Pseudomonas mendocina, an environmental bacterium isolated from a patient with human infective endocarditis

Aragone, María Rosario; Maurizi, D M; Clara, Liliana; Estrada, J L Navarro; Ascione, Amanda

doi:10.1128/jcm.30.6.1583-1584.1992

Cited by 42 publications

(35 citation statements)

References 3 publications

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“…Among species belonging to the Pseudomonas oleovorans group, two species, Pseudomonas oleovorans subsp. oleovorans [6] and Pseudomonas mendocina [7], were reported to be isolated from patients, whereas other species in this group were not to best of our knowledge.…”

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confidence: 61%

Pseudomonas yangonensis sp. nov., isolated from wound samples of patients in a hospital in Myanmar

Tohya

Watanabe

Teramoto³

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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Strains of a Gram-negative, aerobic, rod-shaped, non-spore-forming bacterium, designated MY50T, MY63 and MY101, were isolated from wound samples of three hospitalized patients in Yangon, Myanmar. Strains MY50T, MY63 and MY101 grew at temperatures of 4–44 °C, in media containing 1.0–7.0 % (w/v) NaCl and at pH 6.0–9.5. Phylogenetic analysis based on 16S rRNA gene and whole genome sequences showed that these strains belonged to the genus Pseudomonas and were part of the Pseudomonas oleovorans group and located close to Pseudomonas guguanensis and Pseudomonas mendocina . Whole-genome comparisons, using average nucleotide identity and digital DNA–DNA hybridization analyses, confirmed that strains MY50T, MY63 and MY101 were the same strain and they were a distinct species in the P. oleovorans group. Results of phenotypic characterization tests demonstrated that utilization of p-hydroxy-phenylacetic acid, glycerol, l-pyroglutamic acid and quinic acid could distinguish these strains from other species of the P. oleovorans group. These genetic and phenotypic characteristics suggest that they should be classified as representing a novel species, under the proposed name Pseudomonas yangonensis sp. nov. The type strain is MY50T (=LMG 31602T,=JCM 33396T), with a DNA G+C content of 62.82 mol%.

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mentioning

confidence: 61%

Pseudomonas yangonensis sp. nov., isolated from wound samples of patients in a hospital in Myanmar

Tohya

Watanabe

Teramoto³

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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“…With respect to pyrimidine starvation studies, the carbon source glucose appeared to lessen regulation at the level of enzyme synthesis compared to what has been observed when succinate served as the carbon source. The regulation of the pyrimidine biosynthetic pathway by carbon source in P. mendocina appeared to differ from how carbon source influenced the control of pyrimidine biosynthesis in the closely-related species Pseudomonas stutzeri.Since clinical isolates of the two species classified within the Pseudomonas stutzeri DNA homology group have been found to be of medical importance (POTVLIEGE et al 1987, ARAGONE et al 1992, it would seem to be important to study the regulation of nucleic acid metabolism in the P. stutzeri DNA homology group member Pseudomonas mendocina (DE VOS and DE LEY 1983). More specifically, it was of interest to determine how carbon source affects the regulation of pyrimidine biosynthesis in P. mendocina.…”

mentioning

confidence: 99%

“…Since clinical isolates of the two species classified within the Pseudomonas stutzeri DNA homology group have been found to be of medical importance (POTVLIEGE et al 1987, ARAGONE et al 1992, it would seem to be important to study the regulation of nucleic acid metabolism in the P. stutzeri DNA homology group member Pseudomonas mendocina (DE VOS and DE LEY 1983). More specifically, it was of interest to determine how carbon source affects the regulation of pyrimidine biosynthesis in P. mendocina.…”

