• Gram-positive organisms, for example, Streptococcus pyogenes and S. aureus , historically were major causes of morbidity and mortality following penetrating trauma in the pre-antibiotic era and remain initial pathogens for many infection types. (medscape.com)
  • Most often, the etiologic organisms associated with perineal cellulitis and episiotomy site infections are Staphylococcus or Streptococcus species and gram-negative organisms, as in endometritis. (medscape.com)
  • Methicillin-sensitive S. aureus , Streptococcus pneumoniae , and Haemophilus influenzae are most commonly implicated when pneumonia develops within 4 to 7 days of hospitalization, whereas P. aeruginosa , MRSA, and enteric gram-negative organisms become more common with increasing duration of hospitalization. (merckmanuals.com)
  • Lower Respiratory Tract Infections caused by Streptococcus pneumoniae, Staphylococcus aureus (methicillin susceptible), Haemophilus influenzae, Klebsiella species (including K. pneumoniae), E. coli, Proteus mirabilis, and Serratia marcescens. (globalrph.com)
  • Gram-positive organisms such as Staphylococcus aureus and Streptococcus species are the most commonly isolated organisms in patients with pyogenic vertebral infections. (wheelessonline.com)
  • Cases with simple stenosis of the lacrimal duct (SSLD) showed significantly less Streptococcus sp (p=0.004) and Gram negative organisms (p=0.004) than those with chronic dacryocystitis. (bmj.com)
  • Streptococcus pneumoniae is the most common cause of nursing home-acquired pneumonia, although Staphylococcus aureus and gram-negative organisms may be more common in severe cases. (aafp.org)
  • If the infection is caused by a methicillin-resistant S aureus (MRSA) organism, then antibiotic selection should be based on sensitivity testing and includes clindamycin, trimethoprim-sulfamethoxazole, minocycline, doxycycline, or linezolid. (medscape.com)
  • Antimicrobial resistance in S. aureus has increased dramatically, particularly in the hospital, where the rapid emergence of methicillin-resistant S. aureus (MRSA) and the appearance of S. aureus isolates with resistance to vancomycin have led to concern that this organism may become untreatable with currently available antimicrobials. (cdc.gov)
  • MRSA), intermediate to OX, and every 10th isolate sensitive to OX [i.e., methicillin-sensitive Staphylococcus aureus (MSSA)] by disk diffusion were saved for additional testing of organism characteristics. (cdc.gov)
  • An increased number of skin and soft-tissue abscesses caused by community-acquired methicillin-resistant S aureus (MRSA) have occurred in children. (medscape.com)
  • The current study aimed to use Coagulase gene polymorphism to identify methicillin-resistant Staphylococcus aureus (MRSA) subtypes isolated from nasal carriers in Minia governorate, Egypt, evaluate the efficiency of these methods in discriminating variable strains, and compare these subtypes with antibiotypes. (hindawi.com)
  • Some Staphylococcus species are frequently recognized as etiological agents of many animal and human opportunistic infections This is the first report testing the antibiotic resistance-modifying activity of Turnera ulmifolia against methicillin-resistant Staphylococcus aureus - MRSA strain. (springer.com)
  • In recent years, methicillin-resistant Staphylococcus aureus (MRSA) has become a leading cause of infectious disease morbidity and mortality in the United States. (cdc.gov)
  • In this work, using diverse sequence analysis, we evaluated the repertoire of TFs and sigma factors in the community-associated methicillin resistant S. aureus (CA-MRSA) strain USA300-FPR3757. (biomedcentral.com)
  • Hospital associated (HA) and community associated (CA) infections caused by methicillin-resistant S. aureus (MRSA) have become a major public health concern, particularly for CA-MRSA infections as they cause life threatening disease in otherwise healthy individuals with no pre-existing risk factors [ 1 ]. (biomedcentral.com)
  • Although it has received a degree of notoriety as a cause for antibiotic-associated enterocolitis (AAE), the role of methicillin resistant Staphylococcus aureus (MRSA) in the pathogenesis of this disease remains enigmatic despite a multitude of efforts, and previous studies have failed to conclude whether MRSA can cause AAE. (biomedcentral.com)
