The Genera Empedobacter and Myroides

Hugo, Celia J.; Bruun, Brita; Jooste, Piet J.

doi:10.1007/0-387-30747-8_24

Cited by 19 publications

(27 citation statements)

References 42 publications

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“…However, F. odoratum was not included in the list of species of flavobacteria in Bergey's Manual of Systematic Bacteriology until 1984. In 1984, Holmes et al redefined the genus and limited it to pigmented, strictly aerobic, non-motile bacteria with a G+C content ranging from 30 to 42 mol% (Hugo et al, 2006). The organisms historically classified as part of the genus Flavobacterium, family Bacteriaceae, tribe Chromobacteriaceae included aerobic, yellow-pigmented, non-motile, non-fermenting, Gram-negative rods, which produce a characteristic fruity odour and appear as lightly yellow-pigmented because of the presence of flexirubin pigment (Bernardet et al, 1996).…”

Section: Discussionmentioning

confidence: 99%

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Septicaemia caused by Myroides spp.: a case report

et al. 2015

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Introduction: Myroides spp. are aerobic, yellow-pigmented, non-fermentative Gram-negative rods considered to be low-grade opportunistic pathogens. However, their intrinsic resistance to commonly used antibiotics necessitates prompt identification and evaluation. Case presentation: Here, we report a case of septicaemia caused by Myroides sp. A 36-year-old pregnant female was admitted to the intensive care unit at week 18 of gestation with a diagnosis of hydatidiform mole with acute renal failure and anaemia. Blood culture under aerobic conditions showed growth of round, smooth, convex, yellow-pigmented colonies on blood agar but which failed to grow on MacConkey agar, and the organism was identified as Myroides sp. Susceptibility testing showed that it was susceptible only to piperacillin+tazobactam and, following treatment, the patient recovered. Conclusion: Myroides spp. has, until now, been regarded as an opportunistic pathogen and a rare cause of serious disease in immunocompromised subjects. However, it may cause serious disease, even in immunocompetent hosts, and its intrinsic resistance warrants appropriate testing and timely intervention.

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Section: Discussionmentioning

confidence: 99%

“…In nosocomial transmission, the source of these infections is often unknown, although water in the hospital environment is frequently suspected of carrying the organisms (Hugo et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

Septicaemia caused by Myroides spp.: a case report

et al. 2015

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“…In nosocomial infections the source is mostly unknown, however water has been suspected to carry this organism (Hugo et al, 2006). Animal bites have also been implicated as one of the sources of infections (Maraki et al, 2012).…”

Section: Resultsmentioning

confidence: 99%

Myroides spp. Causing Urinary Tract Infection in an Immunocompromised Patient: A Case Report

Thass¹,

Kumar²,

Kaur³

2018

Int.J.Curr.Microbiol.App.Sci

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A 12 year old girl presented to the paediatric OPD with complains of generalised swelling and decreased urine output for the past ten days. The swelling started from the face followed by the abdomen and limbs. The patient also had cough, difficulty in breathing and episodes of vomiting for the past 2 days. The vomiting was non-bilious and nonprojectile. There was no history of fever, pain abdomen, loose stools, burning micturition or haematuria. There was no history of headache, or any evidence of focal neurological defect. On examination her blood pressure was found to be raised. Her cardiovascular and motor system functions were found to be within normal limits. On per abdomen examination, abdomen was found to be soft and distended, no organomegaly found and bowel sounds were normal. Her haemogram was within normal limits, ANA was negative. Chest Xray showed signs of pleural effusion and pleural fluid was negative for TB by Genexpert. Her C3 and C4 complement levels were within normal limits. On urine analysis showed protein to creatinine ratio of 2.57. Urine dipstick showed-albumin (3+) and sugar (nil). Serum protein was 3.5-4 g/dl (normal: 6-8.3 g/dl) and serum albumin 1.3-1.5 g/dl (3.5-5 g/dl). Her total blood cholesterol was 912 mg/dl (normal <200 mg/dl). The patient had hypoalbuminemia, hyper albuminuria, hyperlipidemia and generalised edema, thus a presumptive diagnosis of nephrotic syndrome was made.

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et al, 1979;Macfarlane et al, 1985;Ferrer et al, 1995;Hsueh et al, 1995;Green et al, 2001; Yagcı et al, 2000), recent studies have indicated that they are also common inhabitants of soil and water and behave as low-grade opportunistic pathogens (Hugo et al, 2006). A novel bacterial strain, designated MY15 T , was isolated from a saliva sample obtained from an asymptomatic student during a teaching experiment at Weifang Medical University, China.

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Myroides phaeus sp. nov., isolated from human saliva, and emended descriptions of the genus Myroides and the species Myroides profundi Zhang et al. 2009 and Myroides marinus Cho et al. 2011

Yan

Zhao

Zhang

2012

International Journal of Systematic and Evolutionary Microbiology

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et al., 1979;Macfarlane et al., 1985;Ferrer et al., 1995;Hsueh et al., 1995;Green et al., 2001; Yagcı et al., 2000), recent studies have indicated that they are also common inhabitants of soil and water and behave as low-grade opportunistic pathogens (Hugo et al., 2006). A novel bacterial strain, designated MY15 T , was isolated from a saliva sample obtained from an asymptomatic student during a teaching experiment at Weifang Medical University, China. A further attempt to isolate the bacterium from the same student a week later failed. The aim of the present study was to determine the exact taxonomic position of strain MY15T by using a polyphasic taxonomic approach.The saliva sample was diluted with sterile saline (0.9 % NaCl; w/v) and spread onto trypticase soy agar (TSA; Difco) plates that were incubated at 37 u C for 48 h. Strain MY15 T , which produced a yellow to brown diffusible pigment, was purified by streaking three times on TSA. Cultures were maintained on Luria-Bertani (LB) agar For 16S rRNA gene sequencing, cells grown in LB broth at 28 u C for 24 h were harvested by centrifugation. Extraction and purification of total genomic DNA from the cells and PCR amplification of the 16S rRNA gene were performed as described by Jin et al. (2010). The nearly complete 16S rRNA gene sequence (1356 nt) of strain MY15T was submitted to GenBank and EMBL to search for similar sequences using the BLAST algorithm. The identification of phylogenetic neighbours and the calculation of pairwise 16S rRNA gene sequence similarities were achieved using the EzTaxon server (http://www.eztaxon.org/; Chun et al., 2007). Multiple sequence alignment was performed by using CLUSTAL_X 1.8The GenBank/EMBL/DDBJ accession number for 16S rRNA gene sequence of Myroides phaeus sp. nov. MY15T is GU253339.A supplementary figure is available with the online version of this paper.

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The Genera Empedobacter and Myroides

Cited by 19 publications

References 42 publications

Septicaemia caused by Myroides spp.: a case report

Septicaemia caused by Myroides spp.: a case report

Myroides spp. Causing Urinary Tract Infection in an Immunocompromised Patient: A Case Report

Myroides phaeus sp. nov., isolated from human saliva, and emended descriptions of the genus Myroides and the species Myroides profundi Zhang et al. 2009 and Myroides marinus Cho et al. 2011

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