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My research program aims to understand the intricate interplays between viruses and their plants hosts during infection and pathogenesis. Areas of research interests include gene expression and replication of RNA and DNA viruses, mechanisms of plant resistance to viral infections and resistance-breaking by RNA viruses, recombination and evolution of RNA viruses, and pathogenomics studies using the state-of-the-art resequencing microarray and high-throughput sequencing technologiesShow Less
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Courses
- GMGeneral Microbiology
- BCPPABiology and Characterization of Plant Pathogenic Agents
Grants
- Screening for HLB Specific, High-Titered Monoclonal Antibodies
Principal Investigator (PI)
2019
$54.6K
- Identification, Characterization and Control of Seed-Transmitted New Diseases of Citrus
Principal Investigator (PI)
2018
$35.0K
- Sensitivity of and Potentials for Early Detection of Diseased Plants by Existing and Novel Polarimetry Devices
Principal Investigator (PI)
2018
$20.6K
- Cotton Leaf Curl Burewala Virus Complex: Virus-Host Interactions
Principal Investigator (PI)
2017
$3.5K
- Early Detection of Citrus HLB
Principal Investigator (PI)
2016
$51.3K
- Collaborative Research: Extracellular DNA: In Defense of Plant Cells
Co-Investigator (COI)
2015
$595.9K
- Characterization and Manipulation of the Prophages/Phages of 'Candidatus Liberibacter Asiaticus' for the Control of Citrus Huanglongbing
Principal Investigator (PI)
2014
$79.7K
- Gene Editing to Create Immunity Against Cassava Brown Steak
Principal Investigator (PI)
2012
$100.0K
- Rapid Detection of Citrus Greening Bacterium
Principal Investigator (PI)
2012
$73.5K
- Extracellular DNA in Defense of Plant Cells
Co-Investigator (COI)
2011
$307.4K
News
- UA Receives Grand Challenges Exploration Grants
2012
Publications (69)
Recent
- A high efficacy DNA vaccine against Tilapia lake virus in Nile tilapia (Oreochromis niloticus)
2022
- Consecutive soybean (Glycine max) planting and covering improve acidified tea garden soil
2021
- Complete genomic sequence of Noni mosaic virus (NoMV) associated with a mosaic disease in Morinda citrifolia L.
2020
- Occurrence, genetic diversity, and recombination of maize lethal necrosis disease-causing viruses in Kenya.
2020
- A simplified method for the simultaneous detection of nervous necrosis virus and iridovirus in grouper Epinephelus spp.
2019
- A novel species of potyvirus, Noni mosaic virus (NoMV), was identified in Morinda citrifolia L.
2019
- A DNase from a Fungal Phytopathogen Is a Virulence Factor Likely Deployed as Counter Defense against Host-Secreted Extracellular DNA
2019
- Complete Genomic Sequence of Noni mosaic virus (NoMV), a Novel Potyvirus Associated with a Mosaic Disease in Morinda citrifolia L.
2019
- Battles in the outer space: Extracellular DNases secreted by Pectobacterium carotovorum and its host plants
2018
- Molecular and biological characterization of a novel mild strain of citrus tristeza virus in California
2018
- Variations of five eIF4E genes across cassava accessions exhibiting tolerant and susceptible responses to cassava brown streak disease
2017
- Visualization of extracellular DNA released during border cell separation from the root cap
2017
- Displaying foreign proteins and peptides on the surface of Pepino mosaic virus virions
2016
- Two eIF4E proteins in Yellow Lantern chili pepper interact with Pepper veinal mottle virus VPg
2016
- Roots: Contribution to the Rhizosphere
2016
- Root Border Cells and Their Role in Plant Defense
2016
- Replication and transcription are independently modulated for each Banana bunchy top virus DNA component
2016
- Profiling virus infection using small RNA sequencing data: A case study of virome from a small-holder farm
2015
- A reliable and highly sensitive, digital PCR-based assay for early detection of citrus Huanglongbing
2015
- Two amino acids of cassava novel cap-binding proteins critical for their interaction with Cassava brown streak virus VPg
2015
- Diversity and recombination of DNA-U3 of Banana bunchy top virus
2015
- Signals Controlling Extracellular Trap Formation in Plant and Animal Immune Responses
2014
- Complete genome of Hainan papaya ringspot virus using small RNA deep sequencing
2014
- Altered growth and root tip morphology in Pisum sativum L. in response to altered expression of a gene expressed in border cells
2014
- Intraspecies variation in cotton border cell production: rhizosphere microbiome implications
2013
- A torradovirus complex in Sinaloa, Mexico
2013
- Measuring Root Disease Suppression in Response to a Compost Water Extract
2013
- Intrahost mechanisms governing emergence of resistance-breaking variants of Potato virus Y
2013
- Centennial Symposium in Memory of Professor Wei-Fan Chiu
2012
- First report of Chilli ringspot virus in China
2012
- Biological and molecular characterization of Tomato chlorotic dwarf viroid in Arizona
2012
- First Report of Chilli ringspot virus on Chili Pepper in China
2012
- Genetic diversity and whitefly transmission of Tomato apex necrosis virus
2012
- Cloning and sequence analysis of two banana bunchy top virus genomes in Hainan
2012
- The plant extracellular DNA component of root exudates: Functional impact and implications for carbon cycling, disease, and sustainable agriculture
2012
- Advances in plant virus evolution: Translating evolutionary insights into better disease management
2011
- Extracellular trapping of bacteria in plant defense responses: Dynamics and specificity
2011
- Engineering an infectious cDNA clone of an Arizona Pepino mosaic virus isolate
2011
- Extracellular DNA: the tip of root defenses?
