Results 11 to 20 of about 2,602 (216)

Dermato-cosmeceutical properties of Pseudobombax ellipticum (Kunth) Dugand: Chemical profiling, in vitro and in silico studies. [PDF]

Saudi Pharm J, 2023
Plant extracts and their individual components have been used to manage skin aging for several decades. Recently, the discovery of new natural bioactive agents, that not only enhance the skin health but also offer protection against various deleterious factors, such as free radicals, ultraviolet radiation, and microbial infections, has been a potential
Fikry E, Mahdi I, Buğra Ortaakarsu A, Tawfeek N, Adhiambo Ochieng M, Ben Bakrim W, Ao Abdelfattah M, Omari KW, Mahmoud MF, Sobeh M.   +9 more
europepmc   +5 more sources

Sexual Selection Associated With an Aggressive Male Phenotype Reduces Population Size and Hinders Population Recovery After Heat Stress. [PDF]

Ecol Lett
Using experiments on soil mites, we show that sexual selection associated with an armed and aggressive male phenotype can reduce population size and stability, which lowers their resilience against acute heat stress. These effects linked with armed and aggressive phenotypes underline the importance of sexual selection in mediating population dynamics ...
Pandey N, Porwal N, Parrett JM, Radwan J, Knell RJ, Cameron TC.   +5 more
europepmc   +2 more sources

Effects of genetic vs. environmental quality on condition-dependent morphological and life history traits in a neriid fly. [PDF]

J Evol Biol, 2022
In many animals (like the neriid flies below), the expression of male condition‐dependent traits is influenced by both genetic and environmental quality. We show that the environmental component has much more consistent effects on trait expression. Our findings raise questions about the potential for condition‐dependent traits to signal genetic quality.
Hooper AK, Bonduriansky R.
europepmc   +2 more sources

Strong spatial population structure shapes the temporal coevolutionary dynamics of costly female preference and male display. [PDF]

Evolution, 2022
Abstract Female mating preferences for exaggerated male display traits are commonplace. Yet, comprehensive understanding of the evolution and persistence of costly female preference through indirect (Fisherian) selection in finite populations requires some explanation for the persistence of additive genetic variance (Va) underlying sexual traits, given
Tschol M, Reid JM, Bocedi G.
europepmc   +2 more sources

Evolution of crop phenotypic spaces through domestication. [PDF]

New Phytol
Summary We used domestication as an in vivo replicated experiment to investigate how divergent selection has shaped the evolution of multivariate phenotypic spaces. We measured 11–57 qualitative and quantitative traits in 13 species, either unique or shared between species, and established a framework for cross‐species comparisons. Our results revealed
Wojcik A, Belcram H, Rousselet A, Bouët M, Brault M, Serin P, Desprez A, Rincent R, Peil A, Henry K, Marchal C, Lacombe T, Glémin S, Alix K, Gérard PR, Manicacci D, Vigouroux Y, Dogimont C, Tenaillon MI.   +18 more
europepmc   +2 more sources

A century of theories of balancing selection. [PDF]

Biol Rev Camb Philos Soc
ABSTRACT Traits that affect organismal fitness are often highly genetically variable. This genetic variation is vital for populations to adapt to their environments, but it is also surprising given that nature – after all – ‘selects’ the best genotypes at the expense of those that fall short.
Ruzicka F, Zwoinska MK, Goedert D, Kokko H, Li Richter XY, Moodie IR, Nilén S, Olito C, Svensson EI, Czuppon P, Connallon T.   +10 more
europepmc   +2 more sources

A new combination and taxonomic notes in Pseudobombax Dugand (Malvaceae). [PDF]

PhytoKeys, 2017
Taxonomic notes in the Neotropical genus Pseudobombax (Malvaceae) are presented. One new combination and two new heterotypic synonyms for taxa originally described from Brazil and Ecuador are proposed based on both morphological and previously published molecular evidence.
Carvalho-Sobrinho JG, Dorr LJ.
europepmc   +5 more sources

Environmental heterogeneity influences liana community differentiation across a Neotropical rainforest landscape. [PDF]

Ecol Evol
By analyzing liana community variation among land units (LUs) that differ in geomorphology and soil properties along a 640‐ha tropical rainforest landscape in a neotropical reserve, we found strong evidence supporting our hypothesis that environmental heterogeneity, as represented by discrete LUs, promotes differentiation in liana composition across ...
Ek-Rodríguez IL, Meave JA, Navarrete-Segueda A, González-Arqueros ML, Ibarra-Manríquez G.   +4 more
europepmc   +2 more sources

Hidden genetic variation in plasticity provides the potential for rapid adaptation to novel environments

New Phytologist, Volume 239, Issue 1, Page 374-387, July 2023., 2023
Summary Rapid environmental change is forcing populations into environments where plasticity will no longer maintain fitness. When populations are exposed to novel environments, evolutionary theory predicts that genetic variation in fitness will increase and should be associated with genetic differences in plasticity. If true, then genetic variation in
Greg M. Walter, James Clark, Delia Terranova, Salvatore Cozzolino, Antonia Cristaudo, Simon J. Hiscock, Jon Bridle   +6 more
wiley   +1 more source

Comparative wood anatomy and origin of woodiness in subfamilies Secamonoideae and Asclepiadoideae (Apocynaceae)

TAXON, Volume 71, Issue 6, Page 1230-1250, December 2022., 2022
Abstract The Apocynaceae subfamilies Secamonoideae and Asclepiadoideae have undergone several transitions during their evolution with regard to growth form and degree of woodiness. In this study, we present a wood anatomical overview of both subfamilies that complements previous work on the remaining Apocynaceae.
Vicky Beckers, Alessandro Rapini, Erik Smets, Frederic Lens   +3 more
wiley   +1 more source