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A. Elizabeth "Betsy" Arnold is an American evolutionary biologist who is Professor of Plant Sciences and Curator of the Robert L. Gilbertson Mycological Herbarium at the University of Arizona. Her research considers fungal biology

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Courses
  • MD
    Microbial Diversity

  • PPM
    Principles of Plant Microbiology

  • REE
    Research in Ecology and Evolution

  • AM
    Advanced Mycology

Grants
  • Funding agency logo
    Collaborative Research: Seed-Fungal Interactions: Uncovering Functional Specificity and Primary Symbionts as Key Drivers of Tropical Tree Recruitment

    Principal Investigator (PI)

    2023

    $224.0K
    Active
  • Funding agency logo
    Collaborative Research: MRA: Distributions of macrofungi: quantifying ecosystem and climate drivers of fungal reproduction

    Principal Investigator (PI)

    2022

    $380.2K
    Active
  • Funding agency logo
    Fungal biodiversity for drug discovery

    Principal Investigator (PI)

    2022

    $70.0K
    Active
  • Funding agency logo
    Collaborative Research: MRA: Distributions of macrofungi: quantifying ecosystem and climate drivers of fungal reproduction

    Principal Investigator (PI)

    2022

    $10.5K
    Active
  • Funding agency logo
    Collaborative Research: GCR: Growing a New Science of Landscape Terraformation: The Convergence of Rock, Fluids, and Life to form Complex Ecosystems Across Scales

    Co-Investigator (COI)

    2021

    $1.2M
    Active
  • Funding agency logo
    Increasing the Effectiveness of Monitoring Abundance, Migratory Patterns, and Border Impacts of a Rare Pollinator, the Lesser Long-Nosed Bat

    Co-Investigator (COI)

    2021

    $49.5K
    Active
  • Funding agency logo
    NRT-URoL: BRIDGES - Building Resources for InterDisciplinary training in Genomic and Ecosystem Sciences

    Co-Investigator (COI)

    2020

    $3.0M
    Active
  • Funding agency logo
    Collaborative Research: Leveraging historical collections and new surveys to characterize foundational shifts in vital symbioses in the threatened Arctic

    Principal Investigator (PI)

    2020

    $443.9K
    Active
  • Funding agency logo
    Collaborative Research: Leveraging historical collections and new surveys to characterize foundational shifts in vital symbioses in the threatened Arctic

    Principal Investigator (PI)

    2020

    $55.9K
    Active
  • Funding agency logo
    DS CESU: Characterizing Genetic Structure of Mexican Spotted Owls

    Principal Investigator (PI)

    2020

    $26.4K
    Active
Publications (148)
Recent
  • Responses of endophytic fungi in a Puerto Rican rainforest to damage from Hurricane Maria

    2022

  • The pioneer effect advantage in plant invasions: site priming of native grasslands by invasive grasses

    2021

  • Traits along the leaf economics spectrum structure communities and traits of foliar endophytic symbionts

    2021

  • Transcriptional profiles of a foliar fungal endophyte (Pestalotiopsis, Ascomycota) and its endohyphal bacterium (Luteibacter, Gammaproteobacteria) in co-culture support sulfur exchange and growth regulation.

    2021

  • Ecological generalism drives hyperdiversity of secondary metabolite gene clusters in xylarialean endophytes

    2021

  • Drivers and implications of distance decay differ for ectomycorrhizal and foliar endophytic fungi across an anciently fragmented landscape.

    2021

  • Climate drives endophyte diversity and hotspots at a trans-biome scale

    2021

  • Fire history and local factors shape ectomycorrhizal communities associated with Pinus ponderosa in mountains of the Madrean Sky Island Archipelago

    2021

  • Coniochaeta elegans sp. nov., C. montana sp. nov., and C. nivea sp. nov.: three new species of endophytes with distinctive morphology and functional traits.

