Cronn Lab

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The Cronn Lab is a part of the USDA Forest Service's Pacific Northwest Research Station located in Corvallis, Oregon.


The Plant Genetics and Silviculture Team studies the genetic structure and basis of adaptation in plants distributed across forested lands in the Pacific Northwest region of the U.S. (Alaska, Oregon and Washington). Our molecular lab uses genotyping and genomics approaches to map the distribution of geographic genetic variation as part of our continuing effort to identify genetic and gene expression responses to weather and climate, both of which play an important role in local adaptation.


  • 1-August-2010: "An introduction to next-generation sequencing". This all-day workshop was held at the 2010 Botany Meeting. Information can be found in the Short_read_toolbox" archive at
  • 10-Feb-2010: More genomes! Whittall et al., "Finding a (pine) needle in a haystack: chloroplast genome sequence divergence in rare and widespread pines." Mol Ecol 2010 Feb; 19(s1): 100-114. Special Issue: Next Generation Molecular Ecology.
  • 05-Feb-2010: The Western Transcriptome "RNASeq-apalooza I" RNA prep party was a wild success. Groups from USFS Pacific Southwest Station, Pacific Northwest Station, and UC-Berkeley prepared RNA-Seq libraries for Sugar Pine (Jessica Wright), Tan Oak (Katy Hayden) and Douglas-fir (Eriko Miuira). This effort yielded 4.5 billion bases of data!
  • 02-Dec-2009: 37 genomes! Parks et al., "Increasing phylogenetic resolution at low taxonomic levels using massively parallel sequencing of chloroplast genomes." BMC Biol 2009; 7 84. See a commentary on this paper, "Christmas Tree asks 'Who's my Daddy?", at this link!

Contact Information

Richard Cronn
USDA Forest Service
Pacific Northwest Research Station
3200 SW Jefferson Way
Corvallis, OR 97331