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Streptococcus agalactiaeStreptococcusStreptococcal InfectionsStreptococcus pyogenesStreptococcus pneumoniaeStreptococcus mutansMastitis, BovineSerotypingBacterial ProteinsMastitisStreptococcus PhagesMeningitis, BacterialErythromycinStreptococcus suisDNA, BacterialAnti-Bacterial AgentsStreptococcus bovisBacterial AdhesionVaginaStreptococcus mitisBacterial CapsulesMicrobial Sensitivity TestsStreptococcus equiGenes, BacterialMolecular Sequence DataStreptococcus oralisDrug Resistance, BacterialVirulenceProphagesAntigens, BacterialStreptococcus sobrinusAminoacyltransferasesSequence Analysis, DNABacterial Typing TechniquesLincosamidesEnterococcus faecalisGram-Positive BacteriaBacteriological TechniquesCulture MediaClindamycinVirulence FactorsCattleKeratin-4Adhesins, BacterialPneumococcal InfectionsStreptococcus gordoniiGene Expression Regulation, BacterialElectrophoresis, Gel, Pulsed-FieldTeichoic AcidsPyometraAmobarbitalTetracycline ResistanceRandom Amplified Polymorphic DNA TechniqueStreptococcus thermophilusGenome, BacterialHemolysin ProteinsInfant, NewbornPolysaccharides, BacterialFasciitis, NecrotizingLactoperoxidaseArcanobacteriumPolymerase Chain ReactionMacrolidesMilkDNA FingerprintingProkaryotic Initiation Factor-2Carrier StateMycoplasma InfectionsReceptors, FibrinogenAntibodies, BacterialInterspersed Repetitive SequencesDNA Transposable ElementsMeningitisPhylogenyBase SequencePolysaccharide-LyasesGenetic VariationAmino Acid SequenceMolecular TypingZimbabwePigments, BiologicalPregnancy Complications, InfectiousTetracyclineDrug Resistance, MicrobialBacteriaDairyingArthritis, InfectiousStaphylococcusMultilocus Sequence TypingCell WallGene OrderMouthStaphylococcus aureusHemolysisColony Count, MicrobialGenotypeStreptolysinsRectumPregnancyFimbriae, Bacterial
PyogenesStaphylococcusStrainsIsolatesInfectionBacteriaKlebsiellaNewbornsBacteriumOrganismInfectionsSepsisIntermediusCatalase-negativeHemolyticSpeciesATCCIntrapartum2023HemolysisClinicalMilkOrganismsVaginalBeta-hemolysinVirulenceHumansPregnantAntibiotic resistanceGroup A streptococMicrobiologicalPenicillinGram-positivePresumptiveNegativePathogenLaboratorySearch2016FrequencyDairy cows
Pyogenes16
Staphylococcus6
Strains10
  • The results of this study will enhance our understanding of the immune responses of fish, and will aid in the development of effective vaccines, therapies, and disease-resistant strains. (frontiersin.org)
  • Aims: The aim of this study was to characterize Streptococcus agalactiae strains that were isolated from fishes in Malaysia using random amplified polymorphic DNA (RAPD) and repetitive extragenic palindromic PCR (REP-PCR) techniques. (upm.edu.my)
  • Methods and Results: A total of 181 strains of Strep. (upm.edu.my)
  • Three strains of Strep. (upm.edu.my)
  • agalactiae that were recovered from golden pompano showed a genetic dissimilarity from the strains isolated from red hybrid tilapia, while the strain of ATCC 27956 that recovered from bovine displayed a unique profile for both methods. (upm.edu.my)
  • agalactiae strains for future epidemiological investigation. (upm.edu.my)
  • Class I strains cause rheumatic fever while class II strains result in acute glomerulonephritis. (nih.gov)
  • Deletion of the fbsA gene in various S. agalactiae strains substantially reduced their binding of soluble fibrinogen and their adherence to and invasion of epithelial cells, indicating a role of FbsA in these different processes. (unipv.it)
  • Opsonisation of a marine strain and terrestrial strain of GBS with antiserum raised against the marine strain resulted in an increase in ROS production by HKL in both cases although there was low antigenic cross reactivity between the two strains by flow cytometry, reflecting their diverse serotypes (Ib vs III). (qld.gov.au)
  • Both hemolytic and non-hemolytic strains of group B streptococci show this phenomenon. (microbeonline.com)
Isolates1
  • To better understand how S. agalactiae are pathogenic in fish, we investigated interactions between isolates from fish and terrestrial hosts and the cellular immune system of Queensland grouper Epinephelus lanceolatus using flow cytometry. (qld.gov.au)
