Research
Clemson University
I am currently a PhD candidate at the Capitulab at Clemson University. I am using the dioecious plant Baccharis halimifolia as a model to understand genetic sex-determination and dioecy evolution in a highly complex and diverse family such as the Asteraceae. The sunflower family (Asteraceae) is the largest angiosperm family (~25,000). Its success and radiation can be account to certain unique family traits. One of these, the specialized capitulum, represents the possibility of almost any sex system combination possible within inflorescences or individuals in each species. This is hypothesized to be the basis of the diverse Asteraceae sex systems, including hermaphroditism, monoecy, dioecy, gynomonoecy, gynodioecy, andromonoecy, and androdioecy. Dioecy has been seen to be genetically determined, meaning that plants that display dioecy usually carry sex chromosomes. These species present an unique opportunity to understand sex chromosome evolution because many angiosperms have systems that have evolved more recently (compared to well-known animal systems), they allow to better understand chromosome evolution and its early stages.
We are currently working with the HudsonAlpha Biotechnology Institute to sequence and assembly the Baccharis halimifolia genome and identify the SDR (sex-determining region). We are also working on a B. halimifolia floret developmetal series, which paired with RNA sequencing data will help us better understand the specific genes that might be within the SDR and their timing and location of expression during inflorecence development.



Upper left - M. pictus flowers at University of Connecticut, spring 2023. Upper right - University of Connecticut greenhouses, spring 2023. Lower panel- A. macrophylla and A. fimbriata R2R3-MYB gene expression patterns in petaloid sepals



Left - B. halimifolia bush growing on the Auburn University campus (Alabama), fall 2023. Upper right - B. halimifolia staminate homogamous head. Lower right - B. halimifolia pistillate homogamous heads with showy white pappus for seed dispersal after pollination
Previous work (2018-2023)
My masters and undergraduate work focused in the genetic regulation of pigment and pigmentation patterns. As a masters' student, I worked under the supervision of Dr. Cynthia Jones and Dr. Yaowu Yuan at the University of Connecticut. We used Mimulus pictus as a model for understanding vein-associated pigmentation patterns, their development, and the transcription factors that could play a role.
For my undergraduate thesis I worked with Dr. Natalia Pabon-Mora at the Universidad de Antioquia, Colombia. My thesis work used the neo tropical genus Aristolochia and explored the production of pigments in this genus where flowers are made up of only petaloid sepals (sepals that take up a petal role and look, including production of trichomes, pigments, nectar guides, and nectaries). Just as in my masters, the R2R3-MYB subgroup 6 transcription factors where found to be important for the activation of color production.
Education
2023 - Present
Biological Sciences PhD Candidate
Clemson University
Clemson, South Carolina, USA
2021 - 2023
Masters of Science
University of Connecticut
Storrs, Connecticut, USA
2014 - 2020
Bachelor of Science (Honors)
Universidad de Antioquia
Medellin, Colombia
Scientific talks
2025
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Regional Society for Integrative and Comparative Biology Conference 2025
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Botany 2025 Conference
2022
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XI Congreso Colombiano de Botanica
2021
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EEB Graduate Student Symposium 2021 - University of Connecticut
2020
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II Developmental Biology New York
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IV Symposium of Exact and Natural Sciences 2020 - Universidad de Antioquia
Posters
2025
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Botany 2025 Conference
2024
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27th International Congress on Sexual Plant Reproduction 2024
2022
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Botany 2022 Conference
2019
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VII Colombian Symposium of Evolutionary Biology
Awards and Scholarships
HONORS AND AWARDS
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Developmental and Structural Section Travel Award Botany Conference 2025
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27th International Congress on Sexual Plant Reproduction Travel Award 2024
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Coulter Review 2024 - International Journal of Plant Sciences
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Developmental and Structural Section Travel Award Botany Conference 2022
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EEB UConn Graduate Research Award 2022
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First Place Plant Photography - UConn EEB Grad Student Symposium 2022
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First place Logo competition 2021 - SOL Seminars
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1st Place Outstanding Talk II Developmental Biology New York Conference 2020
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2nd Place Best Poster VII COLEVOL Symposium 2019
FELLOWSHIPS
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Presidential Graduate Research Fellowship 2023 - Auburn University
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Crandall Fellowship 2021 - University of Connecticut
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Asociacion Colombiana de Biologia Evolutiva Award 2019
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Scholarship for Academic Excellence - Biology 2016 - Universidad de Antioquia
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Scholarship for Academic Excellence - Biology 2014 - Universidad de Antioquia