Long-term survival of Cryptococcus neoformans and Cryptococcus gattii in stored environmental samples from Colombia

Escandón, Patricia; Castañeda, Elizabeth

doi:10.1016/j.riam.2014.06.007

Cited by 8 publications

(6 citation statements)

References 23 publications

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“…C. deuterogattii is found in a variety of ecological niches, being isolated from tree detritus in Puerto Rico [ 46 ], from Moquilea tomentosa, Plathymenia reticulata, and Senna sianea in Brazil [ 18 , 41 , 42 ] and from Eucalyptus spp. in Colombia [ 30 ]. In addition, C. deuterogattii was also isolated from indoor dust from typical wooden houses in Amazonas, Brazil, and from Guettarda acreana trees [ 43 , 44 ].…”

Section: Cryptococcus Gattii Species Complex DImentioning

confidence: 99%

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Ecoepidemiology of Cryptococcus gattii in Developing Countries

Herkert

Hagen

Pinheiro

et al. 2017

JoF

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Cryptococcosis is a systemic infection caused by species of the encapsulated yeast Cryptococcus. The disease may occur in immunocompromised and immunocompetent hosts and is acquired by the inhalation of infectious propagules present in the environment. Cryptococcus is distributed in a plethora of ecological niches, such as soil, pigeon droppings, and tree hollows, and each year new reservoirs are discovered, which helps researchers to better understand the epidemiology of the disease. In this review, we describe the ecoepidemiology of the C. gattii species complex focusing on clinical cases and ecological reservoirs in developing countries from different continents. We also discuss some important aspects related to the antifungal susceptibility of different species within the C. gattii species complex and bring new insights on the revised Cryptococcus taxonomy.

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Section: Cryptococcus Gattii Species Complex DImentioning

confidence: 99%

“…In the environment, Corymbia ficifolia and Ficus spp. trees have been reported as reservoirs in Colombia [ 30 , 47 ] and Tipuana tipu in Argentina [ 23 ].…”

Section: Cryptococcus Gattii Species Complex DImentioning

confidence: 99%

Ecoepidemiology of Cryptococcus gattii in Developing Countries

Herkert

Hagen

Pinheiro

et al. 2017

JoF

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“…Many questions about the presence of the fungus in the environment were still without a complete answer, and one of them was related to the survival time of the blastoconidia in the samples. In this way, a couple of studies were carried out in Latin America, and the findings indicated that blastoconidia could remain viable from 45 days up to ten years ( Álvarez et al 2013 , Escandón and Castañeda 2015 ). Efforts have been also made in the design of a culture medium, which use results appropriate for environmental studies to recover the fungus with a major efficiency from the environment ( Silva et al 2012 , Álvarez et al 2013 ).…”

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confidence: 99%

The status of cryptococcosis in Latin America

Firacative

Lizarazo

Illnait-Zaragozí

et al. 2018

Mem. Inst. Oswaldo Cruz

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Cryptococcosis is a life-threatening fungal infection caused by the encapsulated yeasts Cryptococcus neoformans and C. gattii, acquired from the environment. In Latin America, as occurring worldwide, C. neoformans causes more than 90% of the cases of cryptococcosis, affecting predominantly patients with HIV, while C. gattii generally affects otherwise healthy individuals. In this region, cryptococcal meningitis is the most common presentation, with amphotericin B and fluconazole being the antifungal drugs of choice. Avian droppings are the predominant environmental reservoir of C. neoformans, while C. gattii is associated with several arboreal species. Importantly, C. gattii has a high prevalence in Latin America and has been proposed to be the likely origin of some C. gattii populations in North America. Thus, in the recent years, significant progress has been made with the study of the basic biology and laboratory identification of cryptococcal strains, in understanding their ecology, population genetics, host-pathogen interactions, and the clinical epidemiology of this important mycosis in Latin America.

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“… 10 , 11 Cyptococcal infection can spread after initial inhalation into the lung, disseminating to CNS, skin, bone, kidney, liver, spleen, and lymph nodes. 12 , 13 Since the patient had recovered from both skin and gum infections after anticryptococcal treatments, the cryptococcal osteomyelitis may be inferred as a result of dissemination from previous infections. 14 In the present study, we reported a case of cryptococcal osteomyelitis in the thoracolumbar scoliosis of a 17-year-old woman.…”

Section: Discussionmentioning

confidence: 99%

Thoracolumbar Scoliosis Due to Cryptococcal Osteomyelitis

Liang

Shen

et al. 2016

Medicine

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Cryptococcus neoformans causes opportunistic infections in immunocompromised patients, with vertebral osteomyelitis being a very rare involvement.This study is to present a case of thoracolumbar scoliosis occurring in the setting of cryptococcal osteomyelitis.Pharmacological intervention with anticryptococcal medicine and medical management of immune hemolytic anemia were administered. After initial acute stabilization, she underwent spinal debridement and fusion on October 29, 2008. She eventually recovered fully from this episode with no subsequent mechanical instability or neurological deficits on subsequent clinic follow-ups.To the best of our knowledge, there have been no reports describing the onset of spinal cryptococcal osteomyelitis along with immune hemolytic anemia. We suggest a comprehensive algorithm for the diagnosis of vertebral cryptococcal osteomyelitis.

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Long-term survival of Cryptococcus neoformans and Cryptococcus gattii in stored environmental samples from Colombia

Cited by 8 publications

References 23 publications

Ecoepidemiology of Cryptococcus gattii in Developing Countries

Ecoepidemiology of Cryptococcus gattii in Developing Countries

The status of cryptococcosis in Latin America

Thoracolumbar Scoliosis Due to Cryptococcal Osteomyelitis

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