Infection18
  • In older children and adults, colonization of the bacteria rarely results in infection. (pregnancycrawler.com)
  • Group B streptococcus is a leading cause of serious neonatal infection. (cdc.gov)
  • [2] GAS can cause infection in muscle and fascia resulting in myositis and necrotizing fascitis usually following a mild trauma and can result in toxic shock syndrome. (nih.gov)
  • During the course of infection, S. agalactiae adheres to a variety of epithelial cells but the underlying mechanisms are only poorly understood. (unipv.it)
  • Although S. agalactiae grows well in vitro by fermentative metabolism, it is shown here that the absence of NDH-2 results in attenuated virulence, as observed by reduced colonization in heart and kidney in a mouse model of systemic infection. (uea.ac.uk)
  • Cytidine monophosphate (CMP) N-acetylneuraminic acid (NeuNAc) synthetase, which is encoded by the neuA gene, can catalyze the activation of sialic acid with CMP, and plays an important role in Streptococcus agalactiae infection pathogenesis. (geneticsmr.com)
  • Moreover, the pro-tein had some B-cell epitopes, which suggests its potential in development of a vaccine against S. agalactiae infection. (geneticsmr.com)
  • Conclusion: These results demonstrate that the HIV-positive women of Burkina Faso are frequently affected by BV and represent a reservoir for mycoplasma infection. (bvsalud.org)
  • Streptococcus agalactiae cadD alleviates metal stress and promotes intracellular survival in macrophages and ascending infection during pregnancy. (bvsalud.org)
  • Perinatal infection with Streptococcus agalactiae , or Group B Streptococcus (GBS), is associated with preterm birth , neonatal sepsis , and stillbirth . (bvsalud.org)
  • Group B streptococcus (GBS), also known as Streptococcus agalactiae , is recognized as a leading cause of postpartum infection and neonatal sepsis. (medscape.com)
  • Skin and soft-tissue infection, decubitus ulcers, and colonization of foot infections in patients with diabetes can also result from GBS infection. (medscape.com)
  • In newborns, group B Streptococcus infection is acquired through direct contact with the bacteria while in the uterus or during birth thus, the gestational bacterial infection is transmitted from the colonized mother to her newborn. (infectiontalk.net)
  • Group B strep infection is more common in African Americans than in whites. (infectiontalk.net)
  • Neonatal group B streptococcal infection - Results of 33 months ofuniversal maternal screening and antibioprophylaxis. (ntnu.edu.tw)
  • Pediatric sepsis is generally considered to comprise a spectrum of disorders that result from infection by bacteria, viruses, fungi, or parasites or the toxic products of these microorganisms. (medscape.com)
  • A baby may need a group B strep test if he or she has symptoms of infection. (medlineplus.gov)
  • Discussions with clinicians in multiple states raised concerns about a possible increase in pediatric intracranial infections, particularly those caused by Streptococcus bacteria, during the past year and the possible contributing role of SARS-CoV-2 infection. (medscape.com)
Bacteria10
  • So, Strep agalactiae refers to the round bacteria that grow in chains and that was previously known to infect cattle, resulting in reduced milk production. (osmosis.org)
  • Strep agalactiae has a thick peptidoglycan cell wall, which takes in purple dye when Gram stained - so this is a gram-positive bacteria. (osmosis.org)
  • Both these bacteria are beta-hemolytic, but Strep agalactiae makes a substance called CAMP factor, which enhances the action of staphylococcal beta-hemolysin. (osmosis.org)
  • Streptococcus agalactiae bacteria, responsible for vaginal and urinary tract infections and newborn infections including meningitis and septicemia. (blogarama.com)
  • Group B Strep (Strepococcus agalactiae, group B) is a common bacteria. (pregnancycrawler.com)
