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AbstractTrait evolution depends both on the direct fitness effects of specific traits and on indirect selection arising from genetically correlated traits. Although well established in plants and animals, the role of trait correlations in microbial evolution remains a major open question. Here, we tested whether genetic correlations in a suite of metabolic traits are conserved between two sister lineages of fungal endophytes and whether phenotypic divergence between lineages occurred in the direction of the multivariate trait combination containing the most genetic variance within lineages (i.
View Article and Find Full Text PDFRandom Mating in a Hybrid Zone Between Two Putative Climate-Adapted Bird Lineages With Predicted Mitonuclear Incompatibilities.
Mol Ecol
December 2024
School of Biological Sciences, Monash University, Clayton, Victoria, Australia.
Biochemical and evolutionary interactions between mitochondrial and nuclear genomes ('mitonuclear interactions') are proposed to underpin fundamental aspects of biology including evolution of sexual reproduction, adaptation and speciation. We investigated the role of pre-mating isolation in maintaining functional mitonuclear interactions in wild populations bearing diverged, putatively co-adapted mitonuclear genotypes. Two lineages of eastern yellow robin Eopsaltria australis-putatively climate-adapted to 'inland' and 'coastal' climates-differ by ~7% of mitogenome nucleotides, whereas nuclear genome differences are concentrated into a sex-linked region enriched with mitochondrial functions.
View Article and Find Full Text PDFGenotype-by-Environment Effects of Cis-Variations in the Atgl Promoter Mediate the Divergent Pattern of Phenotypic Plasticity for Temperature Adaptation in Two Congeneric Oyster Species.
Mol Ecol
December 2024
Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture (CAS), Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.
Phenotypic plasticity plays an essential role in adaptive evolution. However, the molecular mechanisms of how genotype-by-environment interaction (G × E) effects shape phenotypic plasticity in marine organisms remain poorly understood. The crucial temperature-responsive trait triacylglycerol (TAG) content and its major gene adipose triglyceride lipase (Atgl) expression have divergent plastic patterns in two congeneric oyster species (Crassostrea gigas and Crassostrea angulata) to adapt to relative-cold/northern and relative-warm/southern habitats, respectively.
View Article and Find Full Text PDF, a maize NF-Y transcription factor, positively regulates drought and salt stress response in .
GM Crops Food
December 2025
College of Agronomy, Jilin Agricultural University, Changchun, China.
Maize ( L.) is a major food and feed crop and an important raw material for energy, chemicals, and livestock. The NF-Y family of transcription factors in maize plays a crucial role in the regulation of plant development and response to environmental stress.
View Article and Find Full Text PDFInsecticide application prevents honey bees from realizing benefits of native forage in an agricultural landscape.
Sci Total Environ
December 2024
Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, USA; Department of Plant Pathology, Entomology and Microbiology, Iowa State University, Ames, IA, USA. Electronic address:
Health and population status of bees is negatively affected by anthropogenic stressors, many of which co-occur in agricultural settings. While pollinator habitat (often involving plantings of native forbs) holds promise to benefit both managed and wild bees, important issues remain unresolved. These include whether conventional, broad-spectrum insecticide use negates these benefits and how non-native, managed honey bees affect wild bees in these areas.
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