BacteriaStaphylococcusBacilliRodsPseudomonasOrganismsAureusStreptococcusBacillusPathogensIsolatesAerobicSalmonellaInfectionsStreptococciMicrobiologyAntibioticStain resultsStainingSpeciesFacultative anaerobicPositifStaphylococciVeillonellaStainsChristian GramClostridiumPeptidoglycanBlood culturesBacteremiaDrainagePathogenic
Bacteria35
- Bacteria are broadly categorized as Gram positive or negative based on their staining characteristics. (livestrong.com)
- Several types of Gram-positive, rod-shaped bacteria can cause human disease. (livestrong.com)
- Other important enteric gram-negative bacteria include Enterobacter species, Klebsiella pneumoniae , Escherichia coli , Serratia marcescens , Proteus species, and Acinetobacter species. (merckmanuals.com)
- The third generation cephalosporins have a marked activity against gram-negative bacteria. (whocc.no)
- It is effective against most gram-positive bacteria and against gram-negative cocci. (definitions.net)
- 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)
- Certain gram-negative bacteria have become resistant to penicillin. (starhealth.in)
- The later generations of penicillin have become broad-spectrum and are effective against gram-negative bacteria. (starhealth.in)
- Third-generation cephalosporins are less effective in most gram-positive bacteria but are effective against Enterobacteriaceae, Neisseria spp. (starhealth.in)
- While gram-positive and gram-negative bacteria showed low susceptibility to Ampicillin, Tetracycline and Cotrimoxazole, the GNR were susceptible to Gentamicin and third-generation cephalosporins. (biomedcentral.com)
- Like other third-generation cephalosporins, it has broad spectrum activity against Gram positive and Gram negative bacteria. (loinc.org)
- Fosfomycin has a broad spectrum of activity against a wide range of Gram-positive and Gram-negative bacteria. (fresenius-kabi.com)
- It shows excellent bactericidal activity against many Gram-negative bacteria such as Escherichia coli, Proteus mirabilis, Klebsiella pneumoniae, Enterobacter spp. (fresenius-kabi.com)
- Gram-negative bacteria were the major pathogens involved in SBP in the cirrhotic patients. (biomedcentral.com)
- The percentage of gram negative bacteria in the control sample is 61% and in the test sample is 20% after 13 wk, whereas the percentage of gram positive bacteria in the control sample is 39% and in the test sample is 80% after 13 wk. (wjgnet.com)
- The shift from anaerobic gram negative bacteria to aerobic gram positive bacteria is clearly seen from the control to test sample after 13 wk. (wjgnet.com)
- gram 's method (p. 40) is a very useful aid in distinguishing certain bacteria. (dictionary.com)
- UTIs are caused by both Gram-negative and Gram-positive bacteria, as well as, by certain fungi. (ceufast.com)
- We trained an individual ML algorithm on each antimicrobial family to determine whether a Gram-Positive Cocci (GPC) or Gram-Negative Bacilli (GNB) bacteria will resist the corresponding antibiotic. (arxiv.org)
- Gram staining technique is used for staining bacteria, yeasts and aerobic actinomycetes. (who.int)
- On gram stain appear Gram - or gram variable, but have a gram positive cell wall, show antibiotic susceptibility similar to Gram + bacteria, lack endotoxin. (freezingblue.com)
- Gram stain is the most common stain used in microbiology to identify bacteria. (medscape.com)
- Approximately 40%-80% of the dry weight of gram-positive bacteria consists of peptidoglycan, while gram-negative bacteria have only a single layer of peptidoglycan. (medscape.com)
- When ethanol is used as decolorizing agent, gram-negative bacteria lose their outer membrane because of the higher content of lipid, allowing crystal violet complex to leak through the cell wall. (medscape.com)
- Organisms without a cell wall (eg, Mycoplasma species) and small bacteria (eg, Chlamydia and Rickettsia species) do not stain with Gram stain. (medscape.com)
- Regarding to postoperative pain, the most prevalent bacteria were Gram-positive cocci. (bvsalud.org)
- A Gram stain is a test that checks for bacteria at the site of a suspected infection such as the throat, lungs, genitals, or in skin wounds. (medlineplus.gov)
- Gram stains may also be used to check for bacteria in certain body fluids, such as blood or urine. (medlineplus.gov)
- The categories are diagnosed based on the how the bacteria reacts to the Gram stain. (medlineplus.gov)
- If the bacteria stays purple, they are Gram-positive. (medlineplus.gov)
