• Yersinia pestis biofilms. (microbiologyresearch.org)
  • Editorial Note: Plague is caused by infection with Yersinia pestis, a bacterium carried by rodents and transmitted by fleas commonly found in parts of Asia, Africa, and North and South America (1,2). (cdc.gov)
  • Salmonella Typhi , Shigella species, Yersinia pestis ) and still others can be occasionally pathogenic - either opportunistically or following acquisition of virulence factors [1]. (researchsquare.com)
  • The disease is caused by the plague bacillus, rod-shaped bacteria referred to as Yersinia pestis . (medscape.com)
  • The virulence of this bacterium results from the 32 Y pestis chromosomal genes and two Y pestis -specific plasmids, constituting the only new genetic material acquired since its evolution from its predecessor. (medscape.com)
  • It can harbor fleas infected with Yersinia pestis, the plague bacillus. (medscape.com)
  • Y pestis is a nonmotile, pleomorphic, gram-negative coccobacillus that is nonsporulating. (medscape.com)
  • Y. pes, Yersinia pestis . (biomedcentral.com)
  • Because culture as a tool is still threatened by the possible diagnosis but also as a route to enhance understanding of the existence of uncultivatable organisms, several authors have diversity and epidemiology of emerging bacteria and the infec- emphasized the critical role that molecular, culture-indepen- tions they cause. (cdc.gov)
  • Iron, one of the most abundant elements on Earth [ 1 ], is crucial for the survival of all living organisms, including bacteria. (biomedcentral.com)
  • Microbiology is better at finding organisms than pathology. (librepathology.org)
  • If you lack interest in organisms, such as yeast and bacteria, which have "stuck with" the anaerobic tradition, the products of these chemical reactions may still intrigue you. (psychosocialsomatic.com)
  • Silent information regulator 2 (Sir2) proteins, or sirtuins, are protein deacetylases dependent on nicotine adenine dinucleotide (NAD) and are found in organisms ranging from bacteria to humans. (biomedcentral.com)
  • These bacteriophages appear to be most similar to bacteriophages that infect Pseudomonas and Ralstonia rather than Enterobacteriales bacteria by protein similarity, however, we were only able to detect infection of Erwinia and the closely related strains of Pantoea . (frontiersin.org)
  • Some strains of V. alginolyticus are highly salt tolerant and commonly found in marine environment. (mdwiki.org)
  • Three studies have shown that this bacterium emerged from the gut pathogen Yersinia pseudotuberculosis shortly after the first epidemic. (medscape.com)
  • As a diagnostic and research laboratory specializing in fastidious, intracellular bacteria, we have been particularly interested in assessing the specific role played by culture in identifying emerging pathogens. (cdc.gov)
  • Brucellae are Gram-negative, facultative intracellular bacteria that can infect many species of animals and man. (hindawi.com)
  • Yersinia frederiksenii is a Gram-negative species of bacteria. (wikipedia.org)
  • Specifically, the presence of urease-producing bacteria, including Ureaplasma urealyticum and Proteus species (most common), Staphylococcus species, Klebsiella species, Providencia species, and Pseudomonas species, leads to the hydrolysis of urea into ammonium and hydroxyl ions. (medscape.com)
  • A commercial biotyping system (Taxa Profile™, Merlin Diagnostika) testing the metabolization of various substrates by bacteria was used to determine if a set of phenotypic features will allow the identification of members of the genus Brucella and their differentiation into species and biovars. (biomedcentral.com)
  • to the main AHL signals produced by bacteria, but it is not species-specific. (pdgfreceptor.com)
  • Based on specific and stable reactions a 96-well " Brucella identification and typing" plate (Micronaut™) was designed and re-tested in 113 Brucella isolates and a couple of closely related bacteria. (biomedcentral.com)
  • A total of 270 isolates of Yersinia were identified from poultry and livestock ( n = 191), food ( n = 49), diarrhoea patients ( n = 13), rats ( n = 15), and hamsters ( n = 2). (biomedcentral.com)
  • isolates, while the role of cell-free supernatants, from diverse bacteria, in inducing enhanced adherence was investigated using microtitre plate assays. (biomedcentral.com)
  • Recently, from 2009 onward from lung and nasal swab, 28 Gram positive and 45 Gram negative bacterial isolated were obtained. (cswri.res.in)
  • Bacterial toxins are often characterized based upon the secretion mechanism that delivers the toxin out of the bacterium, termed types I-VII. (springer.com)