  • Although numerous papers have been published to date on methicillin resistant Staphylococcus aureus (MRSA), its role in the pathogenesis of antibiotic-associated enterocolitis remains unclear. (biomedcentral.com)
  • Methicillin-resistant Staphylococcus Aureus (MRSA) is a type of bacteria that are resistant to certain antibiotics. (wa.gov)
  • Methicillin-resistant Staphylococcus aureus (MRSA) strains formed 25of this species. (bvsalud.org)
  • Gram-positive cocci and Bacteroides and Clostridium species are the predominant anaerobic organisms involved. (medscape.com)
  • Now the second part of this naming system is going to indicate the species of the organism and this second part where the species is always going to have a first letter that is not capitalized. (pearson.com)
  • The ability to clot blood by producing coagulase distinguishes the virulent pathogen, Staphylococcus aureus , from the less virulent coagulase-negative staphylococcal species. (merckmanuals.com)
  • S. lugdunensis , a coagulase-negative species, can cause invasive disease with virulence similar to that of S. aureus . (merckmanuals.com)
  • The most common peritonitis-causing organisms are gram-positive bacteria, specifically Staphylococcus aureus and coagulase-negative Staphylococcus species. (asn-online.org)
  • Biochemical tests were done to confirm the species of the organisms. (bvsalud.org)
  • For severe deep infections not amendable to incision and drainage or for patients with infections resistant to the above antibiotics (methicillin-susceptible S aureus [MSSA]), consult with an infectious disease specialist and consider linezolid 600 mg q12h for 10-14d. (medscape.com)
  • S. aureus can cause a range of illnesses from minor skin infections to Staphylococcus aureus food poisoning enteritis. (wikipedia.org)
  • Paronychial infections develop when a disruption occurs between the seal of the proximal nail fold and the nail plate that allows a portal of entry for invading organisms. (aafp.org)
  • All strains of S. aureus produce coagulase enzyme, and its production can identify S. aureus infections [ 9 ]. (hindawi.com)
  • S. aureus infections are more prevalent in carriers than in noncarriers and are usually caused by the colonizing strain. (merckmanuals.com)
  • Urinary tract infections are mostly caused by Gram-negative organisms than Gram-positive organisms. (ispub.com)
  • Although TMP/SMX is a drug that is frequently used to treat skin and soft-tissue infections of the leg and foot, particularly if methicillin-resistant Staphylococcus aureus is identified, it is not an innocuous antibiotic. (japmaonline.org)
  • Staphylococcus aureus is a facultative human pathogen and the casual agent of a diverse array of diseases, including superficial skin and wound-related tissue infections, food poisoning, bacteremia, endocarditis and pneumonia. (biomedcentral.com)
  • 12 Endogenous breast flora, such as Propionibacterium acnes and coagulase-negative Staphylococcus , have been implicated in the etiology of these types of infections. (jcda.ca)
  • Streptococcal Infections Streptococci are gram-positive aerobic organisms that cause many disorders, including pharyngitis, pneumonia, wound and skin infections, sepsis, and endocarditis. (msdmanuals.com)
  • Resistance that develops in one organism or location can also spread rapidly and unpredictably, through for instance exchange of genetic material between different bacteria, and can affect antibiotic treatment of a wide range of infections and diseases. (who.int)
  • Coagulase-positive S. aureus is among the most ubiquitous and dangerous human pathogens, for both its virulence and its ability to develop antibiotic resistance. (merckmanuals.com)
  • A tube coagulase test using rabbit plasma with EDTA was then performed on Staphaurex-negative isolates from BAP with morphology consistent with S. aureus and Staphaurex-positive isolates with morphology inconsistent with S. aureus (non-hemolytic). (cdc.gov)
  • Staphaurex-positive isolates and Staphaurex-negative tube coagulase-positive isolates were identified as S. aureus and saved for further testing. (cdc.gov)
  • S. aureus isolates were screened for methicillin resistance following the NCCLS disk diffusion method. (cdc.gov)
  • Cefoxitin (30g) was used as surrogate to determine phenotypic methicillin resistance in staphylococcus isolates, and the methicillin resistance ( mec A) gene was detected by conventional PCR assay. (who.int)
  • In this study, we identified the intrinsic resistome to a broad spectrum of antimicrobials in the human pathogen, Staphylococcus aureus . (frontiersin.org)
