K. Kerr

Publications30
h-index14
Citations1,236
Highly Influential Citations97
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Comprehensive DNA barcode coverage of North American birds
TLDR
The consistent finding of constrained intraspecific mitochondrial variation in this large assemblage of species supports the emerging view that selective sweeps limit mitochondrial diversity.
DNA barcoding of Scandinavian birds reveals divergent lineages in trans-Atlantic species
TLDR
This study demonstrates the effectiveness of COI barcodes for identifying Scandinavian birds and highlights taxa for taxonomic review.
Probing Evolutionary Patterns in Neotropical Birds through DNA Barcodes
TLDR
These findings confirm the efficacy of species delimitation in birds via DNA barcodes, even when tested on a global scale, and demonstrate how large libraries of a standardized gene region provide insight into evolutionary processes.
Filling the gap - COI barcode resolution in eastern Palearctic birds
TLDR
DNA barcodes are a practical means for rapid species assignment, although efficient analytical methods will likely require a two-tiered approach to differentiate closely related pairs of species.
Searching for evidence of selection in avian DNA barcodes
  • K. Kerr
  • Biology
    Molecular ecology resources
  • 1 November 2011
The barcode of life project has assembled a tremendous number of mitochondrial cytochrome c oxidase I (COI) sequences. Although these sequences were gathered to develop a DNA‐based system for species…
Calibrating the molecular clock beyond cytochrome b: assessing the evolutionary rate of COI in birds
TLDR
This study compares the evolutionary rate of COI relative to cyt b across ten different avian orders and suggests that this variation is partially explained by a clear negative relationship between the difference in divergence in these genes and the age of species.
Frequency Matrix Approach Demonstrates High Sequence Quality in Avian BARCODEs and Highlights Cryptic Pseudogenes
TLDR
Using 11,000 sequences from 2,700 bird species, it is shown most avian cytochrome c oxidase I (COI) nucleotide and amino acid sequences vary within a narrow range, except for third codon positions, and a frequency matrix is applied to assess sequencing errors.
DNA Barcode Libraries Provide Insight into Continental Patterns of Avian Diversification
TLDR
The analysis of large-scale DNA barcodes suggests that avian species are older in Argentina than in the Nearctic, supporting the idea that the greater diversity of the Neotropical avifauna is not caused by higher recent speciation rates.
Diagnosing Mitochondrial DNA Diversity: Applications of a Sentinel Gene Approach
TLDR
This study examines the correlations between mitochondrial genome-wide shifts in this feature and a fragment of the cytochrome c oxidase subunit I (COI) gene in animals, plants, and fungi and establishes that the sentinel approach provides strong indicators of mitochondrial GC content within divergent phyla.
DNA metabarcoding reveals the broad and flexible diet of a declining aerial insectivore
TLDR
The hypothesis that Barn Swallows are generalist insectivores when provisioning their young and select prey based on size is tested and the utility of custom reference databases for linking the abundance and size of insect prey in the habitat with prey consumed when employing molecular methods for dietary analysis is demonstrated.
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