The isolation of streptococci from human faeces

Unsworth, P F

doi:10.1017/s0022172400027169

Cited by 23 publications

(9 citation statements)

References 24 publications

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“…Cultures of the oral cavity (50), throat (8,47), feces (71,75), and vagina (80) have all yielded "S. milleri" strains. Poole and Wilson (62) noted that a majority of isolates from teeth were hemolytic, but fecal and vaginal strains tended to be nonhemolytic.…”

Section: Clinical Significance Of "S Milleri"mentioning

confidence: 99%

Streptococcus anginosus ("Streptococcus milleri"): the unrecognized pathogen

1988

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"Streptococcus milleri" is an unofficial name that has been applied to a group of streptococci which, although basically similar, show various hemolytic, serological, and physiological characteristics. The species name Streptococcus anginosus has recently been recognized as the approved name for these organisms. Streptococci known as "S. milleri" have been implicated as etiologic agents in a variety of serious purulent infections, but because of their heterogeneous characteristics, these organisms may be unrecognized or misidentified by clinical laboratorians. This review describes the bacteriological aspects of organisms known as "S. milleri," their clinical significance, and the problems encountered with their identification in the clinical laboratory.

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Section: Clinical Significance Of "S Milleri"mentioning

confidence: 99%

Streptococcus anginosus ("Streptococcus milleri"): the unrecognized pathogen

1988

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“…It was once classified as streptococcus and was transferred to the genus Lactococcus in 1985 1. It is a recognised commensal organism of mucocutaneous surfaces of cattle, and is occasionally isolated from human mucocutaneous surface 2. This organism is used as an additive in the process of making dairy products.…”

Section: Introductionmentioning

confidence: 99%

Lactococcus lactis cremorisinfection: not rare anymore?

2013

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SUMMARYA middle-aged female patient with diabetes was admitted with a right neck abscess. Ultrasound scan revealed a necrotic abscess suspicious of malignancy and biopsy showed evidence of chronic inflammation. In order to isolate the primary source of malignancy, we performed MRI and positron emission tomography scans but neither had conclusive results. Subsequently, we performed an incision and drainage of the mass in order to alleviate pressure symptoms. The ensuing histological examination revealed that the mass was caused by Lactococcus lactis cremoris. As such, the patient was treated with antibiotics and made a complete recovery. This report reinforces the scarce existing evidence that L lactis cremoris is a potential pathogen in adults. The case shows that atypical organisms should always be considered in the working diagnosis of an atypical neck abscess especially due to the rise in popularity of organic farming. BACKGROUND

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“…This microorganism is employed as a vector for vaccine delivery systems [6,7]. It may be a part of the normal flora because it is occasionally isolated from human mucocutaneous surfaces such as intestine [8,9]. There are five species in the genus Lactococcus; L. lactis, L. garvieae, L. piscium, L. plantarum, and L. raffinolactis L. lactis has two subspecies, namely L. lactis spp cremoris and L. lactis spp.…”

Section: Resultsmentioning

confidence: 99%

Lactococcus lactis spp lactis infection in infants with chronic diarrhea: two cases report and literature review in children

Karaaslan

Soysal

Kadayıfçı

et al. 2016

J Infect Dev Ctries

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Lactococcus lactis is a gram-positive, facultative anaerobic coccus that is occasionally isolated from human mucocutaneous surfaces such as the intestines. It is used in the dairy industry for milk acidification and is mostly nonpathogenic in immunocompetent humans, however a number of cases of infection with L. lactis have been reported in recent years. In this article, we describe two cases of infection due to L. lactis in patients with chronic diarrhea. The first case is a five-month-old boy who was operated on for volvulus on his first day of life and had ileostomy with subsequent diagnosis of chronic diarrhea and bacteremia due to L. Lactis. The second case is a six-month-old girl with the diagnosis of chronic diarrhea that developed after a catheter-related bloodstream infection. Both of the infections due to L. Lactis spp lactis were successfully treated with intravenous vancomycin therapy. Although Lactococcus species is mostly known as nonpathogenic, it should be kept in mind as a potential pathogen, especially in patients with gastrointestinal disorders.

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The isolation of streptococci from human faeces

Cited by 23 publications

References 24 publications

Streptococcus anginosus ("Streptococcus milleri"): the unrecognized pathogen

Streptococcus anginosus ("Streptococcus milleri"): the unrecognized pathogen

Lactococcus lactis cremorisinfection: not rare anymore?

Lactococcus lactis spp lactis infection in infants with chronic diarrhea: two cases report and literature review in children

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