Anaerobic gram negative rods. Medical search. Frequent questions

A large group of facultatively anaerobic, rod-shaped bacteria that show up as pink (negative) when treated by the gram-staining method. (wakehealth.edu)
The Aeromonadaceae are Gram-negative bacteria. (wikipedia.org)
Colistin is an antibiotic that works best against Gram-negative bacteria. (ipl.org)
A genus of gram-negative, rod-shaped bacteria able to anaerobically oxidize and degrade toluene. (harvard.edu)
Anaerobic bacteria outnumber aerobes 2-3:1. (medscape.com)
These bacteria were often absent from gram stain smears of patients with other bacterial morphotypes. (cdc.gov)
It is an important human pathogen in various anaerobic infections, often mixed with other aerobic and anaerobic bacteria. (globalrph.com)
A genus of gram-negative bacteria existing symbiotically with nematodes of the family Heterorhabditidae (see RHABDITOIDEA). (umassmed.edu)
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs singly, in pairs, or in short chains. (nih.gov)
Most bacteria can be generally characterized as coccus (i. e. , spherical), bacillus (i. e. , rod-shaped), spirillum (i. e. , helical) and vibrio (i. e. , curvy rod-shaped). (nmmra.org)
The bacterial cell wall is critical to the survival of bacteria, and its arrangement helps to differentiate bacteria into either Gram-positive or Gram-negative groupings, depending on the reaction of the cells to the Gram stain. (nmmra.org)
Gram-positive bacteria (which stain purple) have a very thick cell wall, while Gram-negative bacteria (which stain pink) have a thinner cell wall. (nmmra.org)
Columbia-CNA agar is a selective medium that contains two antibiotics which inhibit the growth of Gram-negative bacteria. (nmmra.org)
Therefore, only Gram-positive bacteria can grow on Columbia-CNA agar. (nmmra.org)
Milk agar selects for bacteria based on their ability to catalyze the hydrolysis of the milk protein, casein, into amino acids for use as an alternative carbon source in anaerobic conditions (biosci. (nmmra.org)
Under a very high magnification of 12000X, this colorized scanning electron micrograph (SEM) revealed the presence of a large grouping of Gram-negative Salmonella Typhimurium bacteria that had been isolated from a pure culture. (cdc.gov)
Proteus mirabilis is a Gram-negative bacillus which belongs to a family of bacteria called the Enterobacteriaceae. (osmosis.org)
Instead, like any other Gram-negative bacteria, it stains pink with safranin dye. (osmosis.org)
This is evident by the fact that the anaerobic bacteria percentage in the control sample is 57% and 15% in the test sample after 13 wk, whereas the aerobic/facultative bacteria percentage is 43% in the control sample and 85% in the test sample after 13 wk. (wjgnet.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)
Based on Gram's Method of staining (Box 1), bacteria are further classified as gram-positive or gram-negative. (dentalcare.com)
Gram-positive bacteria possess a thick peptidoglycan cell wall interspersed with lipoteichoic acid underlain by the cytoplasmic membrane (Figure 1). (dentalcare.com)
8 Gram-negative bacteria have an outer membrane with lipopolysaccharides and a lipoprotein layer underlain by a thin peptidoglycan layer and the cytoplasmic membrane (Figure 2). (dentalcare.com)
Gram-positive Bacteria. (dentalcare.com)
7 Gram-positive bacteria retain their crystal violet-iodine complexes and appear deep purple (Figure 4). (dentalcare.com)
Yersinia pestis is a rod shaped gram-negative bacteria that can also have a spherical shape. (kenyon.edu)
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)
As for all anaerobic bacteria, diagnosis of Prevotella spp. (unboundmedicine.com)
Enterobacteriaceae is a family of Gram-negative rod-shaped (bacilli) bacteria in the order Enterobacterales of the class Gammaproteobacteria in the phylum Pseudomonadota. (microbenotes.com)
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs in fish and other aquatic animals and in a variety of mammals, including man. (reference.md)
A genus of anaerobic, gram-negative bacteria in the family Fusobacteriaceae. (wakehealth.edu)
A genus of gram-negative, anaerobic, nonsporeforming bacteria in the family Desulfuromonadaceae. (uams.edu)
Enterobacteriaceae Enterobacteriaceae A family of gram-negative, facultatively anaerobic, rod-shaped bacteria that do not form endospores. (lecturio.com)
These include spirochetes fusiform bacteria, as well as motile and curved rods 30 . (bvsalud.org)

Gram-Negative Facultatively Anaerobic Rods" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (wakehealth.edu)
This graph shows the total number of publications written about "Gram-Negative Facultatively Anaerobic Rods" by people in this website by year, and whether "Gram-Negative Facultatively Anaerobic Rods" was a major or minor topic of these publications. (wakehealth.edu)
Below are the most recent publications written about "Gram-Negative Facultatively Anaerobic Rods" by people in Profiles. (wakehealth.edu)

