2017
DOI: 10.1590/s0100-736x2017000500006
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Isolamento e caracterização de espécies de Pythium de ambientes aquáticos no Estado do Rio Grande do Sul e avaliação da patogenicidade em modelo experimental

Abstract: RESUMO: Foram coletadas 186 amostras de água de ambientes pantanosos em 13 municípios das regiões Sul, Central e Oeste do Rio Grande do Sul, Brasil, com o objetivo de isolar e caracterizar espécies de Pythium e avaliar a sua patogenicidade empregando coelhos como modelo experimental. Em 11,8% (n=22) das águas coletadas foram isoladas diferentes espécies de Pythium incluindo: P. insidiosum (n=1), P. catenulatum (n=3), P. pachycaule voucher (n=1), P. rhizo-oryzae (n=3), P. torulosum (n=4) e Pythium spp. (n=10). … Show more

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Cited by 10 publications
(9 citation statements)
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“…In nature, P. insidiosum is observed in two forms: mycelium and zoospore (an infective unit) [2]. Several groups of investigators have successfully isolated P. insidiosum from swampy areas in Australia, Thailand, the United States, and Brazil [36]. While most pathogenic Pythium species infects plants, P. insidiosum infects humans and animals, and causes the life-threatening disease, called pythosis [7].…”
Section: Objectivementioning
confidence: 99%
“…In nature, P. insidiosum is observed in two forms: mycelium and zoospore (an infective unit) [2]. Several groups of investigators have successfully isolated P. insidiosum from swampy areas in Australia, Thailand, the United States, and Brazil [36]. While most pathogenic Pythium species infects plants, P. insidiosum infects humans and animals, and causes the life-threatening disease, called pythosis [7].…”
Section: Objectivementioning
confidence: 99%
“…P. insidiosum can be isolated from swampy areas in several countries across the world (i.e., Thailand, Australia, the United States, and Brazil) [ 34 , 35 , 36 , 37 , 38 , 39 ]. Recently, Jara et al successfully isolated P. insidiosum throughout the study area in the Chincoteague National Wildlife Refuge in Virginia, the United States [ 39 ].…”
Section: Discussionmentioning
confidence: 99%
“…Several investigators can isolate P. insidiosum from agricultural or non-residential areas in northern Thailand, Australia, the United States, and Brazil [ 34 , 35 , 36 , 37 , 38 , 39 ]. To obtain a complete picture of how the pathogen circulates in the environment, we aim to survey the presence of P. insidiosum in a crowded city like Bangkok, as well as rural areas of central and southern Thailand.…”
Section: Introductionmentioning
confidence: 99%
“…Nine scientific articles described the successful isolations and molecular detections of P. insidiosum in water or soil samples from the environment in four countries (i.e., U.S.A., Brazil, Thailand, and Australia; as indicated by the stars in Figure 3) [4,[68][69][70][71][72][73][74][75]. P. insidiosum was first isolated from swampy areas in Queensland, Australia [4].…”
Section: Ecological Distribution Of P Insidiosummentioning
confidence: 99%