2011
- Genomic sequencing and analysis of Chilli ringspot virus, a novel potyvirus
2011
- Dissect the evolutionary process of Potato virus Y to overcome host resistance during single-host passages
2011
- Viral population analysis by genomic sequencing
2010
- Another 'extracellular polysaccharide' functioning in plant defense: Role of structural DNA in border cell-mediated defense of the legume root tip
2009
- Uncoupling the cell-to-cell movement and RNA silencing suppressor functions of Saguaro cactus virus capsid protein
2009
- Extracellular DNA is required for root tip resistance to fungal infection
2009
- Three discontinuous loop nucleotides in the 3' terminal stem-loop are required for Red clover necrotic mosaic virus RNA-2 replication
2009
- Complete genomic sequence of a Papaya ringspot virus isolate from Hainan Island, China
2008
- Complementary functions of two recessive R-genes determine resistance durability of tobacco 'Virgin A Mutant' (VAM) to Potato virus Y
2008
- Fighting fungal pathogen by secreting extracellular DNA at pea root tips
2008
- Persistent infection and promiscuous recombination of multiple genotypes of an RNA virus within a single host generate extensive diversity
2007
- Complementation of Saguaro cactus virus cell-to-cell movement by a single movement protein of Red clover necrotic mosaic virus
2007
- Natural occurrence of Chilli veinal mottle virus on Capsicum chinense in China.
2006
- Dissecting evolutionary process of resistance-breaking by Potato virus Y (PVY)
2005
- Analysis of the Citrus tristeza virus (CTV) genome using resequencing microarrays
2005
- Paternal inheritance of chloroplast DNA in interspecific hybrids in the genus Larrea (Zygophyllaceae)
2000
- First report of papaya leaf curl disease in Pakistan
1997
- Genome organization and gene expression of saguaro cactus carmovirus
1997
- Erratum: A Method for Accurate Determination of Terminal Sequences of Viral Genomic RNA (Genome Research 2 (202-207))
1996
- Cotton Leaf Curl Virus, A Threat to Arizona Cotton?
1995
- A method for accurate determination of terminal sequences of viral genomic RNA
1995
- NUCLEOTIDE-SEQUENCE OF THE CAPSID PROTEIN CISTRONS FROM 6 POTATO VIRUS-Y (PVY) ISOLATES INFECTING TOBACCO
1993
- The roles of the red clover necrotic mosaic virus capsid and cell-to-cell movement proteins in systemic infection
1993
- Nucleotide sequence of the capsid protein cistrons from six potato virus Y (PVY) isolates infecting tobacco
1993
- Synthesis of the putative red clover necrotic mosaic virus RNA polymerase by ribosomal frameshifting in vitro
1993
- Red clover necrotic mosaic virus infectious transcripts synthesized in Vitro
1991
- Identification of the Maize chlorotic mottle virus capsid protein cistron and characterization of its subgenomic messenger RNA
1991
- The complete nucleotide sequence and genome organization of red clover necrotic mosaic virus RNA-1
1989
- The nucleotide sequence and gene organization of red clover necrotic mosaic virus RNA-2
1988