  • Although bacteria usually have a branched respiratory chain with multiple dehydrogenases and terminal oxygen reductases, here we establish that S. agalactiae utilizes only one type 2 NADH dehydrogenase (NDH-2) and one cytochrome bd oxygen reductase to perform respiration. (uea.ac.uk)
  • Strep B, also known as group B strep (GBS), is a type of bacteria commonly found in the digestive tract, urinary tract, and genital area. (medlineplus.gov)
  • A group B strep test checks for GBS bacteria. (medlineplus.gov)
  • A group B strep test is most often used to look for GBS bacteria in pregnant women. (medlineplus.gov)
  • If you are pregnant and results show you have GBS bacteria, you will be given antibiotics intravenously (directly to your veins) during labor, at least four hours before delivery. (medlineplus.gov)
Klebsiella1
  • O objetivo deste estudo foi observar fatores que influenciam a concentração de imunoglobulina G (IgG) no cordão umbilical dos neonatos e a transferência transplacentária de IgG total e de IgG contra o Streptococcus grupo B (EGB), e lipopolissacarídeos (LPS) de Klebsiella spp. (usp.br)
Newborns3
  • Later on, Strep agalactiae was found to also be a human potential pathogen responsible for a number of infections that most commonly affect pregnant women and newborns. (osmosis.org)
  • Though uncommon, if some newborns become infected, the results can be devastating. (pregnancycrawler.com)
  • Universal screening at 35--37 weeks' gestation for maternal GBS colonization and use of intrapartum antibiotic prophylaxis has resulted in substantial reductions in the burden of early-onset GBS disease among newborns. (cdc.gov)
Bacterium4
  • Streptococcus agalactiae (also known as group B streptococcus or GBS) is a gram-positive coccus (round bacterium) with a tendency to form chains (as reflected by the genus name Streptococcus). (wikipedia.org)
  • Streptococcus agalactiae , also known as group B streptococcus , is a gram-positive, beta-hemolytic, catalase-negative, and bacitracin -resistant bacterium, which can cause several infections in humans. (osmosis.org)
  • This research reported that Streptococcus agalactiae organism is one bacterium that is implicated in mastitis infections. (unair.ac.id)
  • In the 1970s, the bacterium group B Streptococcus (GBS) emerged as the leading infectious cause of early neonatal morbidity and mortality in the United States ( 1--4 ). (cdc.gov)
Organism1
  • Then, inoculate a streak of the test organism (beta-hemolytic streptococci to be identified) perpendicular to the staphylococcal streak . (microbeonline.com)
Infections11
  • Streptococcus agalactiae (group B streptococcus [GBS]) causes invasive human infections and bovine mastitis. (cdc.gov)
  • Streptococcus agalactiae (group B streptococcus [GBS]) is the major etiologic agent of invasive neonatal infections in humans in industrialized countries, causing sepsis, pneumonia, meningitis, osteomyelitis, and soft tissue infections ( 1 ). (cdc.gov)
  • Most frequently, Streptococcus agalactiae causes neonatal infections like pneumonia , sepsis , meningitis , and septic arthritis . (osmosis.org)
  • To prevent Streptococcus agalactiae infections in neonates, intrapartum antibiotic prophylaxis can be administered to vaginally colonized pregnant females. (osmosis.org)
  • Streptococcus agalactiae infections have major consequences for public health. (unair.ac.id)
  • The opportunistic pathogen Streptococcus agalactiae is the major cause of meningitis and sepsis in a newborn's first week, as well as a considerable cause of pneumonia, urinary tract infections, and sepsis in immunocompromised adults. (uea.ac.uk)
  • Results: of a total of 5,706 blood donors, 1,054 (18.5%) were seropositive for at least one infectious marker and 59 (5.6%) had serologic evidence of multiple infections. (bvsalud.org)
  • The results of this study demonstrate MultiPath technology's unique potential to determine the optimum treatment for life-threatening syndromic infections in any type of sample in just a few hours. (rapidmicromethods.com)
