Goldfish
Mostrando 1-12 de 106 artigos, teses e dissertações.
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1. Small-scale environmental enrichment and exercise enhance learning and spatial memory of Carassius auratus, and increase cell proliferation in the telencephalon: an exploratory study
Carassius auratus is a teleost fish that has been largely used in behavioral studies. However, little is known about potential environmental influences on its performance of learning and memory tasks. Here, we investigated this question in C. auratus, and searched for potential correlation between exercise and visuospatial enrichment with the total number of
Braz J Med Biol Res. Publicado em: 25/04/2019
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2. NÃveis de fÃsforo em dietas para Kinguio (Carassius auratus) / Phosphorus levels in diets for Goldfish (Carassius auratus)
A alimentaÃÃo balanceada à de fundamental importÃncia para o sucesso da piscicultura, tendo em vista que representa a maior parte dos custos de produÃÃo. Considerando que os peixes possuem a capacidade de absorver certos minerais presentes na Ãgua, a quantidade de fÃsforo absorvida nÃo à suficiente para o adequado desenvolvimento dos animais, quand
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/07/2012
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3. Validação da preferência claro/escuro como modelo comportamental de ansiedade no Carassius auratus (peixe dourado) / Validation of the light/dark preference as a behavioral model of anxiety in Carassius auratus (goldfish).
A validação de um modelo experimental para se investigar a ansiedade deve estar baseada inicialmente em uma validação comportamental paramétrica, que pressupõe a investigação de respostas relacionadas ao comportamento de defesa da espécie frente às situações aversivas presentes no ambiente de exposição. Assim, o presente trabalho validou a pref
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/08/2011
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4. Collaborative studies to evaluate the chemical composition of feeds / Estudos colaborativos para avaliação da composição química de alimentos
Objetivou-se conduzir estudos colaborativos para avaliação dos teores de matéria seca (MS), fibra em detergente neutro (FDN), proteína bruta (PB), extrato etéreo (EE), matéria mineral (MM) e fibra indigestível em detergente neutro (FDNi) e em detergente ácido (FDAi) em alimentos. Todos os sete laboratórios participantes do estudo pertenciam a instit
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/02/2011
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5. Modulation of rhodopsin gene expression and signaling mechanisms evoked by endothelins in goldfish and murine pigment cell lines
Endothelins (ETs) and sarafotoxins (SRTXs) belong to a family of vasoconstrictor peptides, which regulate pigment migration and/or production in vertebrate pigment cells. The teleost Carassius auratus erythrophoroma cell line, GEM-81, and Mus musculus B16 melanocytes express rhodopsin, as well as the ET receptors, ETB and ETA, respectively. Both cell lines a
Brazilian Journal of Medical and Biological Research. Publicado em: 2010-09
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6. Efeitos da L-histamina e de antagonistas histaminérgicos sobre a recuperação funcional após hemilabirintectomia em Carassius auratus.
O objetivo deste estudo foi verificar os efeitos da histamina sobre o processo de recuperação funcional, após hemilabirintectomia em peixes da espécie Carassius auratus. Para tanto, foram utilizados a L-histidina, um precursor histaminérgico e antagonistas dos receptores H1, H2 e H3, sendo a clorfeniramina, antagonista H1, a zolantidina antagonista H2 e
Publicado em: 2006
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7. Suppression of interferon synthesis by the pesticide carbaryl as a mechanism for enhancement of goldfish virus-2 replication.
Interferon production was demonstrated by the goldfish-derived CAR cell line in response to infection by goldfish virus-2. Supernatants of infected cultures provided antiviral protection to CAR cells and another cell line derived from goldfish, ABIII. The protective factor retained activity after ultracentrifugation, dialysis, freezing and thawing, acid trea
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8. Immunoglobulin heavy chain variable region gene evolution: structure and family relationships of two genes and a pseudogene in a teleost fish.
Nucleotide sequences for two immunoglobulin heavy chain variable region (VH) genes and one pseudogene in the goldfish (Carassius auratus) and the family relationships and distribution of these genes in individual fish are presented. Comparison of the nucleotide and inferred amino acid sequences of goldfish and other vertebrate VH genes indicates that goldfis
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9. D-aspartate potentiates the effects of L-glutamate on horizontal cells in goldfish retina.
The amino acids L-glutamate and L-aspartate depolarize H1 horizontal cells in the perfused goldfish retina but only at millimolar concentrations. The effects of L-glutamate (but not of L-aspartate) are potentiated approximately 15-fold by exposure to D-aspartate. D-Aspartate blocks acidic amino acid uptake in goldfish retina, so that the potentiation of L-gl
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10. Molecular cloning of gefiltin (ON1): serial expression of two new neurofilament mRNAs during optic nerve regeneration.
The goldfish visual pathway displays a remarkable capacity for continued development and plasticity. The intermediate filament proteins of this pathway do not match the intermediate filament protein composition of adult higher vertebrate neurons, which lack the capacity for growth and development. Using a goldfish retina lambda gt10 library we isolated cDNA
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11. Characteristics and Pathogenicity of a Capsulated Pseudomonas Isolated from Goldfish
Characteristics of a capsulated bacterium isolated from an epizootic among goldfish (Carassius auratus) were determined as well as the ability of the bacterium to produce experimental infections. The bacterium was found to be a gram-negative rod which oxidized carbohydrates, produced green fluorescent pigment, and otherwise seemed to fit into the genus Pseud
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12. Homeobox genes are expressed in the retina and brain of adult goldfish.
The goldfish (Carassius auratus) visual pathway displays continuous growth and plasticity throughout life. Since homeobox genes are important transcriptional regulators in development, we searched for homeobox genes in the adult goldfish retina and brain. Using the PCR, we discovered a repertoire of homeobox sequences expressed in these tissues. In addition