  • Staphylococcus aureus is a widely distributed human pathogen capable of infecting almost every ecological niche of the host. (biomedcentral.com)
  • Now again, within each of these different types of organisms there are going to be different strains. (pearson.com)
  • The epidemiology of the organism has changed, with novel strains emerging in the community among individuals lacking any healthcare contact. (cdc.gov)
  • The analysis presented herein highlights the complexity of regulatory networks in S. aureus strains, identifies key conserved TFs among the Staphylococacceae , and offers unique insights into several as yet uncharacterized TFs. (biomedcentral.com)
  • S. aureus has obtained notoriety in recent years due to the appearance and worldwide spread of antibiotic resistant strains. (biomedcentral.com)
  • Even though diverse strains of S. aureus have been extensively studied, and subjected to genome sequencing, the function of a large proportion of their genes remains unidentified. (biomedcentral.com)
  • Finally, we examine the conservation of 135 USA300 TFs amongst 11 other S. aureus strains, identifying a key group of regulators that display a high degree of conservation, including many that have previously been demonstrated to play a role in virulence gene regulation. (biomedcentral.com)
  • 10 kDa in size with 37-48 amino acids that inhibit growth of food spoilage organisms such as Listeria monocytogenes, Bacillus cereus, Clostridium perfringens, Staphylococcus aureus and E. coli (Rodrigues et al. (researchsquare.com)
  • Staphylococcus aureus is a Gram-positive, facultative anaerobe, coccal (round shaped) bacteria that appears in grape-like clusters that can thrive in high salt and low water activity habitats. (wikipedia.org)
  • S. aureus bacteria can live on the skin which is one of the primary modes of transmission. (wikipedia.org)
  • Bacteriocins are ribosomally synthesized proteinaceous compounds produced by bacteria to protect themselves as well as to competitively colonize in the gut through elimination of undesirable organisms. (researchsquare.com)
  • FACTS: There are over 30 different kinds of staph bacteria, but staphylococcus aureus is the most common. (giantmicrobes.com)
  • In the vitreous samples inoculated with S. aureus and cultured for 12 h, the number of S. aureus increased in a dose-dependent manner to the number of bacteria in the inoculate. (molvis.org)
  • However, bacteria could be detected in only two out of nine spots of pellets (22.2%) if the number of inoculated S. aureus was 1.0 × 10 3 CFU/μl. (molvis.org)
  • We retrospectively investigated the bacteria from endophthalmitis samples (aqueous humor and vitreous) and found that the three organisms most commonly responsible are Staphylococcus spp . (molvis.org)
  • Subsequently, the current approach to treat methicillin-resistant Staphylococcus aureus, gram-negative bacteria, as well as multiple coinfections is reviewed. (nih.gov)
  • Enhanced Barrier Precautions (EBP) are an infection control intervention designed to reduce transmission of resistant organisms that employs targeted gown and glove use during high contact resident care activities. (cdc.gov)
  • At a minimum, they should include resistant organisms targeted by CDC but can also include other epidemiologically important MDROs [9, 10]. (cdc.gov)
  • antibiotic-resistant organisms are an important concern. (merckmanuals.com)
  • infection control is recommended as a strategy to minimise spread of resistant organisms. (bvsalud.org)
  • However, in severe cases of nursing home-acquired pneumonia requiring hospitalization and mechanical ventilation, the rates of infection with Staphylococcus aureus and enteric gram-negative organisms appear to exceed those of S. pneumoniae . (aafp.org)
  • Erythromycin acts by inhibition of protein synthesis by binding 50S ribosomal subunits of susceptible organisms. (nih.gov)
  • Staphylococcus aureus is one of the most common causes of skin and soft tissue infection in both the health care and community settings. (cdc.gov)
  • Infection with a resistant organism markedly worsens mortality and morbidity. (merckmanuals.com)
  • Therefore, this assay is considered a simple and accurate subtyping method of S. aureus [ 11 ] and can be included in epidemiological studies and routine infection control programs [ 8 ]. (hindawi.com)
