Gram-negative facultative anaerobic rods

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Vibrio cholerae • Most important species in the genus Vibrio • On the basis of O antigen more than 100 serogroups are recognized; all carry the same flagella antigen • Large epidemics are caused by serogroups O1 and O139 • The O1 strains have two biotypes: - classic - El Tor • Both groups are subdivided according to the structure of the O antigen for serotypes: Ogawa, Inaba, Hikojima
Vibrio cholerae • Natural habitat: sea (Banghlades), lives in copepods (crustacean); dormant form survives for months in the sediment of estuaries • Transmission: water, food (many bacteria are required for infection) • Epidemics: often pandemics (prevalent in India, black Afrika, South-America)
Page 1 and 2: The normal gastrointestinal flora G
Page 3 and 4: The normal human gastrointestinal f
Page 5 and 6: Ingestion of lactobacillus strain r
Page 7 and 8: Enterobacteriaceae: most important
Page 9 and 10: Klebsiella pneumoniae Klebsiella ox
Page 11 and 12: Eosin-methylene blue agar Selective
Page 13 and 14: SSI Bi VA Klebsiella DC EM Br
Page 15 and 16: Klebsiella growing on blood agar pl
Page 17 and 18: Serratia marcescens growing on bloo
Page 19 and 20: Uropathogenic E. coli • Causes 90
Page 21 and 22: Enterobacteriaceae: Antibiotic resi
Page 23 and 24: β-lactamase enzymes The most impor
Page 25 and 26: Conditions promoting the developmen
Page 27 and 28: Genetic susceptibility to infection
Page 29 and 30: Enteropathogenic (dyspepsia) E. col
Page 31 and 32: Enteroinvasive E. coli (EIEC) • S
Page 33 and 34: Enteroaggregative E. coli (EAEC)
Page 35: Vibrionaceae family • Most import
Page 39 and 40: Cholera (2) • Diagnosis: isolatio
Page 42 and 43: Other vibrios • Halophile vibrios
Page 44 and 45: Campylobacter - Gram stain
Page 46 and 47: Recorded cases of campylobacterosis
Page 48 and 49: Helicobacter pylori • About 50% o
Page 50 and 51: Therapy: Helicobacter pylori - ceph
Page 52 and 53: Helicobacter pylori: pathogenicity
Page 54: Thank you for your attention

Gram-negative facultative anaerobic rods

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