Results 11 to 20 of about 53,668 (171)
Climate and hybridization shape stomatal trait evolution in Populus. [PDF]
Summary Stomata play a critical role in regulating plant responses to climate. Where sister species differ in stomatal traits, interspecific gene flow can influence the evolutionary trajectory of trait variation, with consequences for adaptation. Leveraging six latitudinally distributed contact zones spanning the natural hybrid zone between Populus ...
Zavala-Paez M +4 more
europepmc +2 more sources
Patterns of Interploidy Admixture in Polyploid Complexes: Insights From Thymus Sect. Mastichina (Lamiaceae). [PDF]
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 +7 more
europepmc +2 more sources
Chromosome-scale reference genome of <i>Pectocarya recurvata</i>, the species with the smallest reported genome size in Boraginaceae. [PDF]
Abstract Premise Pectocarya recurvata (Boraginaceae, subfamily Cynoglossoideae), a species native to the Sonoran Desert (North America), has served as a model system for a suite of ecological and evolutionary studies. However, no reference genomes are currently available in Cynoglossoideae. A high‐quality reference genome for P.
Northing PC +3 more
europepmc +2 more sources
Treating activated regulatory T cells with pramipexole protects human dopaminergic neurons from 6-OHDA-induced degeneration. [PDF]
Pramipexole‐treated, activated regulatory T cells protect dopaminergic neurons against 6 OHDA damage and promote primary neurite length. This could be due to the production of the regulatory cytokine IL‐10 and an increased expression of genes related to regulation and neuroprotection.
Guevara-Salinas A +10 more
europepmc +2 more sources
The Computer-Assisted Sequence Annotation (CASA) workflow for enzyme discovery. [PDF]
Abstract Premise With the advent of inexpensive nucleic acid sequencing and automated annotation at the level of basic functionality, the central problem of enzyme discovery is no longer finding active sequences, it is determining which ones are suitable for further study.
Takahashi GR +3 more
europepmc +2 more sources
La sistemática de las especies maderables, económicamente importantes y en peligro de extinción enGuaiacum aún no aclara con respeto a la clasificación taxonómica y las relaciones entre los taxa. Esto se debeparcialmente a la falta de rasgos diagnósticos y a reducidas muestras geográficas en estudios previos.
Joseph R. Dertien, Melvin R. Duvall
openaire +2 more sources
En Colombia, las actividades relacionadas con organismos genéticamente modificados (OGM) deben estar respaldadas por evaluaciones de los riesgos que ellas puedan representar para la diversidad biológica, la salud humana y la producción agropecuaria.
BENAVIDES-MOLINEROS JULIA +1 more
doaj +2 more sources
Aspectos de genética poblacional en Mesoamérica
No se sabe si la variabilidad de una población en tiempos prehispánicos conformaba una población conjunta de distintos orígenes si convivía como grupo cultural pero separada en estratos (de distinto origen), o bien, si su diversidad era semejante a ...
Blanca Zoila González Sobrino
doaj +1 more source
En el año 2006 se identificó el primer movimiento transfronterizo de peces cebra fluorescentes al territorio peruano. Se tiene poco conocimiento del posible impacto ambiental ante la liberación descontrolada de estos peces transgénicos fluorescentes.
Carlos Scotto
doaj +1 more source
Este trabajo presenta una actualización sobre la distribución de las formas silvestres de fríjol común en Costa Rica, su ecología y su caracterización molecular.
Rosa Inés González-Torres +3 more
doaj +1 more source