    2021

  • Clohesyomyces symbioticus sp. nov., a fungal endophyte associated with roots of water smartweed (Persicaria amphibia)

    2021

  • Strobiloscyphones A-F, 6-isopentylsphaeropsidones and other metabolites from Strobiloscypha sp. AZ0266, a leaf-associated fungus of Douglas fir

    2021

  • Comparative transcriptomics of fungal endophytes in co-culture with their hosts reveals fungal trophic lability and neutral to slightly positive effects on moss growth rates

    2021

  • Methodological approaches frame insights into endophyte richness and community composition

    2021

  • Community dynamics of soil-borne fungal communities along elevation gradients in neotropical and paleotropical forests

    2021

  • Endophytism in Pezizomycetes: the exception or the rule?

    2021

  • Two new endophytic species enrich the Coniochaeta endophytica / C. prunicola clade: Coniochaeta palaoa sp. nov. and C. lutea sp. nov.

    2021

  • Climate and seasonality drive the richness and composition of tropical fungal endophytes at a landscape scale

    2021

  • An epigenetic modifier induces production of 3-(4-oxopyrano)-chromen-2-ones in sp. AST0006, an endophytic fungus of

    2020

  • Extending plant defense theory to seeds

    2020

  • Teratopyrones A-C, Dimeric Naphtho-γ-Pyrones and Other Metabolites from sp. AK1128, a Fungal Endophyte of

    2020

  • A complete genome sequence for Luteibacter pinisoli MAH-14

    2019

  • Host availability drives distributions of fungal endophytes in the imperiled boreal realm

    2019

  • Diversity and composition of cultivable microbial communities in nectar of moth-pollinated plants in the Sonoran Desert

    2019

  • T-BAS Version 2.1: Tree-Based Alignment Selector toolkit for evolutionary placement of DNA sequences and viewing alignments and specimen metadata on curated and custom trees

    2019

  • Resolving metaorganism identities through a holistic framework combining reductionist and integrative approaches.

    2019

  • Coniochaeta endophytica sp. nov., a foliar endophyte that showcases challenges in defining species boundaries, even with multiple lines of evidence

    2019

  • T-BAS version 2.1: Tree-based alignment selector toolkit for evolutionary placement and viewing of alignments and metadata on curated and custom reference trees

    2019

  • Demography of a declining, endangered cactus in the Sonoran Desert

    2019

  • Diversity and distribution of microbial communities in floral nectar of two night-blooming plants of the Sonoran Desert

    2019

  • Observation on the early establishment of foliar endophytic fungi in leaf discs and living leaves of a model woody angiosperm, Populus trichocarpa (Salicaceae)

    2018

  • Quantifying beetle-macrofungal associations in a temperate biodiversity hotspot

    2018

  • Context-dependent and variable effects of endohyphal bacteria on interactions between fungi and seeds

    2018

  • Synchronized radiations in plants and fungi linked to symbiosis

    2018

  • Using collections data to infer biogeographic, environmental, and host structure in communities of endophytic fungi

    2018

  • Cytotoxic and non-cytotoxic metabolites from Teratosphaeria sp. FL2137, a fungus associated with Pinus clausa

    2018

  • Metatranscriptomic analysis of active fungal communities across a senescence gradient of the moss Dicranum scoparium

    2018

  • A novel proof of concept for capturing the diversity of endophytic fungi preserved in herbarium specimens

    2018

  • Interaction networks of macrofungi and mycophagous beetles reflect diurnal variation and the size and spatial arrangement of resources

    2018

  • Distributions of ectomycorrhizal and foliar endophytic fungal communities associated with Pinus ponderosa along a spatially constrained elevation gradient

    2018

  • Cytotoxic and Other Metabolites from Teratosphaeria sp. FL2137, a fungus associated with foliage of Pinus clausa

    2018

  • Dormancy-defense syndromes and trade-offs between physical and chemical defenses in seeds

    2018

  • Absence of genome reduction in diverse, facultative endohyphal bacteria

    2017

  • Bifiguratus adelaidae, gen. nov. sp. nov., a new lineage of Mucoromycotina with endophytic and soil-dwelling strains

    2017

  • Soilborne fungi have host affinity and host-specific effects on seed germination and survival in a lowland tropical forest

    2017

  • Chlorinated dehydrocurvularins and alterperylenepoxide A from Alternaria sp. AST0039, a fungal endophyte of Astragalus lentiginosus

