Burkholderia pseudomallei |
|
B. pseudomallei colonies on Ashdown's agar showing the characteristic cornflower head morphology. |
Scientific classification |
Kingdom: |
Bacteria |
Phylum: |
Proteobacteria |
Class: |
Beta Proteobacteria |
Order: |
Burkholderiales |
Family: |
Burkholderiaceae |
Genus: |
Burkholderia |
Species: |
B. pseudomallei |
Binomial name |
Burkholderia pseudomallei
(Whitmore 1913)
Yabuuchi et al. 1993[1] |
Synonyms |
Bacillus pseudomallei Whitmore 1913
Bacterium whitmori Stanton and Fletcher 1921
Malleomyces pseudomallei Breed 1939
Loefflerella pseudomallei Brindle and Cowan 1951
Pfeiferella pseudomallei
Pseudomonas pseudomallei (Whitmore 1913) Haynes 1957
|
Burkholderia pseudomallei (also known as Pseudomonas pseudomallei) is a Gram-negative, bipolar, aerobic, motile rod-shaped bacterium.[2] It infects humans and animals and causes the disease melioidosis. It is also capable of infecting plants.[3]
B. pseudomallei measures 2–5 μm in length and 0.4–0.8 μm in diameter and is capable of self-propulsion using flagellae. The bacteria can grow in a number of artificial nutrient environments, especially betaine- and arginine-containing ones.
In vitro, optimal proliferation temperature is reported around 40 °C in neutral or slightly acidic environments (pH 6.8–7.0). The majority of strains are capable of fermentation of sugars without gas formation (most importantly, glucose and galactose, older cultures are reported to also metabolize maltose and starch). Bacteria produce both exo- and endotoxins. The role of the toxins identified in the process of melioidosis symptom development has not been fully elucidated.[4]
Contents
- 1 Identification
- 2 Disinfection
- 3 Medical importance
- 4 Antibiotic treatment and sensitivity testing
- 5 Pathogenicity mechanisms and virulence factors
- 6 Vaccine candidates
- 7 References
- 8 External links
Identification
B. pseudomallei is not fastidious and will grow on a large variety of culture media (blood agar, MacConkey agar, EMB, etc.). Ashdown's medium (or Burkholderia cepacia medium) may be used for selective isolation.[5] Cultures typically become positive in 24 to 48 hours (this rapid growth rate differentiates the organism from B. mallei, which typically takes a minimum of 72 hours to grow). Colonies are wrinkled, have a metallic appearance, and possess an earthy odour. On Gram staining, the organism is a Gram-negative rod with a characteristic "safety pin" appearance (bipolar staining). On sensitivity testing, the organism appears highly resistant (it is innately resistant to a large number of antibiotics including colistin and gentamicin) and that again differentiates it from B. mallei, which is in contrast, exquisitely sensitive to a large number of antibiotics. For environmental specimens only, differentiation from the nonpathogenic B. thailandensis using an arabinose test is necessary (B. thailandensis is never isolated from clinical specimens).[6] The laboratory identification of B. pseudomallei has been described in the literature.[7]
The classic textbook description of B. pseudomallei in clinical samples is of an intracellular, bipolar-staining, Gram-negative rod, but this is of little value in identifying the organism from clinical samples.[7] Some[8] suggest the Wayson stain is useful for this purpose, but this has been shown not to be the case.[9]
Laboratory identification of B. pseudomallei can be difficult, especially in Western countries where it is rarely seen. The large wrinkled colonies look like environmental contaminants, so are often discarded as being of no clinical significance. Colony morphology is very variable and a single strain may display up multiple colony types,[10][11] so inexperienced laboratory staff may mistakenly believe the growth is not pure. The organism grows more slowly than other bacteria that may be present in clinical specimens, and in specimens from nonsterile sites, is easily overgrown. Nonsterile specimens should, therefore, be cultured in selective media (e.g., Ashdown's[12][13] or B. cepacia medium).[5] For heavily contaminated samples, such as faeces, a modified version of Ashdown's that includes norfloxacin, amoxicillin, and polymyxin B has been proposed.[14] In blood culture, the BacT/ALERT MB system (normally used for culturing Mycobacterium) by bioMérieux has been shown to have superior yields compared to conventional blood culture media.[15]
Even when the isolate is recognised to be significant, commonly used identification systems may misidentify the organism as Chromobacterium violaceum or other nonfermenting, Gram-negative bacilli such as Burkholderia cepacia or Pseudomonas aeruginosa.[16][17] Again, because the disease is rarely seen in western countries, identification of B. pseudomallei in cultures may not actually trigger alarms in physicians unfamiliar with the disease.[18] Routine biochemical methods for identification of bacteria vary widely in their identification of this organism: the API 20NE system accurately identifies B. pseudomallei in 99% of cases,[19] as does the automated Vitek 1 system, but the automated Vitek 2 system only identifies 19% of isolates.[17]
