Freshwater Sponges
Mostrando 1-12 de 12 artigos, teses e dissertações.
-
1. Hatchability of gemmules of two Neotropical freshwater sponges (Porifera: Spongillida)
RESUMO Ambientes de águas continentais estão suscetíveis a condições ambientais extremas, determinantes à evolução de várias estratégias adaptativas para estas condições variáveis. As esponjas de águas continentais produzem corpos resistentes chamados gêmulas, que contêm células totipotentes e espículas especializadas (gemoscleras). As gêm
Iheringia, Sér. Zool.. Publicado em: 10/01/2020
-
2. Induction of cell migration and activation in mice by the freshwater sponge Drulia uruguayensis Bonetto & Ezcurra de Drago, 1968 (Porifera: Metaniidae)
Freshwater sponges are abundant in the Amazon region and they have been known to cause dermatitis (acute inflammation) since the beginning of the 20th century. To determine whether additional constituents, besides their body spicules, cause dermatological reactions in humans, an experimental study was developed and carried out using mice and Drulia uruguayen
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2011
-
3. Sistemática de Chironomidae (Insecta: Diptera) associados a esponjas de água doce
The first reports of Chironomidae in sponges date from the beginning of the 20th century, beginning with Xenochironomus Kieffer and Demeijerea Kruseman in North America. Since then, few species in these genera have been described and it was not until 2004 that a species in another genus (Oukuriella Epler) was reported as having larvae living in freshwater sp
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 31/05/2010
-
4. Espongofauna do peleolago cemitério, Catalão, GO.
O Afloramento Paleolago Cemitério, localizado na mina de fosfato a céu aberto da "Ultrafértil", município de Catalão, Goiás, possui depósito originado pelo preenchimento de uma depressão na parte central do Complexo Carbonatítico de Catalão I, onde sedimentos lacustres, ricos em espículas de esponjas, assentam discordantemente sobre um domo de roc
Publicado em: 2009
-
5. Esponjas (Porifera, Demospongiae) indicadoras ambientais na APA Meandros do Rio Araguaia, Brasil.
A first survey for freshwater sponges was carried out at the protected Amazonian area of Meandros do Rio Araguaia, at the Brazilian states of Tocantins, Mato Grosso and Goiás. The survey aimed to sample the largest number of different freshwater habitats from this Amazonian clear waters area. It was carried out at different GPS registered sampling stations,
Publicado em: 2007
-
6. Freshwater sponge spicules: a new agent of ocular pathology
In a recent outbreak of human ocular injuries that occurred in the town of Araguatins, at the right bank of Araguaia river, state of Tocantins, Brazil, along the low water period of 2005, two patients (8 and 12-year-old boys) presented inferior adherent leukoma in the left eye (OS), and peripherical uveites, with snowbanking in the inferior pars plana. The t
Memórias do Instituto Oswaldo Cruz. Publicado em: 2006-12
-
7. Records of oligochaetes in freshwater sponges, on bryozoans, and on colonial hydrozoans from Brazil
Brazilian Journal of Biology. Publicado em: 2005-02
-
8. Species of Oukuriella Epler (Diptera, Chironomidae) inside freshwater sponges in Brazil
Espécies de Oukuriella Epler (Diptera, Chironomidae) no interior de esponjas de água doce no Brasil. Larvas de Oukuriella Epler, 1986 no interior de esponjas de água doce são registradas pela primeira vez no Brasil.
Revista Brasileira de Entomologia. Publicado em: 2004-06
-
9. Comunidades de esponjas do curso superior dos rios Paraná (Goiás) e Paraguai (Mato Grosso), Brasil, com redescrição de Oncosclera schubarti (Bonetto & Ezcurra de Drago)
An extensive survey for freshwater sponges was carried at the temporarely exposed rocky bottoms of river Corumbá at Goiás State and river Manso at Mato Grosso State. The exposure resulted from the closing of the dams for lake formation at the respective Hidreletric Power Plants. Drulia uruguayensis Bonetto & Ezcurra de Drago, 1968, Corvospongilla seckti Bo
Revista Brasileira de Zoologia. Publicado em: 2002-03
-
10. Cellular src gene product detected in the freshwater sponge Spongilla lacustris.
Serum from Rous sarcoma virus tumor-bearing rabbits immunoprecipitated from extracts of the freshwater sponge Spongilla lacustris a tyrosine-specific protein kinase with characteristics similar to the chicken pp60c-src kinase activity. An immune competition assay confirmed the relationship between the protein from sponges and viral pp60v-src.
-
11. Molecular Evidence for a Uniform Microbial Community in Sponges from Different Oceans
Sponges (class Porifera) are evolutionarily ancient metazoans that populate the tropical oceans in great abundances but also occur in temperate regions and even in freshwater. Sponges contain large numbers of bacteria that are embedded within the animal matrix. The phylogeny of these bacteria and the evolutionary age of the interaction are virtually unknown.
American Society for Microbiology.
-
12. Aluminum-dependent regulation of intracellular silicon in the aquatic invertebrate Lymnaea stagnalis
Silicon is essential for some plants, diatoms, and sponges but, in higher animals, its endogenous regulation has not been demonstrated. Silicate ions may be natural ligands for aluminum and here we show that, in the freshwater snail (Lymnaea stagnalis), intracellular silicon seems specifically up-regulated in response to sublethal aluminum exposure. X-ray mi
The National Academy of Sciences.