Navegação Ciências Biológicas por Título
Resultados 1943-1962 de 3052
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Newborn screening for biotinidase deficiency in Brazil : biochemical and molecular characterizations
(2004) [Artigo de periódico]Biotinidase deficiency is an inherited metabolic disorder characterized by neurological and cutaneous symptoms. Fortunately, it can be treated and the symptoms prevented by oral administration of the vitamin biotin. Using ... -
Newborn screening for lysosomal disorders in Brazil : a pilot study using customized fluorimetric assays
(2020) [Artigo de periódico]Lysosomal storage disorders (LSDs) are a group of genetic disorders characterized by deficiency of specific lysosomal enzymes. In general, patients are clinically normal at birth, and progressively develop severe signs and ... -
A new device for step-down inhibitory avoidance task : effects of low and high frequency in a novel device for passive inhibitory avoidance task that avoids bioimpedance variations
(2015) [Artigo de periódico]Background Step-down inhibitory avoidance task has been widely used to evaluate aversive memory, but crucial parameters inherent to traditional devices that may influence the behavior analysis (as stimulus frequency, ... -
New evidence for balancing selection at the HLA-G locus in south amerindians
(2012) [Artigo de periódico]HLA-G is a non-classical HLA (Human Leukocyte Antigen) molecule characterized by limited tissue distribution under normal physiological conditions and low variability at both DNA and protein levels. Several studies suggest ... -
New findings in eNOS gene and thalidomide embryopathy suggest pre-transcriptional effect variants as susceptibility factors
(2016) [Artigo de periódico]Antiangiogenic properties of thalidomide have created an interest in the use of the drug in treatment of cancer. However, thalidomide is responsible for thalidomide embryopathy (TE). A lack of knowledge regarding the ... -
A new genus and species of characid fish from the Amazon basin - the recognition of a relictual lineage of characid fishes (Ostariophysi: Cheirodontinae: Cheirodontini)
(2008) [Artigo de periódico]Amazonspinther dalmata, um novo caracídeo miniatura de igarapés dos rios Purus e Madeira, afluentes da margem direita do rio Amazonas, é descrito como um novo gênero e nova espécie da subfamília Cheirodontinae. Os caracteres ... -
New histochemical and morphological findings in the female genital tract of Boophilus microplus (Acari, Ixodidae) : an attempt toward the elucidation of fertilization in ticks
(2005) [Artigo de periódico]Até o momento, não só o lugar da fertilização em carrapatos é desconhecido, mas também não é claro como este mistério possa ser esclarecido. Sinais de fertilização podem ser observados ao longo do trato genital feminino e ... -
New Hyphessobrycon from the upper rio Pardo drainage in eastern Brazil (Teleostei: Characiformes: Characidae)
(2007) [Artigo de periódico]Uma nova espécie de caracídeo, Hyphessobrycon vinaceus é descrita para o alto rio Pardo, Minas Gerais, Brasil. A nova espécie distingue-se das demais espécies de Hyphessobrycon pela combinação dos seguintes caracteres: ... -
New initiatives for brazilian aquatic plant data management
(2019) [Artigo de periódico] -
New insights of the local immune response against both fertile and infertile hydatid cysts
(2019) [Artigo de periódico]Background Cystic echinococcosis is caused by the metacestode of the zoonotic flatworm Echinococcus granulosus. Within the viscera of the intermediate host, the metacestode grows as a unilocular cyst known as hydatid cyst. ... -
New insights on Prestosuchus chiniquensis Huene, 1942 (Pseudosuchia, Loricata) based on new specimens from the “Tree Sanga” Outcrop, Chiniqua´ Region, Rio Grande do Sul, Brazil
(2016) [Artigo de periódico]The 'rauisuchians' are a group of Triassic pseudosuchian archosaurs that displayed a near global distribution. Their problematic taxonomic resolution comes from the fact that most taxa are represented only by a few and/or ... -
New insights on the biology of swine respiratory tract mycoplasmas from a comparative genome analysis
(2013) [Artigo de periódico]Background: Mycoplasma hyopneumoniae, Mycoplasma flocculare and Mycoplasma hyorhinis live in swine respiratory tracts. M. flocculare, a commensal bacterium, is genetically closely related to M. hyopneumoniae, the causative ... -
A new karyotype for the genus Cavia from a southern island of Brazil (Rodentia - Caviidae)
(1998) [Artigo de periódico]A variação cariotípica nas espécies de mamíferos é bastante comum e geralmente causada pela fusão de cromossomos acrocêntricos. Foi descrito neste trabalho um novo cariótipo, com 2n = 62 e FN = 112, para o gênero Cavia ... -
A new marseillevirus isolated in Southern Brazil from Limnoperna fortunei
(2016) [Artigo de periódico]Members of the family Marseilleviridae are giant viruses that have the ability to infect amoebas. Such viruses were initially described in 2009. Since then, this family has grown, and diverse members have been found in ... -
New microdeletion and microduplication syndromes : a comprehensive review
(2014) [Artigo de periódico]Several new microdeletion and microduplication syndromes are emerging as disorders that have been proven to cause multisystem pathologies frequently associated with intellectual disability (ID), multiple congenital anomalies ... -
A new miniature species of Odontocharacidium (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela
(2020) [Artigo de periódico]A new species of Odontocharacidium is described from the upper Río Orinoco basin, in Venezuela. The new species is distinguished from its only congener, Odontocharacidium aphanes, by the presence of: the antorbital, the ... -
A new mouth brooder species of Gymnogeophagus with hypertrophied lips (Cichliformes: Cichlidae)
(2018) [Artigo de periódico]A new mouth breeder species of Gymnogeophagus is described from a tributary of the río Uruguay. It is distinguished from most species of the genus by the presence of hypertrophied lips, and from G. labiatus and G. ... -
New oligocene cyprididae species (crustacea, ostracoda) from the tremembé formation, Taubaté Basin, Brazil, and their paleolimnological significance
(2018) [Artigo de periódico]Two new Oligocene ostracod species, Eucypris lobatoi sp. nov. and Potamocypris taubatensis sp. nov., are herein proposed. This is the first fossil record of these genera in Brazil, and the species identified occur in two ... -
New records of thrips (Thysanoptera) species in Brazil
(2010) [Artigo de periódico]This study reports four thrips species from Brazil for the first time: the terebrantians Aptinothrips rufus (Haliday) and Echinothrips caribbeanus Hood; and the tubuliferans Androthrips ramachandrai Karny and Gynaikothrips ... -
A new species and new record of Agistemus Summers (Acari: Stigmaeidae) associated with Capsicum annuum L. var. glabriusculum (Solanaceae) from Northeastern of Mexico
(2020) [Artigo de periódico]Two mite species belonging to the genus Agistemus Summers (Acari: Stigmaeidae) were collected from wild plants known as “chile piquín” (Capsicum anuumm L. var. glabriusculum) in two protected naturals areas, state of ...