The pattern of resistance to antimicrobials is distinctive, and helps to differentiate the organism from P. aeruginosa. The majority of B. pseudomallei isolates are intrinsically resistant to all aminoglycosides (via an efflux pump mechanism),[20] but sensitive to co-amoxiclav:[21] this pattern of resistance almost never occurs in P. aeruginosa and is helpful in identification.[22] Unfortunately, the majority of strains in Sarawak, Borneo, are susceptible to aminoglycosides and macrolides, which means the conventional recommendations for isolation and identification do not apply there.[23]
Molecular methods (PCR) of diagnosis are possible, but not routinely available for clinical diagnosis.[24][25] Fluorescence in situ hybridisation has also been described, but has not been clinically validated, and it is not commercially available.[26] In Thailand, a latex agglutination assay is widely used,[19] while a rapid immunofluorescence technique is also available in a small number of centres.[27]
Disinfection
B. pseudomallei is susceptible to numerous disinfectants, including benzalkonium chloride, iodine, mercuric chloride, potassium permanganate, 1% sodium hypochlorite, 70% ethanol, 2% glutaraldehyde, and to a lesser extent, phenolic preparations.[28] B. pseudomallei is effectively killed by the commercial disinfectants, Perasafe and Virkon.[29] The microorganism can also be destroyed by heating to above 74 °C for 10 min or by ultraviolet irradiation. B. pseudomallei is not reliably disinfected by chlorine.[30][31]
Medical importance
Main article: Melioidosis
B. pseudomallei infection in humans is called melioidosis. The mortality of melioidosis is 20 to 50% even with treatment.[21]
Antibiotic treatment and sensitivity testing
Main article: Melioidosis treatment
The antibiotic of choice is ceftazidime.[21] While various antibiotics are active in vitro (e.g., chloramphenicol, doxycycline, co-trimoxazole), they have been proven to be inferior in vivo for the treatment of acute melioidosis.[32] Disc diffusion tests are unreliable when looking for co-trimoxazole resistance in B. pseudomallei (they greatly overestimate resistance) and Etests or agar dilution tests should be used in preference.[33][34] The actions of co-trimoxazole and doxycycline are antagonistic, which suggests these two drugs ought not to be used together.[35]
The organism is intrinsically resistant to gentamicin[36] and colistin, and this fact is helpful in the identification of the organism.[37] Kanamycin is used to kill B. pseudomallei in the laboratory, but the concentrations used are much higher than those achievable in humans.[38]
Pathogenicity mechanisms and virulence factors
B. pseudomallei is an "accidental pathogen". An environmental organism, it has no requirement to pass through an animal host to replicate. From the point of view of the bacterium, human infection is an evolutionary "dead end".[39]
Strains which cause disease in humans differ from those causing disease in other animals by possessing certain genomic islands.[40] It may have the ability to cause disease in humans because of DNA it has acquired from other microorganisms.[40] The mutation rate is also high, and the organism continues to evolve even after infecting the host.[41]
B. pseudomallei is able to invade cells (it is an intracellular pathogen).[42] It is able to polymerise actin and to spread from cell to cell, causing cell fusion and the formation of multinucleated giant cells.[43] The bacterium also expresses a toxin called lethal factor 1.[44] B. pseudomallei is one of the first Proteobacteria to be identified as containing an active type-6 secretion system. it is also the only organism identified that contains up to six different ones.[45]
B. pseudomallei is intrinsically resistant to a large number of antimicrobial agents. One important mechanism is that it is able to pump drugs out of the cell, and this mediates resistance to aminoglycosides (AmrAB-OprA), tetracyclines, fluoroquinolones, and macrolides (BpeAB-OprB).[46]
Vaccine candidates
No vaccine is currently available, but a number of vaccine candidates have been suggested. Aspartate-β-semialdehyde dehydrogenase (asd) gene deletion mutants are auxotrophic for diaminopimelate (DAP) in rich media and auxotrophic for DAP, lysine, methionine, and threonine in minimal media.[47] The Δasd bacterium (bacterium with the asd gene removed) protects against inhalational melioidosis in mice.[48]
References
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- ^ "Burkholderia pseudomallei". VirginiaTech Pathogen Database. Retrieved 2006-03-26.
