Thursday, 22 February 2018

Karl Kjer: Molecular Taxonomy

Karl Kjer is an award-winning molecular phylogeneticist and taxonomist with decades of experience and an overwhelmingly-positive reputation. He’s a co-founder of the 1,000 Insect Transcriptome Evolution Project and molecular taxonomy is among the many areas that he’s passionate about.


“Molecular taxonomy is still a developing field, and I am working to develop solutions to the limitations of molecular species definitions that will be broadly applicable to other taxa,” wrote Karl Kjer. “Barcodes are increasingly used in molecular taxonomy, and in this context, a barcode refers to a standardized DNA fragment that is used to identify species. For animals, a 658-nucleotide fragment of mitochondrial COI is the most commonly used marker. There has been vigorous, often contentious, debate about the strengths and weaknesses of "barcodes" and the effects these data will have on traditional taxonomic practice. I reject the extremes of both sides of these debates and instead present a constructive, integrative approach to discovering and describing biodiversity, using Trichoptera as a model taxon.



For those who’d like to read more, head to Karl Kjer’s editing page at karlkjer.com, and his "Academia" website to check out some of his most popular, highly-cited works. He also spends time answering questions on Stackexchange.

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