The dominant isolates are strictly anaerobic gram-negative rods and gram-positive cocci, in addition to facultative and microaerophilic streptococci. (medscape.com)
[ 3 ] In general, strictly anaerobic gram-negative rods are more pathogenic than facultative or strictly anaerobic gram-positive cocci. (medscape.com)
2-8 However, endogenous microorganisms, including gram positive and negative anaerobic organisms and aerobic/facultative gram positive and negative rods and cocci, found at high levels in women with bacterial vaginosis, also have been implicated in the pathogenesis of PID. (cdc.gov)
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)
Morphologically, they are characterized as cocci or bacilli (rods). (dentalcare.com)
Ultimately, facultative and anaerobic gram-positive and gram-negative cocci and bacilli predominate in all types of odontogenic infections (Table 1). (dentalcare.com)
Gram positive cocci, found on skin and in nares. (focus-lab.com)
Gram-negative rods and 74 Gram-positive cocci from inpatients. (who.int)
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)
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)

The species are facultative anaerobic organisms. (wikipedia.org)
These organisms were usually filamentous, gram positive rods of varying length that often form chains, but occasionally, they stained gram negative. (cdc.gov)
Gram-negative Organisms. (dentalcare.com)
Mixed Gram-positive and Gram-negative Organisms. (dentalcare.com)
Outcomes included prevalence and types of organisms, polymicrobial infection, mixed aerobic-anaerobic infection, effect of age, and culture utility. (bvsalud.org)
Polymicrobial infection (P = 0.08) and anaerobic organisms (P = 0.58) did not differ by age (range, 0.1-16.8 years). (bvsalud.org)
Its organisms occur most frequently as coccobacillus or rod-shaped and are gram-negative, nonmotile, facultative anaerobes. (musc.edu)
Primary inhalation pneumonia develops when these organisms bypass normal respiratory defense mechanisms or when the patient inhales aerobic gram-negative organisms that colonize the upper respiratory tract or respiratory support equipment. (medscape.com)

normal human oral and vaginal flora and are the predominant anaerobic, Gram-negative bacilli recovered from anaerobic infections of the respiratory tract (include aspiration pneumonia, lung abscesses, and chronic otitis media and sinusitis). (globalrph.com)
is a gram-negative bacillus Bacillus Bacillus are aerobic, spore-forming, gram-positive bacilli. (lecturio.com)
Gram negative coccobacilli or bacilli, evenly colored with rounded ends, which often occur in pairs or short chains. (microbe-canvas.com)
The stomach appears to be an important reservoir of gram-negative bacilli that can ascend and colonize the respiratory tract. (medscape.com)
Because aerobic gram-negative bacilli (eg, Pseudomonas aeruginosa) are the major pathogens associated with HAP, the pathophysiology of nosocomial pneumonia relates to the destructive effect on lung tissue. (medscape.com)
[ 9 ] Alternatively, other non-necrotizing gram-negative bacilli (eg, Serratia marcescens) may be responsible for nosocomial pneumonia. (medscape.com)

Unlike Columbia-CNA agar, Eosin Methylene Blue (EMB) agar is a selective medium used to isolate and identify Gram-negative bacillus. (nmmra.org)
Escherichia (E-Coli) Escherichia coli, (E. coli) 0157 is a gram negative bacillus rod shaped bacterium it belongs to the Enterobacteriacea family. (bartleby.com)
And since it's a Gram-negative bacillus, it looks like a little pink rod under the microscope. (osmosis.org)

Two unusual catalase-negative, Gram-stain-positive, Vagococcus -like isolates that were referred to the CDC Streptococcus Laboratory for identification are described. (microbiologyresearch.org)
The isolate was a Gram-positive, rod-shaped, non-motile, catalase-negative and facultatively anaerobic lactic acid bacterium. (pacb.com)
Cells were Gram-positive, strictly anaerobic, catalase-negative, non-spore-forming, non-motile rods that occurred in chains. (elsevierpure.com)

Phenotypic and phylogenetic studies were performed on three isolates of an unknown Gram-negative, facultatively anaerobic, non-motile, yellow-pigmented, rod-shaped organism isolated from raw sewage. (microbiologyresearch.org)
To identify the gram-negative rods grown from blood cultures and a right-knee fluid aspirate from an 80-year-old caucasian man who had undergone a total right knee arthroplastic procedure 6 years ago, and to assess the genetic similarity between the 2 isolates. (medscape.com)

These may appear as small, gram variable pleomorphic coccobacilli. (cdc.gov)
The cells were Gram-negative, pleomorphic rods of about 2.0 µm in length and 0.5 µm in width. (darkenergybiosphere.org)
Pasteurella multocida (P. multocida) is a facultative anaerobic, gram-negative, small, pleomorphic, nonflagellated coccobacillus with bipolar staining that belongs to the Pasteurellaceae family. (medscape.com)

I en undersøkelse fra 2004 ble det påvist at opptil 42 % av Prevotella- species (n=303) utviklet resistens overfor amoksicillin (11). (tannlegetidende.no)