- ^ Lee YH, Chen Y, Ouyang X, Gan YH (2010). "Identification of tomato plant as a novel host model for Burkholderia pseudomallei". BMC Microbiol 10: 28. doi:10.1186/1471-2180-10-28. PMC 2823722. PMID 20109238.
- ^ Haase A, Janzen J, Barrett S, Currie B (July 1997). "Toxin production by Burkholderia pseudomallei strains and correlation with severity of melioidosis". Journal of Medical Microbiology 46 (7): 557–63. doi:10.1099/00222615-46-7-557. PMID 9236739.
- ^ a b Peacock SJ, Chieng G, Cheng AC et al. (October 2005). "Comparison of Ashdown's medium, Burkholderia cepacia medium, and Burkholderia pseudomallei selective agar for clinical isolation of Burkholderia pseudomallei". Journal of clinical microbiology 43 (10): 5359–61. doi:10.1128/JCM.43.10.5359-5361.2005. PMC 1248505. PMID 16208018.
- ^ Chaiyaroj SC, Kotrnon K, Koonpaew S, Anantagool N, White NJ, Sirisinha S (1999). "Differences in genomic macrorestriction patterns of arabinose-positive (Burkholderia thailandensis) and arabinose-negative Burkholderia pseudomallei". Microbiology and immunology 43 (7): 625–30. doi:10.1111/j.1348-0421.1999.tb02449.x. PMID 10529102.
- ^ a b Walsh AL, Wuthiekanun V (1996). "The laboratory diagnosis of melioidosis.". Br J Biomed Sci 53 (4): 249–53. PMID 9069100.
- ^ Brundage WG, Thuss CJ, Walden DC (March 1968). "Four fatal cases of melioidosis in U. S. soldiers in Vietnam. Bacteriologic and pathologic characteristics". The American journal of tropical medicine and hygiene 17 (2): 183–91. PMID 4869109.
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- ^ Ashdown LR (1979). "An improved screening technique for isolation of Pseudomonas pseudomallei from clinical specimens". Pathology 11 (2): 293–7. doi:10.3109/00313027909061954. PMID 460953.
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- ^ Jorakate P, Higdon M, Kaewpan A et al. (2015). "Contribution of the BacT/ALERT MB Mycobacteria Bottle to bloodstream infection surveillance in Thailand: added yield for Burkholderia pseudomallei.". J Clin Microbiol 53 (3): 910–4. doi:10.1128/JCM.02008-14. PMID 25588650.
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- ^ Kite-Powell A, Livengood JR, Suarez J et al. (2006). "Imported Melioidosis—South Florida, 2005". Morb Mortal Wkly Rep 55 (32): 873–6. PMID 16915220.
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- ^ a b c Wuthiekanun V, Peacock SJ (June 2006). "Management of melioidosis". Expert review of anti-infective therapy 4 (3): 445–55. doi:10.1586/14787210.4.3.445. PMID 16771621.
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- ^ Podin Y, Sarovich DS, Price EP, Kaestli M, Mayo M, Hii K et al. (2013). "Burkholderia pseudomallei from Sarawak, Malaysian Borneo are predominantly susceptible to aminoglycosides and macrolides". Antimicrob Agents Chemother 58 (1): 162–6. doi:10.1128/AAC.01842-13. PMID 24145517.
- ^ Ruppitsch W, Stöger A, Indra A et al. (March 2007). "Suitability of partial 16S ribosomal RNA gene sequence analysis for the identification of dangerous bacterial pathogens". Journal of applied microbiology 102 (3): 852–9. doi:10.1111/j.1365-2672.2006.03107.x. PMID 17309636.
- ^ Wattiau P, Van Hessche M, Neubauer H, Zachariah R, Wernery U, Imberechts H (March 2007). "Identification of Burkholderia pseudomallei and related bacteria by multiple-locus sequence typing-derived PCR and real-time PCR". Journal of clinical microbiology 45 (3): 1045–8. doi:10.1128/JCM.02350-06. PMC 1829090. PMID 17251403.
