Repositorio Institucional
Repositorio Institucional
CONICET Digital
  • Inicio
  • EXPLORAR
    • AUTORES
    • DISCIPLINAS
    • COMUNIDADES
  • Estadísticas
  • Novedades
    • Noticias
    • Boletines
  • Ayuda
    • General
    • Datos de investigación
  • Acerca de
    • CONICET Digital
    • Equipo
    • Red Federal
  • Contacto
JavaScript is disabled for your browser. Some features of this site may not work without it.
  • INFORMACIÓN GENERAL
  • RESUMEN
  • ESTADISTICAS
 
Artículo

Modelling evolutionary tempo and mode using formal morphological spaces and Markov chain principles

Fontanarrosa, GabrielaIcon ; Abdala, Virginia Sara LuzIcon ; Dos Santos, Daniel AndrésIcon
Fecha de publicación: 12/2023
Editorial: Oxford University Press
Revista: Journal of Evolutionary Biology
ISSN: 1420-9101
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología

Resumen

Evolutionary tempo and mode summarize ancient and controversial subjects of theoretical biology such as gradualism, convergence, contingence, trends, and entrenchment. We employed an integrative methodological approach to explore the evolutionary tempo and mode ofLepidosaurian phalangeal formulae (PFs). This approach involves quantifying the frequencies of morphological changes along an evolutionarytrajectory. The five meristic characters encoded by PFs are particularly valuable in revealing evolutionary patterns, owing to their discrete natureand extensive documentation in the literature. Based on a pre-existing dataset of PFs from 649 taxa (35 Lepidosauria families, including fossils),from which there exists a unique repertoire of 53 formulations, our approach simultaneously considers phenetic and phylogenetic data. Thisculminates in a diagram accounting for the phylogenetic dynamic of evolution traversing across different regions of morphospace. The methodinvolves enumerating phenotypical options, reconstructing phenotypes across the phylogeny, projecting phenotypes onto a morphospace,and constructing a flow network from the frequency of evolutionary transitions between unique phenotypic conditions. This approach linksMarkovian chains and evolutionary trajectories to formally define parameters that describe the underlying transitions of morphological change.Among other results, we found that (a) PF evolution exhibits a clear trend towards reduction in the phalangeal count and that (b) evolutionarychange tends to occur significantly between morphologically similar PFs. Notwithstanding, although minor but not trivial, transitions betweendistant formulas -jumps- occur. Our results support a pluralistic view including stasis, gradualism, and saltationism discriminating their prevalence in a target character evolution.
Palabras clave: CONSTRAINTS , EVOLUTIONARY TRAJECTORIES , EVOLUTIONARY TRENDS , LEPIDOSAURIA
Ver el registro completo
 
Archivos asociados
Tamaño: 930.6Kb
Formato: PDF
.
Solicitar
Licencia
info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/233142
URL: https://academic.oup.com/jeb/advance-article/doi/10.1093/jeb/voad007/7459630
DOI: http://dx.doi.org/10.1093/jeb/voad007
Colecciones
Articulos(IBN)
Articulos de INSTITUTO DE BIODIVERSIDAD NEOTROPICAL
Citación
Fontanarrosa, Gabriela; Abdala, Virginia Sara Luz; Dos Santos, Daniel Andrés; Modelling evolutionary tempo and mode using formal morphological spaces and Markov chain principles; Oxford University Press; Journal of Evolutionary Biology; 37; 1; 12-2023; 76-88
Compartir
Altmétricas
 

Enviar por e-mail
Separar cada destinatario (hasta 5) con punto y coma.
  • Facebook
  • X Conicet Digital
  • Instagram
  • YouTube
  • Sound Cloud
  • LinkedIn

Los contenidos del CONICET están licenciados bajo Creative Commons Reconocimiento 2.5 Argentina License

https://www.conicet.gov.ar/ - CONICET

Inicio

Explorar

  • Autores
  • Disciplinas
  • Comunidades

Estadísticas

Novedades

  • Noticias
  • Boletines

Ayuda

Acerca de

  • CONICET Digital
  • Equipo
  • Red Federal

Contacto

Godoy Cruz 2290 (C1425FQB) CABA – República Argentina – Tel: +5411 4899-5400 repositorio@conicet.gov.ar
TÉRMINOS Y CONDICIONES