- If the bacteria turns pink or red, they are Gram-negative. (medlineplus.gov)
- Knowing whether bacteria is Gram-positive or Gram-negative can help your provider identify the type of infection you have and which antibiotics will be most effective in treating it. (medlineplus.gov)
- If the bacteria was colored purple, it means you likely have a Gram-positive infection. (medlineplus.gov)
- Most bacteria are either round (known as cocci) or rod-shaped (known as bacilli). (medlineplus.gov)
- Flowchart that can be used to identify bacteria by using Gram-positive stain. (cdc.gov)
Staphylococcus9
- Gram-positive cocci, including coagulase-negative staphylococci, Staphylococcus aureus , Streptococcus pneumoniae and other Gram-positive cocci, accounted for 42.3% of isolates. (who.int)
- Gram-positive organisms such as Staphylococcus aureus and Streptococcus species are the most commonly isolated organisms in patients with pyogenic vertebral infections. (wheelessonline.com)
- This is unlike other common gram positive cocci, like Staphylococcus, which are catalase positive. (osmosis.org)
- In the last decades, coagulase-negative staphylococci (CoNS), especially Staphylococcus epidermidis have become an important cause of bloodstream infections. (scielo.br)
- and Salmonella typhi, and Gram-positive cocci such as methicillin sensitive Staphylococcus aureus (MSSA), cephalosporin and penicillin-resistant Streptococcus pneumoniae, methicillin resistant Staphylococcus aureus (MRSA), and Enterococcus spp. (fresenius-kabi.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)
- For Gram positive Staphylococcus aureus is used, for Gram negative E. coli is used. (who.int)
- Examples of gram-positive cocci include Staphylococcus and Streptococcus species. (medscape.com)
- Gram-positive infections include methicillin-resistant Staphylococcus aureus ( MRSA ), strep infections , and toxic shock. (medlineplus.gov)
Bacilli11
- citation needed] The anaerobes often isolated from brain abscesses complicating respiratory and dental infections are anaerobic Gram-negative bacilli (AGNB, including Prevotella, Porphyromonas, Bacteroides), Fusobacterium and Peptostreptococcus spp. (wikipedia.org)
- Organisms susceptible to sulfonamides include certain Gram-positive cocci and diplococci, Gram-negative diplococci, and gram-negative bacilli. (drugs.com)
- The most common gram positive cocci is streptococcus and the most common gram negative bacilli in the urinary tract is E. Coli. (wdxcyber.com)
- Higher generations generally have expanded spectra against aerobic gram-negative bacilli. (msdmanuals.com)
- It is effective against most gram-negative bacilli (not Pseudomonas) and gram-positive cocci (not enterococcus) and against many penicillin-resistant pneumococci. (loinc.org)
- The organism is identified as gram-positive or -negative based on the color and as bacilli or cocci based on the shape. (medscape.com)
- Bacilli are rod-shaped organisms, while cocci are spherical in shape. (medscape.com)
- Gram-positive bacilli include Corynebacterium , Clostridium , and Listeria species. (medscape.com)
- Gram-negative bacilli include Escherichia coli, Pseudomonas species, Proteus species, and Klebsiella species. (medscape.com)
- VITEK 2 cards inoculated with fluids sampled directly from positive blood culture bottles are suitable for speedy identification and susceptibility testing of Gram-negative bacilli and Gram-positive cocci. (who.int)
- According to the results, it can be concluded that Fusobacterium nucleatum and Gram-negative bacilli were more related to pre-operative pain. (bvsalud.org)
Rods6
- A number of bacterial species in the broad category of Gram-negative rods can cause human infections, which range in severity and site of the body affected. (livestrong.com)
- It is widely used against bacterial species like gram-positive cocci, gram-positive rods and gram-negative cocci. (starhealth.in)
- Gram negative rods (GNR) comprised 39.1% of all isolates with Klebsiella, E . coli and Salmonella being the most common organisms isolated. (biomedcentral.com)
- In the test group, a predominance of aerobic/facultative gram positive cocci rod was seen which indicates a healthy periodontal site, whereas in the control group, a predominance of anaerobic gram negative rods was present which indicates an unhealthy periodontal condition. (wjgnet.com)
- 20 (16.8) of the isolates were lactose fermenting gram-negative rods that were also indole-negative. (bvsalud.org)
- Gram-negative rods and 74 Gram-positive cocci from inpatients. (who.int)