- ^ Hagen RM, Frickmann H, Elschner M et al. (2011). "Rapid identification of Burkholderia pseudomallei and Burkholderia mallei by fluorescence in situ hybridization (FISH) from culture and paraffin-embedded tissue samples". Int J Med Microbiol 301 (7): 585–90. doi:10.1016/j.ijmm.2011.04.017. PMID 21658996.
- ^ Wuthiekanun V, Desakorn V, Wongsuvan G et al. (April 2005). "Rapid immunofluorescence microscopy for diagnosis of melioidosis". Clinical and diagnostic laboratory immunology 12 (4): 555–6. doi:10.1128/CDLI.12.4.555-556.2005. PMC 1074392. PMID 15817767.
- ^ Miller, WR; Pannell, L; Cravitz, L; Tanner, WA; Ingalls, MS (1948). "Studies on certain biological characteristics of Malleomyces mallei and Malleomyces pseudomallei: I. Morphology, cultivation, viability, and isolation from contaminated specimens". J Bacteriol 55 (1): 115–126. PMC 518415. PMID 16561426.
- ^ Wuthiekanun V, Wongsuwan G, Pangmee S, Teerawattanasook N, Day NP, Peacock SJ (2010). "Perasafe, Virkon and bleach are bactericidal for Burkholderia pseudomallei, a select agent and the cause of melioidosis". J Hosp Infect 77 (2): 183–4. doi:10.1016/j.jhin.2010.06.026. PMC 3036794. PMID 20832143.
- ^ Howard K, Inglis TJJ (2003). "The effect of free chlorine on Burkholderia pseudomallei in potable water". Water Res 37 (18): 4425–32. doi:10.1016/S0043-1354(03)00440-8. PMID 14511713.
- ^ Howard K, Inglis TJJ (2005). "Disinfection of Burkholderia pseudomallei in potable water". Water Res 39 (6): 1085–92. doi:10.1016/j.watres.2004.12.028. PMID 15766962.
- ^ White NJ, Dance DA, Chaowagul W, Wattanagoon Y, Wuthiekanun V, Pitakwatchara N (September 1989). "Halving of mortality of severe melioidosis by ceftazidime". Lancet 2 (8665): 697–701. doi:10.1016/S0140-6736(89)90768-X. PMID 2570956.
- ^ Lumbiganon P, Tattawasatra U, Chetchotisakd P et al. (2000). "Comparison between the antimicrobial susceptibility of Burkholderia pseudomallei to trimethoprim-sulfamethoxazole by standard disk diffusion method and by minimal inhibitory concentration determination". J Med Assoc Thai 83 (8): 856–60. PMID 10998837.
- ^ Wuthiekanun V, Cheng AC, Chierakul W et al. (2005). "Trimethoprim/sulfamethoxazole resistance in clinical isolates of Burkholderia pseudomallei". J Antimicrob Chemother 55 (6): 1029–31. doi:10.1093/jac/dki151. PMID 15886263.
- ^ Saraya S, Soontornpas C, Chindavijak B, Mootsikapun P (2009). "In vitro interactions between cotrimoxazole and doxycycline in Burkholderia pseudomallei: how important is this combination in maintenance therapy of melioidosis?". Indian J Med Microbiol 27 (1): 88–9. PMID 19172079.
- ^ Trunck LA; Propst, KL; Wuthiekanun, V; Tuanyok, A; Beckstrom-Sternberg, SM; Beckstrom-Sternberg, JS; Peacock, SJ; Keim, P et al. (2009). Picardeau, Mathieu, ed. "Molecular basis of rare aminoglycoside susceptibility and pathogenesis of Burkholderia pseudomallei clinical isolates from Thailand". PLoS Negl Trop Dis 3 (9): e519. doi:10.1371/journal.pntd.0000519. PMC 2737630. PMID 19771149.
- ^ Ashdown, LR (1979). "Identification of Pseudomonas pseudomallei in the clinical laboratory". J Clin Pathol 32 (5): 500–4. doi:10.1136/jcp.32.5.500. PMC 1145715. PMID 381328.
- ^ Kespichayawattana W, Intachote P, Utaisincharoen P, Stitaya Sirisinha S (2004). "Virulent Burkholderia pseudomallei is more efficient than avirulent Burkholderia thailandensis in invasion of and adherence to cultured human epithelial cells". Microbial Pathogenesis 36 (5): 287–9. doi:10.1016/j.micpath.2004.01.001. PMID 15043863.
