Faculty |
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I am a professor in the Dept of Plant Pathology and the Genome Center at UC Davis. I have a PhD in Molecular and Physiological Plant Biology from UC Berkeley and was a postdoc at Cornell. I got interested in plant microbe interactions while studying biology at Reed College and later moved to Sweden to study mycorrhizal fungi. I enjoyed living in Sweden/France for three years but am glad to be back in California, where I grew up. When not doing science, I love to spend time hiking in the Sierra Nevada mountains with my friends, family and our dog. |
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I am Professor Emeritus in the Department of Microbiology & Molecular Genetics. I earned a B.A. in biology from the University of Colorado and a Ph.D. in microbiology from the University of Virginia, and completed postdoctoral training at Stanford University. I moved to UC Davis after twelve years on the faculty at Cornell University. My research focused on studying the physiology and genetics of enterobacteria. I have been collaborating with Prof. Ronald since 2016, focusing on Xanthomonas oryzae pv. oryzae. I love to play trumpet with the UC Davis symphony orchestra and concert band, and I also enjoy golfing, reading about politics and history, and spending time with my wife, our daughter and the family dog. https://biology.ucdavis.edu/people/valley-stewart |
Staff |
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I am Professor Ronald’s Lab Manager. I graduated in Yangzhou University in China with a Master and Bachelor in Agronomy and Plant Genetics. I moved to United States in 1994 and joined Ronald lab in Dec 1994. I enjoy working with Pam and the hardworking lab group. Besides working on research and manage Ronald lab I spend most my spare time on gardening. Karen and I have a son Colin and two cats, Big Guy and Calypso. |
Assistant Project Scientist |
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I am originally from Argentina; I have a Ph.D. in Biological Sciences and a BSc in Biotechnology from the National University of Rosario. During my Ph.D. I studied regulatory networks controlling Arabidopsis root development and discovered my passion for plant genetics and molecular biology. I decided to apply this expertise to a different plant model, a crop, so in 2018 I joined the Laboratory of Prof. Pamela Ronald as a Postdoctoral Scholar. I am currently working as part of a team that, using different approaches, aims to elucidate the molecular mechanisms underlying the ability of small peptides to control plant development and plant-microbe interactions. My passion is to see life through a microscope; therefore, I approached this key research question from a cellular biology perspective, studying the anatomical modifications these hormones are causing in detail. If you want to see fun pictures from our research, you can find me on Twitter (@NeCesiTo1TiemP0). In my free time, I love spending time with my husband Jean and our dog Gino; we go for hikes, camping, and bike rides. I also love cooking, watercolor painting, and gardening. |
Postdoctoral Scholars |
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I am a postdoc in Ronald Laboratory (Department of Plant Pathology – UC Davis). I have a PhD in Cellular and Molecular Biology from the Federal University of Rio Grande do Sul (Brazil) and a masters in Biotechnology from the Federal University of Pelotas (Brazil). I also had the experience of being a Rural Producer and Property manager in a farm for 6 years. This helped me to understand the vision of two very different points of work: developer of new technology and producer/user of these final products. I am responsible for the collection of rice mutants (KitBase) and sorghum mutants. My projects involve bioinformatics, laboratory and greenhouse work. I'm glad to study and learn about the modifications in the DNA and how these mutations can help the society with plants more tolerant to stress, more productive and with greater nutritional value in grains. In my free time, I like to improve my creative side and to do physical activities (hiking, climbing, among others). |
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I am a USDA-NIFA-AFRI Postdoctoral Fellow (Grant No. 2023-67012-39889) studying the role small, sulfated peptides play in facilitating bacterial infection of rice. I have a PhD in Plant Pathology from Colorado State University and a BSc in Microbiology and Botany from Humboldt State University (now Cal Poly Humboldt). During my PhD, I studied the role the plant hormone cytokinin plays in heat-induced disease susceptibility of plants to bacterial pathogens. The overall goal of my postdoctoral research in the Ronald Lab is to better understand how plants perceive plant- and microbe-derived peptides, to improve crop disease resistance. Besides doing science, I enjoy spending time with my husband and dog outdoors hiking, kayaking, or swimming. |
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I am a Life Sciences Research Foundation postdoctoral scholar studying rice immune receptor signaling with the goal of developing crops with greater pathogen resistance. I studied animal systems throughout my undergraduate years at Harvard College and PhD studies at Stanford University focusing on cell signaling in mammalian stem cells. Towards the end of graduate school, I became interested in plants and the role of plant sciences in addressing climate change and food security. In the Ronald Lab, I'm learning a lot about crops and engineering plant immune receptors to expand their pathogen recognition ability. Outside of lab, I enjoy cycling and playing ultimate frisbee. |
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I received my PhD in Plant Biology from Iowa State University. My PhD works were trying to understand the complicated molecular mechanisms by which plants regulate in response to dynamic environmental conditions. I particularly focused on the interplay between autophagy and phytohormone brassinosteroid signaling in Arabidopsis. I am currently working on the regulation of plant peptide hormones and their receptors in the Ronald Lab. Besides research, I am also passionate about travel and science communication. I have my own website Jin's LifeRχiv (https://jinsliferxiv.com/), and most of my posts are about plant biology. I create funny and cute illustrations/comics that explain the latest plant science research in a way everyone can understand. |
