about me
Nice to meet you! I am broadly interested in plant evolution and phylogenetics, specifically within Caryophyllales and carnivorous plants across disparate families. In my work I attempt to optimize analyses of large-scale genetic data with tools in and python .
recent work
- Grenz K, Chia KS, Turley EK, Tyszka AS,, Atkinson RE, Reeves J, Vickers M, Rejzek M, Walker JF, Carella P. A necrotizing toxin enables Pseudomonas syringae infection across evolutionarily divergent plants. Cell Host & Microbe. 2025 Jan 8;33(1):20-9. https://doi.org/10.1016/j.chom.2024.11.014
- Tyszka AS, Larson DA, Walker JF. Sequencing historical RNA: unrealized potential to increase understanding of the plant tree of life. Trends in Plant Science. 2024 Nov 29. https://doi.org/10.1016/j.tplants.2024.11.004
- Ruiz-Vargas N, Ramanauskas K, Tyszka AS, Bretz EC, Yeo MT, Mason-Gamer RJ, Walker JF. Transcriptome data from silica-preserved leaf tissue reveal gene flow patterns in a Caribbean bromeliad. Annals of Botany. 2024 Mar 1;133(3):459-72. https://doi.org/10.1093/aob/mcae002
- Tyszka AS, Bretz EC, Robertson HM, Woodcock-Girard MD, Ramanauskas K, Larson DA, Stull GW and Walker JF (2023) Characterizing conflict and congruence of molecular evolution across organellar genome sequences for phylogenetics in land plants. Front. Plant Sci. 14:1125107. doi: 10.3389/fpls.2023.1125107
updates
- July 2024: Presented my first talk, titled Prospects for expanding the plant tree of life with historical RNA sequencing at Botany 2024 in Montreal.
- July 2023: Find a .pdf copy of my Botany 2023 poster here. The interactive figures and source citations from the poster are also available.
- June 2022: I attended Evolution 2022 in Cleveland, Ohio, and was excited to present a poster on the topic of Cactus Virus X. Photo below!
- 2021: Alexa Tyszka wins the NSF GRFP award.