- ^ Nandi T, Ong C, Singh AP, Boddey J, Atkins T, Sarkar-Tyson M, Essex-Lopresti AE, Chua HH, Pearson T, Kreisberg JF, Nilsson C, Ariyaratne P, Ronning C, Losada L, Ruan Y, Sung WK, Woods D, Titball RW, Beacham I, Peak I, Keim P, Nierman WC, Tan P (2010). Guttman, David S., ed. "A genomic survey of positive selection in Burkholderia pseudomallei provides insights into the evolution of accidental virulence". PLoS Pathog. 6 (4): e1000845. doi:10.1371/journal.ppat.1000845. PMC 2848565. PMID 20368977.
- ^ a b Sim SH, Yu Y, Lin CH et al. (October 2008). Achtman, Mark, ed. "The core and accessory genomes of Burkholderia pseudomallei: implications for human melioidosis". PLoS Pathog. 4 (10): e1000178. doi:10.1371/journal.ppat.1000178. PMC 2564834. PMID 18927621.
- ^ Price EP, Hornstra HM, Limmathurotsakul D et al. (2010). Guttman, David S., ed. "Within-host evolution of Burkholderia pseudomallei in four cases of acute melioidosis". PLoS Pathog. 6 (1): e1000725. doi:10.1371/journal.ppat.1000725. PMC 2799673. PMID 20090837.
- ^ Wiersinga WJ, van der Poll T, White NJ, Day NP, Peacock SJ (2006). "Melioidosis: insights into the pathogenicity of Burkholderia pseudomallei.". Nature Reviews Microbiology 4 (4): 272–82. doi:10.1038/nrmicro1385. PMID 16541135.
- ^ Kespichayawattana W, Rattanachetkul S, Wanun T et al. (2000). "Burkholderia pseudomallei induces cell fusion and actin-associated membrane protrusion: a possible mechanism for cell-to-cell spreading". Infect. Immun. 68 (9): 5377–84. doi:10.1128/IAI.68.9.5377-5384.2000. PMC 101801. PMID 10948167.
- ^ Cruz-Migoni A, Hautbergue GM, Artymiuk PJ et al. (2011). "A Burkholderia pseudomallei toxin inhibits helicase activity of translation factor eIF4A.". Science 334 (6057): 821–4. doi:10.1126/science.1211915. PMC 3364511. PMID 22076380.
- ^ Shalom G, Shaw JG, Thomas MS (August 2007). "In vivo expression technology identifies a type VI secretion system locus in Burkholderia pseudomallei that is induced upon invasion of macrophages". Microbiology 153 (Pt 8): 2689–99. doi:10.1099/mic.0.2007/006585-0. PMID 17660433.
- ^ Mima T, Schweizer HP (2010). "The BpeAB-OprB efflux pump of Burkholderia pseudomallei 1026b does not play a role in quorum sensing, virulence factor production, or extrusion of aminoglycosides, but is a broad-spectrum drug efflux system". Antimicrob. Agents Chemother. 54 (8): 3113–20. doi:10.1128/AAC.01803-09. PMC 2916348. PMID 20498323.
- ^ Norris MH, Kang Y, Lu D, Wilcox BA, Hoang TT (2009). "Glyphosate resistance as a novel select-agent-compliant, non-antibiotic-selectable marker in chromosomal mutagenesis of the essential genes asd and dapB of Burkholderia pseudomallei.". Appl Environ Microbiol 75 (19): 6062–75. doi:10.1128/AEM.00820-09. PMC 2753064. PMID 19648360.
- ^ Norris MH, Propst KL, Kang Y et al. (2011). "The Burkholderia pseudomallei Δasd mutant exhibits attenuated intracellular infectivity and imparts protection against acute inhalation melioidosis in mice". Infect Immun 79 (10): 4010–8. doi:10.1128/IAI.05044-11. PMC 3187240. PMID 21807903.
External links
- "Burkholderia pseudomallei genomes and related information". PATRIC. NIAID.
- "Getting a Grip on the Great Mimicker: Secrets of a Stealth Organism". Wellcome Trust.
- Pathema Burkholderia resource
- "Burkholderia pseudomallei". NCBI Taxonomy Browser. 28450.