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I joined the Ronald Lab as a postdoctoral researcher in June 2023. I earned my Ph.D. in Crop Science and Biotechnology from Seoul National University, where I also completed my Bachelor's and Master's degrees. During my doctoral studies, my research focused on understanding the genetic and molecular mechanisms that control important agronomic traits in rice, such as flowering time, leaf senescence, and abiotic stress tolerance. In the Ronald Lab, I am eager to explore the transcriptional regulators of the rice peptide hormone OsPSYs and its multifaceted roles in plant defense and development. In addition to my scientific pursuits, I enjoy playing the violin, watching soccer games, and playing tennis. |
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I am a postdoctoral researcher in the Ronald lab. I grew up in Tamil Nadu, India, where I earned a Bachelor’s degree in Biotechnology (PSG College of Technology). Inspired by the impact of microbes in our life, I moved to the US to pursue a Ph.D. in Microbiology at the University of Illinois at Urbana-Champaign. For my Ph.D., I undertook interdisciplinary research focusing on the bioinformatics-guided discovery and biochemical characterization of microbially-derived peptidic natural products and proteins. During my graduate studies, I was intrigued by how microbes use natural products to communicate and establish relationships with different hosts, specifically plants. In the Ronald lab, I hope to learn about plant biology and study biochemical messengers that facilitate beneficial plant-microbe interactions. Outside of the lab, I enjoy hiking, cooking, playing shuttle badminton, and spending time with my friends and family. |
Junior Specialist |
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I am a recent graduate from UC Davis with a Bachelor's Degree in plant biology. I have a passion for molecular biology and plant-microbe interactions. My previous worked focused on the effects of elevated temperature on human pathogen contamination of lettuce. In my free time, I love to cook, bake, and spend time in nature. |
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I joined the Ronald lab in the beginning of 2024. I earned my Bachelor's Degree in Molecular, Cellular, Developmental Biology from the University of Colorado Boulder. Since graduating I have worked for a number of companies with work including, diagnostic PCR, next generation sequencing, and helping to organize and run plant pathology studies. I enjoy running, camping, and working on my classic Volkswagen bus. |
Graduate Student Researchers |
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I joined the Ronald Lab as a junior specialist in late summer 2023. I earned my B.S. in Biology at Haverford College in Haverford, PA, but stem initially from rural Northeast Ohio. During my undergraduate studies, I investigated how microbes use small molecule messengers to communicate on a biomolecular level, focusing on interactions between marine phytoplankton, bacteria, and viruses. At the Ronald Lab, I've now shifted my focus to terrestrial plants, studying how rice recognizes and coordinates an immune response to pathogens. I hope to use this knowledge to engineer plants with enhanced pathogen recognition abilities. Outside of the lab, I enjoy cooking, gardening, hiking, and foraging for plants and fungi. |
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I am a graduate student who joined the Ronald Lab in the spring of 2023. I earned a B.S. in Biotechnology at the University of Nevada, Reno and am originally from Boise, Idaho. During my undergraduate I researched how drought stress influences 3'UTR isoform expression in grapevines. I found that 3'UTRs are highly dynamic and may play an important role in regulating transcript stability and translation during droughts. This work sparked an interest in bioinformatics which has remained a constant passion of mine ever since. My main goal at the Ronald Lab is to use bioinformatics and machine learning techniques to optimize the design of more effective immune receptors in plants. Beyond lab work I enjoy cooking and baking for friends, gardening, and outdoor activities like hiking and skiing. |
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I am a PhD student in the Microbiology Graduate Group at UC Davis. I grew up in New Jersey where I also got my B.S. in Biology with a concentration in molecular cell physiology from Monmouth University. I explored how Kumquat and Manuka Essential Oils impacted the growth, viability, and stress signaling in different cancer cell lines. I then obtained my ScM in Molecular Microbiology and Immunology from Johns Hopkins Bloomberg School of Public Health. I did research on how certain artificial sweeteners modulate the gut microbiome and their subsequent effects on host metabolic health. I am currently interested in how different environmental microbiomes can be modified to mitigate the effects of climate change. In my free time I like to read, write, cook, hike, and look after my plants. |
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I am a student in the Integrative Genetics and Genomics graduate group. I earned my B.S. in Plant Biology at UC Davis, along with a minor in Music. During this time, I researched quantitative trait loci (QTL) related to tomato fitness under heat stress and interspecific reproductive barriers between tomato and its wild relatives. I also discovered a passion for teaching and led a research training program that helped over 200 undergraduates develop basic laboratory skills. At the Ronald lab, I hope to continue researching ways to help plants adapt to a stressful, changing environment. When I'm not in the lab, I enjoy listening to podcasts, urban homesteading, and spending time with my partner and family. |
Undergraduate Assistants |
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I am an undergraduate here at UC Davis majoring in Biotechnology with a focus on microbiology. I joined the laboratory in January of 2024, and have been working with Alyx to genotype and propagate rice strains for root length analysis. Outside of the lab I mostly spend my time playing collegiate field hockey for Davis or participating in philanthropy through Kappa Kappa Gamma on campus. |
The Ronald Laboratory
Crop Genetics Innovation