Gram-Positive Rods: Causes & Reasons

Possible Causes for Gram-Positive Rods

Lactobacillus (L) [lak′tōbəsil′əs] Etymology: L, lac + bacillum, small rod any one of a group of nonpathogenic gram-positive rod-shaped bacteria that produce lactic acid from [medical-dictionary.thefreedictionary.com]

Initial sputum culture from admission demonstrated Candida species and many Gram-positive rods resembling Lactobacilli. [hindawi.com]

Lactobacillus bacteria are Gram positive and rod shaped. See gram stain. [beerandbrewing.com]

Erysipeloid

Erysipeloid is a zoonotic infection caused by the gram-positive rod Erysipelothrix rhusiopathiae. [jamanetwork.com]

Visualization of thin, gram-positive rods is considered diagnostic, but gram stains and other cultivation methods frequently yield negative results. [symptoma.com]

[…] nonmotile, gram-positive bacteria that forms long-branching filaments with characteristic hyaline granules Bacteria are present on dead animal skin, more frequently swine [pathologyoutlines.com]

Listerial Meningitis

Gram positive rod Beta hemolytic Catalase positive Motile at 25 degree centigrade (tumbling motility/umbrella motility) Non-spore forming rod Susceptible hosts Newborns Elderly [meddean.luc.edu]

An early presumptive diagnosis of Listeria infection may be possible with close attention to preliminary reports of Gram-positive rods. [neoreviews.aappublications.org]

Gram stain showed pleomorphic short gram positive rods and coccobacilli, which exhibited a characteristic tumbling motility in hanging drop preparation. [ijmm.org]

Pulmonary Nocardiosis

Gram-stained smears of sputum and pus from the abscess showing branched gram-positive rods led to a diagnosis of pulmonary nocardiosis with dissemination to the lungs and [ncbi.nlm.nih.gov]

Gram staining was performed in 29 patients, and a characteristic Gram-positive rod was detected in 28 patients (96.6%). [ncbi.nlm.nih.gov]

Microbiological identification In the bacteriological investigation, when a Gram-positive rod was suspected as Nocardia on Gram staining, Kinyoun's stain was additionally [ncbi.nlm.nih.gov]

Nocardiosis

branched, beaded, Gram positive rods (9)(10). [austincc.edu]

Nocardia is a Gram-positive rod; however, the appearances on Gram staining can be misleading. [patient.info]

Ribosomal DNA sequencing for identification of aerobic gram-positive rods in the clinical laboratory (an 18-month evaluation). J Clin Microbiol 41, 4134 –4140. [jmm.microbiologyresearch.org]

Pulmonary Anthrax

[…] unexplained febrile illness or febrile death. rapid onset of severe sepsis not due to a predisposing illness, or respiratory failure with a widened mediastinum. severe sepsis with Gram-positive [gpnotebook.co.uk]

Pulmonary anthrax is a lower respiratory infection by the bacteria Bacillus anthracis (gram positive rods). [stepwards.com]

rods or Bacillus species identified in the blood or cerebrospinal fluid and assessed not to be a contaminant. [gpnotebook.co.uk]

Anthrax

Bacillus anthracis, the causal agent in anthrax, is a Gram-positive rod. Humans can acquire anthrax by industrial exposure to infected animals or animal products. [ncbi.nlm.nih.gov]

Anthrax is a serious infectious disease caused by gram-positive, rod-shaped bacteria known as Bacillus anthracis. [cdc.gov]

Cytolytic Vaginosis

Definition / general Presence of gram positive rods (lactobacilli) with cytolysis of intermediate cells Terminology Also known as bacillus vaginalis, bacillus Doderlein Epidemiology [pathologyoutlines.com]

[…] is called as cytolytic vaginosis.[3] LACTOBACILLI IN THE VAGINA Doderlein, first described the normal vaginal flora as, consisting of predominantly of the acid producing gram-positive [ncbi.nlm.nih.gov]

[…] cells; and therefore, it is called as cytolytic vaginosis. [3] Doderlein, first described the normal vaginal flora as, consisting of predominantly of the acid producing gram-positive [ijstd.org]

Abdominal Actinomycosis

The differential included nocardiosis which is also identified as beading gram positive rods on gram stain. [shmabstracts.com]

The sample revealed abundant neutrophils and gram positive rods. Cytology was negative for malignancy and cultures eventually grew actinomyces. [hindawi.com]

TAXONOMY OF THE ANAEROBIC ACTINOMYCTES• Anaerobic non - sporulating gram- positive rods consist of two groups based on guanosine (G) plus cytosine (C) DNA content: Low mole [slideshare.net]

Listeriosis

[…] lis·te·ria | \ li-ˈstir-ē-ə \ : any of a genus ( Listeria ) of small, gram-positive, rod-shaped bacteria that do not form spores and have a tendency to grow in chains and [merriam-webster.com]

