5% body weight) colostrum/kg body weight within the first 12 hours of birth. Repeat 18 to 20 hours | Calves
🗑
|
||||
| can be frozen for several months, with almost no deterioration | Colostrum
🗑
|
||||
| Thaw in lukewarm water before you use | frozen Colostrum
🗑
|
||||
| Occurs in calves under 2 weeks but has been seen in calves up to a month old | Enteric colibacillosis (ETEC): E.coli with K99 pili
🗑
|
||||
| Typically occurs in calves 4 to 5 days old | Septicemic colibacillosis or colisepticemia (EIEC
🗑
|
||||
| Excess fluid in the intestineDiarrhea for several daysMucus present | Enteric colibacillosis (ETEC): E.coli with K99 pili
🗑
|
||||
| Septicemic colibacillosis or colisepticemia (EIEC | E. coli infections in Cattle
🗑
|
||||
| there is no scouring. In most acute cases there may be no temperature as the septicemia is overwhelming | In acute colisepticemia
🗑
|
||||
| is associated with cases of acute mastitis bovine | E. coli
🗑
|
||||
| Usually associated with poor sanitation | Bovine Mastitis
🗑
|
||||
| One or more quarters of the udder become swollen and painful | Bovine Mastitis
🗑
|
||||
| High temperature, 103 to 108 oF | Bovine Mastitis
🗑
|
||||
| Milk production falls rapidly and may cease | Bovine Mastitis
🗑
|
||||
| Vaccines usually contains E.coli, Streptococcus sp. & Staphylococcus sp | Bovine Mastitis
🗑
|
||||
| Pigs are susceptible to disease during the first 14 weeks or so after birth | E. coli
🗑
|
||||
| E. coli infection in Pigs Various names have been given to these conditions according to the | age, symptoms and lesions
🗑
|
||||
| 1 to 12 days of age | Neonatal colibacillosis/Piglet scours
🗑
|
||||
| Diarrhea, dehydration with high mortality - 70% | Neonatal colibacillosis/Piglet scours
🗑
|
||||
| Edema disease (Post-weaning colibacillosis | E. coli enterotoxemia (ETEC
🗑
|
||||
| Occurs at about 1 week after weaning | Edema disease (Post-weaning colibacillosis) E. coli enterotoxemia (ETEC
🗑
|
||||
| An acute, highly fatal neurological disorder | Edema disease (Post-weaning colibacillosis) E. coli enterotoxemia (ETEC
🗑
|
||||
| The disease is dependent upon colonization of small intestine by E. coli that produces a toxin | Edema disease (Post-weaning colibacillosis) E. coli enterotoxemia (ETEC
🗑
|
||||
| staggering gait, muscular tremors & spasms, edema of eyelids, subcutaneous sub-serosal edema | Edema disease (Post-weaning colibacillosis) E. coli enterotoxemia (ETEC
🗑
|
||||
| All edema producing E. coli produce hemolysin and have K88 pili antigens | Edema disease (Post-weaning colibacillosis) E. coli enterotoxemia (ETEC
🗑
|
||||
| Toxin causes arterial degeneration and increased vascular permeability | Edema disease (Post-weaning colibacillosis) E. coli enterotoxemia (ETEC
🗑
|
||||
| Yolk sac of embryos is the center of infection | E.coli infection in Poultry
🗑
|
||||
| Occurs in all types and age groups of poultry | E. coli infection
🗑
|
||||
| Associated with dusty litter | Airsacculitis
🗑
|
||||
| Navel infection | Omphalitis
🗑
|
||||
| A variety of syndromes from which E. coli has been isolated | Enteritis Coligranuloma Synovitis and arthritis
🗑
|
||||
| A new disease of racing greyhounds ” caused by O157:H7 strain | Alabama Rot
🗑
|
||||
| Lactose fermenter, non hemolytic | Enterobacter
🗑
|
||||
| Found widely in nature | Enterobacter
🗑
|
||||
| is the species of veterinary importance | Enterobacter aerogenes
🗑
|
||||
| They are opportunistic pathogens | Enterobacter
🗑
|
||||
| can be associated with mastitis in cows and sows | Enterobacter aerogenes
🗑
|
||||
| Lactose fermenter, non hemolytic | Klebsiella
🗑
|
||||
| Opportunistic pathogenHas a large polysaccharide capsule | Klebsiella
🗑
|
||||
| Associated with mastitis in cattle, cervicitis and endometritis in mares | Klebsiella
🗑
|
||||
| pneumonia in calves and foals and urinary tract infections in dogs | Klebsiella
🗑
|
||||
| Lactose non-fermenter | Proteus
🗑
|
||||
| Motile, characteristic swarming on blood agar and non- hemolytic | Proteus
🗑
|
||||
| Hydrolyze urea. Deaminate phenylalanine and produce H2S | Proteus
🗑
|
||||
| Otitis externa in dogs | Proteus
🗑
|
||||
| are the species of veterinary importance. | Proteus mirabilis and Proteus vulgaris
🗑
|
||||
| in dogs and horses Urinary tract infections are frequently caused by | Proteus
🗑
|
||||
| Gram negative rods, oxidase negative | Klebsiella
🗑
|
||||
| Blood agar: Large, wet mucoid, whitish-grey | Klebsiella
🗑
|
||||
| MacConkey agar: Pink, slimy coalescing, not surrounded by red haze (D/D: E.coli | Klebsiella
🗑
|
||||
| Metritis and cervicitis in mares | K. pneumoniae
🗑
|
||||
| Pneumonia and suppurative lesions in calves and foals; Mastitis in cows on wood shavings and sawdust; Urinary tract infections in dogs | Klebsiella
🗑
|
||||
| Treatment: Amoxicillin-Clavulanate, enrofloxacin, tetracycline, trimethoprim-sulfonamide | Klebsiella
🗑
|
||||
| Susceptibility test recommended | Klebsiella
🗑
|
||||
| Gram negative coccobacilli, non-hemolytic, slow growth in MacConkey | Yersenia
🗑
|
||||
| are important human and animal pathogens | Y. enterocolitica, Y. pestis and Y. pseudotuberculosis
🗑
|
||||
| causes enteric red-mouth of fish & infection usually results in hemorrhagic septicemia | Y. ruckeri
🗑
|
||||
| causative agent of human plague. (Cats are infected most frequently than other domestic animals --- source of infection to humans | Y. pestis
🗑
|
||||
| human enteric pathogen | Y. enterocolitica
🗑
|
||||
| enteric (wild & domestic animals & septicemic (cage birds & laboratory rodents | Y. pseudotuberculosis
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
alljacks
Popular Veterinary sets