Cited by 338Evolution and Genetic DynamicsEvolution and Paleontology StudiesGenomics and Phylogenetic Studies

Rates of Nucleotide Substitution in Primates and Rodents and the Generation–Time Effect Hypothesis

Li, Wen-Hsiung, Ellsworth, Darrell L., Krushkal, Julia, Chang, Benny H.-J., Hewett-Emmett, David·1996·Molecular Phylogenetics and Evolution

Abstract

DNA sequence data from introns, flanking regions, and the eta globin pseudogene region all show a significantly higher rate of nucleotide substitution in the Old World monkey lineage than in the human lineage after the separation of the two lineages, or, in other words, the data support the hominoid rate-slowdown hypothesis. Data from both protein sequences and DNA sequences show that the rate of evolution is significantly higher in the rodent lineage than in the primate lineage. Furthermore, DNA sequences from introns show that the rate of nucleotide substitution is at least two times higher in rodents than in higher primates. The male-to-female ratio of mutation rate is estimated to be between 3 and 6 in higher primates, whereas it is only 2 in mice and rats. These ratios are similar to the corresponding male-to-female ratios of germ cell divisions in higher primates and in rodents, suggesting that errors in DNA replication during germ cell division are the primary source of mutation, or, in other words, mutation is largely DNA replication-dependent. This conclusion provides further support for the generation-time effect hypothesis.

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Crossref · 10.1006/mpev.1996.0012

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  • The substitution rate in murid rodents is, on average, two to three times faster than the rate in hominid primates (apes and humans).

    “For example, the substitution rate in murid rodents is, on average, two to three times faster than the rate in hominid primates (apes and humans) 32 .”

    From The modern molecular clock (2003) · cites this paper as [32]

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Authors
Li, W.-H., Ellsworth, D. L., Krushkal, J., Chang, B. H.-J., & Hewett-Emmett, D.
Affiliations
The University of Texas Health Science Center at Houston (US)
Venue
Molecular Phylogenetics and Evolution
Publisher
Elsevier BV
Published
1996-02
Volume
5
Issue
1
Pages
182-187
ISSN
1055-7903 (ISSN-L)
OpenAlex
W2068919087
Cited by
335
References
0
Citations by year
2026: 3 · 2025: 5 · 2024: 3 · 2023: 8 · 2022: 10 · 2021: 6 · 2020: 4 · 2019: 5 · 2018: 11 · 2017: 11 · 2016: 9 · 2015: 6 · 2014: 9 · 2013: 17 · 2012: 9
FWCI
10.99
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Phylogenetics and Evolution (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
nucleotide substitution rates, Old World monkeys, hominoid evolution, rodent evolution, primate evolution, introns, DNA replication errors, mutation rate
MeSH terms
Animals, DNA, Female, Globins, Humans, Introns, Male, Models, Genetic, Mutation, Primates, Pseudogenes, Rodentia, Sex Chromosomes, Time Factors, Hominidae, Evolution, Molecular, Mice, Rats

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