    2017

  • Montagnuphilones A-G, azaphilones from Montagnulaceae sp. DM0194, a fungal endophyte of submerged roots of Persicaria amphibia

    2017

  • An epigenetic modifier induces production of (10S)-verruculide B, an inhibitor of protein tyrosine phosphatases by Phoma sp. nov. LG219, a fungal endophyte of Parkinsonia microphylla

    2017

  • An endohyphal bacterium (Chitinophaga, Bacteroidetes) influences carbon source use by Fusarium keratoplasticum (F. solani species complex, Nectriaceae)

    2017

  • Bacterial endosymbionts: master modulators of fungal phenotypes

    2017

  • Using cytochrome b to identify nests and museum specimens of cryptic songbirds

    2017

  • Community structure of fern-affiliated endophytes in three neotropical forests

    2017

  • Ophidiomyces ophiodiicola on a captive black racer (Coluber constrictor) and a garter snake (Thamnophis sirtalis) in Pennsylvania

    2016

  • Contributions of North American endophytes to the phylogeny, ecology, and taxonomy of the Xylariaceae.

    2016

  • Oxaspirol B with p97 inhibitory activity and other oxaspirols from Lecythophora sp. FL1375 and FL1031, endolichenic fungal strains inhabiting Parmotrema tinctorum and Cladonia evansii

    2016

  • Interaction type influences ecological network structure more than local abiotic conditions: evidence from fungal symbionts at a continental scale

    2016

  • Isolation of endohyphal bacteria from foliar fungi and in vitro establishment of their symbiotic associations

    2016

  • Chemical constituents and their antibacterial activity from the tropical endophytic fungus Diaporthe sp. F2934

    2016

  • Enhancing fungal species discovery and description using T-BAS: Tree-Based Alignment Selector toolkit for phylogenetic-based placement, alignment downloads, and metadata visualization

    2016

  • Pervasive effects of wildfire on foliar endophyte communities in montane forest trees

    2016

  • Diversity, Specificity, and Phylogenetic Relationships of Endohyphal Bacteria in Fungi that Inhabit Tropical Seeds and Leaves

    2016

  • Variation in ectomycorrhizal communities associated with Oreomunnea mexicana (Juglandaceae) in tropical montane forests

    2015

  • Cytotoxic cytochalasins and other metabolites from Xylariaceae sp. FL0390, a fungal endophyte of Spanish moss

    2015

  • Do microbes and abrasion by soil particles influence seed persistence and loss of physical dormancy in tropical seedbanks?

    2015

  • Metatranscriptome analysis of fig flowers suggests mechanisms for mutualism stability and gall induction

    2015

  • Fungal endophytes of desert plants: infrequent in culture, but diverse and distinctive symbionts

    2015

  • Anteaglonialides A–F, Spironaphtho-1,8-dioxincyclohexa--butyrolactones and Palmarumycins CE1–CE3 from Anteaglonium sp. FL0768, a fungal endophyte of sand spikemoss, Selaginella arenicola

    2015

  • Pulvinulin A, Graminin C, and cis-Gregatin B - New Natural Furanones from Pulvinula sp 11120, a Fungal Endophyte of Cupressus arizonica

    2015

  • Sesquiterpenes and other constituents of Xylaria sp NC1214, a fungal endophyte of the moss Hypnum sp.

    2015

  • Phylogenetic analyses of eurotiomycetous endophytes reveal their close affinities to Chaetothyriales, Eurotiales, and a new order – Phaeomoniellales

    2015

  • Tissue storage and primer selection influence pyrosequencing-based inferences of diversity and community composition of endolichenic and endophytic fungi

    2014

  • Communities of fungal endophytes in tropical forest grasses: highly diverse host- and habitat generalists characterized by strong spatial structure

    2014

  • Fungal endophytes of aquatic macrophytes: diverse host-generalists characterized by tissue preferences and geographic structure

    2014

  • Multigene phylogenetic analysis for 1307 fungi representing 1139 infrageneric taxa, 312 genera, and 66 families of the class Lecanoromycetes (Ascomycota)

    2014

  • A distributed effort to improve annotation of ITS sequences from plant pathogenic fungi

    2014

  • Delitschiapyrone A, a pyrone-naphthalenone adduct bearing an unprecedented pentacyclic ring system from the leaf-associated fungus Delitschia sp. FL1581

    2014

  • Chemical and bioactive natural products from Microthyriaceae sp., an endophytic fungus from a tropical grass.

