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Geminiviruses: masters at redirecting and reprogramming plant processes

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TLDR
This Review describes the current knowledge of how geminiviruses interact with their plant hosts and the functional consequences of these interactions.
Abstract
The family Geminiviridae is one of the largest and most important families of plant viruses. The small, single-stranded DNA genomes of geminiviruses encode 5-7 proteins that redirect host machineries and processes to establish a productive infection. These interactions reprogramme plant cell cycle and transcriptional controls, inhibit cell death pathways, interfere with cell signalling and protein turnover, and suppress defence pathways. This Review describes our current knowledge of how geminiviruses interact with their plant hosts and the functional consequences of these interactions.

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Citations
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Journal ArticleDOI

Geminivirus-Encoded Proteins: Not All Positional Homologs Are Made Equal

TL;DR: Geminiviruses can be used as probes to deepen the understanding not only of plant-virus interactions, but also of different aspects of plant biology.
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Hexanoic Acid Treatment Prevents Systemic MNSV Movement in Cucumis melo Plants by Priming Callose Deposition Correlating SA and OPDA Accumulation.

TL;DR: The basal response of melon to Melon necrotic spot virus (MNSV) is studied and the efficacy of hexanoic acid (Hx) priming is demonstrated, which prevents the virus from systemically spreading.
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The recombination mediator RAD51D promotes geminiviral infection

TL;DR: The results show that the RAD51 paralog RAD51D, rather than RAD51 itself, promotes viral replication at early stages of infection, and a model to implicate single-strand annealing recombination in geminiviral recombination-dependent replication is proposed.
Journal ArticleDOI

Recent advances on the plant manipulation by geminiviruses.

TL;DR: An overview of the different steps in the geminiviral invasion of the host plant is offered, and the knowns and unknowns in Geminivirus biology are explored.
References
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Journal ArticleDOI

Top 10 plant viruses in molecular plant pathology

TL;DR: A short review on each virus of the Top 10 list and its importance is presented, with the intent of initiating discussion and debate amongst the plant virology community, as well as laying down a benchmark, as it will be interesting to see in future years how perceptions change and which viruses enter and leave the Top10.
Journal ArticleDOI

Geminiviruses: Models for Plant DNA Replication, Transcription, and Cell Cycle Regulation

TL;DR: The goal of this review is to summarize recent research addressing geminivirus DNA replication and its integration with transcriptional and cell cycle regulatory processes.
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Emerging Virus Diseases Transmitted by Whiteflies

TL;DR: Factors driving the emergence and establishment of whitefly-transmitted diseases include genetic changes in the virus through mutation and recombination, changes inThe vector populations coupled with polyphagy of the main vector, Bemisia tabaci, and long distance traffic of plant material or vector insects due to trade of vegetables and ornamental plants.
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Exploiting chinks in the plant's armor: evolution and emergence of geminiviruses

TL;DR: The geminiviruses represent a family of DNA viruses that has circumvented these impediments to emerge as one of the most successful viral pathogens, causing severe economic losses to agricultural production worldwide.
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Global analysis of Arabidopsis gene expression uncovers a complex array of changes impacting pathogen response and cell cycle during geminivirus infection

TL;DR: Geminiviruses modulate plant cell cycle status by differentially impacting the CYCD/retinoblastoma-related protein/E2F regulatory network and facilitating progression into the endocycle.
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