Research Topics
Species | MICHAEL R LYNCHSummaryAffiliation: Indiana University Country: USA Publications
Research Grants
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Publications
DNA transposons and the role of recombination in mutation accumulation in Daphnia pulexSarah Schaack
Department of Biology, University of Texas Arlington, 501 S, Nedderman Drive, Arlington, TX 76019, USA
Genome Biol 11:R46. 2010....
Simple sequence repeat variation in the Daphnia pulex genomeWay Sung
Hubbard Center for Genome Studies, University of New Hampshire, Durham, NH 03824, USA
BMC Genomics 11:691. 2010..The recently sequenced Daphnia pulex genome provides us with a valuable data set to study the mode and tempo of SSR evolution, without the inherent biases that accompany marker selection...
LTR retroelements in the genome of Daphnia pulexMina Rho
School of Informatics and Computing, Indiana University, Bloomington, IN 47405, USA
BMC Genomics 11:425. 2010....
De novo identification of LTR retrotransposons in eukaryotic genomesMina Rho
Department of Computer Science, Indiana University, Bloomington, IN 47405, USA
BMC Genomics 8:90. 2007..Currently, LTR retrotransposons are annotated in eukaryotic genomes mainly through the conventional homology searching approach. Hence, it is limited to annotating known elements...
The chemoreceptor genes of the waterflea Daphnia pulex: many Grs but no OrsD Carolina Peñalva-Arana
Department of Biology, Indiana University, Bloomington, IN 47405, USA
BMC Evol Biol 9:79. 2009..This has allowed us the initial investigation of chemoreceptor genes in an aquatic invertebrate, and to begin the study of chemoreceptor evolution across the arthropod phylum...
Evolutionary dynamics of a conserved sequence motif in the ribosomal genes of the ciliate ParameciumFrancesco Catania
Department of Biology, Indiana University, 1001E 3rd Street, Bloomington, IN 47405, USA
BMC Evol Biol 10:129. 2010..Moreover, the evolutionary dynamics of regulatory elements in 3' untranslated regions (both in protozoa and metazoa) remains a virtually unexplored issue...
A genome-wide view of the spectrum of spontaneous mutations in yeastMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 105:9272-7. 2008....
The evolution of genetic networks by non-adaptive processesMichael Lynch
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Nat Rev Genet 8:803-13. 2007..The widespread reliance on computational procedures that are devoid of population-genetic details to generate hypotheses for the evolution of network configurations seems to be unjustified...
The frailty of adaptive hypotheses for the origins of organismal complexityMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 104:8597-604. 2007....
The lower bound to the evolution of mutation ratesMichael Lynch
Department of Biology, Indiana University, USA
Genome Biol Evol 3:1107-18. 2011....
Streamlining and simplification of microbial genome architectureMichael Lynch
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Annu Rev Microbiol 60:327-49. 2006....
The origins of eukaryotic gene structureMichael Lynch
Department of Biology, Indiana University, Bloomington, USA
Mol Biol Evol 23:450-68. 2006..Under this hypothesis, arguments based on molecular, cellular, and/or physiological constraints are insufficient to explain the disparities in gene, genomic, and phenotypic complexity between prokaryotes and eukaryotes...
Mutation pressure and the evolution of organelle genomic architectureMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Science 311:1727-30. 2006..These observations provide support for the hypothesis that the fundamental features of genome evolution are largely defined by the relative power of two nonadaptive forces: random genetic drift and mutation pressure...
Localization of the genetic determinants of meiosis suppression in Daphnia pulexMichael Lynch
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 180:317-27. 2008..With the enormous set of genomic tools now available for D. pulex, these results set the stage for the determination of the functional underpinnings of the conversion of meiosis to a mitotic-like mode of inheritance...
Estimation of nucleotide diversity, disequilibrium coefficients, and mutation rates from high-coverage genome-sequencing projectsMichael Lynch
Department of Biology, Indiana University, Bloomington Indiana, USA
Mol Biol Evol 25:2409-19. 2008..These methods provide a general platform for the efficient utilization of data from population-genomic surveys, while also providing guidance for the optimal design of such studies...
