Tia Harrison
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tiaharrison.bsky.social
Tia Harrison
@tiaharrison.bsky.social
Postdoc (she/her) at Queen's University
PhD in Ecology and Evolution at University of Toronto
Plant-microbe interactions, crochet, yoga, cats
OMG this looks amazing! Can't wait to read 🤩
September 11, 2025 at 2:43 PM
Final question - what kind of soil did you use in the video above?
January 23, 2025 at 9:34 PM
I never would have thought to use an electric toothbrush - that's so clever!
January 23, 2025 at 9:31 PM
After flowering do they self on their own pretty well? Or did you have to help out with hand pollination?
January 21, 2025 at 3:58 PM
Ok this whole thread makes me feel better. Maybe someday I can try again with C. nictitans. It would be so cool to go back and do some of the experiments we originally planned
January 21, 2025 at 3:56 PM
Wow - what an amazing sample!
January 21, 2025 at 3:56 PM
Although we find high rates of molecular evolution across mutualist genomes, symbiosis genes do not show evidence of ongoing coevolution. We would be happy to hear your feedback and ideas on our work!
June 14, 2024 at 1:50 AM
We observed the same pattern in bacteria genomes. Genome wide, nodulating bacteria had higher dN/dS ratios compared to non-symbiotic bacteria.
June 14, 2024 at 1:49 AM
Interestingly, we found higher dN/dS values in mutualist plants genome wide (shown in figure) but not at symbiotic genes.
June 14, 2024 at 1:48 AM
We sequenced transcriptomes of 6 mutualistic legumes and 6 non-mutualistic close relatives (labelled tips in the tree) and compared dN/dS ratios across the genome and at symbiotic genes. We also compared dN/dS ratios in sequenced nodulating and non-symbiotic bacteria genomes
June 14, 2024 at 1:40 AM
Surprisingly, we saw a decrease in diversity and increase in abundance of anaerobic taxa in treatments with high concentrations of organic de-icers. The drastic shift in the bacterial community suggests that organic de-icers may not be as “eco-friendly” as initially anticipated!
February 16, 2024 at 9:49 PM
The impacts of traditional, inorganic, and organic de-icers were tested on lake water bacterial community assembly in a mesocosm experiment at QUBS. After 6 weeks, the 16S rRNA locus was sequenced in bacterial community samples.
February 16, 2024 at 9:49 PM
Our team combines perspectives from molecular biologists, microbiologists, and ecologists including Troy Martin, Collin Juurakko, Shelley Arnott, and Virginia Walker
February 16, 2024 at 9:48 PM