It is also effective against aerobic and anaerobic streptococci (except enterococci). (medscape.com)
It's also facultative anaerobic which means it can survive in both aerobic and anaerobic environments, non-lactose fermenter, oxidase negative which means it doesn't produce this enzyme, and urease positive which means it can produce an enzyme called urease. (osmosis.org)

may appear as slender rods or coccobacilli. (unboundmedicine.com)

The lesion is associated with the presence of subgingival plaque, which contains a wide variety of Gram-negative anaerobic microorganisms. (bvsalud.org)

strain PV-1 is a piezophilic, thermophilic, anaerobic, chemolithoautotrophic bacterium isolated from a deep-sea hydrothermal vent on the East Pacific Rise. (rutgers.edu)
Varunaivibrio sulfuroxidans is a mesophilic, facultative anaerobic, facultative chemolithoautotrophic bacterium isolated from a sulfidic shallow-water marine gas vent located at Tor Caldara, in the Tyrrhenian Sea, Italy. (rutgers.edu)
Sulfurovum riftiae is a mesophilic, anaerobic chemosynthetic bacterium isolated from the tube of the vent polychaete, Riftia pachyptila on the East Pacific Rise. (rutgers.edu)
Cetia pacifica is a thermophilic, anaerobic chemosynthetic bacterium isolated from an active deep-sea hydrothermal vent on the East Pacific Rise. (rutgers.edu)
Phorcysia thermohydrogeniphila is a hyperthermophilic, anaerobic chemolithotrophic bacterium isolated from a tube of an Alvinella pompejana tubeworm collected at the East Pacific Rise at 13N. (rutgers.edu)

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)

Occasionally, they may stain gram positive. (cdc.gov)

A family of gram-negative, asporogenous rods or ovoid cells, aerobic or facultative anaerobic chemoorganotrophs. (nih.gov)

Hazelton BJ, Thomas LC, Unver T, Iredell JR. Rapid identification of Gram-positive pathogens and their resistance genes from positive blood culture broth using a multiplex tandem RT-PCR assay. (medscape.com)
Aerobic gram-negative pathogens may be divided into 2 categories. (medscape.com)

A novel mesophilic, anaerobic, mixotrophic bacterium, with designated strains EPR-M T and HR-1, was isolated from a semi-extinct hydrothermal vent at the East Pacific Rise and from an Fe-mat at Lō'ihi Seamount, respectively. (darkenergybiosphere.org)

Rates of polymicrobial and anaerobic infection were similar across ages. (bvsalud.org)

Other distinguishing bacterial characteristics include hemolysis patterns (i. e. , ability to break down red blood cells) and ability to ferment lactose (i. e. , the ability to use lactose as an alternative source of energy under anaerobic conditions). (nmmra.org)

The cells are rod-shaped. (wikipedia.org)
After the slide was gram stained the slide was scanned under a microscope using low power objective to locate clusters of epithelial cells. (cdc.gov)
Cells were Gram-negative curved rods, and grew optimally at 60ºC and 20MPa. (rutgers.edu)
Cells were Gram-negative curved rods, and grew optimally at 30ºC, 1.5% NaCl, and pH 6.0 - 7.0. (rutgers.edu)
Cells were Gram-negative, and grew optimally at 35ºC, 3% NaCl, and pH 6.0. (rutgers.edu)
The cells are Gram-staining-negative rods growing at 35ºC with 3% NaCl, pH 5.5, under chemolithoautotrophic conditions with thisulfate and CO 2 as the energy and carbon sources, respectively. (rutgers.edu)
The cells were Gram-negative rods that showed optimal growth at 35ºC, 2.5% NaCl, and pH 7.5. (rutgers.edu)
The cells were Gram-negative rods, and exhibited optimal growth at 75ºC, 3% NaCl, and pH 6.0, under chemolithoautotrophic conditions. (rutgers.edu)

The oil immersion lens (x1000) was switched and between 10 and 20 representative fields was examined to observe cell morphology and gram reaction. (cdc.gov)

Negative growth does not rule out infection. (medscape.com)

Escherichia coli Escherichia coli The gram-negative bacterium Escherichia coli is a key component of the human gut microbiota. (lecturio.com)
Under an extremely high magnification of 44, 818X, twice that of PHIL 10574 and 10575, this scanning electron microscopic (SEM) image revealed some of the morphologic details displayed by a single Gram-negative, rod-shaped, Escherichia coli bacterium. (lecturio.com)

anaerobic gram negative rod, named for its black colonies, and black pigment. (globalrph.com)

Gram negative facultative anaerobic rods found in fecal contamination. (focus-lab.com)

Blood cultures grew anaerobic ( 4 ). (cdc.gov)

After 24 hours, this inoculated XLD agar culture plate cultivated colonial growth of Gram-negative, rod-shaped and facultatively anaerobic Salmonella sp. (cdc.gov)

Gram negative aerobic rods common in water and soil. (focus-lab.com)

Anatomy12

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