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SUMMARY:Transcriptional and hormonal regulation of gravitropism and woody g
 rowth in trees
LOCATION:Anatomy/Zoology Building W118
TZID:America/Denver
DTSTART:20159101T000000
UID:2026-05-13-07-35-01@natsci.colostate.edu
DTSTAMP:20260513T073501
Description:Forest trees reinforce and even reorient their woody stems in r
 esponse to gravitational and mechanical stresses. In angiosperm trees\, th
 is is achieved by the production of “tension wood\,” which contains fi
 ber cells with specialized secondary cell wall layers that can generate st
 rong tensile forces. In this seminar\, I will present experiments using th
 e model forest tree\, Populus\, which describe the gravity sensing cells i
 n the woody stem\, the changes in auxin transport occurring during gravire
 sponse\, and key genetic and biochemical aspects of tension wood developme
 nt. Gene co-expression networks for tension wood development will also be 
 presented\, including gene modules correlated with specific phenotypes and
  methods for identification of candidate regulatory genes. I will also pre
 sent recent results from a new system for functional genomics in Populus b
 ased on perturbation of gene dosage relationships\, which we are using to 
 dissect heterosis\, biomass and wood development traits. 4:00 pm
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