460 papers
This study establishes a comprehensive expression-based developmental map of early neurogenesis in the chaetognath *Spadella cephaloptera*, revealing that despite its unique nervous system architecture, it exhibits conserved bilaterian molecular patterning features and spatiotemporal deployment of key neurogenic and axial genes.
This paper introduces a comprehensive, publicly accessible genomic database containing over 1,700 sequenced genomes of outcrossing *Arabidopsis lyrata* and *A. arenosa* that integrates population structure, geographic mapping, and genome-wide association study capabilities to facilitate research on local adaptation and comparative genetics.
This study reveals that the loss of ecdysone receptor genes in nematodes occurred multiple times independently rather than just in *Caenorhabditis*, proposing a novel evolutionary scenario where molting regulation is maintained through alternative nuclear receptors like HR3 and lineage-specific expansions of nuclear receptors.
The paper introduces **scoup**, an R-based Bioconductor tool that uniquely bridges phylogenetics and population genetics by simulating codon sequences under Darwinian selection through a novel fusion of the Halpern-Bruno mutation-selection model and the Ornstein-Uhlenbeck process.
This paper identifies and corrects statistical and structural biases in speciation and extinction rate estimators derived from phylogenetic trees, demonstrating that applying specific sample-size and extinction-fraction corrections significantly improves the accuracy of diversification rate inference under birth-death models.
This study reveals that rapid, bidirectional hybridization between native and invasive *Helicoverpa* moth species in Brazil has combined distinct pesticide resistance traits, enabling the pests to overcome Bt and pyrethroid defenses and threatening global food security through the exploitation of vast agricultural monocultures.
This paper proposes that sexual reproduction evolved as a population-wide feedback mechanism to identify and stabilize functionally critical "genomic firmware" at synonymous sites, a hypothesis supported by evidence that high-firmware genes exhibit significantly narrowed conservation variance and enrichment for core metabolic functions, distinct from the variable regulatory elements found in low-firmware genes.
By analyzing primary and public metatranscriptomic data, this study reveals the global distribution of the *Plasmodium vivax*-associated MaRNAV-1 across Southeast Asia, South America, and Oceania, confirming its exclusive association with *P. vivax* and suggesting a Southeast Asian origin for the virus.
This genomic investigation reveals that *Clonostachys rosea* comprises both ancestral heterothallic and derived homothallic lineages, with the latter originating in South America and exhibiting distinct patterns of nucleotide diversity and linkage disequilibrium that reflect their self-fertile reproductive strategy.
This study of wheatear hybrids demonstrates that DNA methylation patterns are predominantly determined by underlying genetic variation and remain stable during hybridization, suggesting a limited role for epigenetic divergence in reproductive isolation.
Despite the European bitterling's unconventional fertilization strategy that relies on water currents within mussels rather than direct gamete contact, its female reproductive fluid retains the ability to actively attract sperm and fails to distinguish between conspecific and heterospecific fluids, suggesting that sperm attraction mechanisms persist even when physical processes mediate fertilization.
This paper provides a theoretical proof that the widely used K method for selecting the number of ancestral populations in ADMIXTURE and STRUCTURE analyses can be inconsistent, often incorrectly favoring even when more complex population structures exist and with infinite data.
This study utilizes saturation mutagenesis to map the fitness landscape of TEM-1 -lactamase, revealing that generalist resistance to multiple antibiotics is restricted to a few critical active-site positions, whereas specialist resistance to specific drugs arises from diverse mutations, including unexpected catalytic rewiring, that trade broad functionality for targeted efficacy.
This study reveals that while diverse vertebrate species employ distinct cell-volume-regulated mechanical strategies to expand the inner ear primordium in coordination with their specific developmental tempos, these divergent mechanisms converge to ensure the conserved morphological outcome of this ancient organ.
This study demonstrates that the rapid evolution of wing shape during the global invasion of *Drosophila suzukii* was driven by selection and drift rather than being constrained by ancestral genetic covariances, as the genetic covariance matrix remained relatively stable while phenotypic divergence exceeded neutral expectations.
This paper demonstrates that gastropod shell coiling follows isometrically growing conical logarithmic spirals, revealing that the lead angle is a more biologically meaningful parameter than previously assumed and that geometric constraints, rather than solely adaptationist or mechanistic factors, dictate the observed covariation of morphological traits.
This paper demonstrates that stochasticity in learning promotes the accumulation of knowledge and drives the evolution of increased learning investment and parent-biased social learning by generating variability that selection can act upon to favor individuals with higher knowledge levels.
This paper introduces *charisma*, an R package that enables reproducible, high-throughput, and biologically relevant color characterization of digital images for large-scale evolutionary studies, as demonstrated through a comprehensive analysis of color evolution in tanager birds.
Using a highly replicated *Drosophila* experimental evolution system, this study demonstrates that selection for postponed reproduction drives convergent, polygenic adaptations that extend lifespan and enhance immune defense through allele frequency shifts in genes primarily associated with neural development and morphogenesis rather than canonical aging pathways.
Through an integrative analysis of genomic, allelic, and morphological data, this study resolves the complex systematics of the rapidly radiating Asiatic white-eye group, revealing deep phylogenetic splits and distinct morphological evolution while concluding that many observed population differences, such as the paraphyletic *Z. montanus*, likely do not yet represent fully independent species lineages.