Phenotypic convergence
WebOct 21, 2024 · Tests of phenotypic convergence can provide evidence of adaptive evolution, and the popularity of such studies has grown in recent years due to the development of novel, quantitative methods for identifying and/or measuring convergence. WebMar 21, 2024 · ABSTRACT Tests of phenotypic convergence can provide evidence of adaptive evolution, and the popularity of such studies has grown in recent years due to the development of novel, quantitative methods for identifying and measuring convergence.
Phenotypic convergence
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WebPhenotypic convergence is correlated often with transitions to similar environments, which provides compelling evidence that convergence resulted from response to similar patterns of natural selection. Examples include flippers and fins in cetaceans and fish, wings in birds and insects, and the eyes of mammals and octopi. ... WebMar 5, 2013 · Introduction. A central goal of evolutionary studies is to understand why some clades are more morphologically diverse than others (e.g., Erwin 2007; Pigliucci 2008).To address this question, differences in morphology have been assessed using phenotypic spaces constructed from quantitative measures of anatomical variability among groups …
WebMay 12, 2024 · A forthcoming NSR publication on plant secondary metabolites further highlights the phenotypic convergence in the apparent absence of genetic convergence, even when the phenotypes are biochemical in nature . Overall, these publications find various degrees of genetic convergence in similar environments. Collectively, molecular … WebJul 7, 2024 · Phenotypic convergence: distinct transcription factors regulate common terminal features. Published in final edited form as: Figure 5A and S5A ). The predicted gene expression for the neuronal clusters was 98% accurate with a Pearson correlation ranging from 84.9% to 97.5% between actual and predicted transcriptomes.
Phylogenetic reconstruction and ancestral state reconstruction proceed by assuming that evolution has occurred without convergence. Convergent patterns may, however, appear at higher levels in a phylogenetic reconstruction, and are sometimes explicitly sought by investigators. The methods applied to infer convergent evolution depend on whether pattern-based or process-based … WebJul 6, 2024 · Patterns of floral trait diversification and phenotypic convergence across a genus can result from the dynamic interaction of many factors including phylogenetic constraint, geographic context, variation in ploidy, and, of course, pollinator-mediated selection. First, related species can share similarities both at the genetic level and the ...
WebWhen phenotypic convergence is caused by identical substitutions In addition to convergent recruitment, several studies have traced phenotypic convergence to identical genetic substitutions in different lineages [5,6,37–39]. Whereas Box 1. Fitness landscapes over sequence space Both proteins and DNA have an intrinsically digital nature – they
WebDec 27, 2024 · The method works by computing the angle between the phenotypic vectors of the species as a measure of their similarity and allows identification of the clades (rather than just the species) that converge. We show through simulations that search. conv is remarkably powerful and fast. downloads itrWebNov 7, 2024 · Background Phenotypic convergence between distinct species provides an opportunity to examine the predictability of genetic evolution. Unrelated species sharing genetic underpinnings for phenotypic convergence suggests strong genetic constraints, and thus high predictability of evolution. However, there is no clear big picture of the genomic … classroom sign language bathroomWebJul 26, 2024 · Phenotypic Convergence: Distinct Transcription Factors Regulate Common Terminal Features Transcription factors regulate the molecular, morphological, and physiological characteristics of neurons and generate their impressive cell-type diversity. classroom sign in sheetsWebSignificanceElucidating the developmental origins of phenotypic variation remains a central aim for evo-devo research. ... provide a valuable base for furthering our understanding of how developmental changes can lead to both adaptive phenotypic change and trait convergence in complex, phenotypically highly diverse, structures. Get full access ... download sitradWebApr 6, 2024 · This phenotypic convergence toward CS to aminoglycosides has been described in ciprofloxacin-resistant clinical isolates of P. aeruginosa presenting mutations in gyrA, gyrB, mexB, and nfxB . In agreement with the findings of this work, our results indicate that mutations in nfxB are clearly associated with CS to tobramycin. download site usage sharepointWebSince the laboratory evolved strains converged toward specific phenotypic states (Figure 2A), we also applied PCA to characterize the phenotypic convergence of P. aeruginosa populations during in vivo treatment. Interestingly, we observed a striking phenotypic convergence of the characterized isolates during treatment (Figures 5F–5H and S5G). classroom sign itWebFeb 8, 2024 · Our findings indicate that comprehensive phenotypic convergence is not mirrored at genome-wide protein-coding levels in anoles, and therefore, that adaptive phenotypic convergence is likely not constrained by the evolution of many specific protein sequences or structures. download sittercity app