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confidence: 99%

Influence of carbon source on pyrimidine synthesis in Pseudomonas mendocina

Santiago

West

2003

J. Basic Microbiol.

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The effect of carbon source on the regulation of the de novo pyrimidine biosynthetic enzymes in the bacterium Pseudomonas mendocina was studied. When glucose was the carbon source, orotic acid supplementation of P. mendocina cells produced the greatest depression of aspartate transcarbamoylase, dihydroorotate dehydrogenase and orotate phosphoribosyltransferase activities while P. mendocina cells grown in the presence of uracil caused the maximal decrease in dihydroorotase and OMP decarboxylase activities. After the pyrimidine starvation of an orotate phosphoribosyltransferase mutant strain of P. mendocina grown on glucose, the pyrimidine biosynthetic pathway enzyme activities were generally diminished. With respect to pyrimidine starvation studies, the carbon source glucose appeared to lessen regulation at the level of enzyme synthesis compared to what has been observed when succinate served as the carbon source. The regulation of the pyrimidine biosynthetic pathway by carbon source in P. mendocina appeared to differ from how carbon source influenced the control of pyrimidine biosynthesis in the closely-related species Pseudomonas stutzeri.

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“…Ps. mendocina infection has rarely reported in the literature [23–27]. Of the cases found in a literature review, three had infective endocarditis, one had spondylodiscitis and one had bacteremia.…”

Section: Discussionmentioning

confidence: 99%

The clinical characteristics of adult bacterial meningitis caused by non‐Pseudomonas(Ps.)aeruginosa Pseudomonasspecies: A clinical comparison withPs. aeruginosameningitis

Huang

Lien

Tsai

et al. 2017

The Kaohsiung J of Med Scie

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Adult bacterial meningitis (ABM) caused by non-Pseudomonas (Ps.) aeruginosa Pseudomonas (NPAP) species infection has rarely been reported. The clinical characteristics of 52 cases of Pseudomonas ABM (11 NPAP- and 41 Ps. aeruginosa-related meningitis) collected during a 30-year study period (1986-2015) were included. Eleven cases of NPAP ABM were identified in the literature, and their clinical data were also collected. Therefore, a total of 22 NPAP ABM cases were enrolled. The clinical characteristics of the NPAP ABM and Ps. aeruginosa ABM groups were compared. Of the implicated NPAP strains, Ps. putida and Ps. stutzeri were the most common (7 cases each), followed by Ps. mendocina in 4, Ps. fluorescens in 1, Ps. fulva in 1, Ps. alcaligenes in 1, and Ps. mosselii in 1. Of the 22 cases, 50% (11/22) had an underlying postneurosurgical state. Fever (77.3%, 17/22) and altered consciousness (45.5%, 10/22) were the most common clinical presentations. Antibiotic non-susceptibility was found in 3 strains of Ps. putida and 1 Ps. mosselii strain. Compared to the patients with Ps. aeruginosa ABM, those with NPAP ABM had a higher incidence of spontaneous infections and a better survival rate. In conclusion, although Ps. putida, Ps. stutzeri and Ps. mendocina were the major implicated strains of NPAP ABM, the clinical characteristics of this specific group of ABM demonstrated marked heterogeneity. Even though the cases with NPAP ABM had better therapeutic results than those with Ps. aeruginosa ABM, further large-scale studies are needed to better delineate this specific group of ABM.

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Pseudomonas mendocina, an environmental bacterium isolated from a patient with human infective endocarditis

Abstract: Pseudomonas mendocina has been isolated from soil and water samples. Although it has been recovered from some human clinical samples, its pathogenic role has not yet been documented. We report the first known case of endocarditis in humans due to P. mendocina.

Cited by 42 publications

References 3 publications

Pseudomonas yangonensis sp. nov., isolated from wound samples of patients in a hospital in Myanmar

Pseudomonas yangonensis sp. nov., isolated from wound samples of patients in a hospital in Myanmar

Influence of carbon source on pyrimidine synthesis in Pseudomonas mendocina

The clinical characteristics of adult bacterial meningitis caused by non‐Pseudomonas(Ps.)aeruginosa Pseudomonasspecies: A clinical comparison withPs. aeruginosameningitis

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