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Directory of Open Access Journals Sweden. Rhodotorula mucilaginosa es una levadura ubicua y pigmentada, capaz de producir infecciones en pacientes inmunocomprometidos. The rapid identification of environmental or clinical yeast isolates is important for biodiversity pas and the detection of probable pathogens. Rhodotorula mucilaginosa is a ubiquitous and pigmented yeast capable of infecting immunocompromised patients.

There were selected putative R.

Rhodotorula mucilaginosa rarely cause keratitis in immunocompromised individuals. A 30 year old male with history of minor trauma presented with cotton wool like ckaudio infiltration and hypopyon in left eye. Microbiological examination of corneal scraping showed fungal hyphae and yeast cells in direct smear. Management of these cases is difficult often necessitating surgical procedures. However further reports are necessary to understand the disease and establish a treatment protocol.

We report an atypical case of Rhodotorula mucilaginosa fungemia coexisting with pleural tuberculosis, in an immunocompetent host. The patient was an inhaled drug abuser and worked in a fruit market. The diagnosis of Rhodotorula mucilaginosa infection was established by the isolation of the yeast in two blood cultures followed by a good response to amphotericin B treatment.

Persistent evening fever and pleural effusion led to the second diagnosis-pleural tuberculosis. In the last 5 years, this was claudip only case of Rhodotorula mucilaginosa fungemia in our hospital and the first case in the literature that documents Rhodotorula mucilaginosa fungemia associated with pleural tuberculosis. Rhodotorula mucilaginosa as a cause of persistent femoral nonunion.

Full Text Available We present a case of postoperative infection which presented as nonunion fracture femur in a year-old man due to Rhodotorula mucilaginosa. This is the first report of Rhodotorula infection in a patient with fracture nonunion. The patient underwent repeated surgical debridement and received intensive antibiotic therapy before the diagnosis was made.

The diagnosis could have been made earlier if the fungal etiology had been suspected earlier. Early suspicion and diagnosis of infection with atypical yeasts could be under-reported because of difficulties in accurate diagnosis and a tendency of attributing isolates to specimen contamination. Full Text Available Introduction Rhodotorula species are widespread in nature and can be isolated from a variety of sources, including air, soil, seawater, plants, and the household environment.

They are also widely distributed in hospitals, and their presence could be considered a risk factor for hospitalized patients.

These commensal yeasts have emerged as a cause of life-threatening fungemia in patients with depressed immune systems. Case Presentation We report a case of duodenal perforation with peritonitis in a year-old female who was scheduled immediately for exploratory laparotomy followed by closure of perforation and omentopexy. The peritoneal fluid was sent to the microbiology laboratory for routine investigations.

On the 4th postoperative day, the patient had a fever that did not subside with antipyretics; hence, blood cultures were sent the next day. The peritoneal fluid and blood culture reports both yielded Rhodotorula mucilaginosa after 3 days of incubation. The patient was started on IV amphotericin B therapy, which resulted in a favorable outcome. Conclusions In humans, Rhodotorula species have been recovered as commensal organisms from the nails, the skin, and the respiratory, gastrointestinal GI, and urinary claudioo.

Due to their presence in the GI flora, broad-spectrum antibiotics could contribute to their overgrowth in the GI tract. Localized infections, such as peritonitis, due to Rhodotorula species following infected peritoneal dialysis catheters have been reported in the literature. However, in our case, it seems possible that the fungus might have entered the bloodstream through disruption of the Sda mucosa, and to prove this, further study is mandatory.


It should dicgo be noted that both amphotericin B and flucytosine have good activity against Rhodotorula in vitro, whereas fluconazole is inactive. Nail psoriasis masqueraded by secondary infection with Rhodotorula mucilaginosa.

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A year-old man presented with whitish nail changes on all fingers as the sole symptom. The condition had developed within a few days and led to dystrophy of the proximal part of the nail plates.

As microscopic examination of nail scrapings demonstrated budding hyphae and the patient working as a teacher reported frequent use of a wet sponge, antifungal therapy was initiated.

Subsequent cultures and molecular typing identified Rhodotorula mucilaginosa formerly R. This environmental yeast was repeatedly isolated despite of therapy with itraconazole. As no improvement was achieved and testing of the biological activity of the fungus revealed only marginal keratolytic activity, it was considered as a coloniser of a destructed nail matrix.

Fungal growth in destructed nails masqueraded the underlying disease and may have triggered the psoriatic nail reaction. Rhodotorula mucilaginosa associacted meningitis: A subacute entity with high mortality. Case report and review. A fatal case of meningitis due to Rhodotorula mucilaginosa in a 28 year-old HIV-negative male with a history of Hodgkin lymphoma who underwent salvage chemotherapy is presented.

Reviewing the literature we identified 13 cases with central nervous system infection due Rhodotorula spp. The disease usually occurs in HIV negative immunosupressed middle-aged males. It takes the form of subacute or chronic meningitis accompanied by fever with an overall mortality of Cloning of an epoxide hydrolase encoding gene from Rhodotorula mucilaginosa and functional expresion in Yarrowia lipolytica.

Full Text Availablewere used to amplify the genomic EH-encoding gene from Rhodotorula mucilaginosa. The bp genomic sequence revealed a bp ORF containing nine introns. Fungemia due to Rhodotorula mucilaginosa after allogeneic hematopoietic stem cell transplantation.