  • Results: Neonatal bacterial infections accounted for 63.75% of admissions. (scirp.org)
  • Streptococcus agalactiae (Group B Streptococcus, GBS) is a commensal of the digestive and genitourinary tracts of humans that emerged as the leading cause of bacterial neonatal infections in Europe and North America during the 1960s. (pasteur.fr)
  • It may result from infections, other disorders, or reactions to drugs. (msdmanuals.com)
Sepsis3
  • Streptococcus agalactiae is a major cause of bacterial pneumonia, sepsis, and meningitis in human neonates. (unipv.it)
  • Group B Streptococcus (GBS) frequently colonizes pregnant women and can cause sepsis and meningitis in young infants. (emmes.com)
  • Sepsis caused by N. meningitidis sometimes results in coagulopathy and bilateral adrenal hemorrhagic infarction (Waterhouse-Friderichsen syndrome). (msdmanuals.com)
Intermedius1
  • In May 2022, CDC learned of three children in California hospitalized concurrently for brain abscess, epidural empyema, or subdural empyema caused by Streptococcus intermedius . (medscape.com)
Catalase-negative3
  • Now, a particular trait of Streptococcus species is that they are catalase negative, meaning they do not produce an enzyme called catalase. (osmosis.org)
  • Streptococci are gram-positive, catalase-negative, coagulase-negative cocci that occur in pairs or chains. (nih.gov)
  • If any gram-positive, catalase-negative, beta-hemolytic cocci, bacitracin-resistant, trimethoprim-sulfamethoxazole-resistant shows such arrowhead hemolysis, it can be reported as group B. streptococci ( Streptococcus agalactiae ). (microbeonline.com)
Hemolytic2
  • It is used for the rapid differentiation of enterococci from group D ß-hemolytic streptococci. (microbiologyinfo.com)
  • [ 14 ] Meleney later reported 20 patients he encountered in China in whom necrotizing fasciitis was caused by hemolytic streptococcus. (medscape.com)
Species4
  • The plural term group B streptococci (referring to the serotypes) and the singular term group B streptococcus (referring to the single species) are both commonly encountered (even though S. halichoeri and S. pseudoporcinus are also group B Streptococci). (wikipedia.org)
  • The species name agalactiae meaning "of no milk", alludes to this. (wikipedia.org)
  • Streptococcus agalactiae (Group B Streptococcus, GBS) is emerging as a genetically diverse species infecting farmed and wild fish, including commercially and culturally important groupers. (qld.gov.au)
  • Cultures grew Streptococcus milleri and anaerobes (Prevotella species). (medscape.com)
ATCC2
Intrapartum2
  • This report provides the epidemiologic basis for prevention protocols, summarizes results of clinical trials demonstrating the efficacy of intrapartum antimicrobial agents, examines limitations of different approaches to prevention, and presents guidelines for the prevention of GBS disease. (cdc.gov)
  • As a result of the collaborative efforts of clinicians, researchers, professional organizations, parent advocacy groups, and the public health community in the 1990s, recommendations for intrapartum prophylaxis to prevent perinatal GBS disease were issued in 1996 by the American College of Obstetricians and Gynecologists (ACOG) ( 12 ) and CDC ( 13 ) and in 1997 by the American Academy of Pediatrics (AAP) ( 14 ). (cdc.gov)
20231
  • TAIZHOU, China, Aug. 27, 2023 /PRNewswire/ - Innovative vaccine company Recbio (02179.HK) announced its latest progress and interim results for 2023. (blogarama.com)
Hemolysis4
Clinical1
Milk2
Organisms1
  • According to international scientific literature, the main causative organisms are B. streptococcus, E. coli and Listeria monocytogenes. (scirp.org)
Vaginal1
  • A Phase 2, Randomized, Control Trial of Group B Streptococcus (GBS) Type III Capsular Polysaccharide-tetanus Toxoid (GBS III-TT) Vaccine to Prevent Vaginal Colonization With GBS III. (emmes.com)
Beta-hemolysin1
  • That's because Strep agalactiae makes a toxin called beta-hemolysin, that causes complete lysis of the hemoglobin in the red blood cells, making them blood agar change color from red to transparent yellow around the colonies. (osmosis.org)
