70 % of Bacteroides infections. In combination with other facultative/strict anaerobes, they are responsible for the majority of localized abscesses within the cranium, thorax, peritoneum, liver, and female genital tract (4, 8). JOURNAL OF BACTERIOLOGY, June 1982, p. 1008-1015. Shipman, Joseph A., Berleman, J.E.,Salyers, A.A. "Characterization of Four Outer Membrane Proteins Involved in Binding Starch to the Cell Surface of Bacteroides thetaiotaomicron." (13) However, it is also a key anaerobic gram-negative bacterial pathogen with extreme disease causing potential as well as antibiotic resistance, which is of clinical interest. The expression of sus genes is regulated by the regulatory proteins SusR and MalR, which are both always expressed regardless of environmental cues.  |  A case report of infection with Bacteroides thetaiotaomicron during lumbar decompression and dynamic stabilization as well as a review of the literature regarding infection risk … Etiology. Perit Dial Int. 183, No. 4. These two regulons make up for all of the genes needed to grow on starch and maltotriose. Infect Chemother. 2005 Aug;71(8):4945-9. "First isolation of Bacteroides thetaiotaomicron from a patient with a cholesteatoma and experiencing meningitis." Maltose as well as higher oligomers of starch are important in regulating structural gene expression, as the sus structural genes are only expressed in their presence. 2008 Jul;62(1):137-41. doi: 10.1093/jac/dkn134. J Clin Microbiol. Shipman, Joseph A., Berleman, J.E.,Salyers, A.A. "Characterization of Four Outer Membrane Proteins Involved in Binding Starch to the Cell Surface of Bacteroides thetaiotaomicron." 24. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. The ability of Bacteroides thetaiotaomicron to sense its environment and adaptively seek food raises the question of what the specific mechanism is for this process, and through the answers to this question one could maneuver its inherent operations and potentially provide benefits to human hosts through means such as matching diet to nutrient processing capabilities of the microbe. Bacteroides is a genus of Gram-negative, obligate anaerobic bacteria. The bacterium uses various polysaccharides as its source of carbon and energy. PATHOGENICITY/TOXICITY: Bacteroides spp. 9.) "First isolation of Bacteroides thetaiotaomicron from a patient with a cholesteatoma and experiencing meningitis." Epub 2006 Sep 12. Bacteroides thetaiotaomicron (Bt) is a prominent member of the human intestinal microbiota that, like all gram-negative bacteria, naturally generates nanosized outer membrane vesicles (OMVs) which bud off from the cell surface. Bacteroides thetaiotaomicron has been found to produce very high levels of a digestive enzyme seen to be effective in the breakdown and subsequent digestion of plants, and thus has been a target for improvement of animal digestion. B. fragilis ATCC 25285 and Bacteroides thetaiotaomicron ATCC 29741 were used as control strains. "A genomic view of the human-Bacteroides thetaiotaomicron symbiosis." Science (2003) 299:2074-2076. Sonnenburg, Erica D., Sonnenburg, J.L., Manchester, J.K., Hansen, E.E., Chiang, H.C., And Gordon, J.I. (3), "Specificity of a Bacteroides thetaiotaomicron Marker for Human Feces" (4), The predominance of B. thetaiotaomicron in human feces makes it a worthy candidate as a marker of human fecal matter. Although we considered specimen contamination, this was unlikely for the following reasons. The GC content of the plasmid is 47.2% and 83% of the genome is involved in coding for proteins. Wang Jun, Shoemaker N.B., Wang G.R., Salyers A.A., "Characterization of a Bacteroides Mobilizable Transposon, NBU2, Which Carries a Functional Lincomycin Resistance Gene." B. thetaiotaomicron is capable of causing very serious infections, such as intra-abdominal sepsis and bacteremia. Virtually all members of genus sensitive to metronidazole, carbapenems, beta-lactam/beta-lactamase inhibitor combinations, so speciation not usually important. The man had hearing loss for many years prior, and was admitted to the hospital following profuse ear discharge. 