Results 11 to 20 of about 3,071 (129)

Traversing the effects of ploidy changes in different Eragrostis curvula genotypes through high-throughput RNA sequencing. [PDF]

Plant Genome
Abstract Polyploidization has played a key role in plant genome evolution. Eragrostis curvula (Schrad.) Ness, a perennial forage grass species of the Poaceae family, is an excellent model for investigating genome duplication due to its natural variation in ploidy levels.
Santoro DF, Carballo J, Pasten MC, Gallo CA, Albertini E, Echenique V.   +5 more
europepmc   +2 more sources

Ageing in Honeybees: Telomere Length Is Driven by Climate and Resource Availability Rather Than Urbanisation or Pollution. [PDF]

Glob Chang Biol
We analysed telomere length in 981 honeybee foragers sampled across 57 sites spanning a ~1000 km gradient of urbanisation, environmental pollution, climate and floral resources in central Argentina. Telomere length declined with increasing mean annual temperature and floral abundance, while showing no association with urbanisation or chemical ...
Burraco P, Pérez-Méndez N, Graffigna S, Martínez LC, Haedo JP, Sciberras M, Maldonado MA, Torretta JP, Pompozzi G, Copperi S, Miranda F, Peralta G, Álvarez LJ, Pérez LI, Allasino ML, Diniz MER, Pascual-Tudanca MP, González-Vaquero R, Vázquez DP, Altamirano JC, Folarin BT, Poma G, Covaci A, Marrero HJ.   +23 more
europepmc   +2 more sources

A pangenome-based approach reveals genes associated with polyploidy and apomixis in Eragrostis curvula. [PDF]

Plant Genome
Abstract Eragrostis curvula is a forage grass species in which multiple cytotypes coexist and shifts between sexual and apomictic reproduction are common. This study investigates genetic variation among these cytotypes in relation to ploidy levels and reproductive modes.
Bongiorno G, Carballo J, Selva JP, Zappacosta D, Albertini E, Echenique V.   +5 more
europepmc   +2 more sources

Reproduction and Development in Calcareous Sponges: A Panorama of the Last Two Centuries. [PDF]

Mol Reprod Dev
ABSTRACT Nearly 200 years ago, scientists began examining reproductive cells in calcareous sponges (Calcarea, Porifera). Since then, 238 studies have been published, encompassing descriptions of gametes and embryos (including ultrastructural studies), life history, asexual reproduction, regeneration, and molecular aspects of development.
Cajado B, Lanna E.
europepmc   +2 more sources

Recuperación estructural y funcional de los espacios entre arbustos al cabo de 10 años de exclusión del pastoreo en una estepa semiárida del noreste de la Patagonia

Ecología Austral, 2012
En las estepas arbustivas del noreste de la Región Patagónica, el sobrepastoreo del ganado doméstico genera la formación de islas arbustivas distribuidas en una matriz degradada de suelo desnudo o con escasa cobertura vegetal.
Flavia A. Funk, Guadalupe Peter, Alejandro Loydi, Alicia I. Kröpfl, Roberto A. Distel   +4 more
doaj   +1 more source

Causal graph extraction from news: a comparative study of time-series causality learning techniques [PDF]

PeerJ Computer Science, 2022
Causal graph extraction from news has the potential to aid in the understanding of complex scenarios. In particular, it can help explain and predict events, as well as conjecture about possible cause-effect connections.
Mariano Maisonnave, Fernando Delbianco, Fernando Tohme, Evangelos Milios, Ana G. Maguitman   +4 more
doaj   +2 more sources

Energía solar fotovoltaica para producir hidrógeno por electrólisis

Ingenio Tecnológico, 2023
En las instalaciones solares fotovoltaicas suelen existir períodos de tiempo en los que se produce un exceso de electricidad. En los sistemas sin conexión a la red eléctrica, dicho exceso se puede almacenar en baterías para luego utilizarla en las horas
Adrián Gonnet, Carlos Mainetti, Eduardo Guillermo, Fernando Borja   +3 more
doaj   +4 more sources

Sistemas de microcogeneración que integran paneles fotovoltaicos con generadores de electricidad y calor combinados (CHP) y almacenamiento en batería

Ingenio Tecnológico, 2021
El desarrollo de microredes utilizando sistemas híbridos que incluyen microcogeneración resulta una interesante alternativa para mejorar la eficiencia en el abastecimiento de electricidad y confort térmico a los edificios.
Adrián Gonnet, Marcelo Anton, Carlos Mainetti, Eduardo Guillermo, Fernando Borja, Luciano Bournod   +5 more
doaj  

Social preferences are not enough: Accounting for anomalous behavior in a complex mixed-motive game.

Cuadernos de Economía, 2015
In some economic games, participants systematically display behavior that departs from the model of payoff maximization, and this is usually attributed to social preferences. In this paper we focus on a new interactive context, a mixed-motive game called
Rodrigo Moro, Esteban Freidin, Fernando Tohmé   +2 more
doaj   +1 more source

Alzheimer’s Disease as a Membrane Disorder: Spatial Cross-Talk Among Beta-Amyloid Peptides, Nicotinic Acetylcholine Receptors and Lipid Rafts

Frontiers in Cellular Neuroscience, 2019
Biological membranes show lateral and transverse asymmetric lipid distribution. Cholesterol (Chol) localizes in both hemilayers, but in the external one it is mostly condensed in lipid-ordered microdomains (raft domains), together with saturated ...
Camila Fabiani, Camila Fabiani, Silvia S. Antollini, Silvia S. Antollini   +3 more
doaj   +1 more source