The cellular, developmental and population-genetic determinants of mutation-rate evolutionMichael Lynch
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 180:933-43. 2008....
Estimation of allele frequencies from high-coverage genome-sequencing projectsMichael Lynch
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 182:295-301. 2009....
Rate, molecular spectrum, and consequences of human mutationMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 107:961-8. 2010....
The rate of establishment of complex adaptationsMichael Lynch
Department of Biology, Indiana University, USA
Mol Biol Evol 27:1404-14. 2010....
The repatterning of eukaryotic genomes by random genetic driftMichael Lynch
Department of Biology, Indiana University, Bloomington, Indiana 47408, USA
Annu Rev Genomics Hum Genet 12:347-66. 2011....
Evolution of the mutation rateMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Trends Genet 26:345-52. 2010....
Scaling expectations for the time to establishment of complex adaptationsMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 107:16577-82. 2010..These general results provide insight into a number of ongoing controversies regarding the molecular basis of adaptation, including the adaptive utility of recombination and the role of drift in the passage through adaptive valleys...
On the formation of novel genes by duplication in the Caenorhabditis elegans genomeVaishali Katju
Department of Biology, Indiana University, USA
Mol Biol Evol 23:1056-67. 2006..Finally, both intron loss and gain contribute to the differential distribution of introns between two copies...
Intron presence-absence polymorphisms in DaphniaAngela R Omilian
Department of Biology, Indiana University, USA
Mol Biol Evol 25:2129-39. 2008....
Patterns of intraspecific DNA variation in the Daphnia nuclear genomeAngela R Omilian
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 182:325-36. 2009..5255 for species of the Daphnia genus. Lastly, a divergence population-genetics approach was used to investigate gene flow and divergence between D. pulex and D. pulicaria...
Extensive, recent intron gains in Daphnia populationsWenli Li
Biology Department, Indiana University, Bloomington, IN 47405, USA
Science 326:1260-2. 2009....
Biogeographic patterns and current distribution of molecular-genetic variation among populations of speckled dace, Rhinichthys osculus (Girard)Michael E Pfrender
Department of Biology, Utah State University, 5305 Old Main Hill Road, Logan, UT 84322 5305, USA
Mol Phylogenet Evol 30:490-502. 2004..We recommend that major basins be regarded as distinct ESUs based on high levels of subdivision, deep divergences, and reciprocal monophyly among basins...
Large global effective population sizes in ParameciumMargaret S Snoke
Department of Biology, Indiana University, IN, USA
Mol Biol Evol 23:2474-9. 2006..Drawing from observations on well-defined species within the genus Paramecium, we report exceptionally high levels of silent-site polymorphism, which appear to be a reflection of large N(e)...
Transitions to asexuality result in excess amino acid substitutionsSusanne Paland
Department of Biology, Indiana University, 1001 East 3rd Street, Bloomington, IN 47405, USA
Science 311:990-2. 2006..These results support the hypothesis that sexual reproduction plays a prominent role in reducing the mutational burden in populations...
Evolution of mutation rates: phylogenomic analysis of the photolyase/cryptochrome familyJosé Ignacio Lucas-Lledó
Department of Biology, Indiana University, Bloomington, Indiana, USA
Mol Biol Evol 26:1143-53. 2009..In contrast, the loss of photolyase genes in prokaryotes may not cause an increase in the mutation rate and be neutral in most cases...
The phylogenetic mixed modelElizabeth A Housworth
Department of Mathematics, Indiana University, Bloomington, Indiana, 47405, USA
Am Nat 163:84-96. 2004....
Ubiquitous internal gene duplication and intron creation in eukaryotesXiang Gao
Department of Biology, Indiana University, 1001 East Third Street, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 106:20818-23. 2009..These results strongly suggest a major evolutionary role for internal gene duplications in the origin of genomic novelties, particularly as a mechanism for intron gain...
