نتایج جستجو برای: rhodococcus

تعداد نتایج: 2558  

Journal: :Journal of bacteriology 2005
Raúl Miranda-Casoluengo Pamela S Duffy Enda P O'Connell Brian J Graham Michael W Mangan John F Prescott Wim G Meijer

Rhodococcus equi is a facultative intracellular pathogen which proliferates rapidly in both manure-enriched soil and alveolar macrophages. Although both environments are characterized by extremely low concentrations of free iron, very little is known regarding the strategies employed by R. equi to thrive under these conditions. This paper reports the characterization of an R. equi transposome m...

Journal: :Antimicrobial agents and chemotherapy 2000
T L Bowersock S A Salmon E S Portis J F Prescott D A Robison C W Ford J L Watts

Eperezolid and linezolid are representatives of a new class of orally active, synthetic antimicrobial agents. The in vitro activity values (MICs) of linezolid, eperezolid, and comparator antibiotics against 102 strains of Rhodococcus equi isolated from humans and animals were determined. Linezolid was more active than eperezolid against the strains tested; premafloxacin was the most active comp...

Journal: :Pathogens and disease 2014
Vartul Sangal Amanda L Jones Michael Goodfellow Iain C Sutcliffe Paul A Hoskisson

Rhodococcus equi ('Prescottella equi') is a pathogenic actinomycete primarily infecting horses but has emerged as an opportunistic human pathogen. We have sequenced the genome of the type strain of this species, R. equi strain C7(T) , and compared the genome with that of another foal isolate 103S and of a human isolate ATCC 33707. The R. equi strains are closely related to each other and yet di...

Journal: :Applied and environmental microbiology 2006
G Muscatello G A Anderson J R Gilkerson G F Browning

The ecology of virulent strains of Rhodococcus equi on horse farms is likely to influence the prevalence and severity of R. equi pneumonia in foals. This study examined the association between the ecology of virulent R. equi and the epidemiology of R. equi pneumonia by collecting air and soil samples over two breeding seasons (28 farm-year combinations) on Thoroughbred breeding farms with diffe...

2016
Alessandro Presentato Elena Piacenza Max Anikovskiy Martina Cappelletti Davide Zannoni Raymond J. Turner

BACKGROUND Tellurite (TeO32-) is recognized as a toxic oxyanion to living organisms. However, mainly anaerobic or facultative-anaerobic microorganisms are able to tolerate and convert TeO32- into the less toxic and available form of elemental Tellurium (Te0), producing Te-deposits or Te-nanostructures. The use of TeO32--reducing bacteria can lead to the decontamination of polluted environments ...

2014
Sandip Kumar Khurana

| Rhodococcus equi is a soil actinomycete responsible for severe respiratory disease in young foals leading to high mortality. The organism is also emerging as an important pathogen in immune-compromised humans. Intracellular localization of R. equi makes therapeutic management very difficult and prolonged lasting up to three months. Presently no suitable vaccine and effective serological test ...

Journal: :Infection and immunity 1993
S T Kanaly S A Hines G H Palmer

Pulmonary clearance of Rhodococcus equi requires functional T lymphocytes. In this study, CD8+ T-lymphocyte-deficient transgenic mice cleared virulent R. equi from the lungs while infection in CD4+ T-lymphocyte-deficient transgenic mice persisted. Although both CD4+ and CD8+ T cells function early in pulmonary defense against R. equi, clearance is dependent on CD4+ T lymphocytes.

Journal: :Applied and environmental microbiology 2001
A C Morton A P Begg G A Anderson S Takai C Lämmler G F Browning

Pulsed-field gel electrophoresis of restriction endonuclease-digested genomic DNA from a large collection of clinical isolates of Rhodococcus equi, an important pathogen of foals, was used to compare strain distribution between farms and over time. Forty-four strains were found among 209 isolates, with 5 of these accounting for over half the isolates and the 22 strains isolated more than once a...

2015
Kazuhiko Kurosawa Andreas Radek Jens K Plassmeier Anthony J Sinskey

BACKGROUND Glycerol generated during renewable fuel production processes is potentially an attractive substrate for the production of value-added materials by fermentation. An engineered strain MITXM-61 of the oleaginous bacterium Rhodococcus opacus produces large amounts of intracellular triacylglycerols (TAGs) for lipid-based biofuels on high concentrations of glucose and xylose. However, on ...

Journal: :Journal of clinical microbiology 2015
Londa J Berghaus Steeve Giguère Kristen Guldbech Eleanor Warner Ukachi Ugorji Roy D Berghaus

MICs of erythromycin, clarithromycin, azithromycin, rifampin, gentamicin, and doxycycline against 101 isolates of Rhodococcus equi were determined by broth macrodilution, disk diffusion, and Etest. Categorical agreement ranged between 85.1 and 100%. Overall, the agreement between Etest and disk diffusion was better than the agreement between broth macrodilution and the agar-based methods.

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