  • from these locations, staphylococci can cause infection in the host and others. (merckmanuals.com)
  • Infection usually is caused by bacterial organisms, but can also be due to viral or fungal organisms. (wheelessonline.com)
  • Bacterial endophthalmitis is a devastating infection resulting from ocular trauma, postoperative endophthalmitis, and migration of bloodborne organisms into the eye. (molvis.org)
  • Although relevance of these organisms is unclear, the pathologic consequences of methicillin-resistant S. aureus infection in patients with CF have been recently determined. (nih.gov)
  • Predisposed patients may acquire antibiotic-resistant staphylococci from other patients, health care personnel, or inanimate objects in health care settings. (merckmanuals.com)
  • For patients in whom S aureus colonization is suspected, bleach baths or bleach soaks may be of benefit. (medscape.com)
  • Added additional rationale for the use of Enhanced Barrier Precautions (EBP) in nursing homes, including the high prevalence of multidrug-resistant organism (MDRO) colonization among residents in this setting. (cdc.gov)
  • This organism produces a diverse array of virulence factors, including toxins, adhesins, colonization and biofilm factors. (biomedcentral.com)
  • Secondary metabolites were also extracted from the respective moulds and the antimicrobial properties of these metabolites were tested against pure cultures of E. coli, S. aureus, P. flourescens and B. lichieniformis. (ajol.info)
  • The majority of the identified genes have not previously been associated with antimicrobial susceptibility in S. aureus . (frontiersin.org)
  • These organisms can be associated with antimicrobial resistance, especially in the nursing home setting. (aafp.org)
  • Multidrug-resistant organism (MDRO) transmission is common in skilled nursing facilities, contributing to substantial resident morbidity and mortality and increased healthcare costs. (cdc.gov)
  • Common symptoms of Staphylococcus aureus food poisoning include: a rapid onset which is usually 1-6 hours, nausea, explosive vomiting for up to 24 hours, abdominal cramps/pain, headache, weakness, diarrhea and usually a subnormal body temperature. (wikipedia.org)
  • The most common organism causing breast abscesses in this population is Staphylococcus aureus . (medscape.com)
  • Staphylococcus aureus is the most common organism in children in all age cat-egories. (contemporarypediatrics.com)
  • Our results demonstrate that many gene products contribute to the intrinsic antimicrobial resistance of S. aureus . (frontiersin.org)
  • Treatment of hospitalized patients with nursing home-acquired pneumonia requires broad-spectrum antibiotics with coverage of many gram-negative and gram-positive organisms, including methicillin-resistant S. aureus . (aafp.org)
  • Gram-negative organisms, herpes simplex virus, dermatophytes and yeasts have also been reported as causative agents. (aafp.org)
  • however, since the identification of Clostridium difficile and its toxin as the primary cause of pseudomembranous colitis in the 1970s, S. aureus has all but been exonerated from the accusation [ 2 - 5 ]. (biomedcentral.com)
  • For example, S. aureus , which is a poor former of monoculture biofilms, and Candida albicans together form unusual, but effective, mixed biofilms , where the yeast creates a scaffold for the bacterium. (asmblog.org)
  • Antibiotic therapy for nursing home-acquired pneumonia should target a broad range of organisms, and drug-resistant microbes should be considered when making treatment decisions. (aafp.org)
  • Empiric coverage of methicillin-resistant Staphylococcus aureus and double coverage of Pseudomona pneumonia should be prescribed for patients requiring intensive care unit admission. (aafp.org)
  • Treatment is initially with ampicillin plus either gentamicin or cefotaxime , narrowed to organism-specific drugs as soon as possible. (msdmanuals.com)
  • And so you can see that we've provided some images of these different organisms along with their scientific names. (pearson.com)
  • This scenario is similar to the acquisition of infectious organisms following human bites or clenched-fist injuries. (aafp.org)
  • 10 6 CFU/ml) and S. aureus to (10 7 CFU/ml) were concurrently added to 96-well tissue culture-treated chamber slides and incubated for 24 h at 37°C. Biofilm formation was monitored by fluorescence microscopy and scanning electron microscopy. (asmblog.org)