Research Topics
| M J SandersonSummaryAffiliation: University of California Country: USA Publications
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Detail Information
Publications
The challenge of constructing large phylogenetic treesMichael J Sanderson
Section of Evolution and Ecology, University of California, Davis, CA 95616, USA
Trends Plant Sci 8:374-9. 2003..A final challenge is posed by the difficulty of visualizing and making inferences from trees that might soon routinely contain thousands of species...
Error, bias, and long-branch attraction in data for two chloroplast photosystem genes in seed plantsM J Sanderson
Section of Evolution and Ecology, University of California at Davis, 95616, USA
Mol Biol Evol 17:782-97. 2000..A factor contributing to bias and inconsistency is extremely short branches at the base of the seed plant radiation, coupled with extremely high rates in Gnetales and nonseed plant outgroups...
Paloverde: an OpenGL 3D phylogeny browserMichael J Sanderson
Section of Evolution and Ecology, University of California, Davis, CA, USA
Bioinformatics 22:1004-6. 2006..Availability: Source code, makefiles for Mac OS X and Linux and a compiled binary for Mac OS X are available at http://ginger.ucdavis.edu/paloverde/paloverde.html, along with a sample dataset...
Estimating absolute rates of molecular evolution and divergence times: a penalized likelihood approachMichael J Sanderson
Section of Evolution and Ecology, University of California, One Shields Avenue, Davis, CA 95616, USA
Mol Biol Evol 19:101-9. 2002..The methods are applied to three data sets of six genes across a sample of land plants. Optimally smoothed estimates of absolute rates entailed 2- to 10-fold variation across lineages...
Improved bootstrap confidence limits in large-scale phylogenies, with an example from Neo-Astragalus (Leguminosae)M J Sanderson
Section of Evolution and Ecology, University of California, Davis, California 95616, USA
Syst Biol 49:671-85. 2000..More accurate assessments of confidence as type I error levels (relying on iterated bootstrap methods) remove most of the monotonic decline in confidence with increasing numbers of taxa...
r8s: inferring absolute rates of molecular evolution and divergence times in the absence of a molecular clockMichael J Sanderson
Section of Evolution and Ecology, One Shields Avenue, University of California, Davis, CA 95616, USA
Bioinformatics 19:301-2. 2003..AVAILABILITY: The linux executable, C source code, sample data sets and user manual are available free at http://ginger.ucdavis.edu/r8s...
Obtaining maximal concatenated phylogenetic data sets from large sequence databasesMichael J Sanderson
Section of Evolution and Ecology, University of California, Davis, USA
Mol Biol Evol 20:1036-42. 2003..These upper bounds to sequence concatenation have important implications for building the tree of life from large sequence databases...
Phylogenetic supermatrix analysis of GenBank sequences from 2228 papilionoid legumesMichelle M McMahon
Section of Evolution and Ecology, University of California Davis, Davis, CA 95616, USA
Syst Biol 55:818-36. 2006....
Prospects for building the tree of life from large sequence databasesAmy C Driskell
Section of Evolution and Ecology, University of California, One Shields Avenue, Davis, CA 95616, USA
Science 306:1172-4. 2004..However, an analysis of two "supermatrices" suggests that even data sets with as much as 92% missing data can provide insights into broad sections of the tree of life...
Supertree bootstrapping methods for assessing phylogenetic variation among genes in genome-scale data setsJ Gordon Burleigh
Section of Evolution and Ecology, University of California, J G B, Davis, CA 95616, USA
Syst Biol 55:426-40. 2006..Results from supertree bootstrapping methods, when compared to results from corresponding supermatrix bootstrapping, may provide insights into patterns of variation among genes in genome-scale data sets...
Evolution of genome size in pines (Pinus) and its life-history correlates: supertree analysesEva Grotkopp
Section of Evolution and Ecology, University of California, Davis, California 95616, USA
Evolution 58:1705-29. 2004..Many life-history patterns are therefore indirectly, but consistently, associated with genome size...
Testing for different rates of continuous trait evolution using likelihoodBrian C O'Meara
Center for Population Biology, University of California, Davis, One Shields Avenue, Davis, California 95616, USA
Evolution 60:922-33. 2006..Simulations show that these tests are more powerful than existing tests using standardized contrasts. The new approaches are distributed in an application called Brownie and in r8s...
