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Jonathan R. Dickey, Microbial Ecologist

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Areas of Interest

Microbial ecology & biogeography, Host-associated microbial communities,

Freshwater ecology, Riparian ecology, Aquatic-terrestrial linkages,

Metagenomics, Biostatistics

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Jonathan R. Dickey, Ph.D

Jonathan Dickey attended The University of Texas at Austin where he completed a Bachelor of Science in Ecology, Evolution, and Behavior. After a multi-agency internship with the U.S. National Park Service and U.S. Forest Service and Bureau of Land Management, Jonathan began pursuing a Ph.D at The University of Tennessee, Knoxville in the Department of Ecology and Evolutionary Biology. There, his research investigated the small-scale distribution of plant-host associated microorganisms and the ecological factors that govern these distributions.

 

Currently, he is a post-doctoral scholar in the Jackrel Lab at the University of California San Diego, where he uses multi'omics strategies to investigate microbial succession and metabolism as the mechanistic links between host-microbe interactions in freshwater rivers. Further, he asks how these interactions can scale up and regulate ecosystem processes and patterns, such as the Home-Field Advantage phenomenon found in leaf litter decomposition. He also uses novel statistical approaches to analyze the effect spatiotemporal factors have on our interpretations of microbial community assembly and diversity.

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Education

 Fall 2017 - Spring 2022

Ph.D, The University of Tennessee Knoxville

Ecology and Evolutionary Biology 
College of Arts and Sciences
Department of Ecology and Evolutionary Biology
Fordyce Lab

Fall 2010 - Spring 2014

B.S., The University of Texas at Austin

Biology: Ecology, Evolution, and Behavior

College of Natural Science
Department of Integrative Biology

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Recent Publications

For a full list of publications (accepted, in review, in prep) please visit my Curriculum Vitae linked above, top right

Host identity drives the assembly of diatom microbiomes across a continental scale environmental gradient.

ISME Journal, 2025

PS White., TY. Broe, MCM. Kuijpers, JR. Dickey, and SL. Jackrel.

Biodiversity within phytoplankton-associated microbiomes regulates host physiology, host community ecology, and nutrient cycling.

mSystems, 2025

Jonathan R. Dickey, Nikki M. Mercer, Mirte C. M. Kujipers, Ruben Props, and Sara L. Jackrel

Arbuscular mycorrhizal fungal communities vary as a response to short-term rainfall exclusion in the Sonoran Desert

Elementa: Science of the Anthropocene, 2024.

Jonathan R. Dickey and James A. Fordyce

The utility of macroecological rules for microbial biogeography

Fronteirs in Ecology and Evolution, 2021

Jonathan R. Dickey, Rachel Swenie, Claire Winfrey, Sophia Turner, Daniela Yaffar, Kimberly Sheldon, and Stephanie Kivlin

Bacterial communities of the rhizosphere explained by spatial structure and sampling grain

Journal of Microbial Ecology, 2020

Jonathan R. Dickey, James A. Fordyce, and Sarah L. Lebeis

Past Research Experience

The University of Texas at Austin, Borderlands Restoration and American Conservation Experience (EPIC Internship)

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Professional Appointments

Post-Doctoral Scholar

The University of California San Diego

School of Biological Sciences

Department of Ecology, Behavior, and Evolution, Jackrel Lab

National Institutes of Health, Principal Investigator: Dr. Sara Jackrel

Instructor on Record

The University of Tennessee, Knoxville

Department of Ecology and Evolutionary Biology

Field Based Ecology Laboratory, Introductory Plant Biology Laboratory

Research Assistant

The University of Tennessee Knoxville, Fordyce Laboratory

The National Science Foundation, Division of Environmental Biology Dimensions of Biodiversity Grant (~$43,375)

Principal Investigators: Drs. James A. Fordyce & Sarah L. Lebeis

Teaching Assistant

The University of Tennessee, Knoxville

Department of Ecology and Evolutionary Biology

Biostatistics, Introduction to Plant Biology, Organismal and Ecological Biology, Biological Literacy

Outreach/Service

For an updated Outreach/Service experience list, please visit my C.V.

Dean's Woods Clean Up

2017-2022

The University of Tennesee Knoxville, Knoxville, Tennessee: Invasive species removal

Verde Valley School

February 2017

Chiricahua National Monument Arizona: Conservation education and outreach, seed collection and  restoration

Sky Island Alliance

Fall 2016

Gila Cliff Dwellings National Monument New Mexico: Restoration

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Powers Garden, Galiuros Mountains, Arizona: Voucher herbarium collection, natural spring assessments, education

Let's Connect

The University of California San Diego
School of Biological Sciences

9500 Gilman Drive 

La Jolla, California 92093

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