Structure and Classification Erysipelothrix rhusiopathiae is a slender, Gram-positive rod similar to L monocytogenes. [ncbi.nlm.nih.gov]

L monocytogenes is a facultative anaerobe Gram-positive rod. More than likely, gravidas presenting with the flu-like symptoms noted above indeed have a viral syndrome. [clinicaladvisor.com]

Diphtheritic Neuropathy

Answers Teaching Points Click Your Answer Below Corynebacterium diphtheriae, a gram-positive rod is the causative organism Transmission is only by droplet Neurological and [knowledge.statpearls.com]

Corynebacterium Diphtheriae

Cultures were taken from the pharynx and the bacteria were found to be Gram-positive rods with metachromatic granules (Figure C). [step1.medbullets.com]

Blood cultures were positive for a pleomorphic Gram-positive rod. Initial phenotypic testing could only support the identification of a Corynebacterium species. [ncbi.nlm.nih.gov]

Conversely, DNase test results were negative in 93.9% of the 564 nondiphtherial Gram-positive rod clinical strains. [ncbi.nlm.nih.gov]

Neurologic Manifestation of Whipple Disease

positive rod shaped bacillus which is not acid fast. [jnnp.bmj.com]

[…] accompanied by disappearance of bacilli: recurrence of disease is accompanied by re-emergence of bacteria. 8 9 The morphology of the organism has been described. 10 It is a weakly gram [jnnp.bmj.com]

Cutaneous Diphtheria

Corynebacterium diphtheriae is a Gram-positive, aerobic, non-motile, rod-shaped bacterium. The bacterium is classified as gravis, mitis or intermedius. [patient.info]

Whipple Disease

Etiology: Whipple’s disease is caused by infection with the gram-positive actinomycete Trophermyma whippelii. [rheumaknowledgy.com]

Intestinal or lymph node biopsy specimens may disclose periodic acid–Schiff staining deposits in macrophages, and electron microscopy may show rod-shaped bacilli. [rheumaknowledgy.com]

Gram-Positive Septicemia

BLOOD CULTURE GROWING A GRAM-POSITIVE ROD Bibliography A report from the laboratory that a blood culture contains a gram-positive rod suggests that the organism is a diphtheroid [medtextfree.wordpress.com]

Abstract The genus Corynebacterium comprises aerobic, nonsporing, gram-positive rods. [annals.org]

Gram-positive rod). [members.tripod.com]

Gram Positive Bacterial Infection

Lactobacilli are Gram-positive, rod-shaped bacteria occurring as single cells or chains. [cliffsnotes.com]

[…] bacteria Disease due to Gram-positive coccus Disseminated legionella infection Erosive balanitis Finding of pleomorphic gram-positive rods - resembling actinomycetes Gardnerella [icd9data.com]

Gram positive Cocci Bacteria are classified based on their cell shape into bacilli (rod shaped) and cocci (sphere shaped).Typical Gram-positive cocci stains include ( pictures [diffen.com]

Food Poisoning due to Bacillus Cereus

BACILLUS cereus is an aerobic spore-forming, motile, gram-positive rod 1 that has been recognized as a cause of food-borne disease with increasing frequency in recent years [nejm.org]

Description Bacillus cereus is a Gram-positive, rod-shaped, facultative anaerobic bacterium that can produce toxins which cause food poisoning. [thermofisher.com]

[…] be a deadly pathogen—a fact that has been known but often overlooked. 1 Microbiology of Bacillus The genus Bacillus comprises many species, all of which are spore-forming gram-positive [upmc-cbn.org]

Anaerobic Streptococcus

Propionibacterium acnes (anaerobic gram positive rods) Bacillus species (anaerobic gram positive rods) While these are commonly contaminants, be careful to rule out true [errolozdalga.com]

Clostridium Gram-positive rods with no endospores example? Lactobacillus Gram-positive cocci example? Enterococcus Gram-negative rods with pointed ends example? [studystack.com]

Gram stain: Gram-positive Microscopic appearance: rods, often broader at one end ("club" shape), grouped together in a characteristic way ("V", "palisades", "Chinese letters [bacteriainphotos.com]

Erythrasma

Diagnosis Wood's Lamp: Fluoresces coral red Gram Stain : Gram Positive rod with long filaments VI. Differential Diagnosis VII. [fpnotebook.com]

PATHOGENS Corynebacterium minutissimum: an ordinary inhabitant of skin flora Considered aerobic or facultatively anaerobic; Gram-positive, rod-shaped bacteria [Fig 1] [hopkinsguides.com]

Managment Antibiotics Erythromycin 250 mg orally qid for 5 days Clarithromycin 1 gram orally for 1 dose Topical Antifungal agents with activity in Erythrasma Miconazole Clotrimazole [fpnotebook.com]

Streptobacillary Rat Bite Fever

In January 1926 a small but explosive outbreak of illness occurred in a restricted area of Haverhill, Mass. Several physicians called by patients in this epidemic were struck by its unusual features, especially the abruptness of the onset, the peculiar eruption and the marked involvement of the joints. On January 22[…] [doi.org]

