Characterization of Cryptococcus neoformans isolated from urban environmental sources in Goiânia, Goiás State, Brazil
Cryptococcus neoformans is an opportunistic fungal pathogen that causes meningoencephalitis as the most frequent clinical presentation in immunocompromised patients, mainly in people infected by HIV. This fungus is an environmental encapsulated yeast, commonly found in soil enriched with avian dropp...
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| Veröffentlicht in: | Revista do Instituto de Medicina Tropical de São Paulo 2005-07, Vol.47 (4), p.203-207 |
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| creator | Kobayashi, Cláudia Castelo Branco Artiaga Souza, Lúcia Kioko Hasimoto e Fernandes, Orionalda de Fátima Lisboa Brito, Sula Cristina Assis de Silva, Ana Cláudia Sousa, Efigênia Dantas de Silva, Maria do Rosário Rodrigues |
| description | Cryptococcus neoformans is an opportunistic fungal pathogen that causes meningoencephalitis as the most frequent clinical presentation in immunocompromised patients, mainly in people infected by HIV. This fungus is an environmental encapsulated yeast, commonly found in soil enriched with avian droppings and plant material. A total of 290 samples of pigeon and the other avian droppings, soil, ornamental trees and vegetable material associated with Eucalyptus trees were collected to study environmental sources of Cryptococcus species in Goiânia, Goiás State. The determination of varieties, serotypes and the susceptibility in vitro to fluconazole, itraconazole and amphotericin B of C. neoformans isolates were performed. C. neoformans var. grubii (serotype A) was found in 20.3% (36/177) of pigeon dropping samples and in 14.3% (5/35) of samples of Eucalyptus. None of the environmental isolates of C. neoformans showed in vitro resistance to three antifungal agents. The knowledge of major route for human cryptococcal infection (inhalation of infectious particles from saprophytic sources) and a total of 60 C. neoformans isolates obtained from AIDS patients with cryptococcal meningitis between October 2001 and April 2002 justify the study of the habitats of these yeasts as probable sources of cryptococcosis in this city. |
| doi_str_mv | 10.1590/s0036-46652005000400005 |
| format | Article |
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This fungus is an environmental encapsulated yeast, commonly found in soil enriched with avian droppings and plant material. A total of 290 samples of pigeon and the other avian droppings, soil, ornamental trees and vegetable material associated with Eucalyptus trees were collected to study environmental sources of Cryptococcus species in Goiânia, Goiás State. The determination of varieties, serotypes and the susceptibility in vitro to fluconazole, itraconazole and amphotericin B of C. neoformans isolates were performed. C. neoformans var. grubii (serotype A) was found in 20.3% (36/177) of pigeon dropping samples and in 14.3% (5/35) of samples of Eucalyptus. None of the environmental isolates of C. neoformans showed in vitro resistance to three antifungal agents. The knowledge of major route for human cryptococcal infection (inhalation of infectious particles from saprophytic sources) and a total of 60 C. neoformans isolates obtained from AIDS patients with cryptococcal meningitis between October 2001 and April 2002 justify the study of the habitats of these yeasts as probable sources of cryptococcosis in this city.</description><identifier>ISSN: 0036-4665</identifier><identifier>ISSN: 1678-9946</identifier><identifier>EISSN: 0036-4665</identifier><identifier>EISSN: 1678-9946</identifier><identifier>DOI: 10.1590/s0036-46652005000400005</identifier><identifier>PMID: 16138201</identifier><identifier>CODEN: RMTSAE</identifier><language>eng</language><publisher>Brazil: Instituto de Medicina Tropical de Sao Paulo</publisher><subject>Animals ; Antifungal Agents - pharmacology ; Brazil ; Columbidae ; Cryptococcus neoformans - classification ; Cryptococcus neoformans - drug effects ; Cryptococcus neoformans - isolation & purification ; Environmental Microbiology ; Eucalyptus - microbiology ; Feces - microbiology ; Humans ; Microbial Sensitivity Tests ; Serotyping ; TROPICAL MEDICINE ; Urban Health</subject><ispartof>Revista do Instituto de Medicina Tropical de São Paulo, 2005-07, Vol.47 (4), p.203-207</ispartof><rights>Copyright Instituto de Medicina Tropical de Sao Paulo Jul/Aug 2005</rights><rights>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3415-a5022c17c2e8d1ce6414b5552f8ab08ee56dc818f55e75775721f8927de262b23</citedby><cites>FETCH-LOGICAL-c3415-a5022c17c2e8d1ce6414b5552f8ab08ee56dc818f55e75775721f8927de262b23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,864,885,27922,27923</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16138201$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kobayashi, Cláudia Castelo Branco Artiaga</creatorcontrib><creatorcontrib>Souza, Lúcia Kioko Hasimoto e</creatorcontrib><creatorcontrib>Fernandes, Orionalda de Fátima Lisboa</creatorcontrib><creatorcontrib>Brito, Sula Cristina Assis de</creatorcontrib><creatorcontrib>Silva, Ana Cláudia</creatorcontrib><creatorcontrib>Sousa, Efigênia Dantas de</creatorcontrib><creatorcontrib>Silva, Maria do Rosário Rodrigues</creatorcontrib><title>Characterization of Cryptococcus neoformans isolated from urban environmental sources in Goiânia, Goiás State, Brazil</title><title>Revista do Instituto de Medicina Tropical de São Paulo</title><addtitle>Rev Inst Med Trop Sao Paulo</addtitle><description>Cryptococcus neoformans is an opportunistic fungal pathogen that causes meningoencephalitis as the most frequent clinical presentation in immunocompromised patients, mainly in people infected by HIV. This fungus is an environmental encapsulated yeast, commonly found in soil enriched with avian droppings and plant material. A total of 290 samples of pigeon and the other avian droppings, soil, ornamental trees and vegetable material associated with Eucalyptus trees were collected to study environmental sources of Cryptococcus species in Goiânia, Goiás State. The determination of varieties, serotypes and the susceptibility in vitro to fluconazole, itraconazole and amphotericin B of C. neoformans isolates were performed. C. neoformans var. grubii (serotype A) was found in 20.3% (36/177) of pigeon dropping samples and in 14.3% (5/35) of samples of Eucalyptus. None of the environmental isolates of C. neoformans showed in vitro resistance to three antifungal agents. The knowledge of major route for human cryptococcal infection (inhalation of infectious particles from saprophytic sources) and a total of 60 C. neoformans isolates obtained from AIDS patients with cryptococcal meningitis between October 2001 and April 2002 justify the study of the habitats of these yeasts as probable sources of cryptococcosis in this city.</description><subject>Animals</subject><subject>Antifungal Agents - pharmacology</subject><subject>Brazil</subject><subject>Columbidae</subject><subject>Cryptococcus neoformans - classification</subject><subject>Cryptococcus neoformans - drug effects</subject><subject>Cryptococcus neoformans - isolation & purification</subject><subject>Environmental Microbiology</subject><subject>Eucalyptus - microbiology</subject><subject>Feces - microbiology</subject><subject>Humans</subject><subject>Microbial Sensitivity Tests</subject><subject>Serotyping</subject><subject>TROPICAL MEDICINE</subject><subject>Urban Health</subject><issn>0036-4665</issn><issn>1678-9946</issn><issn>0036-4665</issn><issn>1678-9946</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kd1KxDAQhYMo_qy-ggYvvHI1SZs0vdTiHwheqNclTacYaZM1aZXdt9FX8cXMuouKgpCQgXznzHAGoT1KjijPyXEgJBHjVAjOCOGEkDRewlfQ5tfH6o96A22F8BiJnORiHW1QQRPJCN1EL8WD8kr34M1M9cZZ7Bpc-Omkd9ppPQRswTXOd8oGbIJrVQ81brzr8OArZTHYZ-Od7cD2qsXBDV5DJC2-cOb9zRp1-Fm9BnzbR-0hPvVqZtpttNaoNsDO8h2h-_Ozu-JyfH1zcVWcXI91klI-VpwwpmmmGciaahApTSvOOWukqogE4KLWksqGc8h4Fg-jjcxZVgMTrGLJCB0tfIM20LryMQ5oY8Pydh5O-SfBKDhYCCbePQ0Q-rIzQUPbqhjEEEohY_cIR3D_F_jlTfPomkYwQtkC0t6F4KEpJ950yk9LSsr5Jv-ZY3dpP1Qd1N-65eqSD2_vmCE</recordid><startdate>200507</startdate><enddate>200507</enddate><creator>Kobayashi, Cláudia Castelo Branco Artiaga</creator><creator>Souza, Lúcia Kioko Hasimoto e</creator><creator>Fernandes, Orionalda de Fátima Lisboa</creator><creator>Brito, Sula Cristina Assis de</creator><creator>Silva, Ana Cláudia</creator><creator>Sousa, Efigênia Dantas de</creator><creator>Silva, Maria do Rosário Rodrigues</creator><general>Instituto de Medicina Tropical de Sao Paulo</general><general>Instituto de Medicina Tropical</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>CLZPN</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9-</scope><scope>K9.