Pseudomonas2
- Des bacilles à Gram négatif étaient impliqués dans 42,3 autres pour cent des isolats, Pseudomonas aerug- inos étant l'isolat prédominant. (who.int)
- If history reflects exposure to sewage-contaminated water, gram-negative coverage should be instituted for organisms such Pseudomonas and Aeromonas . (medscape.com)
Organisms17
- 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)
- The 1st-generation drugs are effective mainly against gram-positive organisms. (msdmanuals.com)
- Staphylococcal Infections Staphylococci are gram-positive aerobic organisms. (msdmanuals.com)
- Enterococcal Infections Enterococci are gram-positive, facultative anaerobic organisms. (msdmanuals.com)
- Staphylococci are gram-positive aerobic organisms. (merckmanuals.com)
- Blue micro-organisms are Gram positive. (who.int)
- Red micro-organisms are Gram negative. (who.int)
- The quality control consists of reading prepared slides with Gram positive and Gram negative organisms. (who.int)
- Gram-positive organisms are seen as blue/purple (see image below). (medscape.com)
- Gram-negative organisms are seen as pink/red (see image below). (medscape.com)
- Gram-variable organisms are those that cannot be grouped as either negative or positive. (medscape.com)
- The appearance of organisms that stain gram-positive or -negative means that the smear contains organisms. (medscape.com)
- Gram-positive organisms have a higher content of peptidoglycan in their cell wall than gram-negative organisms. (medscape.com)
- In contrast, in gram-positive organisms, because of the higher content of peptidoglycan in the cell wall, crystal violet is trapped inside the cell. (medscape.com)
- Gram-negative organisms take the counterstain and stain pink/red. (medscape.com)
- Gram-variable organisms include Actinomyces species. (medscape.com)
- Colony characteristics and Grams technique were used to differentiate the organisms. (bvsalud.org)
Aureus5
- Les cocci à Gram positif, y compris les staphylocoques à coagulase négative, Staphylo- coccus aureus , Streptococcus pneumoniae et autres cocci à Gram positif représentaient 42,3 % des isolats. (who.int)
- Limited activity against gram-positive cocci, particularly methicillin susceptible S. aureus, might occur. (whocc.no)
- 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)
- S. lugdunensis , a coagulase-negative species, can cause invasive disease with virulence similar to that of S. aureus . (merckmanuals.com)
- In 2014, 1,500 doses of daptomycin were dispensed coccus and for the treatment of S. aureus bacteremia at the National Institute of Orthopedic Surgery (INTO) due to infectious endocarditis (Sakoulas, 2009). (bvsalud.org)
Streptococcus3
- Two unusual catalase-negative, Gram-stain-positive, Vagococcus -like isolates that were referred to the CDC Streptococcus Laboratory for identification are described. (microbiologyresearch.org)
- Now, a particular trait of Streptococcus species is that they are catalase negative, meaning they do not produce an enzyme called catalase. (osmosis.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)
Bacillus1
- The great majority belong to the colon bacillus group, and are negative to gram 's method of staining. (dictionary.com)
Pathogens2
- Among the Gram-negative cocci, two specific bacterial species stand out as important human pathogens. (livestrong.com)
- The antibiotic choice should focus on the most likely pathogens, ranging from anaerobic infections to community-acquired pathogens, to nosocomial or healthcare-associated pathogens, to resistant gram-positive pneumonias. (medscape.com)
Isolates1
- Gram positive cocci (GPC) were the predominant isolates with Coagulase positive (32.2%) and Coagulase-negative (28.7%) Staphylococci accounting for 60.9% of the total isolates. (biomedcentral.com)
Aerobic1
- Flowchart of Gram stain morphology that can be used to identify aerobic Gram-positive cocci. (cdc.gov)
Salmonella2
- Coagulase Negative, Coagulase Positive Staphylococci, Salmonella and Klebsiella were the aetiological agents of bloodstream infection among children at TTH. (biomedcentral.com)
- Gram-negative infections include salmonella , pneumonia , urinary tract infections , and gonorrhea . (medlineplus.gov)
Infections5
- Cephalosporins are beta-lactam antibiotics that are used to treat gram-positive and gram-negative bacterial infections. (starhealth.in)
- A Gram stain may also be used to diagnose fungal infections. (medlineplus.gov)
