ArticlePlant communications2022
The bacterial effector AvrRxo1 inhibits vitamin B6 biosynthesis to promote infection in rice.
Article in Plant communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 40 citations in OpenAlex.
- Effector loss and gain drives host range at a fitness cost.PLoS pathogens · 2026Article
- The Rice-Xoc Arms Race: Molecular Mechanisms and Genomic Strategies Against Bacterial Leaf Streak.Rice (New York, N.Y.) · 2026Review
- Transcriptomic insights into the biocontrol mechanism of Trichoderma spp. against Fusarium wilt in melon.Stress biology · 2026Article
- Aging of the adaptive immune system affects the gut microbiome and systemic levels of vitamin B6.Microbiome · 2026Article
- Xanthomonas Type III Effector XopN Targets Scaffold Protein OsRACK1B to Suppress Rice Immunity.Molecular plant pathology · 2026Article
- The mitigation mechanism of exogenous pyridoxal-5-phosphate on Pb stress damage in Polygonatum Cyrtonema Hua by multi-omics combined analysis.BMC genomics · 2026Article
- Advances in deciphering the mechanisms of salt tolerance in Maize.Plant signaling & behavior · 2025Review
- Piperideine-6-carboxylic acid regulates vitamin B6 homeostasis and modulates systemic immunity in plants.Nature plants · 2025Article
- Transcriptomic analysis of rice cultivars with distinct resistance mechanisms toFrontiers in plant science · 2025Article
- Genome-wide identification of PDX and expression analysis under waterlogging stress exhibit stronger waterlogging tolerance in transgenicFrontiers in plant science · 2025Article
- OsABA3 is Crucial for Plant Survival and Resistance to Multiple Stresses in Rice.Rice (New York, N.Y.) · 2024Article
- Magnaporthe oryzae effector AvrPik-D targets a transcription factor WG7 to suppress rice immunity.Rice (New York, N.Y.) · 2024Article
- Small holes, big impact: Stomata in plant-pathogen-climate epic trifecta.Molecular plant · 2024Review
- Combined transcriptomic and metabolomic analysis of the mechanism by whichFrontiers in microbiology · 2024Article
- Effects of pruning on tea tree growth, tea quality, and rhizosphere soil microbial community.Microbiology spectrum · 2023Article
- The Inferior Grain Filling Initiation Promotes the Source Strength of Rice Leaves.Rice (New York, N.Y.) · 2023Article
- Activated Expression of Rice DMR6-like GeneInternational journal of molecular sciences · 2023Article
- Changes in the Histology of Walnut (International journal of molecular sciences · 2023Article
- Editorial: Virulence of filamentous fungi and its interaction with plants.Frontiers in cellular and infection microbiology · 2023Article
- Pyridoxine biosynthesis protein MoPdx1 affects the development and pathogenicity ofFrontiers in cellular and infection microbiology · 2023Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Xanthomonas oryzae pv. oryzicola (Xoc), which causes rice bacterial leaf streak, invades leaves mainly through stomata, which are often closed as a plant immune response against pathogen invasion. How Xoc overcomes stomatal immunity is unclear. Here, we show that the effector protein AvrRxo1, an ATP-dependent protease, enhances Xoc virulence and inhibits stomatal immunity by targeting and degrading rice OsPDX1 (pyridoxal phosphate synthase), thereby reducing vitamin B6 (VB6) levels in rice. VB6 is required for the activity of aldehyde oxidase, which catalyzes the last step of abscisic acid (ABA) biosynthesis, and ABA positively regulates rice stomatal immunity against Xoc. Thus, we provide evidence supporting a model in which a major bacterial pathogen inhibits plant stomatal immunity by directly targeting VB6 biosynthesis and consequently inhibiting the biosynthesis of ABA in guard cells to open stomata. Moreover, AvrRxo1-mediated VB6 targeting also explains the poor nutritional quality, including low VB6 levels, of Xoc-infected rice grains.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.