- Infectious diseases
- Bacterial disease: Proteobacterial G−
- primarily A00–A79, 001–041, 080–109
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|
α |
Rickettsiales |
Rickettsiaceae/
(Rickettsioses) |
Typhus |
- Rickettsia typhi
- Rickettsia prowazekii
- Epidemic typhus, Brill–Zinsser disease, Flying squirrel typhus
|
|
Spotted
fever |
Tick-borne |
- Rickettsia rickettsii
- Rocky Mountain spotted fever
- Rickettsia conorii
- Rickettsia japonica
- Rickettsia sibirica
- Rickettsia australis
- Rickettsia honei
- Flinders Island spotted fever
- Rickettsia africae
- Rickettsia parkeri
- Rickettsia aeschlimannii
- Rickettsia aeschlimannii infection
|
|
Mite-borne |
- Rickettsia akari
- Orientia tsutsugamushi
|
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Flea-borne |
|
|
|
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Anaplasmataceae |
- Ehrlichiosis: Anaplasma phagocytophilum
- Human granulocytic anaplasmosis, Anaplasmosis
- Ehrlichia chaffeensis
- Human monocytotropic ehrlichiosis
- Ehrlichia ewingii
- Ehrlichiosis ewingii infection
|
|
|
Rhizobiales |
Brucellaceae |
|
|
Bartonellaceae |
- Bartonellosis: Bartonella henselae
- Bartonella quintana
- either henselae or quintana
- Bartonella bacilliformis
- Carrion's disease, Verruga peruana
|
|
|
|
β |
Neisseriales |
M+ |
- Neisseria meningitidis/meningococcus
- Meningococcal disease, Waterhouse–Friderichsen syndrome, Meningococcal septicaemia
|
|
M- |
- Neisseria gonorrhoeae/gonococcus
|
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ungrouped: |
- Eikenella corrodens/Kingella kingae
- Chromobacterium violaceum
- Chromobacteriosis infection
|
|
|
Burkholderiales |
- Burkholderia pseudomallei
- Burkholderia mallei
- Burkholderia cepacia complex
- Bordetella pertussis/Bordetella parapertussis
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|
γ |
Enterobacteriales
(OX-) |
Lac+ |
- Klebsiella pneumoniae
- Rhinoscleroma, Klebsiella pneumonia
- Klebsiella granulomatis
- Klebsiella oxytoca
- Escherichia coli: Enterotoxigenic
- Enteroinvasive
- Enterohemorrhagic
- O157:H7
- O104:H4
- Hemolytic-uremic syndrome
- Enterobacter aerogenes/Enterobacter cloacae
|
|
Slow/weak |
- Serratia marcescens
- Citrobacter koseri/Citrobacter freundii
|
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Lac- |
H2S+ |
- Salmonella enterica
- Typhoid fever, Paratyphoid fever, Salmonellosis
|
|
H2S- |
- Shigella dysenteriae/sonnei/flexneri/boydii
- Shigellosis, Bacillary dysentery
- Proteus mirabilis/Proteus vulgaris
- Yersinia pestis
- Yersinia enterocolitica
- Yersinia pseudotuberculosis
- Far East scarlet-like fever
|
|
|
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Pasteurellales |
Haemophilus: |
- H. influenzae
- Haemophilus meningitis
- Brazilian purpuric fever
- H. ducreyi
- H. parainfluenzae
|
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Pasteurella multocida |
- Pasteurellosis
- Actinobacillus
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Aggregatibacter actinomycetemcomitans |
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Legionellales |
- Legionella pneumophila/Legionella longbeachae
- Coxiella burnetii
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Thiotrichales |
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Vibrionaceae |
- Vibrio cholerae
- Vibrio vulnificus
- Vibrio parahaemolyticus
- Vibrio alginolyticus
- Plesiomonas shigelloides
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Pseudomonadales |
- Pseudomonas aeruginosa
- Moraxella catarrhalis
- Acinetobacter baumannii
|
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Xanthomonadaceae |
- Stenotrophomonas maltophilia
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Cardiobacteriaceae |
|
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Aeromonadales |
- Aeromonas hydrophila/Aeromonas veronii
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|
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ε |
Campylobacterales |
- Campylobacter jejuni
- Campylobacteriosis, Guillain–Barré syndrome
- Helicobacter pylori
- Peptic ulcer, MALT lymphoma, Gastric cancer
- Helicobacter cinaedi
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Index of bacterial disease
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Description |
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Disease |
- Gram-positive firmicutes
- Gram-positive actinobacteria
- Gram-negative proteobacteria
- Gram-negative non-proteobacteria
- Cholera
- Tuberculosis
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|
Treatment |
- Antibiotics
- cell wall
- nucleic acid
- mycobacteria
- protein synthesis
- other
- Antibodies
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|
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