J. W. Brown

Publications32
h-index18
Citations1,605
Highly Influential Citations150
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Strong mitochondrial DNA support for a Cretaceous origin of modern avian lineages
BackgroundDetermining an absolute timescale for avian evolutionary history has proven contentious. The two sources of information available, paleontological data and inference from extant molecular… Expand
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Analysis of phylogenomic datasets reveals conflict, concordance, and gene duplications with examples from animals and plants
BackgroundThe use of transcriptomic and genomic datasets for phylogenetic reconstruction has become increasingly common as researchers attempt to resolve recalcitrant nodes with increasing amounts of… Expand
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Constructing a broadly inclusive seed plant phylogeny.
PREMISE OF THE STUDY Large phylogenies can help shed light on macroevolutionary patterns that inform our understanding of fundamental processes that shape the tree of life. These phylogenies also… Expand
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Nested radiations and the pulse of angiosperm diversification: increased diversification rates often follow whole genome duplications.
Our growing understanding of the plant tree of life provides a novel opportunity to uncover the major drivers of angiosperm diversity. Using a time-calibrated phylogeny, we characterized hot and cold… Expand
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Transitions in living arrangements among elders in Japan: does health make a difference?
OBJECTIVE This research evaluates the hypothesis that poor health triggers a change in living arrangements among elderly adults in Japan. METHODS Data came from a national probability sample of… Expand
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A molecular genetic time scale demonstrates Cretaceous origins and multiple diversification rate shifts within the order Galliformes (Aves).
The phylogeny of Galliformes (landfowl) has been studied extensively; however, the associated chronologies have been criticized recently due to misplaced or misidentified fossil calibrations. As a… Expand
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Nuclear DNA does not reconcile ‘rocks’ and ‘clocks’ in Neoaves: a comment on Ericson et al.
The discrepancy between fossil- and molecular-based age estimates for the diversification of modern birds has persisted despite increasingly large datasets on both sides ([Penny & Phillips 2004][1]).… Expand
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Quartet Sampling distinguishes lack of support from conflicting support in the green plant tree of life.
PREMISE OF THE STUDY Phylogenetic support has been difficult to evaluate within the green plant tree of life partly due to a lack of specificity between conflicted versus poorly informed branches. As… Expand
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Appraisal of the consequences of the DDT‐induced bottleneck on the level and geographic distribution of neutral genetic variation in Canadian peregrine falcons, Falco peregrinus
Peregrine falcon populations underwent devastating declines in the mid‐20th century due to the bioaccumulation of organochlorine contaminants, becoming essentially extirpated east of the Great Plains… Expand
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So many genes, so little time: A practical approach to divergence-time estimation in the genomic era
TLDR
We find that “gene shopping” can be an efficient approach to divergence-time inference for phylogenomic datasets that may otherwise be characterized by extensive gene tree heterogeneity. Expand
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