| genetic characterization of a juquitiba-like viral lineage in oligoryzomys nigripes in rio de janeiro, brazil. | hantaviruses, family bunyaviridae, are rodent-borne rna viruses that have caused cases of hantavirus cardiopulmonary syndrome (hcps) in various regions of the americas. there are five hantaviral lineages associated with hcps in brazil: juquitiba virus (juqv), araraquara virus (arav), laguna negra-like virus (lnv), castelo dos sonhos virus (casv), and anajatuba virus (anajv). three additional hantaviruses have been described in rodents alone: rio mearim virus, jaborá virus, and a hantavirus linea ... | 2009 | 19660427 |
| a fatal hantavirus pulmonary syndrome misdiagnosed as dengue: an investigation into the first reported case in rio de janeiro state, brazil. | we report the results of an investigation into a fatal case of hantavirus pulmonary syndrome (hps) in rio de janeiro state, brazil, where the disease had not been reported previous to 2015. following the notification of an hps case, serum samples were collected from the household members and work contacts of the hps patient and tested for antibody to hantaviruses. seroprevalence of 22% (10/45) was indicated for hantavirus out of 45 human samples tested. blood and tissue samples were collected fr ... | 2017 | 28719302 |
| variation in the helminth community structure of three sympatric sigmodontine rodents from the coastal atlantic forest of rio de janeiro, brazil. | one hundred and eighty specimens of sigmodontine rodents living in sympatric conditions were collected in the atlantic forest in the state of rio de janeiro, brazil (25 akodon cursor, 98 akodon montensis and 57 oligoryzomys nigripes) to examine whether the helminth structure and component communities can be characterized among these three closely related rodents. the parasite species richness was 9 in a. cursor, 12 in a. montensis and 12 in o. nigripes. five species were common to the three rode ... | 2011 | 20701831 |
| a new heligmonellid species (nematoda) from oligoryzomys nigripes (rodentia: sigmodontinae) in the atlantic forest, brazil. | stilestrongylus lanfrediae n. sp. is described from the small intestine of oligoryzomys nigripes (cricetidae: sigmodontinae) collected in the atlantic forest (rio de janeiro state, teresópolis, brazil). the new species shows some similarities to stilestrongylus stilesi, stilestrongylus freitasi, stilestrongylus inexpectatus, stilestrongylus moreli, and stilestrongylus andalgala, but it can be distinguished from these species by the following combination of characters: 26 ridges in males and 25 i ... | 2009 | 19642806 |
| small mammal populations of an agroecosystem in the atlantic forest domain, southeastern brazil. | this study reports 2 years of the population dynamics and reproduction of a small mammal community using the removal method. the study was conducted in a rural area of the atlantic forest, in sumidouro, rio de janeiro state, brazil. the population sizes, age structure and reproduction were studied for the four most common species in the study area. the overall diversity was 1.67 and ranged between 0.8 to 1.67. the species richness was 13 considering the whole study. the most abundant species wer ... | 2007 | 17505767 |