Assessment of the accuracy of matrix representation with parsimony analysis supertree constructionO R Bininda-Emonds
Section of Evolution and Ecology, University of California at Davis, Davis, California 95616, USA
Syst Biol 50:565-79. 2001..Overall, our results suggest that MRP supertree construction provides a reasonable approximation of a total evidence solution and that weighted MRP should be used whenever possible...
Absolute diversification rates in angiosperm cladesS Magallón
Section of Evolution and Ecology, University of California, Davis 95616, USA
Evolution 55:1762-80. 2001....
Phylogenetic systematics of the tribe Millettieae (Leguminosae) based on chloroplast trnK/matK sequences and its implications for evolutionary patterns in PapilionoideaeJ M Hu
Section of Evolution and Ecology, University of California, Davis, California 95616 USA
Am J Bot 87:418-30. 2000..trnK/matK sequence analysis suggests that the presence of a pseudoraceme or pseudopanicle and the accumulation of nonprotein amino acids are phylogenetically informative for Millettieae and allies with only a few exceptions...
Covarion structure in plastid genome evolution: a new statistical testCecile Ane
Section of Evolution and Ecology, University of California, Davis, USA
Mol Biol Evol 22:914-24. 2005..The frequency of covarion evolution within the plastid genome suggests that covarion processes of evolution were important in generating the observed patterns of sequence variation among plastid genomes...
Nematode small subunit phylogeny correlates with alignment parametersAshleigh B Smythe
Department of Nematology, University of California, One Shields Avenue, Davis, California 95616, USA
Syst Biol 55:972-92. 2006..Finally, we discuss the implications of conservative phylogenetic hypotheses for Nematoda produced by exploring alignment space and removing alignment ambiguous regions for SSU rDNA...
Inferring angiosperm phylogeny from EST data with widespread gene duplicationMichael J Sanderson
Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
BMC Evol Biol 7:S3. 2007..One rarely used method of inference, gene tree parsimony, can infer species trees from gene families undergoing duplication and loss, but its performance has not been evaluated at a phylogenomic scale for EST data in plants...
The PhyLoTA Browser: processing GenBank for molecular phylogenetics researchMichael J Sanderson
Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
Syst Biol 57:335-46. 2008..Although the reported alignments and trees are extremely approximate, the database reports several statistics correlated with alignment quality to help users choose from alternative data sources...
Angiosperm divergence times: the effect of genes, codon positions, and time constraintsSusana A Magallón
Departamento de Botanica, Instituto de Biologia, Universidad Nacional Autonoma de Mexico
Evolution 59:1653-70. 2005....
Assessing the quality of molecular divergence time estimates by fossil calibrations and fossil-based model selectionThomas J Near
Department of Ecology and Evolutionary Biology, 569 Dabney Hall, University of Tennessee, Knoxville, TN 37669 1610, USA
Philos Trans R Soc Lond B Biol Sci 359:1477-83. 2004..In each case, fossil calibrations could be ranked from most to least influential, and in one of the two studies, the fossils provided decisive evidence about the optimal molecular evolutionary model...
Performance of flip supertree construction with a heuristic algorithmOliver Eulenstein
Department of Computer Science, Iowa State University, Ames, Iowa 50011, USA
Syst Biol 53:299-308. 2004..The flip supertree method is therefore a viable alternative to other supertree methods when the number of taxa is large...
The significance of few versus many in the tree of lifeRobert W Scotland
Department of Plant Sciences, Oxford University, Oxford, OX1 3RB, UK
Science 303:643. 2004
The small-world dynamics of tree networks and data mining in phyloinformaticsWilliam H Piel
Institute of Evolutionary and Ecological Sciences, Kaiserstraat 63, Leiden University 2311 GP Leiden, The Netherlands
Bioinformatics 19:1162-8. 2003..Here we apply similar analyses to networks of phylogenetic trees in order to understand how synthetic information can emerge from a database of phylogenies...
Phylogenetic signal in the eukaryotic tree of lifeMichael J Sanderson
Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
Science 321:121-3. 2008..This analysis shows that a stronger sampling effort aimed at genomic depth, in addition to taxonomic breadth, will be required to build high-resolution phylogenetic trees at this scale...
A mathematical model of airway and pulmonary arteriole smooth muscleInga Wang
Department of Mathematics, University of Auckland, Auckland, New Zealand
Biophys J 94:2053-64. 2008..In addition, the model also predicts that oscillations in calcium concentration, commonly observed during agonist-induced smooth muscle contraction, cause a significantly greater contraction than an elevated steady calcium concentration...