- Gram-positive bacterial infections. (bvsalud.org)
- Several years ago, daptomycin was marketed septic arthritis, and prosthetic joint infections) are as a promising bactericidal agent for many infectious produced mostly by Gram-positive agents, especially conditions, including those seen in orthopedic hospitals. (bvsalud.org)
- That year, the cost of this antibiotic amounted US antibiotic for Gram-positive bacterial infections, soft $162,312.0 a figure that represented 3.6% of the total tissue infections, endocarditis, and bacterial bacteremia pharmaceutical expenditure of the INTO. (bvsalud.org)
Streptococci2
Microbiology1
- The or- ferred to blood culture media and immedi- ganisms most commonly isolated from ately transported to the hospital's blood cultures are Gram-positive cocci in- microbiology laboratory. (who.int)
Antibiotic2
- Empiric antibiotic therapy of septic arthritis of native joints(SA) has been guided primarily by the findings of the Gram staining of synovial fluid. (medscape.com)
- [ 10 , 11 ] One can consider combining appropriate intravenous antibiotic therapy with conservative surgery and hyperbaric oxygen and negative-pressure wound therapy in an effort to preserve vital tissues and control the advancing infection. (medscape.com)
Stain results3
- General recommendations and empiric therapeutic regimens for necrotizing fasciitis are outlined below, including treatment based on Gram stain results and treatment for patients allergic to penicillin. (medscape.com)
- Gram stain results. (scientistcindy.com)
- Gram stain results may also show whether you have a fungal infection. (medlineplus.gov)
Staining5
- Staining of the CSF revealed gram-positive cocci in chains with a considerable number of polymorphonuclear cells on the microscopic examination. (cdc.gov)
- Recognition of the pneumococcus depends upon its morphology, the fact that it is gram -staining, and the presence of a capsule. (dictionary.com)
- All benign lesions showed positive immunoreaction, with the staining index varying from 6-9, except lactating adenoma. (ijpmonline.org)
- Among the IDC (NOS) lesions, six cases of grade III breast carcinoma exhibited a positive immunohistochemical reaction, the staining index of which varied from 2-6. (ijpmonline.org)
- A variation of Gram staining is called Atkin Gram stain, in which the primary stain is gentian violet and mordant is Atkin iodine. (medscape.com)
Species2
- Unlike most coagulase-negative staphylococcal species, S. lugdunensis often remains sensitive to penicillinase-resistant beta-lactam antibiotics (ie, methicillin-sensitive). (merckmanuals.com)
- Gram-negative cocci include Neisseria gonorrhoeae, Neisseria meningitides, and Moraxella species. (medscape.com)
Facultative anaerobic1
- Gemella morbillorum is a facultative anaerobic, catalase-negative and non-spore forming Gram-positive cocci. (upf.edu)
Positif2
- 166 bâtonnets à gram négatif et 74 cocci à gram positif prélevés sur des patients hospitalisés. (who.int)
- Ces résultats suggèrent que les cartes VITEK 2 inoculées à l'aide de liquides prélevés directement dans des flacons d'hémoculture positifs sont adaptées à une identification et à un test de sensibilité rapides des bacilles à gram négatif et des cocci à gram positif. (who.int)
Staphylococci1
Veillonella1
- Gram-negative cocci (mainly Veillonella spp. (wikipedia.org)
Christian Gram1
- It is named after Christian Gram, who first developed the technique to identify the organism responsible for pneumonia. (medscape.com)
Clostridium1
- 3. Gram-positive spore-forming (Clostridium spp. (wikipedia.org)
Peptidoglycan1
- If the organism culture is old, it may lose the peptidoglycan cell wall, causing a gram-positive organism to appear as gram-negative or gram-variable. (medscape.com)
Bacteremia1
- When the Gram stain is negative and there are no crystals apparent, it may be reasonable to withhold antibiotics and treat for a crystalline arthritis, unless there is a significant potential source of bacteremia such as a urinary tract infection or the patient exhibits significant systemic deterioration. (medscape.com)
Drainage1
- Despite drainage incisions and negative pressure wound therapy (NPWT), the evolution of the fasciitis was difficult, due to bronchopleurocutaneous fistula. (spandidos-publications.com)
Pathogenic1
- From the patients' ascitic fluids, 334 pathogenic strains, including 178 Gram-negative bacterial strains, 138 Gram-positive bacterial strains and 18 other microbial strains were isolated. (biomedcentral.com)