  • Vibrio alginolyticus is a Gram-negative marine bacterium . (mdwiki.org)
  • Vibrio alginolyticus are commonly found in aquatic environments. (mdwiki.org)
  • The antibiotic resistance property is hazardous in itself (whether with or without the contaminants being pathogenic) considering the potential for interspecies transfer of these resistance traits (be they chromosomal or plasmid-borne) to commensal or pathogenic bacteria in clinical settings and/or in the food chain. (researchsquare.com)
  • Pathologic changes can be observed soon after the contamination and, in an acute infection, will decline rapidly after elimi- els for pathophysiologic studies and antimicrobial susceptibil- nation of the bacteria. (cdc.gov)
  • We report that larvae of the wax moth ( Galleria mellonella ) are susceptible to infection with the human enteropathogen Yersinia pseudotuberculosis at 37 °C. Confocal microscopy demonstrated that in the initial stages of infection the bacteria were taken up into haemocytes. (microbiologyresearch.org)
  • and septicemic plague may result in fulminant gram-negative shock without localized signs of infection (2,6). (cdc.gov)
  • If Yersinia infection is suspected, the clinical laboratory should be notified and instructed to culture on cefsulodin-irgasan-novobiocin (CIN) agar or other agar specific for growing it. (medscape.com)
  • Ikemura H, Takagi H, Inouye M (1987) Requirement of pro-sequence for the production of active subtilisin E in Escherichia coli . (springer.com)
  • Cell division has been studied extensively in the model rod-shaped bacteria Escherichia coli and Bacillus subtilis, but much less is understood about cell division in mycobacteria, a genus that includes the major human pathogens M. tuberculosis and M. leprae. (bvsalud.org)
  • Gram stain has also proven useful to routinely diagnose H. others in the sequence of events leading to isolation of a new pylori and H. heilmanii in the gastric mucosa of patients with microorganism? (cdc.gov)
  • Gram stain - for bacteria. (librepathology.org)
  • In case of Yersinia- associated post infectious reactive arthropathy, joint aspirate would be non-purulent. (medscape.com)
  • certain localized infections Note: Categories for "late effects" of infectious and parasitic diseases are to be found at 137. (cdc.gov)
  • Caenorhabditis elegans - plague bacteria biofilm blocks food intake. (microbiologyresearch.org)
  • In fact, as reported by Drancourt et al (2004), genotyping performed on bacteria derived from the remains of plague victims of the first two epidemics revealed sequences similar to that of Orientalis. (medscape.com)
  • The bacteria elaborate a lipopolysaccharide endotoxin, coagulase, and a fibrinolysin, which are the principal factors in the pathogenesis of plague. (medscape.com)
  • With the use of broad-range polymerase chain reaction, some bacteria have been identified or detected in new clinical syndromes. (cdc.gov)
  • Isolation and culture are possible as long as live bacteria are present in tissues, i.e., from the colonization to the treat- other supplemental tools to elucidate the causes of microbial ment or to the end of the clinical manifestations (or shortly earlier). (cdc.gov)
  • V. vulnificus is a motile, gram-negative, curved rod- shaped bacterium with a single polar flagellum. (ac.ir)
  • Here, we show that motile cells in sessile colonies of peritrichously flagellated bacteria can self-organize into two adjacent, centimeter-scale motile rings surrounding the entire colony. (nature.com)
  • Interfaces and spatial confinement are known to affect motile behavior of bacteria in more artificial settings such as microfluidic systems. (nature.com)
  • Identification and alignment of the promoter regions of the transcriptional start sites of glycolytic genes revealed strong similarities to the σ A consensus promoter sequences of Gram-positive bacteria. (microbiologyresearch.org)
  • Wildlife and domestic animals may excrete bacteria of zoonotic significance and thereby contaminate water sources and fish with foodborne pathogens. (docksci.com)
  • They are synthesized by most bacteria [ 24 ] and eukaryotes [ 25 ] from l -lysine, l -methionine, l -aspartate, and l -arginine, with bacteria synthesizing a greater diversity of polyamines than eukaryotes. (biomedcentral.com)
  • In humans, it can cause gastrointestinal infections, while it has also been found in fish. (wikipedia.org)
  • Humans acquire these bacteria after consumption of contaminated foods, from contact with animals, or directly via human-to-human transmission (especially the human-host-specific pathogens such as S . typhi) [2]. (researchsquare.com)