The structure and early evolution of recently arisen gene duplicates in the Caenorhabditis elegans genomeVaishali Katju
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 165:1793-803. 2003..We propose that illegitimate recombination events leading to inverted duplications play a disproportionately large role in gene duplication within this genome in comparison with other mechanisms...
The origins of genome complexityMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Science 302:1401-4. 2003..The enormous long-term effective population sizes of prokaryotes may impose a substantial barrier to the evolution of complex genomes and morphologies...
Correlated evolution of life-history with size at maturity in Daphnia pulicaria: patterns within and between populationsCharles F Baer
Department of Biology, Jordan Hall, Indiana University, Bloomington, IN 47405, USA
Genet Res 81:123-32. 2003..One trait, offspring size, appears to have evolved in a way different from that expected from the within-population genetic architecture and may be under stabilizing selection...
An evolutionary analysis of the helix-hairpin-helix superfamily of DNA repair glycosylasesDee R Denver
Department of Biology, Indiana University, USA
Mol Biol Evol 20:1603-11. 2003....
Messenger RNA surveillance and the evolutionary proliferation of intronsMichael Lynch
Department of Biology, Indiana University
Mol Biol Evol 20:563-71. 2003..The spatial distribution of introns, as revealed by whole-genome analysis, is consistent with expectations for a model in which maximum protective coverage of a gene stochastically evolves over time...
The evolution of spliceosomal intronsMichael Lynch
Department of Biology Indiana University Bloomington, Indiana 47405, USA
Curr Opin Genet Dev 12:701-10. 2002....
The ecoresponsive genome of Daphnia pulexJohn K Colbourne
Center for Genomics and Bioinformatics, Indiana University, 915 East Third Street, Bloomington, IN 47405, USA
Science 331:555-61. 2011..Daphnia-specific genes, including many additional loci within sequenced regions that are otherwise devoid of annotations, are the most responsive genes to ecological challenges...
Genomics. Gene duplication and evolutionMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Science 297:945-7. 2002
Genetic diversity in the Paramecium aurelia species complexFrancesco Catania
Department of Biology, Indiana University, USA
Mol Biol Evol 26:421-31. 2009..aurelia strains and their multilocus genetic profile, a controversial finding that has major consequences for both the current methods of species assignment and the species problem in the P. aurelia complex...
Abundance, distribution, and mutation rates of homopolymeric nucleotide runs in the genome of Caenorhabditis elegansDee R Denver
Department of Biology, Indiana University, 327 Jordan Hall, 1001 East Third Street, 47405, Bloomington, IN, USA
J Mol Evol 58:584-95. 2004..This integrative approach yields a total nuclear genome-wide homopolymer mutation rate estimate of approximately 1.6 mutations per genome per generation...
High mutation rate and predominance of insertions in the Caenorhabditis elegans nuclear genomeDee R Denver
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Nature 430:679-82. 2004....
A microsatellite-based genetic linkage map of the waterflea, Daphnia pulex: On the prospect of crustacean genomicsMelania E A Cristescu
Department of Biology, Indiana University at Bloomington, Bloomington, IN 47405, USA
Genomics 88:415-30. 2006..By mapping 342 tentative orthologous gene pairs (Daphnia/Drosophila) into the Daphnia linkage map, we facilitate future comparative projects...
Simple evolutionary pathways to complex proteinsMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Protein Sci 14:2217-25; discussion 2226-7. 2005..Thus, the classical evolutionary trajectory of descent with modification is adequate to explain the diversification of protein functions...
Evolutionary history of contagious asexuality in Daphnia pulexSusanne Paland
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Evolution 59:800-13. 2005..If environment-mediated selective asymmetries play no significant role in determining the outcome of competitive interactions between sexuals and asexuals, regions of contact may be setting the stage for continued asexual conquests...
Conserved ontogeny and allometric scaling of resource acquisition and allocation in the DaphniidaeJeffry L Dudycha
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Evolution 59:565-76. 2005..Using this approach, a wide range of interspecific variation in life-history features can be related to a single underlying trait, the size at first reproductive investment...
Intron evolution as a population-genetic processMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 99:6118-23. 2002....
