Results 21 to 30 of about 1,460 (191)

Caracterización molecular de poblaciones venezolanas de Sigmodon hirsutus (Rodentia: Cricetidae)

open access: yesRevista de Biología Tropical, 2011
Recientes estudios filogenéticos basados en la secuencia del gen del citocromo b, han determinado que la especie conocida históricamente como Sigmodon hispidus (Rodentia) en Suramérica incluye una especie S. hirsutus de origen parafilético.
Janeth Lessmann   +2 more
doaj   +2 more sources

Population genetics and the role of dispersal barriers in the Antarctic springtail Kaylathalia klovstadi (Collembola, Isotomidae)

open access: yesJournal of Zoology, Volume 326, Issue 2, Page 109-120, June 2025.
Our study investigates the role of Tucker and Whitehall Glaciers as barriers to the dispersal of the springtail Kaylathalia klovstadi and examines its genetic population structure using mitochondrial DNA markers. Genetic analyses of 62 individuals from six populations reveal new insights into the species’ diversity and distribution, challenging ...
S. Boschi   +5 more
wiley   +1 more source

Tracing the origin of the alien pest Cydia pomonella in Algeria through a worldwide comparison of the species’ DNA barcodes Reserche de l'origine du ravageur exotique Cydia pomonella en Algérie grâce à une comparaison mondiale des codes‐barres ADN de l'espèce Rastreando el origen de la plaga exótica Cydia pomonella en Argelia mediante una comparación mundial de los códigos de barras del ADN de la especie

open access: yesAgricultural and Forest Entomology, Volume 27, Issue 2, Page 171-181, May 2025.
Cydia pomonella (Lepidoptera: Tortricidae) is a harmful apple and pear pest spread worldwide. We sequenced, for the first time, mitochondrial DNA from C. pomonella caterpillars collected in Northern Africa (Algeria) and assessed where it was introduced from.
Tayeb Mahi   +4 more
wiley   +1 more source

Estudo das PTMs do citocromo c cardíaco: efeitos do envelhecimento [PDF]

open access: yes, 2009
Mestrado em Métodos BiomolecularesOs mecanismos celulares e bioquímicos subjacentes à disfunção cardíaca associada ao envelhecimento encontram-se pouco esclarecidos e, menos compreendido é o papel do estilo de vida neste processo. No sentido de avaliar a
Padrão, Ana Isabel Martins Novais
core  

Diferenciação de Trichogramma Westwood, 1833 (Hymenoptera: Trichogrammatidae) com base no gene citocromo oxidase I (COI) e na região do espaço transcrito interno 2 (ITS2). [PDF]

open access: yes, 2021
O presente estudo teve como objetivo realizar a identificação molecular de amostras de Trichogramma obtidas a partir de diferentes hospedeiros, utilizando-se os marcadores moleculares citocromo oxidase I (COI) e a região do espaço transcrito interno 2 ...
SILVA, R. B. Q. da   +5 more
core  

Molecular markers for biodiversity analysis of wildlife animals: a brief review.

open access: yesAnimal Biodiversity and Conservation, 2009
Los marcadores moleculares constituyen unas herramientas indispensables para determinar la variación genética y la biodiversidad con un alto grado de precisión y reproductibilidad.
I. A. Arif, H. A. Khan
doaj   +3 more sources

Prevalência sorológica e molecular de Babesia bovis e Babesia bigemina em búfalos (Bubalus bubalis) na Ilha de Marajó, Pará

open access: yesPesquisa Veterinária Brasileira, 2013
O objetivo do estudo foi testar a prevalência sorológica e molecular de Babesia bovis e Babesia bigemina em búfalos da Ilha de Marajó, Pará. Foi utilizado ensaio de imunoadsorção enzimático indireto (iELISA) com antígeno total contendo proteínas de ...
Jenevaldo B. Silva   +7 more
doaj   +1 more source

Phylogeography of the Iberian endemic butterfly Erebia palarica Chapman, 1905 (Lepidoptera: Nymphalidae): An integrative approach Filoxeografía do endemismo ibérico Erebia palarica Chapman, 1905 (Lepidoptera: Nymphalidae): un enfoque integrador

open access: yesInsect Conservation and Diversity, Volume 17, Issue 4, Page 651-675, July 2024.
A double star‐like pattern in the COI haplotype network of Erebia palarica suggests a demographic expansion from two ancestral populations in this Iberian montane endemic. Seven microsatellite markers revealed a pattern of isolation by distance (IBD) along the Cantabrian Mountains, as opposed to different levels of genetic structure found in western ...
Laura Torrado‐Blanco   +4 more
wiley   +1 more source

Material suplementario - Patrones de diversificación genética de murciélagos del género Molossus en Argentina.

open access: yes, 2023
Material suplementario - Patrones de diversificación genética de murciélagos del género Molossus en Argentina. Figura Suplementaria 1: Árbol bayesiano obtenido de secuencias parciales del intron beta-fibrinogeno. Figura Suplementaria 2: Árbol bayesiano
Micaela Chambi (16427169)
core   +1 more source

Uncovering the magnitude of African pangolin poaching with extensive nanopore DNA genotyping of seized scales

open access: yesConservation Biology, Volume 38, Issue 2, April 2024.
Abstract Trade in pangolins is illegal, and yet tons of their scales and products are seized at various ports. These large seizures are challenging to process and comprehensively genotype for upstream provenance tracing and species identification for prosecution.
Darren Yeo   +26 more
wiley   +1 more source

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