ArticlePlant molecular biology2004
Arabidopsis mutants that suppress the phenotype induced by transgene-mediated expression of cauliflower mosaic virus (CaMV) gene VI are less susceptible to CaMV-infection and show reduced ethylene sensitivity.
Article in Plant molecular biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 55 citations in OpenAlex.
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- Evaluation of Virus-Free Chrysanthemum 'Hangju' Productivity and Response to Virus Reinfection in the Field: Molecular Insights into Virus-Host Interactions.Plants (Basel, Switzerland) · 2024Article
- Transcriptome analysis of Citrus limon infected with Citrus yellow vein clearing virus.BMC genomics · 2023Article
- Reactive oxygen species-related genes participate in resistance to cucumber green mottle mosaic virus infection regulated by boron inFrontiers in plant science · 2022Article
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- Current understanding of the interplays between host hormones and plant viral infections.PLoS pathogens · 2021Review
- Effect of virus infection on the secondary metabolite production and phytohormone biosynthesis in plants.3 Biotech · 2020Review
- NbALD1 mediates resistance to turnip mosaic virus by regulating the accumulation of salicylic acid and the ethylene pathway in Nicotiana benthamiana.Molecular plant pathology · 2019Article
- Plant defense against virus diseases; growth hormones in highlights.Plant signaling & behavior · 2019Review
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- Exploring the Diversity of Mechanisms Associated With Plant Tolerance to Virus Infection.Frontiers in plant science · 2018Review
- A viral protein promotes host SAMS1 activity and ethylene production for the benefit of virus infection.eLife · 2017Article
- Setting Up Shop: The Formation and Function of the Viral Factories ofFrontiers in plant science · 2017Review
- Roles of plant hormones in the regulation of host-virus interactions.Molecular plant pathology · 2015Review
- Association of the P6 protein of Cauliflower mosaic virus with plasmodesmata and plasmodesmal proteins.Plant physiology · 2014Article
- Microarray analysis of tomato plants exposed to the nonviruliferous or viruliferous whitefly vector harboring Pepper golden mosaic virus.Journal of insect science (Online) · 2014Article
- Identification of the domains of cauliflower mosaic virus protein P6 responsible for suppression of RNA silencing and salicylic acid signalling.The Journal of general virology · 2013Article
- Cauliflower mosaic virus protein P6 inhibits signaling responses to salicylic acid and regulates innate immunity.PloS one · 2012Article
- The cauliflower mosaic virus protein P6 forms motile inclusions that traffic along actin microfilaments and stabilize microtubules.Plant physiology · 2009Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Protein P6 is the main symptom determinant of cauliflower mosaic virus (CaMV), and transgene-mediated expression in Arabidopsis induces a symptom-like phenotype in the absence of infection. Seeds of a P6-transgenic line, A7, were mutagenized by gamma-irradiation and M2 seedlings were screened for mutants that suppressed the phenotype of chlorosis and stunting. We identified four mutants that were larger and less chlorotic than the A7 parent but which contained an intact and transcriptionally active transgene. The two mutants with the strongest suppression phenotype, were recessive and allelic. The transgene was eliminated by back-crossing with wild-type Arabidopsis. In progeny lines that were homozygous for the putative suppressor mutation the proportion of plants becoming infected following inoculation with CaMV was 40% that of wild-type, although in plants that did become infected, levels of virus DNA in mutants and wild-type did not differ significantly. Symptoms in the mutants were milder and delayed although this was somewhat dependent on the virus isolate. This phenotype was inherited stably. Both mutant alleles showed a partially ethylene-insensitive phenotype in an ethylene triple response assay. P6-transgenic plants were also almost completely insensitive to ethylene in the triple response assay. We suggest that the chlorosis and stunting in P6-transgenic and CaMV-infected plants are dependent on interactions between P6 and components involved in ethylene signalling, and that the suppressor gene product may function to augment these interactions.
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