Results 1 to 10 of about 3,705 (75)

Restriction site heteroplasmy in the mitochondrial DNA of Brycon opalinus (Cuvier, 1819) (Characiformes, Characidae, Bryconiae)

open access: yesBrazilian Journal of Medical and Biological Research, 2004
Homoplasmy is a feature usually found in the mtDNA of higher animal taxa. On the other hand, the presence of two classes of mtDNA in the same cell or organism is rare and may appear in length or site variation.
José Eduardo Krieger   +2 more
exaly   +4 more sources

Cytogenetic and Molecular Data Demonstrate that the Bryconinae (Ostariophysi, Bryconidae) Species from Southeastern Brazil Form a Phylogenetic and Phylogeographic Unit. [PDF]

open access: yesPLoS ONE, 2015
Brycon spp. occur in Neotropical watersheds to the west and east of the Andes, and as they are sensitive to anthropogenic changes, many these species are endangered in southeastern Brazil.
Natália Martins Travenzoli   +5 more
doaj   +2 more sources

The role of riverine forests for food supply for the omnivorous fish Brycon opalinus Cuvier, 1819 (Characidae) in the Serra do Mar, Southeast Brazil O papel das florestas ribeirinhas na alimentação do peixe onívoro Brycon opalinus (Characidae) na Serra do Mar, sudeste do Brasil [PDF]

open access: yesBrazilian Journal of Biology, 2008
The purpose of this study was to characterize the diet of the fish Brycon opalinus (Characidae) seasonally and locally, allowing for the determination of its food items and trophic relations with the aquatic and terrestrial environments.
LM. Gomiero, AG. Manzatto, FMS. Braga
doaj   +2 more sources

Transferability of heterologous microsatellite primers in Brycon gouldingi

open access: yesCiência Rural, 2018
: Brycon gouldingi is a species of neotropical fish of socioeconomic and environmental importance in the Tocantins-Araguaia Basin. Genetic studies on this species are still limited, making it difficult to evaluate the population structure and genetic ...
Felipe Pinheiro de Souza   +6 more
doaj   +2 more sources

Cross-amplification of heterologous microsatellite markers in Piracanjuba

open access: yesCiência Rural, 2017
: Brycon orbignyanus, popularly known in Brazil as piracanjuba, is a fish with great economic value but whose natural population drastically decreased in number during the last years.
Pedro Luiz de Castro   +8 more
doaj   +3 more sources

Relação peso-comprimento e fator de condição de Brycon opalinus (Pisces, Characiformes) no Parque Estadual da Serra do Mar- Núcleo Santa Virgínia, Mata Atlântica, Estado de São Paulo, Brasil - DOI: 10.4025/actascibiolsci.v28i2.1034

open access: yesActa Scientiarum: Biological Sciences, 2008
Foram analisados a relação peso-comprimento e o fator de condição de Brycon opalinus, em três rios do Parque Estadual da Serra do Mar-Núcleo Santa Virgínia, Estado de São Paulo.
Leandro Muller Gomiero   +1 more
doaj   +2 more sources

Muscle biopsy technique for electrophoresis analysis of fish from the genus Brycon

open access: yesGenetics and Molecular Biology, 1999
Protein and mitochondrial DNA have been used as molecular markers to assess variability in stock identification studies of fishes. Protein and mtDNA used for electrophoretic analysis are extracted from tissues, which often leads to death of the ...
Alexandre Hilsdorf   +2 more
doaj   +2 more sources

Reprodução induzida da pirapitinga-do-sul, Brycon opalinus (Cuvier, 1819), mantida em condições de confinamento

open access: yesRevista Brasileira De Zootecnia, 2002
Este estudo foi conduzido com o objetivo de obter a reprodução da pirapitinga-do-sul, Brycon opalinus, por intermédio da aplicação de hormônios indutores e determinar a distribuição de freqüência dos diâmetros dos ovócitos em fêmeas aptas à indução ...
Massuka Yamane Narahara   +3 more
exaly   +2 more sources

Transferability of heterologous primers in Brycon falcatus [PDF]

open access: yesActa Amazonica, 2020
The genusBryconcomprises fish species of significant socioeconomic and biological importance in Brazil. Despite that, the genetic knowledge about these species is scarce, especially regardingBrycon falcatus.
Diego dos Santos PENHA   +9 more
doaj   +1 more source

Diversidad genética de piracanjuba usada en programas de repoblación con marcadores microsatélites Genetic diversity of piracanjuba used in stock enhancement programs with microsatellite markers

open access: yesPesquisa Agropecuária Brasileira, 2010
El objetivo de este trabajo fue estimar la diversidad genética de un lote de Brycon orbignyanus usado en programas de repoblación, a través de marcadores microsatélites.
Maria del Pilar Rodriguez-Rodriguez   +6 more
doaj   +1 more source

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