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DIVERSITY AND INFECTIVITY POTENTIAL OF EMERGING FUNGI IN AN AREA OF BABAÇU TREES IN THE STATE OF MARANHÃO, BRAZIL.

Nascimento Mdo D, Leitão VM, Silva MA, Nascimento AC, Bezerra GF, Viana GM - Rev. Inst. Med. Trop. Sao Paulo (2015 Sep-Oct)

View Article: PubMed Central - PubMed

Affiliation: Departamento de Patologia, Universidade Federal do Maranhão, São Luís, Maranhão, Brasil, cnsd_ma@uol.com.br; geusabezerra@yahoo.com.br; gracaviana@globo.com.

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We studied human mycoses in conjunctiva, nails (onycholytic lesions) and skin lesions in 100 babaçu coconut breakers of Esperantinópolis, Maranhão (Fig. 1), and studied the ground near the babaçu palms, coconut shells and palm leaves (Fig. 2), for taxonomic classification of fungi by direct mycological and microscopic examination... Of the 20 samples taken from the soil, we obtained 13 isolates of fungi, whose macro and micromorphological characteristics of the colonies allowed the diagnosis ofAspergillus niger, Penicillium sp., andScedosporium sp., besides others, Fusarium sp. not being found... Twenty-five nail samples that showed suggestive alterations of onycholytic lesions (Fig. 3) were harvested; eleven positive cultures for yeast, Neosartorya spinosa, and Trichophyton sp... Seventy-two fungal isolates were obtained from the conjunctiva, the most common were filamentous fungi from 58 (80.57%) breakers and 14 samples (19.43%) were found corresponding to Candida sp., and the Fusariumspp. occurred in only one sample (Fig. 5 and Table 2)... All individuals involved in this study were babaçu coconut breakers... There was a greater isolation of fungi in the study group compared to the control group (Table 3)... The lack of knowledge on Fusarium in soil, palm bark, almond, palm leaves, and babaçu coconuts, albeit in a preliminary way, has established a plant model for studies of biological control of Fusariumsp... However, in the onycholytic lesions we found the genres Neosartorya spinosa, Rhizopus sp., and Curvularia sp. showing that other emerging and opportunistic filamentous fungi may be isolated... The fungi found in this study were present in the environment... As the coconut breakers suffer constant injuries resulting from their work, the fungi penetrate by percutaneous inoculation... In conclusion, exposure to geophilic fungi and fitopathogens linked to the work ofbabaçu coconuts extraction has been recorded as mycoses which require clinical and laboratory diagnosis that will result in preventive measures, thus justifying the economic and social importance of this work activity.

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- Coconut breaker from Esperantinópolis, Maranhão(MA), Brazil.
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f01: - Coconut breaker from Esperantinópolis, Maranhão(MA), Brazil.

Mentions: We studied human mycoses in conjunctiva, nails (onycholytic lesions) and skin lesions in 100 babaçu coconut breakers of Esperantinópolis, Maranhão (Fig. 1), and studied the ground near the babaçu palms, coconut shells and palm leaves (Fig. 2), for taxonomic classification of fungi by direct mycological and microscopic examination. We also performed direct examination with KOH for human mycoses. After the growth of colonies, these were analyzed by light microscopy using blue lactophenol dye. Colonies of interest were subcultured in tubes of 16 x 150, containing Sabouraud agar medium and subsequently was prepared microcultivation for taxonomic identification. The study was approved by the Ethics Committee in Research of the University Hospital of UFMA.


DIVERSITY AND INFECTIVITY POTENTIAL OF EMERGING FUNGI IN AN AREA OF BABAÇU TREES IN THE STATE OF MARANHÃO, BRAZIL.

Nascimento Mdo D, Leitão VM, Silva MA, Nascimento AC, Bezerra GF, Viana GM - Rev. Inst. Med. Trop. Sao Paulo (2015 Sep-Oct)

- Coconut breaker from Esperantinópolis, Maranhão(MA), Brazil.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4660461&req=5

f01: - Coconut breaker from Esperantinópolis, Maranhão(MA), Brazil.
Mentions: We studied human mycoses in conjunctiva, nails (onycholytic lesions) and skin lesions in 100 babaçu coconut breakers of Esperantinópolis, Maranhão (Fig. 1), and studied the ground near the babaçu palms, coconut shells and palm leaves (Fig. 2), for taxonomic classification of fungi by direct mycological and microscopic examination. We also performed direct examination with KOH for human mycoses. After the growth of colonies, these were analyzed by light microscopy using blue lactophenol dye. Colonies of interest were subcultured in tubes of 16 x 150, containing Sabouraud agar medium and subsequently was prepared microcultivation for taxonomic identification. The study was approved by the Ethics Committee in Research of the University Hospital of UFMA.

View Article: PubMed Central - PubMed

Affiliation: Departamento de Patologia, Universidade Federal do Maranhão, São Luís, Maranhão, Brasil, cnsd_ma@uol.com.br; geusabezerra@yahoo.com.br; gracaviana@globo.com.

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

We studied human mycoses in conjunctiva, nails (onycholytic lesions) and skin lesions in 100 babaçu coconut breakers of Esperantinópolis, Maranhão (Fig. 1), and studied the ground near the babaçu palms, coconut shells and palm leaves (Fig. 2), for taxonomic classification of fungi by direct mycological and microscopic examination... Of the 20 samples taken from the soil, we obtained 13 isolates of fungi, whose macro and micromorphological characteristics of the colonies allowed the diagnosis ofAspergillus niger, Penicillium sp., andScedosporium sp., besides others, Fusarium sp. not being found... Twenty-five nail samples that showed suggestive alterations of onycholytic lesions (Fig. 3) were harvested; eleven positive cultures for yeast, Neosartorya spinosa, and Trichophyton sp... Seventy-two fungal isolates were obtained from the conjunctiva, the most common were filamentous fungi from 58 (80.57%) breakers and 14 samples (19.43%) were found corresponding to Candida sp., and the Fusariumspp. occurred in only one sample (Fig. 5 and Table 2)... All individuals involved in this study were babaçu coconut breakers... There was a greater isolation of fungi in the study group compared to the control group (Table 3)... The lack of knowledge on Fusarium in soil, palm bark, almond, palm leaves, and babaçu coconuts, albeit in a preliminary way, has established a plant model for studies of biological control of Fusariumsp... However, in the onycholytic lesions we found the genres Neosartorya spinosa, Rhizopus sp., and Curvularia sp. showing that other emerging and opportunistic filamentous fungi may be isolated... The fungi found in this study were present in the environment... As the coconut breakers suffer constant injuries resulting from their work, the fungi penetrate by percutaneous inoculation... In conclusion, exposure to geophilic fungi and fitopathogens linked to the work ofbabaçu coconuts extraction has been recorded as mycoses which require clinical and laboratory diagnosis that will result in preventive measures, thus justifying the economic and social importance of this work activity.

Show MeSH