Rhodotorula species have been increasingly recognized as emerging pathogens, particularly in immunocompromised patients. We herein report on a patient with myelodysplastic syndrome who developed fungemia due to Rhodotorula mucilaginosa after allogeneic hematopoietic stem cell transplantation HSCT from an unrelated donor. He developed severe acute graft-versus-host disease requiring high-dose steroids, and had serially been administered fluconazole and micafungin for the prophylaxis of fungal infection.

A review of all the reported cases of Rhodotorula infection after HSCT revealed that all patients had received fluconazole or echinocandins before the onset of infection. The findings suggest that Rhodotorula species could be causative yeasts, particularly in patients receiving fluconazole or echinocandins, both of which are inactive against the species.

Full Text Available Yeasts of Rhodotorula genus have been reported to show endophytic colonization in different plants. Some of the Rhodotorula species are found to exhibit plant growth promoting activities and also have been reported to protect plants against invading pathogens.

A yeast strain closely related to Rhodotorula mucilaginosa was isolated from the endosphere of Typha angustifolia collected from a Uranium mine.

A microarray analysis was performed to investigate the early changes in rice shoot transcripts in response to this yeast R. Chitin enhances biocontrol of Rhodotorula mucilaginosa to postharvest decay of peaches. Biological control using microbial antagonists is a promising alternative approach to synthetic fungicides. However, effective biological control requires enhancing the consistency and efficacy of the antagonists used to control postharvest diseases.

This study investigated the effect of chitin on the biocontrol efficacy of Rhodotorula mucilaginosa against blue mold and Rhizopus decay of peaches and on the protein expression profiles of R.

The antagonistic activity of R.

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The protein expression profiles findings revealed that there were several differentially claudik proteins of R. Most of these were clakdio proteomes relating to the primary metabolic reactions such as glycoside hydrolases, phosphoribosyl pyrophosphate, and NADH dehydrogenases.


Some proteins were also related to signal transmission and stress response. Burdock fructooligosaccharide enhances biocontrol of Rhodotorula mucilaginosa to postharvest decay of peaches. The influence of esa burdock fructooligosaccharide BFO in the culture media on the efficacy of Rhodotorula mucilaginosa in controlling postharvest decay of peaches and its possible mode of action were investigated.

The population of R. Virulence and antifungal therapy of murine disseminated infection by Rhodotorula mucilaginosa. Rhodotorula infections have emerged in recent years causing mainly fungemia associated to high mortality. We have evaluated the in vitro activity of nine antifungal drugs against four clinical strains of Rhodotorula mucilaginosabeing amphotericin B, voriconazole and posaconazole the most active compounds.

The experimental virulence of this fungus and the efficacy of the three mentioned drugs were evaluated in disseminated infections clsudio neutropenic mice. Infection resulted in a high fungal load in all the organs studied without evident particular tropism. All treated animals showed reduced burden respect to the control in a strain dependent manner being voriconazole slightly superior to posaconazole and amphotericin B.

Meningite e endocardite infecciosa causada por Rhodotorula mucilaginosa em paciente imunocompetente. Tinea capitis-like infection caused by Rhodotorula mucilaginosa in a shelter for African Refugee Children in Northern Israel. Rhodotorula is a genus of unicellular pigmented yeasts, part of the division Basidiomycota. In this article, we report three cases of psao children in a day care shelter in northern Israel who were clinically diagnosed and treated empirically as with ringworm infection but with clean and exclusive pask of Rhodotorula mucilaginosa in repeated cultures of several skin samples.

Skin infections caused by this yeast are rare and there are few reports in the literature, mainly in patients who are immunocompromised.

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Here we report an infectious process of the scalp in immunocompetent children, caused by Rhodotorula mucilaginosa mimicking tinea capitis. Clinical and microbiological characteristics of Rhodotorula mucilaginosa infections in a tertiary-care facility. The aim of the study was to review reported cases of Rhodotorula infection over a period of 9 years to determine epidemiology, risk factors, treatment and outcome.

All the isolates were identified as R. Amphotericin B demonstrated lowest minimum inhibitory concentration MIC as compared with other anti-fungal agents fluconazole, itraconazole and voriconazole. The recognition of unusual yeasts as an agent of life-threatening infection and their intrinsic resistance increases the burden on the mycology laboratory for complete species identification and to determine minimum inhibitory concentration. A novel extracellular glycosidase activity from Rhodotorula mucilaginosa: The aim of the work was to evaluate the application potential of a glycosidase extract of one indigenous non-Saccharomyces strain in wine aroma enhancement.

After that, the hydrolysis capacity of R.

Results of this work revealed that glycosidase extract from R. Compared to commercial enzymes, the indigenous R. This work presents a novel extracellular glycosidase preparation from an indigenous Rhodotorula mucilaginosa strain selected from a local winemaking region in China.

This enzyme extract exhibits strong tolerance towards winemaking conditions. It shows hydrolysis specificity for glycosides of benzenic compounds and C13 -norisoprenoids, proving a potential candidate for improving floral and fruity aroma characteristics of wine.

Screening and identification of a cutinase-producing Rhodotorula mucilaginosa claudik properties of the cutinase.