Results 1 to 10 of about 197,580 (150)

Identifying Key Biodiversity Areas Based on Distinct Genetic Diversity. [PDF]

Mol Ecol Resour
ABSTRACT Key Biodiversity Areas (KBAs) are sites that contribute significantly to the global persistence of biodiversity. Distinct genetic diversity has been introduced as one of the metrics to estimate whether a site holds a threshold proportion of a species' global genetic diversity during the KBA identification process.
Gronefeld SC, López H, Schmidt R, Hochkirch A.   +3 more
europepmc   +2 more sources

Patterns of Interploidy Admixture in Polyploid Complexes: Insights From Thymus Sect. Mastichina (Lamiaceae). [PDF]

Mol Ecol
ABSTRACT Understanding gene flow between ploidy levels in polyploid complexes is essential for species delimitation and conservation. This study explores evolutionary dynamics in the polyploid complex Thymus sect. Mastichina (Lamiaceae), comprising three taxa: T. mastichina subsp. mastichina, T. mastichina subsp.
García-Cárdenas FJ, Ortiz MÁ, Del Valle JC, Doblas-Pruvost D, de la Estrella M, Nieto-Lugilde D, Pokorny L, Berjano R.   +7 more
europepmc   +2 more sources

Paciente masculino con cariotipo 46 XX negativo para el gen SRY y sin ambigüedad genital: reporte de un caso [PDF]

Biomédica: revista del Instituto Nacional de Salud, 2019
En la mayoría de los casos, la diferenciación sexual masculina ocurre con la participación del gen SRY. Sin embargo, se pueden presentar otros genotipos excepcionales, como en el caso que se presenta en este reporte.
Andrea Casas-Vargas, Johanna Galvis, Jenny Blanco, Laura Rengifo, William Usaquén, Harvy Velasco   +5 more
doaj   +2 more sources

Caracterización genética de lotes de Brycon orbignyanus utilizados en programas de repoblamiento [PDF]

Revista Mvz Cordoba, 2008
Objetivo. Caracterizar genéticamente dos lotes y una progenie de Brycon orbignyanus destinados para programas de repoblamiento, utilizando la técnica molecular de RAPD (Ran- dom amplified polymorphic DNA). Materiales y métodos.
Nelson Lopera, Lauro Vargas, Danilo Streit, Patricia Gomes, Jayme Povh, Rodolfo Sirol, Ricardo Ribeiro   +6 more
doaj   +2 more sources

Variación genética de cuatro especies de árboles tropicales de la Reserva de la Biosfera Selva El Ocote, Chiapas, México

Acta Botanica Mexicana, 2021
Antecedentes y Objetivos: La variación genética de especies de árboles es escasamente conocida para los bosques tropicales de México. El objetivo fue analizar la diversidad genética de Brosimum alicastrum (Moraceae) y Sapium macrocarpum (Euphorbiaceae) (
Lorena Ruiz-Montoya, María Zenaida López-López, Consuelo Lorenzo, Maricela García-Bautista, Neptalí Ramírez-Marcial   +4 more
doaj   +1 more source

Replicate contact zones suggest a limited role of plumage in reproductive isolation among subspecies of the variable seedeater (Sporophila corvina)

Molecular Ecology, Volume 32, Issue 13, Page 3586-3604, July 2023., 2023
Abstract After establishing secondary contact, recently diverged populations may remain reproductively isolated or may hybridize to a varying extent depending on factors such as hybrid fitness and the strength of assortative mating. Here, we used genomic and phenotypic data from three independent contact zones between subspecies of the variable ...
Diego Ocampo, Kevin Winker, Matthew J. Miller, Luis Sandoval, J. Albert C. Uy   +4 more
wiley   +1 more source

Caracterización molecular con marcadores ISSR de la colección de cítricos de la Universidad de los Llanos

Revista de Investigación Agraria y Ambiental, 2021
Contextualización: los cítricos son una de las especies arbóreas más cultivadas en todo el mundo. Poseen una gran importancia económica por su producción es mayor a cualquier otro frutal.    Vacío de conocimiento: pese a la gran demanda de cítricos
Christian Camilo Castañeda Cardona, Rogelio Portela Puerta, Yacenia Morillo Coronado   +2 more
doaj   +1 more source

Spatial models can improve the experimental design of field‐based transplant gardens by preventing bias due to neighborhood crowding

Ecology and Evolution, Volume 12, Issue 12, December 2022., 2022
Neighborhood interactions in common gardens: spatial models provide novel insights into spatial interactions among neighboring plants that can alter experimental outcomes. While the paper presents two approaches to the treatment of spatial interactions, it also outlines opportunities for incorporating genotype‐mediated biotic interactions into designs ...
Andrii Zaiats, Juan M. Requena‐Mullor, Matthew J. Germino, Jennifer S. Forbey, Bryce A. Richardson, T. Trevor Caughlin   +5 more
wiley   +1 more source

Evolution of fruit and seed traits during almond naturalization

Journal of Ecology, Volume 110, Issue 3, Page 686-699, March 2022., 2022
Almond naturalization is consistent with strong directional selection on fruits and seeds, leading to smaller and more toxic seeds encased in harder endocarps. Accordingly, we propose that feralization of this crop is, at least to some degree, driven by adaptive evolution of dispersal and recruitment traits.
Andrés Barea‐Márquez, Francisco J. Ocaña‐Calahorro, Rodrigo Balaguer‐Romano, José María Gómez, Eugene W. Schupp, Raquel Sánchez‐Pérez, Jesús Guillamón, Joanna Zhang, Rafael Rubio de Casas   +8 more
wiley   +1 more source

The seasonally dry tropical forest species Cavanillesia chicamochae has a middle Quaternary origin

Biotropica, Volume 54, Issue 1, Page 91-99, January 2022., 2022
We use DNA sequence data to understand the evolutionary history of the genus Cavanillesia (Malvaceae), with particular emphasis on C. chicamochae, an emblematic succulent‐trunked tree endemic to seasonally dry tropical forests (SDTFs) of the Chicamocha Canyon of Colombia, South America.
Christine D. Bacon, Natalia Gutiérrez‐Pinto, Suzette Flantua, Diego Castellanos Suárez, Carlos Jaramillo, R. Toby Pennington, Alexandre Antonelli   +6 more
wiley   +1 more source