Results 21 to 30 of about 92,975 (280)

THE RECONSTRUCTION OF ANCESTRAL CHARACTER STATES [PDF]

open access: yesEvolution, 1996
The problem of error in the phylogenetic reconstruction of ancestral character states is explored by developing the model of Frumhoff and Reeve (1994). Information about the evolutionary rate of change within a character is inferred from the distribution of its character states on a known phylogeny, and this information is used to impose confidence ...
Ted R, Schultz   +2 more
openaire   +3 more sources

Understanding phenotypical character evolution in parmelioid lichenized fungi (Parmeliaceae, Ascomycota). [PDF]

open access: yesPLoS ONE, 2013
Parmelioid lichens form a species-rich group of predominantly foliose and fruticose lichenized fungi encompassing a broad range of morphological and chemical diversity.
Pradeep K Divakar   +4 more
doaj   +1 more source

Evolution of morphological and climatic adaptations in Veronica L. (Plantaginaceae) [PDF]

open access: yesPeerJ, 2016
Perennials and annuals apply different strategies to adapt to the adverse environment, based on ‘tolerance’ and ‘avoidance’, respectively. To understand lifespan evolution and its impact on plant adaptability, we carried out a comparative study of ...
Jian-Cheng Wang   +2 more
doaj   +2 more sources

Phylogenetic Relationships and Evolution of the Androecia in Ruteae (Rutaceae). [PDF]

open access: yesPLoS ONE, 2015
Ruta, which belongs to tribe Ruteae, is the type genus of the subfamily Rutoideae and the family Rutaceae. Molecular systematic studies have shown that the genera in Ruteae are closer related to Aurantioideae than to most other genera of Rutoideae, some ...
Lai Wei   +3 more
doaj   +1 more source

The evolution of marine dwelling in Diptera

open access: yesEcology and Evolution, 2021
Marine dwelling in Diptera has been relatively unexplored and the frequency of transitions to the marine environment and the evolutionary history remain poorly understood. By reviewing records from the World Register of Marine Species and using ancestral
Nina Pak, Stephanie Wu, Joel F. Gibson
doaj   +1 more source

Effects of Phylogenetic Signal on Ancestral State Reconstruction [PDF]

open access: yesSystematic Biology, 2012
One of the standard tools used to understand the processes shaping trait evolution along the branches of a phylogenetic tree is the reconstruction of ancestral states (Pagel 1999). The purpose is to estimate the values of the trait of interest for every internal node of a phylogenetic tree based on the trait values of the extant species, a topology and,
Litsios, Glenn, Salamin, Nicolas
openaire   +4 more sources

Bacterial microevolution and the Pangenome [PDF]

open access: yes, 2020
The comparison of multiple genome sequences sampled from a bacterial population reveals considerable diversity in both the core and the accessory parts of the pangenome.
A Bankevich   +68 more
core   +1 more source

Taxonomy, Phylogeny, Molecular Dating and Ancestral State Reconstruction of Xylariomycetidae (Sordariomycetes) [PDF]

open access: yesFungal Diversity, 2021
Abstract Xylariomycetidae ( Ascomycota ) is a highly diversified group with variable stromatic characters. Our research focused on inconspicuous stromatic xylarialean taxa from China, Italy, Russia, Thailand and the United Kingdom. Detailed morphological descriptions, illustrations and combined ITS-LSU- rpb 2- tub 2- tef 1 phylogenies ...
Milan C. Samarakoon   +9 more
openaire   +2 more sources

Structures of hyperstable ancestral haloalkane dehalogenases show restricted conformational dynamics

open access: yesComputational and Structural Biotechnology Journal, 2020
Ancestral sequence reconstruction is a powerful method for inferring ancestors of modern enzymes and for studying structure–function relationships of enzymes.
Petra Babkova   +5 more
doaj   +1 more source

Investigating the phylogenetic history of toxin tolerance in mushroom‐feeding Drosophila

open access: yesEcology and Evolution, 2023
Understanding how and when key novel adaptations evolved is a central goal of evolutionary biology. Within the immigrans‐tripunctata radiation of Drosophila, many mushroom‐feeding species are tolerant of host toxins, such as cyclopeptides, that are ...
Theresa Erlenbach   +7 more
doaj   +1 more source

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