23, 8834-8839, https://microbewiki.kenyon.edu/index.php?title=Bacteroides_thetaiotaomicron&oldid=64891. 14.) At present, the Bacteroides fragilis group consists of ten species: B. fragilis (the most frequent isolate), B. distasonis, B. thetaiotaomicron, B. vulgatus, B. ovatus, B. eggerrthii, B. merdae, B. stercoris, B. uniformis, and B. caccae. Epub 2015 May 4. Xu, J., Bjursell, M.K., Himrod, J., Deng, S., Carmichael, L., Chiang, H.C., Hooper, L.V., and Gordon, J.I. 23. against the pathogenic mechanisms of CD remains to be elucidated. "Identification of Bacteroides thetaiotaomicron on the basis of an unexpected specific amplicon of universal 16S ribosomal DNA PCR." It is an obligate anaerobic, non-spore forming, non-motile bacterium. J Bacteriol. (8), Bacteroides thetaiotaomicron is an obligate anaerobe, a major endosymbiont of the human gut. Bacteria; Bacteroidetes/Chlorobi group; Bacteroidetes; Bacteroides (class); Bacteroidales; Bacteroidaceae; Bacteroides Most of these genes encode proteins involved in the binding and hydrolysis of starch, and are separated into two transcriptional segments (susA and susB to susG respectively). J Biol Chem. 2014 Mar;46(1):54-8. doi: 10.3947/ic.2014.46.1.54. Bacteroides fragilis is a Gram negative pleomorphic rod shaped bacteria. Typically associated with healthy individuals, Bacteroides thetaiotaomicron is a gut microbe that devotes ∼18% of its genes to the acquisition and utilization of a wide variety of carbohydrates (8). (10), Bacteroides thetaiotaomicron is a major component of the adult intestine and has been used as a useful model for the study of human-bacterial symbiosis. NLM 181, No. BF can be found in almost every type of infection including bacteremia, serious gynecological infections, peritonitis, soft tissue infections, and brain abscess. NIH First, two out of three bottles were positive for Bacteroides species. The microorganism isolated from the vaginal cuff abscess was beta-lactamase producer and the antibiotic susceptibility pattern showed its resistance to piperacillin-tazobactam and cefoxitin, while the susceptibility to amoxicillin associated with clavulanic acid, metronidazole, and the newer fluoroquinolone moxifloxacin was confirmed. Second, a blood culture positive for the B. fragilis group (including B. thetaiotaomicron) almost always, represents true infection . Journal of Clinical Microbiology, April 2004, p. 1727-1730, Vol. Spread to bloodstream (bacteremia) is more common for B. fragilis than any other anaerobe(4). HHS 4. Kim MG, Jeon JW, Ryu IH, Lee JJ, Kim JS, Choi JW, Cho BS, Yoon HJ. Carson CA, Christiansen JM, Yampara-Iquise H, Benson VW, Baffaut C, Davis JV, Broz RR, Kurtz WB, Rogers WM, Fales WH. Cases of meningitis are not simple to diagnose and the 16S rRNA gene sequence analysis method is credited with allowing the identification of the clinical isolate. PNAS, June 6, 2006, vol. Bacteroides thetaiotaomicron, a Gram-negative anaerobic microbe, resides in and dominates the human intestinal tract . It is a catalase and indole positive bacteria. (13), "Functional Genomic and Metabolic Studies of the Adaptations of a Prominent Adult Human Gut Symbiont", The adaptations of Bacteroides thetaiotaomicron during the suckling (postnatal day 17) and weaning periods (postnatal day 30) was explored as germ-free mice were inoculated with the bacterium present from their mothers. Since 1990, many organisms previously designated as Ba… Thus, Bacteroides plays a key role in maintaining the integrity of the human gut. 103, no. However, the direct action of Bacteroides spp. 7.) PNAS, September 2, 2003, vol. INTRODUCTION. The Bacteroides genus provides the main agents of anaerobic meningitis, however fewer than 100 cases of Bacteroides meningitis have been reported in English literature, and they are primarily found among young children. Additionally, it is very important during the postnatal transition between mother's milk and a diet heavily consisting of plant starches.  |  Salyers, Abigail A., O'brien M., and Kotarski, S.F. Expression of gene clusters which code for environmental sensors, glycoside hydrolases and outer membrane proteins necessary for binding and import of starches all comes as a B. thetaiotaomicron's postnatal response. It has been found to be 'more reliable than phenotypic methods in accurate species-level identification.' "Honor thy symbionts." This new method provides a much quicker and more accurate method than previous ones, as culturing of fecal indicator bacteria is not a necessity nor is the requirement of a host library which can be faulty and/or time consuming. Phenotypic methods were suggestive of a Bacteroides distasonis or either a Bacteroides thetaiotaomicron or Bacteroides ovatus infection. Antibiotic resistance genes have been found on conjugative transposons ('integrated DNA elements that excise themselves to form a covalently closed circular intermediate') (12), as well as on conjugative and mobilizable plasmids (circular, self-replicating DNA molecule). The GC content is 42.8% and 90% of the genome is involved in coding for proteins essential in the binding and import of various polysachharides. Sadarangani SP, Cunningham SA, Jeraldo PR, Wilson JW, Khare R, Patel R. Antimicrob Agents Chemother. Vestn Khir Im I I Grek. Of all species, B. fragilis causes most human Bacteroides infections. Cho, Hong Kyu, Cho, D., Wang G.R., Salyers A.A. "New Regulatory Gene That Contributes to Control of Bacteroides thetaiotaomicron Starch Utilization Genes." Shipman, Joseph A., Cho, Hong Kyu, Siegel, H.A., and Salyers, A.A, "Physiological Characterization of SusG, an Outer Membrane Protein Essential for Starch Utilization by Bacteroides thetaiotaomicron." 1983 Mar;130(3):120-2. USA.gov. (14), Bacteroides thetaiotaomicron is the second most common infectious anaerobic gram-negative bacteria. demonstrate that the commensal Bacteroides thetaiotaomicron (Bt) enhances virulence gene expression of enterohemorrhagic E. coli and exacerbates Citrobacter rodentium infection. Interestingly, escU was significantly up-regulated in co-culture with B . 2005 Mar;43(3):1467-9. Bacteroides thetaiotaomicron is the second most common infectious anaerobic gram-negative bacteria. Journal of Bacteriology, December 2001, p. 7198-7205, Vol. If a documented B. fragilis infection is left untreated, the mortality rate is reported to be about 60% ( 107 ). 18, 10452-10459. Journal of Bacteriology, June 2000, p. 3559-3571, Vol. It consists of a 4776 member proteome containing the structural means to bring in and hydrolyze non-digestible polysaccharides as well as an environment sensing mechanism consisting of outer membrane proteins. [Bacteroides infection in surgery (review of the literature)]. Journal of Bacteriology, December 2001, p. 7198-7205, Vol. Metronidazole- and carbapenem-resistant bacteroides thetaiotaomicron isolated in Rochester, Minnesota, in 2014. The outer membrane-associated multi-protein complex involved in this digestion process separates substrate binding and hydrolysis using different proteins for each task. Microbial analysis of cerebrospinal fluid yielded in pure culture a gram-negative bacillus. This is the first case of a pure culture sample of B. thetaiotaomicron meningitis. Feuillet L, Carvajal J, Sudre I, Pelletier J, Thomassin JM, Drancourt M, Cherif AA. 2013 Nov-Dec;33(6):711-2. doi: 10.3747/pdi.2012.00229. Modification of its activities would be a a good means to increase animal digestion of certain feed materials. Its metabolic function for humans is to degrade plant polysacharides, a very essential capability for the human gut. Peritoneal dialysis peritonitis caused by Bacteroides thetaiotaomicron. Bacteroides spp are non-spore forming gram-negative bacilli that are part of the human resident flora. Teng, L.-J., P.-R. Hsueh, Y.-H. Huang, and J.-C. Tsai. Bjursell MK, Martens EC, Gordon JI. B. thetaiotaomicron was also shown to stimulate the development of gut … The DNA base composition is 40–48% GC.Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids.They also contain meso-diaminopimelic acid in their … We report a patient with clinically significant vaginal posthysterectomy infection due to Bacteroides thetaiotaomicron. "Honor thy symbionts." J Biol Chem. An example of such an event relating to the Bacteroides genus is Bacteroides meningitis, which has been identified in patients with digestive bacterial proliferation making its way to the subarachnoidal space as well as in patients following the spread of ear infections. 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bacteroides thetaiotaomicron infection

February 19, 2021
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[1] This 33 kb plasmid is one of several types of mobile genetic elements, including 63 transposases and four homologs of the conjugative transposon CTnDOT. Xu, Jian, and Gordon, J.I. Epub 2014 Mar 21. 18, 10452-10459. provide genotypic and phenotypic data for 27 bacteriophage isolates that infect the prevalent human gut bacterium, Bacteroides thetaiotaomicron. Approximate Synonyms. "Functional genomic and metabolic studies of the adaptations of a prominent adult human gut symbiont, Bacteroides thetaiotaomicron, to the suckling period." (13) This ability to adaptively 'forage' is an area of biotechnical interest. "Identification of Bacteroides thetaiotaomicron on the basis of an unexpected specific amplicon of universal 16S ribosomal DNA PCR." 42, No. J Clin Microbiol. Epub 2006 Sep 12. 12. 2006 Nov 24;281(47):36269-79. 100, no. PATHOLOGY Bacteroides thetaiotaomicron is the second most common infectious anaerobic gram-negative bacteria. A 45-year-old man with a cholesteatoma experienced purulent meningitis. http://www.ebi.ac.uk/integr8/OrganismStatsAction.do?orgProteomeId=127, 2.) It's resistance to antimicrobial agents is a cause for major concern, and thus methods to identify B. thetaiotaomicron in clinical speci… Appl Environ Microbiol. They identify related bacteriophages in existing metagenomes and genes associated with infectivity. 42, No. (14) Plant molecular biologists could hypothetically genetically engineer crops with nutritional improvements based upon nutrient processing capabilities of the human gut microbes, such as Bacteroides thetaiotaomicron. (11), The many self-transmissable and mobile genetic elements carried by B. thetaiotaomicron are seen as the likely culprits for the spread of antibiotic resistance genes. The case involved a 45 year old man experiencing purulent meningitis and through microbial analysis of the cerebrospinal fluid was determined to be caused by B. thetaiotaomicron. 10.) (1,8), Additionally, Bacteroides thetaiotaomicron consists of one circular plasmid (p5482) which is 33,038 bp long, containing 38 genes coding for 38 proteins which function mainly in environmental sensing. It is considered an opportunistic pathogen, frequently associated with peritonitis, septicemia, and wound infections. Most clinically significant in polymicrobial infections, abscesses. JOURNAL OF BACTERIOLOGY, June 1982, p. 1008-1015. Prevention and treatment information (HHS). Cell associated enzymes are responsible for hydrolyzing the polysaccharides into small fragments which are easily digestible. Please enable it to take advantage of the complete set of features! Science (2003) 299:2074-2076. Salyers, Abigail A., O'brien M., and Kotarski, S.F. BF only accounts for 2 % of the total gut Bacteroides, but it is the agent of >70 % of Bacteroides infections. In combination with other facultative/strict anaerobes, they are responsible for the majority of localized abscesses within the cranium, thorax, peritoneum, liver, and female genital tract (4, 8). JOURNAL OF BACTERIOLOGY, June 1982, p. 1008-1015. Shipman, Joseph A., Berleman, J.E.,Salyers, A.A. "Characterization of Four Outer Membrane Proteins Involved in Binding Starch to the Cell Surface of Bacteroides thetaiotaomicron." (13) However, it is also a key anaerobic gram-negative bacterial pathogen with extreme disease causing potential as well as antibiotic resistance, which is of clinical interest. The expression of sus genes is regulated by the regulatory proteins SusR and MalR, which are both always expressed regardless of environmental cues.  |  A case report of infection with Bacteroides thetaiotaomicron during lumbar decompression and dynamic stabilization as well as a review of the literature regarding infection risk … Etiology. Perit Dial Int. 183, No. 4. These two regulons make up for all of the genes needed to grow on starch and maltotriose. Infect Chemother. 2005 Aug;71(8):4945-9. "First isolation of Bacteroides thetaiotaomicron from a patient with a cholesteatoma and experiencing meningitis." Maltose as well as higher oligomers of starch are important in regulating structural gene expression, as the sus structural genes are only expressed in their presence. 2008 Jul;62(1):137-41. doi: 10.1093/jac/dkn134. J Clin Microbiol. Shipman, Joseph A., Berleman, J.E.,Salyers, A.A. "Characterization of Four Outer Membrane Proteins Involved in Binding Starch to the Cell Surface of Bacteroides thetaiotaomicron." 24. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. The ability of Bacteroides thetaiotaomicron to sense its environment and adaptively seek food raises the question of what the specific mechanism is for this process, and through the answers to this question one could maneuver its inherent operations and potentially provide benefits to human hosts through means such as matching diet to nutrient processing capabilities of the microbe. Bacteroides is a genus of Gram-negative, obligate anaerobic bacteria. The bacterium uses various polysaccharides as its source of carbon and energy. PATHOGENICITY/TOXICITY: Bacteroides spp. 9.) "First isolation of Bacteroides thetaiotaomicron from a patient with a cholesteatoma and experiencing meningitis." Epub 2006 Sep 12. Bacteroides thetaiotaomicron (Bt) is a prominent member of the human intestinal microbiota that, like all gram-negative bacteria, naturally generates nanosized outer membrane vesicles (OMVs) which bud off from the cell surface. Bacteroides thetaiotaomicron has been found to produce very high levels of a digestive enzyme seen to be effective in the breakdown and subsequent digestion of plants, and thus has been a target for improvement of animal digestion. B. fragilis ATCC 25285 and Bacteroides thetaiotaomicron ATCC 29741 were used as control strains. "A genomic view of the human-Bacteroides thetaiotaomicron symbiosis." Science (2003) 299:2074-2076. Sonnenburg, Erica D., Sonnenburg, J.L., Manchester, J.K., Hansen, E.E., Chiang, H.C., And Gordon, J.I. (3), "Specificity of a Bacteroides thetaiotaomicron Marker for Human Feces" (4), The predominance of B. thetaiotaomicron in human feces makes it a worthy candidate as a marker of human fecal matter. Although we considered specimen contamination, this was unlikely for the following reasons. The GC content of the plasmid is 47.2% and 83% of the genome is involved in coding for proteins. Wang Jun, Shoemaker N.B., Wang G.R., Salyers A.A., "Characterization of a Bacteroides Mobilizable Transposon, NBU2, Which Carries a Functional Lincomycin Resistance Gene." B. thetaiotaomicron is capable of causing very serious infections, such as intra-abdominal sepsis and bacteremia. Virtually all members of genus sensitive to metronidazole, carbapenems, beta-lactam/beta-lactamase inhibitor combinations, so speciation not usually important. The man had hearing loss for many years prior, and was admitted to the hospital following profuse ear discharge. 23, 8834-8839, https://microbewiki.kenyon.edu/index.php?title=Bacteroides_thetaiotaomicron&oldid=64891. 