Mutation rates, spectra and hotspots in mismatch repair-deficient Caenorhabditis elegansDee R Denver
Department of Biology, Indiana University, Bloomington, 47405, USA
Genetics 170:107-13. 2005..elegans MA lines. This, along with the apparent absence of a Saccharomyces cerevisiae MSH3 ortholog in the C. elegans genome, suggests that C. elegans MMR surveillance is carried out by a single Msh-2/Msh-6 heterodimer...
The rate and spectrum of microsatellite mutation in Caenorhabditis elegans and Daphnia pulexAmanda L Seyfert
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 178:2113-21. 2008..Contrary to the expectations under the stepwise mutation model, most microsatellite mutations in C. elegans and D. pulex involve changes of multiple repeat units, with expansions being much more common than contractions...
The altered evolutionary trajectories of gene duplicatesMichael Lynch
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Trends Genet 20:544-9. 2004....
Ameiotic recombination in asexual lineages of DaphniaAngela R Omilian
Department of Biology, Indiana University, 1001 East Third Street, Bloomington, IN 47405, USA
Proc Natl Acad Sci U S A 103:18638-43. 2006....
The evolution of transcription-initiation sitesMichael Lynch
Department of Biology, Indiana University, USA
Mol Biol Evol 22:1137-46. 2005..These results provide a further example of how an increase in the power of random genetic drift can passively promote the evolution of forms of gene architecture that ultimately facilitate the evolution of organismal complexity...
The evolutionary demography of duplicate genesMichael Lynch
Dept. of Biology, Indiana University, Bloomington, Indiana 47405, USA
J Struct Funct Genomics 3:35-44. 2003....
Both costs and benefits of sex correlate with relative frequency of asexual reproduction in cyclically parthenogenic Daphnia pulicaria populationsDesiree E Allen
Department of Ecology and Evolution, Indiana University, Bloomington, Indiana 47405, USA
Genetics 179:1497-502. 2008..We show that both the costs and benefits of sex, as measured by changes in means and variances in life-history traits, increase substantially with decreasing frequency of sex...
Evolutionary diversification of the Sm family of RNA-associated proteinsDouglas G Scofield
Department of Biology, Indiana University, USA
Mol Biol Evol 25:2255-67. 2008....
The relative roles of three DNA repair pathways in preventing Caenorhabditis elegans mutation accumulationDee R Denver
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 174:57-65. 2006..elegans mutation accumulation and provides evidence for the presence of pathway-specific DNA repair territories in the C. elegans genome...
DNA transposon dynamics in populations of Daphnia pulex with and without sexSarah Schaack
Department of Biology, University of Texas Arlington, 501 S Nedderman Drive, Arlington, TX 76019, USA
Proc Biol Sci 277:2381-7. 2010..Our multi-element survey reveals that the impact of sex on TE proliferation is consistent among different Class II TE families and we discuss the genomic consequences of different reproductive strategies over long time periods...
Rapid fitness recovery in mutationally degraded lines of Caenorhabditis elegansSuzanne Estes
Department of Biology, University of Oregon, Eugene, Oregon 97403, USA
Evolution 57:1022-30. 2003..This surprising result has broad implications for the influence of the mutational process on many issues in evolutionary and conservation biology...
The transcriptional consequences of mutation and natural selection in Caenorhabditis elegansDee R Denver
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Nat Genet 37:544-8. 2005..elegans expressed sequences...
Intron size, abundance, and distribution within untranslated regions of genesXin Hong
Department of Biology, Indiana University, IN, USA
Mol Biol Evol 23:2392-404. 2006..thaliana and D. melanogaster, which may lack intron-dependent NMD. Our findings have several implications for theories of intron evolution and genome evolution in general...
Research Grants
- The Rate and Molecular Spectrum of Spontaneous MutationsMichael Lynch; Fiscal Year: 2009....
- The Rate and Molecular Spectrum of Spontaneous MutationsMichael Lynch; Fiscal Year: 2007..abstract_text> ..
- The Rate and Molecular Spectrum of Spontaneous MutationsMichael Lynch; Fiscal Year: 2009....
