Dr. Letitia Da Ros

Former Post-Doctoral Fellow & PhD Candidate (May 2018 – Dec 2018, PhD 2013 – May 2018)


Resilient Forests (RES-FOR) – Evaluating wood quality traits and their associations with aridity in white spruce and lodgepole pine breeding populations in central Alberta.

Phytoremediation of Phosphorus – Phosphorus uptake and remobilization in hybrid poplar and willow. A potential solution to minimize seasonal soluble phosphorus inputs from water runoff via vegetative filtering and growth.

Research Interests

  • Multi-omics data integration
  • Comparative genomics and pathway analyses
  • Abiotic stress response and tolerance
  • Nutrient resorption
  • Senescence


PhD Forestry – Department of Wood Science, University of British Columbia, Vancouver, BC, Canada  (2018)

BSc – Major in Applied Plant and Soil Sciences (Honours), UBC (2013)

Selected Publications and Conference Presentations

Da Ros LM* & Mansfield SD (2020) Biotechnological mechanism for improving plant remobilization of phosphorus during leaf senescence. Plant biotechnology journal18(2), 470-478.

Da Ros LM*, Soolanayakanahally RY & Mansfield SD (2020) Discerning the effects of phosphate status on the metabolism of hybrid poplar. Tree physiology40(2), 158-169.

Da Ros LM*, Soolanayakanahally RY, Guy RD, Mansfield SD (2018) Phosphorus storage and resorption in riparian tree species: Environmental applications of poplar and willow. Environmental and Experimental Botany. 149, 1 – 8.

Soolanayakanahally R, Da Ros L*,  Mansfield SD (2018) Mitigating the downstream effects of excess soil phosphorus through cultivar selection and increased foliar resorption. Woody Crops International Conference, Rhinelander WI, USA. (Oral presentation) July 23- 25.

Da Ros, L* and Mansfield, SD (2017) Constitutive expression of an exogenous PHT1 family member in hybrid poplar. Plants from Sea to Sky CSPB/CSHS Joint Meeting, Vancouver BC. (Poster presentation) July 4-7.

Awards, Grants, Scholarships

  • Mary and David Macaree Fellowship, UBC (2016)
  • VanDusen Graduate Fellowship in Forestry, UBC (2015)
  • Natural Science and Engineering Research Council of Canada (NSERC) Graduate Scholarship – Master’s, UBC (2014/15)
  • Faculty of Forestry Strategic Recruitment Fellowship, UBC (2013/14)