  • Yersinia is included as a target on 3 commercial, FDA-cleared, multiplex assays for the detection of gastrointestinal pathogens ie, Verigene EP, FilmArray GI, and xTAG GPP. (medscape.com)
  • are opportunistic pathogens often found associated with intravascular device-related bacteraemias and ventilator-associated pneumonia. (biomedcentral.com)
  • Infections can be caused by a wide range of pathogens , most prominently bacteria and viruses . (wikipedia.org)
  • Results: All milk samples harboured gram-negative bacilli, which are likely to constitute hazard to public health. (researchsquare.com)
  • Washed-out light purple = Gram positive bacilli. (librepathology.org)
  • Besides assembling serratiochelin A and B with diaminopropane, S. plymuthica utilizes putrescine and the same set of enzymes to assemble photobactin, a siderophore found in the bacterium Photorhabdus luminescens . (biomedcentral.com)
  • The management system also found to affect the sero-prevalence of BTD and it was higher in migratory flocks (63.29% in sheep to 84.84% in goats) compared to stationary flocks (35.03% in sheep to 72.88% in goats). (cswri.res.in)
  • In 1987, the World Organization for Animal Health reported 20% prevalence of brucellosis, being higher around large towns than in rural areas [ 9 ]. (hindawi.com)
  • Carbon catabolite repression in bacteria: choice of the carbon source and autoregulatory limitation of sugar utilization. (microbiologyresearch.org)
  • The proportion of matrix, typically low molecular weight mucoproteins, is greater than in other types of calcium-based stones and is thought to protect the bacteria from antimicrobials. (medscape.com)
  • This organism is non-lactose fermenting and oxidase negative. (medscape.com)
  • The e nterobacteriaceae are gram-negative, non-spore-forming, facultatively anaerobic, catalase-and nitrate-positive, oxidase-negative and generally capable of growth on medum containing simple nutritional substrates as they can ferment a wide range of carbohydrates. (researchsquare.com)
  • Bacteria have not only devised ways of biosynthesizing "proprietary" siderophore molecules, but have evolved transport mechanisms that allow them to utilize foreign siderophores, or xenosiderophores, as well [ 8 , 9 ]. (biomedcentral.com)
  • Xenorhabdus bacteria engage in a beneficial symbiosis with Steinernema nematodes, in part by providing activities that help kill and degrade insect hosts for nutrition. (biomedcentral.com)
  • Xenorhabdus bacteria are beneficial symbionts of entomopathogenic (insect-parasitic) Steinernema nematodes. (biomedcentral.com)
  • The integrated life cycle of Xenorhabdus bacteria and Steinernema nematodes comprises alternating environments of the soil and insect hosts infected by the pair (Fig. 1 ) [ 6 ]. (biomedcentral.com)
  • The infective juvenile (IJ) is the soil dwelling, environmental stage of the nematode that carries bacteria and infects insect hosts. (biomedcentral.com)
  • Isolation and culture were crucial, as all emerging bacteria have been grown on artificial media or cell lines or at least propagated in animals. (cdc.gov)
  • This bacterium is a naturally occurring, free-living inhabitant of estuarine and marine environments throughout the world and may associate with zooplankton and other aquatic biological flora. (ac.ir)
  • They are found more frequently in women and in persons older than 50 years, likely reflecting the population at increased risk of recurrent or persistent urinary tract infections. (medscape.com)
  • Bacteria and most life forms have evolved a diversity of ways that converge to the same goal: obtaining soluble iron (Fe 2+ ) for survival. (biomedcentral.com)
  • were found in fresh fish from lakes or in commercially available fish. (docksci.com)
  • Once within the insect, the nematodes and bacteria kill the insect and reproduce using the nutrients derived from the cadaver. (biomedcentral.com)
  • So, while the fundamental challenge of spatially and temporally organizing cell division is shared between these rod-shaped bacteria, they have solved these challenges in often vastly different ways. (bvsalud.org)
  • Lamb-hood vaccination using the Iceland JD vaccine for a period of 7 years followed by fecal examination and elimination of positive cases from the flock, resulted in reduction of the incidence of JD from 1.26% in 1985 to 0.41% in 1987. (cswri.res.in)
  • During 1985-88, in sheep and goats, 7.01% of the animals were found positive for BTV antibodies on AGPT. (cswri.res.in)
  • The U-class sirtuins are found only in Gram-positive bacteria [ 17 ]. (biomedcentral.com)
  • estimated that there are approximately 5 × 10 30 bacteria on earth, which is more than the number of plants and animals combined. (frontiersin.org)