</scope><scope>KB0</scope><scope>M0R</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M2P</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>S0X</scope><scope>7X8</scope><scope>GPN</scope></search><sort><creationdate>200507</creationdate><title>Characterization of Cryptococcus neoformans isolated from urban environmental sources in Goiânia, Goiás State, Brazil</title><author>Kobayashi, Cláudia Castelo Branco Artiaga ; Souza, Lúcia Kioko Hasimoto e ; Fernandes, Orionalda de Fátima Lisboa ; Brito, Sula Cristina Assis de ; Silva, Ana Cláudia ; Sousa, Efigênia Dantas de ; Silva, Maria do Rosário Rodrigues</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3415-a5022c17c2e8d1ce6414b5552f8ab08ee56dc818f55e75775721f8927de262b23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Animals</topic><topic>Antifungal Agents - 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Academic</collection><collection>SciELO</collection><jtitle>Revista do Instituto de Medicina Tropical de São Paulo</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kobayashi, Cláudia Castelo Branco Artiaga</au><au>Souza, Lúcia Kioko Hasimoto e</au><au>Fernandes, Orionalda de Fátima Lisboa</au><au>Brito, Sula Cristina Assis de</au><au>Silva, Ana Cláudia</au><au>Sousa, Efigênia Dantas de</au><au>Silva, Maria do Rosário Rodrigues</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of Cryptococcus neoformans isolated from urban environmental sources in Goiânia, Goiás State, Brazil</atitle><jtitle>Revista do Instituto de Medicina Tropical de São Paulo</jtitle><addtitle>Rev Inst Med Trop Sao Paulo</addtitle><date>2005-07</date><risdate>2005</risdate><volume>47</volume><issue>4</issue><spage>203</spage><epage>207</epage><pages>203-207</pages><issn>0036-4665</issn><issn>1678-9946</issn><eissn>0036-4665</eissn><eissn>1678-9946</eissn><coden>RMTSAE</coden><abstract>Cryptococcus neoformans is an opportunistic fungal pathogen that causes meningoencephalitis as the most frequent clinical presentation in immunocompromised patients, mainly in people infected by HIV. This fungus is an environmental encapsulated yeast, commonly found in soil enriched with avian droppings and plant material. A total of 290 samples of pigeon and the other avian droppings, soil, ornamental trees and vegetable material associated with Eucalyptus trees were collected to study environmental sources of Cryptococcus species in Goiânia, Goiás State. The determination of varieties, serotypes and the susceptibility in vitro to fluconazole, itraconazole and amphotericin B of C. neoformans isolates were performed. C. neoformans var. grubii (serotype A) was found in 20.3% (36/177) of pigeon dropping samples and in 14.3% (5/35) of samples of Eucalyptus. None of the environmental isolates of C. neoformans showed in vitro resistance to three antifungal agents. The knowledge of major route for human cryptococcal infection (inhalation of infectious particles from saprophytic sources) and a total of 60 C. neoformans isolates obtained from AIDS patients with cryptococcal meningitis between October 2001 and April 2002 justify the study of the habitats of these yeasts as probable sources of cryptococcosis in this city.</abstract><cop>Brazil</cop><pub>Instituto de Medicina Tropical de Sao Paulo</pub><pmid>16138201</pmid><doi>10.1590/s0036-46652005000400005</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Animals Antifungal Agents - pharmacology Brazil Columbidae Cryptococcus neoformans - classification Cryptococcus neoformans - drug effects Cryptococcus neoformans - isolation & purification Environmental Microbiology Eucalyptus - microbiology Feces - microbiology Humans Microbial Sensitivity Tests Serotyping TROPICAL MEDICINE Urban Health |
| title | Characterization of Cryptococcus neoformans isolated from urban environmental sources in Goiânia, Goiás State, Brazil |
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