    2014

  • Sloth fur as a novel source of fungi with potent anti-parasitic and anti-bacterial activity.

    2014

  • Interannual variation and host affiliations of endophytic fungi associated with ferns at La Selva, Costa Rica.

    2014

  • Genetic variation in horizontally transmitted symbionts of pine needles reveals population structure in cryptic species

    2014

  • 10;-Deoxy-10 alpha-hydroxyascochlorin, a new cell migration inhibitor and other metabolites from Acremonium sp., a fungal endophyte in Ephedra trifurca

    2013

  • Novel aspects in the life cycle and biotrophic interactions in the Pezizomycetes

    2013

  • Factors influencing communities of foliar fungal endophytes in riparian woody plants

    2013

  • Secoemestrin D, a cytotoxic epitetrathiodioxopiperizine, and Emericellenes A-E, five sesterterpenoids from Emericella sp AST0036, a fungal endophyte of Astragalus lentiginosus.

    2013

  • Bioactivity of fungal endophytes as a function of their taxonomy and the taxonomy and distribution of host plants.

    2013

  • Fungal endophytes in riparian areas of Arizona illustrate effects of microenvironment on symbiont assemblages

    2013

  • Novel aspects in the life cycle and biotrophic interactions in Pezizomycetes (Ascomycota, Fungi)

    2013

  • Relative investment in egg load and poison sac in fig wasps: Implications for physiological mechanisms underlying seed and wasp production in figs

    2013

  • Mycoleptodiscins A and B, cytotoxic alkaloids from the endophytic fungus Mycoleptodiscus sp. F0194

    2013

  • Antiparasitic and anticancer constituents of the endophytic fungus Aspergillus sp. strain F1544

    2012

  • Student-directed discovery of the plant microbiome and its products

    2012

  • Host and geographic structure of endophytic and endolichenic fungi at a continental scale

    2012

  • Culture-based study of endophytes associated with rubber trees in Peru reveals a new class of Pezizomycotina: Xylonomycetes

    2012

  • Origin of pisatin demethylase (PDA) in the genus Fusarium

    2012

  • Persistent effects of wildfire on fungal endophyte communities in Quercus hypoleucoides and Juniperus deppeana

    2012

  • IAA production by endophytic Pestalotiopsis is enhanced by an endohyphal bacterium

    2012

  • Culture-free survey reveals diverse fungal communities associated with figs (Ficus spp.) in Panama

    2012

  • Coibanoles, a new class of meroterpenoids produced by Pycnoporus sanguineus

    2012

  • Antifungal depsidone metabolites from Cordyceps dipterigena, an endophytic fungus antagonistic to the phytopathogen Gibberella fujikuroi

    2012

  • Geopyxins A-E, ent-kaurane diterpenoids from endolichenic fungal strains, Geopyxis aff. majalis and Geopyxis sp. AZ0066: structure-activity relationships of geopyxins and their analogues

    2012

  • Chemical constituents of the new endophytic fungus Mycosphaerella sp. nov. and their anti-parasitic activity

    2011

  • Seed survival in soil: Interacting effects of predation, dormancy and the soil microbial community

    2011

  • Interkingdom gene transfer of a hybrid NPS/PKS from bacteria to filamentous ascomycota

    2011

  • Screening and evaluation of antiparasitic and in vitro anticancer activities of Panamanian endophytic fungi

    2011

  • Smardaesidins A-G, new isopimarane and 20-Nor-isopimarane diterpenoids isolated from Smardaea sp., endophyte of the moss Ceratodon purpureus

    2011

  • Culturing and direct PCR suggest prevalent host generalism among diverse fungal endophytes of tropical forest grasses

    2011

  • Diversity, abundance and community network structure in sporocarp-associated beetle communities of the central Appalachian Mountains

