Plant Virus Research Studies

A modelling framework to estimate vector dispersal and disease spread in an important agricultural pathosystem

The paper develops a stage-structured model to estimate vector dispersal and disease spread in cereal aphid-virus systems, showing diversity at multiple levels influences disease risk.

Alternative splicing expands the functional portfolio of a plant virus to control the viral cycle

This study shows that geminivirus TYLCV uses alternative splicing to generate Rep isoforms with distinct functions in viral replication and gene regulation.

Reprogramming of auxin and brassinosteroid signaling is an early part of the homeostatic response to a viral movement protein

This study identifies an auxin-BR antagonistic module that regulates plasmodesmal connectivity in response to viral movement proteins during early infection.

A receptor-like kinase controls plasmodesmal transport of conserved 30K viral movement proteins through phosphorylation

RDA2, a lectin receptor-like kinase, directly phosphorylates conserved 30K viral movement proteins to control their plasmodesmal targeting and restrict cell-to-cell viral spread in plants.

A plant virus, TYLCV, up-regulates an endocrine oxylipin signal in its insect vector, Bemisia tabaci, via the viral C2 virulence factor for viral transmission

This study shows that TYLCV enhances Bemisia tabaci vector competence by upregulating EpOME through its C2 gene, promoting viral transmission.

Munger black raspberry: Insights into its role as a virus indicator for Rubus species

The paper investigates why Munger black raspberry (Rubus occidentalis) is a preferred indicator for Rubus viruses by comparing virus accumulation between Munger and Natchez blackberry.

Transposable element-derived siRNAs control viral disease in Arabidopsis

The paper shows that 21-nucleotide siRNAs from transposable elements help Arabidopsis transition from disease to tolerance during viral infection.

An aphid resistant wheat variety reduces the transmission of Barley Yellow Dwarf Virus (BYDV) by Rhopalosiphum padi (L.)

This study shows that an aphid-resistant wheat variety (G1) reduces BYDV transmission by R. padi, while a resistant variety (RGT Wolverine) limits viral replication despite high transmission.

Subgenomic RNA Co-packaging Links Capsid Dynamics to Cell-to-Cell Movement in Brome Mosaic Virus

This paper shows that packaging subgenomic RNA4 in BMV virions affects capsid dynamics and enhances cell-to-cell viral movement.

Rapid colorimetric detection of citrus tristeza virus combining portable sample preparation and reverse transcription-loop mediated isothermal amplification

This paper develops a rapid colorimetric detection method for citrus tristeza virus using portable sample prep and RT-LAMP, achieving high efficiency and reliability in greenhouse settings.

Grapevine Red Blotch Virus Induces Haplotype-specific Genetic and Epigenetic Responses

This study uses haplotype-resolved genomics to show GRBV induces distinct genetic and epigenetic responses in grapevines, revealing asymmetric antiviral strategies and epigenetic reprogramming.

Topical application of carbon dots and mesoporous silica nanoparticle-derived dsRNA-nanocomposites for the control of beet curly top virus and turnip mosaic virus

This paper demonstrates the use of dsRNA nanocomposites with carbon dots or mesoporous silica nanoparticles to control two plant viruses in Nicotiana benthamiana, showing reduced viral titers and delayed symptoms.

CMV can spread through plant to plant contact: implications for experimental practices

This study shows CMV can spread between pepper and several weed species through direct contact, challenging assumptions about its transmission methods.

Evolutionary origin and demographic trajectory of tomato spotted wilt virus (Orthotospovirus tomatomaculae)

This study uses Bayesian analysis of TSWV genome sequences to estimate its evolutionary origin, divergence date, and demographic history, finding it originated in South Korea around 1768 CE and expanded with agricultural development.

Begomovirus species demarcation based on genome-sequence identity often yields non-monophyletic species: A case study of sweet potato-infecting begomoviruses

The paper analyzes sweet potato-infecting begomoviruses and finds that genome-sequence identity thresholds fail to produce monophyletic species due to recombination and paraphyly.

