Molecular evidence regarding the origin of echolocation and flight in bats

@article{Teeling2000MolecularER,
  title={Molecular evidence regarding the origin of echolocation and flight in bats},
  author={Emma C. Teeling and Mark D. Scally and Diana J. Kao and Michael L. Romagnoli and Mark S Springer and Michael J. Stanhope},
  journal={Nature},
  year={2000},
  volume={403},
  pages={188-192}
}
Bats (order Chiroptera) are one of the few orders of mammals that echolocate and the only group with the capacity for powered flight. [] Key Result Here we present a phylogenetic analysis of bat relationships using DNA sequence data from four nuclear genes and three mitochondrial genes (total of 8,230 base pairs), indicating that microbat families in the superfamily Rhinolophoidea are more closely related to megabats than they are to other microbats.
A nuclear DNA phylogenetic perspective on the evolution of echolocation and historical biogeography of extant bats (chiroptera).
TLDR
195 morphological characters were evaluated and a morphological synapomorphy characterizing the Rhinolophoidea was identified and is suggestive of a separate origin of echolocation in this clade, as well as the center of origin of modern-day bat families.
The evolution of flight and echolocation in bats: another leap in the dark
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A novel hypothesis is advanced, which starts from the assumption that bats are monophyletic and the ancestral pre-bat was arboreal, but diurnal and frugivorous, and overcomes many of the problems identified in previous treatments.
Primitive Early Eocene bat from Wyoming and the evolution of flight and echolocation
TLDR
A new bat is described from the Early Eocene Green River Formation of Wyoming, USA, with features that are more primitive than seen in any previously known bat, supporting a ‘flight first’ hypothesis for chiropteran evolution.
Phylogeny, Genes, and Hearing: Implications for the Evolution of Echolocation in Bats
TLDR
In this chapter, the consensus and conflict regarding bat evolutionary relationships is explored based on key phylogenetic studies conducted over the past 15 years, and the potential molecular sensory trade-offs between echolocation, vision, olfaction, and taste are explored.
Microbat paraphyly and the convergent evolution of a key innovation in Old World rhinolophoid microbats
Molecular phylogenies challenge the view that bats belong to the superordinal group Archonta, which also includes primates, tree shrews, and flying lemurs. Some molecular studies also challenge
Molecular evolution of bat color vision genes.
TLDR
Surprisingly, the S opsin in these bats may be sensitive to UV light, which is relatively more abundant at dawn and at dusk, which may provide insights into the effect of nocturnal life on the evolution of opsin genes in mammals and the Evolution of the life history traits of bats in general.
Comparative genomic analyses illuminate the distinct evolution of megabats within Chiroptera
  • M. Nikaido, S. Kondo, C. Kai
  • Biology
    DNA research : an international journal for rapid publication of reports on genes and genomes
  • 2020
TLDR
The adaptive signatures discovered in the genomes of megabats may provide crucial insight into their distinct evolution, including key processes such as virus resistance, loss of echolocation, and frugivorous feeding.
Phylogenomic Analyses Elucidate the Evolutionary Relationships of Bats
Gene structure and evolution of transthyretin in the order Chiroptera
TLDR
Based on TTR intron 1 sequence, the inferred evolutionary relationship within Chiroptera revealed more closely relatedness of R. affinis to megabats than to microbats, and the paraphyly of microbats was suggested.
PHYLOGENETIC RELATIONSHIPS AMONG RECENT CHIROPTERAN FAMILIES AND THE IMPORTANCE OF CHOOSING APPROPRIATE OUT-GROUP TAXA
TLDR
Results of the analyses strongly support other recent work indicating that Archonta is not a natural assemblage and that the sister taxon to Chiroptera may include CetartiodactylA, Perissodactyla, Carnivora, and possibly Pholidota.
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