    2010

  • Moving from pattern to process in fungal symbioses: Linking functional traits, community ecology and phylogenetics

    2010

  • Fungal endophyte diversity in coffee plants from Colombia, Hawai'i, Mexico and Puerto Rico

    2010

  • Community Analysis Reveals Close Affinities Between Endophytic and Endolichenic Fungi in Mosses and Lichens

    2010

  • Diverse bacteria inhabit living hyphae of phylogenetically diverse fungal endophytes

    2010

  • Not every fungus is everywhere: Scaling to the biogeography of fungal-plant interactions across roots, shoots and ecosystems

    2010

  • Protocol to isolate sponge-associated fungi from tropical waters and an examination of their cardioprotective potential

    2010

  • Interwoven branches of the plant and fungal trees of life

    2010

  • A phylogenetic estimation of trophic transition networks for ascomycetous Fungi: Are lichens cradles of symbiotrophic Fungal diversification?

    2009

  • Fungal endophytes: Diversity and functional roles: Tansley review

    2009

  • Diversity and evolutionary origins of fungi associated with seeds of a neotropical pioneer tree: a case study for analysing fungal environmental samples

    2009

  • FESIN workshops at ESA - The mycelial network grows

    2009

  • A review of the Bembidion (Odontium) aenulum subgroup (Coleoptera: Carabidae), with description of a new species

    2009

  • Geographic locality and host identity shape fungal endophyte communities in cupressaceous trees

    2008

  • Activity against Plasmodium falciparum of lactones isolated from the endophytic fungus Xylaria sp.

    2008

  • Moths that vector a plant pathogen also transport endophytic fungi and mycoparasitic antagonists

    2008

  • Host generalists dominate fungal communities associated with seeds of four neotropical pioneer species

    2008

  • Endophytic fungi as biocontrol agents of Theobroma cacao pathogens

    2008

  • Endomelanconiopsis, a new anamorph genus in the Botryosphaeriaceae

    2008

  • Fungal networks made of humans: UNITE, FESIN, and frontiers in fungal ecology

    2008

  • Preserving accuracy in GenBank

    2008

  • Fungal endophytes nearly double minimum leaf conductance in seedlings of a neotropical tree species

    2007

  • The authors reply [2]

    2007

  • The influence of seed source, Habitat and fungi on cecropia seed survival in two neotropical forests

    2007

  • Diversity and host range of foliar fungal endophytes: Are tropical leaves biodiversity hotspots?

    2007

  • Phylogenetic relationships, host affinity, and geographic structure of boreal and arctic endophytes from three major plant lineages

    2007

  • Diversity, host affinity, and distribution of seed-infecting fungi: A case study with Cecropia

    2007

  • Diversity and phylogenetic affinities of foliar fungal endophytes in loblolly pine inferred by culturing and environmental PCR

    2007

  • Filling key gaps in population and community ecology

    2007

  • Biotic and abiotic factors influencing the distribution of the Huachuca springsnail (Pyrgulopsis thompsoni)

    2007

  • Understanding the diversity of foliar endophytic fungi: progress, challenges, and frontiers

    2007

  • A five-gene phylogeny of Pezizomycotina

    2006

  • Reconstructing the early evolution of Fungi using a six-gene phylogeny

    2006

  • New insights into classification and evolution of the Lecanoromycetes (Pezizomycotina, Ascomycota) from phylogenetic analyses of three ribosomal RNA- and two protein-coding genes

    2006

  • Assembling the fungal tree of life: Progress, classification, and evolution of subcellular traits

    2004

  • Fungal endophytes limit pathogen damage in a tropical tree

    2003

  • Canopy cover and leaf age affect colonization by tropical fungal endophytes: Ecological pattern and process in Theobroma cacao (Malvaceae)

    2003

  • Herbivory in a fragmented tropical forest: Patterns from islands at Lago Gatún, Panama

    2002

  • Fungal endophytes in dicotyledonous neotropical trees: Patterns of abundance and diversity

    2001

  • Are tropical fungal endophytes hyperdiverse?

    2000

  • The fruits the agouti ate: Hymenaea courbaril seed fate when its disperser is absent

    1999

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