14.) At present, the Bacteroides fragilis group consists of ten species: B. fragilis (the most frequent isolate), B. distasonis, B. thetaiotaomicron, B. vulgatus, B. ovatus, B. eggerrthii, B. merdae, B. stercoris, B. uniformis, and B. caccae. Epub 2015 May 4. Xu, J., Bjursell, M.K., Himrod, J., Deng, S., Carmichael, L., Chiang, H.C., Hooper, L.V., and Gordon, J.I. 23. against the pathogenic mechanisms of CD remains to be elucidated. "Identification of Bacteroides thetaiotaomicron on the basis of an unexpected specific amplicon of universal 16S ribosomal DNA PCR." It is an obligate anaerobic, non-spore forming, non-motile bacterium. J Bacteriol. (8), Bacteroides thetaiotaomicron is an obligate anaerobe, a major endosymbiont of the human gut. Bacteria; Bacteroidetes/Chlorobi group; Bacteroidetes; Bacteroides (class); Bacteroidales; Bacteroidaceae; Bacteroides Most of these genes encode proteins involved in the binding and hydrolysis of starch, and are separated into two transcriptional segments (susA and susB to susG respectively). J Biol Chem. 2014 Mar;46(1):54-8. doi: 10.3947/ic.2014.46.1.54. Bacteroides fragilis is a Gram negative pleomorphic rod shaped bacteria. Typically associated with healthy individuals, Bacteroides thetaiotaomicron is a gut microbe that devotes ∼18% of its genes to the acquisition and utilization of a wide variety of carbohydrates (8). (10), Bacteroides thetaiotaomicron is a major component of the adult intestine and has been used as a useful model for the study of human-bacterial symbiosis. NLM 181, No. BF can be found in almost every type of infection including bacteremia, serious gynecological infections, peritonitis, soft tissue infections, and brain abscess. NIH First, two out of three bottles were positive for Bacteroides species. The microorganism isolated from the vaginal cuff abscess was beta-lactamase producer and the antibiotic susceptibility pattern showed its resistance to piperacillin-tazobactam and cefoxitin, while the susceptibility to amoxicillin associated with clavulanic acid, metronidazole, and the newer fluoroquinolone moxifloxacin was confirmed. Second, a blood culture positive for the B. fragilis group (including B. thetaiotaomicron) almost always, represents true infection . Journal of Clinical Microbiology, April 2004, p. 1727-1730, Vol. Spread to bloodstream (bacteremia) is more common for B. fragilis than any other anaerobe(4). HHS 4. Kim MG, Jeon JW, Ryu IH, Lee JJ, Kim JS, Choi JW, Cho BS, Yoon HJ. Carson CA, Christiansen JM, Yampara-Iquise H, Benson VW, Baffaut C, Davis JV, Broz RR, Kurtz WB, Rogers WM, Fales WH. Cases of meningitis are not simple to diagnose and the 16S rRNA gene sequence analysis method is credited with allowing the identification of the clinical isolate. PNAS, June 6, 2006, vol. Bacteroides thetaiotaomicron, a Gram-negative anaerobic microbe, resides in and dominates the human intestinal tract . It is a catalase and indole positive bacteria. (13), "Functional Genomic and Metabolic Studies of the Adaptations of a Prominent Adult Human Gut Symbiont", The adaptations of Bacteroides thetaiotaomicron during the suckling (postnatal day 17) and weaning periods (postnatal day 30) was explored as germ-free mice were inoculated with the bacterium present from their mothers. Since 1990, many organisms previously designated as Ba… Thus, Bacteroides plays a key role in maintaining the integrity of the human gut. 103, no. However, the direct action of Bacteroides spp. 7.) PNAS, September 2, 2003, vol. INTRODUCTION. The Bacteroides genus provides the main agents of anaerobic meningitis, however fewer than 100 cases of Bacteroides meningitis have been reported in English literature, and they are primarily found among young children. Additionally, it is very important during the postnatal transition between mother's milk and a diet heavily consisting of plant starches.  |  Salyers, Abigail A., O'brien M., and Kotarski, S.F. Expression of gene clusters which code for environmental sensors, glycoside hydrolases and outer membrane proteins necessary for binding and import of starches all comes as a B. thetaiotaomicron's postnatal response. It has been found to be 'more reliable than phenotypic methods in accurate species-level identification.' "Honor thy symbionts." This new method provides a much quicker and more accurate method than previous ones, as culturing of fecal indicator bacteria is not a necessity nor is the requirement of a host library which can be faulty and/or time consuming. Phenotypic methods were suggestive of a Bacteroides distasonis or either a Bacteroides thetaiotaomicron or Bacteroides ovatus infection. Antibiotic resistance genes have been found on conjugative transposons ('integrated DNA elements that excise themselves to form a covalently closed circular intermediate') (12), as well as on conjugative and mobilizable plasmids (circular, self-replicating DNA molecule). The GC content is 42.8% and 90% of the genome is involved in coding for proteins essential in the binding and import of various polysachharides. Sadarangani SP, Cunningham SA, Jeraldo PR, Wilson JW, Khare R, Patel R. Antimicrob Agents Chemother. Vestn Khir Im I I Grek. Of all species, B. fragilis causes most human Bacteroides infections. Cho, Hong Kyu, Cho, D., Wang G.R., Salyers A.A. "New Regulatory Gene That Contributes to Control of Bacteroides thetaiotaomicron Starch Utilization Genes." Shipman, Joseph A., Cho, Hong Kyu, Siegel, H.A., and Salyers, A.A, "Physiological Characterization of SusG, an Outer Membrane Protein Essential for Starch Utilization by Bacteroides thetaiotaomicron." 1983 Mar;130(3):120-2. USA.gov. (14), Bacteroides thetaiotaomicron is the second most common infectious anaerobic gram-negative bacteria. demonstrate that the commensal Bacteroides thetaiotaomicron (Bt) enhances virulence gene expression of enterohemorrhagic E. coli and exacerbates Citrobacter rodentium infection. Interestingly, escU was significantly up-regulated in co-culture with B . 2005 Mar;43(3):1467-9. Bacteroides thetaiotaomicron is the second most common infectious anaerobic gram-negative bacteria. Journal of Bacteriology, December 2001, p. 7198-7205, Vol. If a documented B. fragilis infection is left untreated, the mortality rate is reported to be about 60% ( 107 ). 18, 10452-10459. Journal of Bacteriology, June 2000, p. 3559-3571, Vol. It consists of a 4776 member proteome containing the structural means to bring in and hydrolyze non-digestible polysaccharides as well as an environment sensing mechanism consisting of outer membrane proteins. [Bacteroides infection in surgery (review of the literature)]. Journal of Bacteriology, December 2001, p. 7198-7205, Vol. Metronidazole- and carbapenem-resistant bacteroides thetaiotaomicron isolated in Rochester, Minnesota, in 2014. The outer membrane-associated multi-protein complex involved in this digestion process separates substrate binding and hydrolysis using different proteins for each task. Microbial analysis of cerebrospinal fluid yielded in pure culture a gram-negative bacillus. This is the first case of a pure culture sample of B. thetaiotaomicron meningitis. Feuillet L, Carvajal J, Sudre I, Pelletier J, Thomassin JM, Drancourt M, Cherif AA. 2013 Nov-Dec;33(6):711-2. doi: 10.3747/pdi.2012.00229. Modification of its activities would be a a good means to increase animal digestion of certain feed materials. Its metabolic function for humans is to degrade plant polysacharides, a very essential capability for the human gut. Peritoneal dialysis peritonitis caused by Bacteroides thetaiotaomicron. Bacteroides spp are non-spore forming gram-negative bacilli that are part of the human resident flora. Teng, L.-J., P.-R. Hsueh, Y.-H. Huang, and J.-C. Tsai. Bjursell MK, Martens EC, Gordon JI. B. thetaiotaomicron was also shown to stimulate the development of gut … The DNA base composition is 40–48% GC.Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids.They also contain meso-diaminopimelic acid in their … We report a patient with clinically significant vaginal posthysterectomy infection due to Bacteroides thetaiotaomicron. "Honor thy symbionts." J Biol Chem. An example of such an event relating to the Bacteroides genus is Bacteroides meningitis, which has been identified in patients with digestive bacterial proliferation making its way to the subarachnoidal space as well as in patients following the spread of ear infections.

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