Virulence2
Humans2
Pregnant2
  • Our results indicate that GBS cadD plays an important role in metal detoxification, which promotes immune evasion and bacterial proliferation in the pregnant host. (bvsalud.org)
  • You may need a strep B test if you are pregnant. (medlineplus.gov)
Antibiotic resistance2
  • California mastitis test (CMT) was performed to confirm the presence of somatic cells, S. agalactiae was identified using standard microbiological methods, and antibiotic resistance was determined by Kirby-Bauer disc diffusion method using Mueller-Hinton agar. (unair.ac.id)
  • This empiric therapy may be medically sub-optimal or even ineffective and often results in treatment of uninfected patients, which accelerates the spread of antibiotic resistance. (rapidmicromethods.com)
Group A streptococ4
  • Lancefield serological grouping system is used to differentiate group A streptococci (GAS) from other streptococci. (nih.gov)
  • Some group A streptococci will be CAMP test positive if the test plate is incubated in a candle jar, in a CO2 atmosphere, or under anaerobic conditions. (microbeonline.com)
  • Facklam, Thacker, Fox and Eriquez reported that 98% of group A streptococci and 96% of group D enterococci hydrolyze PYR. (microbiologyinfo.com)
  • PYR may be used in the presumptive separation of group A streptococci and group D enterococci from other streptococci. (microbiologyinfo.com)
Microbiological1
  • Available Streptococcus specimens isolated from a brain abscess, epidural empyema, subdural empyema, blood, or cerebrospinal fluid were collected for antimicrobial susceptibility testing and whole-genome sequencing at CDC's Streptococcus reference laboratory to identify microbiological features shared among cases. (medscape.com)
Penicillin1
Gram-positive1
Presumptive1
  • At first, place one drop or a 10 μl loopful of CAMP liquid reagent next to a presumptive S. agalactiae colony growing on a blood agar plate. (microbeonline.com)
Negative4
  • further reported that 98% of group B streptococci, 100% of non-group A, B and D streptococci, 100% of group D non-enterococci and 82% of viridans streptococci yield negative PYR test results. (microbiologyinfo.com)
  • A false-negative test can result if the disk or filter paper are too moist. (microbiologyinfo.com)
  • False-negative tests can result if selective media or tube biochemical agars are used to provide inocula. (microbiologyinfo.com)
  • This is a negative result. (microbiologyinfo.com)
Pathogen2
  • S. agalactiae is the most common human pathogen of streptococci belonging to group B of the Rebecca Lancefield classification of streptococci. (wikipedia.org)
  • S. agalactiae is also a common veterinary pathogen, because it can cause bovine mastitis (inflammation of the udder) in dairy cows. (wikipedia.org)
Laboratory2
  • This compound may be useful as a laboratory tool to inhibit respiration in S. agalactiae and, since it has few side effects, it might be considered a lead compound for therapeutics development. (uea.ac.uk)
  • Conclusions These results have practical implications for the optimal workflow for blood culture bottles that have flagged positive in automated detection systems located remotely from a central processing laboratory, particularly in tropical resource-constrained contexts. (ox.ac.uk)
Search2
  • Would you like email updates of new search results? (nih.gov)
  • Table representation of search results timeline featuring number of search results per year. (nih.gov)
20161
  • Results: In 2016, the Registry conservatively identified 16,424 adult persons who met the Registry definition of ALS for an age-adjusted prevalence rate of 5.2 per 100,000U.S. population. (cdc.gov)
Frequency1
  • These results suggest that the treatment with this bacterial preparation significantly reduces the incidence of rUTIs, arising as an effective strategy to reduce the frequency of rUTIs. (frontiersin.org)
Dairy cows1
  • Results showed that 89 (79.46%) out of 112 dairy cows were positive for CMT, which indicated the presence of mastitis. (unair.ac.id)