Complex Interactions Between Genome Components of Two ToLCNDV Isolates from India and Spain Determine Effective Infection in Tomato

This study compares the systemic infection capabilities of two ToLCNDV isolates and their pseudo-recombinants in tomato and N. benthamiana, revealing isolate- and host-dependent differences in component compatibility.

Asynchronous viral spread of two unrelated viruses determines Lettuce Big Vein Disease symptom development

The paper investigates the asynchronous spread of two unrelated viruses causing lettuce big-vein disease and finds that LBVaV precedes MiLBVV spread, facilitating its movement and contributing to disease severity.

Insights from controlled, comparative experiments highlight the limitations of using BSMV and FoMV for virus-enabled reverse genetics in rice

This study shows that BSMV and FoMV, commonly used for virus-enabled reverse genetics, fail to induce gene silencing or overexpression in rice despite optimization, suggesting species-specific resistance.

Defender or accomplice? Dual roles of plant vesicle trafficking in restricting and enabling geminiviral systemic infection.

This study shows that plant vesicle trafficking genes have dual roles in geminiviral infection, with some promoting and others restricting systemic spread.

AGO5 restricts virus vertical transmission in plant gametophytes

This study shows AGO5 in Arabidopsis thaliana gametes restricts Turnip yellow mosaic virus vertical transmission by triggering antiviral RNA interference in pollen and sperm cells.

Gene Silencing in Plants by Artificial Small RNAs Derived from Minimal Precursors and Expressed via Tobacco Rattle Virus

This paper develops a transgene-free method using tobacco rattle virus to express artificial small RNAs for efficient gene silencing in plants.

A flexible Janus head: molecular determinants of a viral protein's RNAi suppressor and capsid forming activities

This study investigates the molecular mechanisms of TCV P38, a viral protein with dual functions as an RNAi suppressor and capsid-forming protein, revealing its structural flexibility and domain interactions.

Viral silencing suppressor activity in plants modifies aphid antiviral immunity and fecundity

This study shows that plant viral silencing suppressors affect aphid antiviral immunity and fecundity, revealing co-evolutionary interactions between plants, viruses, and insect vectors.

Comparative genomics and interactions of vector thysanopterans and transmitted viruses

The paper analyzes thrips genomes and their interactions with orthotospoviruses, identifying protein-protein interactions that may facilitate virus transmission.

Functionality of potato virus Y coat protein in cell-to-cell movement is defined by its N terminal region

This study identifies the N-terminal region of PVY coat protein as critical for cell-to-cell movement and systemic spread in Nicotiana clevelandii plants.

A SUMO interacting motif in the Replication initiator protein of Tomato yellow leaf curl virus is required for viral replication

This study identifies a SUMO interacting motif in TYLCV Rep essential for viral replication and SUMO machinery interaction.

Plant responses to wheat curl mites and wheat streak mosaic virus (WSMV): first evidence of virus tolerance in wheat

The paper identifies Hatcher wheat as tolerant to wheat curl mites and WSMV, showing enhanced yield under disease pressure through coordinated defense and growth responses.

Oxford Nanopore Sequencing as a useful tool for investigating the population dynamics of invasive begomoviruses in Sicily

This study uses Oxford Nanopore sequencing to analyze begomovirus population dynamics in Sicilian tomato plants, revealing a shift from parental viruses to recombinant variants over time.

Symptom observation underestimates co-infections: insight from viral and bacterial diseases in rice fields in Burkina Faso

The paper shows that symptom observation in rice fields greatly underestimates co-infections by RYMV and Xoc, revealing 12.4% co-infection rates in symptomatic samples.

Pervasive splicing in a plant DNA virus

The paper identifies widespread RNA splicing in a plant DNA virus, showing it enhances viral infectivity by expanding the proteome.