Clostridium Perfringens Food Poisoning

C. perfringens is a gram-positive, rod-shaped, endospore-forming anaerobic bacterium that is tolerant of high and low temperatures. [quizover.com]

Gram positive -rod -anaerobic -sporeformer (present but difficult to demonstrate because only really form in intestines of humans) -intestinal tract of animals -soil, water [quizlet.com]

We added another resource that I hope will be useful: Clostridium Perfringes Bacteria is an anaerobic, Gram-positive, sporeforming rod (anaerobic means unable to grow in the [marlerblog.com]

Gas Gangrene

This organism is an aerotolerant Gram-positive rod that is often mistaken for other organisms, such as Lactobacillus or Bacillus species. [ncbi.nlm.nih.gov]

Laboratory tests Gram staining : large, gram-positive rods Blood cultures (although only 1% are positive) PCR or ELISA for detection of toxin in wound material (not widely [amboss.com]

Gram stain of wound drainage shows large, gram-positive, rod-shaped bacteria. Blood studies show leukocytosis and, later, hemolysis and profound anemia. [quizlet.com]

Placentitis

Numerous colonies of small, pleomorphic, Gram-positive, rod-shaped bacteria were observed within the fibrin lattice associated with placental lesions and within the fetal [works.bepress.com]

Intestinal Anthrax

She underwent an exploratory laparotomy with bowel resection, but the diagnosis was not made until her initial blood cultures yielded gram-positive rods that were identified [visualdx.com]

Etiology Anthrax is caused by Bacillus anthracis, a large, aerobic, Gram-positive rod. [vetmed.iastate.edu]

positive rods occurring in chains; non-motile; forms resistant spores SECTION II - HEALTH HAZARD PATHOGENICITY: Cutaneous anthrax - skin lesion becoming papular, then vesiculated [msdsonline.com]

Peptostreptococcus Infection

Organism: Large Gram Positive Rod Clinical Presentation: diarhea, low grade fever, abdominal cramping, lower abdomen is sensitive palpation, diarhea or illeus can be bloody [quizlet.com]

Clostridium difficile Gram-positive, nonspore-forming bacilli Anaerobic, Gram-positive, nonspore-forming rods comprise part of the gingival crevices microflora, gastrointestinal [anaerobicinfections.blogspot.com]

Microbiology Anaerobic Gram-positive Non-sporeforming Rods and Anaerobic Gram-positive Cocci The anaerobic Gram-positive cocci and anaerobic Gram-positive non-sporeforming [antimicrobe.org]

Acquired Nasolacrimal Duct Stenosis

One recent study showed that Gram-negative organisms in particular coagulase-negative Staphylococci, non-spore-forming anaerobes, Gram-positive rods and Pseudomonas aeruginosa [radiopaedia.org]

The most frequently isolated group was coagulase-negative staphylococci (27.8%), followed by nonspore-forming Gram-positive rods (anaerobe) (17.7%) and Pseudomonas aeruginosa [dovepress.com]

positive rods, Propionibacterium sp, and a few other anaerobic organisms (Table 2 ). [bjo.bmj.com]

Dental Abscess

Abstract A previously undescribed filamentous, beaded, Gram-positive, rod-shaped bacterium was isolated from pus of a human dental abscess. [ncbi.nlm.nih.gov]

[…] use of non-culture techniques has expanded our insight into the microbial diversity of the causative agents, identifying such organisms as Treponema species and anaerobic Gram-positive [ncbi.nlm.nih.gov]

The dominant isolates are strictly anaerobic gram-negative rods and gram-positive cocci, in addition to facultative and microaerophilic streptococci. [emedicine.medscape.com]

Actinomycosis

If present, the granules are crushed, Gram stained, and examined for Gram-positive rods or branching filaments. [ncbi.nlm.nih.gov]

Actinomyces can be easily gram stained. Their characteristic appearance as thin, filamentous gram-positive rods can be an excellent clue in the right clinical setting. [infectiousdiseaseadvisor.com]

TAXONOMY OF THE ANAEROBIC ACTINOMYCTES• Anaerobic non - sporulating gram- positive rods consist of two groups based on guanosine (G) plus cytosine (C) DNA content: Low mole [slideshare.net]

Anaerobic Bacterial Infection

Fusobacterium spp. are often pale gram-negative spindle-shaped rods having pointed ends. Clostridium spp. are large gram-positive rods that form spores. [surgeryencyclopedia.com]

Microbiology An aerobic Gram-positive Non-sporeforming Rods and Anaerobic Gram-positive Cocci The anaerobic Gram-positive cocci and anaerobic Gram-positive non-sporeforming [antimicrobe.org]

C. difficile, a spore-forming gram-positive rod, produces toxins that inflame the colon. Rarely, the toxins destroy the tissue of the inner lining of the colon. [emedexpert.com]