ArticleBMC plant biology2021
Phytophthora infestans RXLR effector Pi04089 perturbs diverse defense-related genes to suppress host immunity.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Deciphering the Molecular Interplay Between RXLR-EncodedInternational journal of molecular sciences · 2025Review
- Mutations in the signal peptide of effector gene Pi04314 contribute to the adaptive evolution of the Phytophthora infestans.BMC ecology and evolution · 2025Article
- PotatoBSLnc: a curated repository of potato long noncoding RNAs in response to biotic stress.Database : the journal of biological databases and curation · 2025Article
- Comparative transcriptome analysis reveals defense responses against soft rot induced by Pectobacterium aroidearum and Pectobacterium carotovorum in Pinellia ternata.BMC genomics · 2024Article
- Genomic and transcriptomic analyses ofFrontiers in microbiology · 2024Article
- Deciphering the underlying immune network of the potato defense response inhibition byFrontiers in plant science · 2023Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe oomycete pathogen secretes many effectors into host cells to manipulate host defenses. For the majority of effectors, the mechanisms related to how they alter the expression of host genes and reprogram defenses are not well understood. In order to investigate the molecular mechanisms governing the influence that the Phytophthora infestans RXLR effector Pi04089 has on host immunity, a comparative transcriptome analysis was conducted on Pi04089 stable transgenic and wild-type potato plants.
resultsPotato plants stably expressing Pi04089 were more susceptible to P. infestans. RNA-seq analysis revealed that 658 upregulated genes and 722 downregulated genes were characterized in Pi04089 transgenic lines. A large number of genes involved in the biological process, including many defense-related genes and certain genes that respond to salicylic acid, were suppressed. Moreover, the comparative transcriptome analysis revealed that Pi04089 significantly inhibited the expression of many flg22 (a microbe-associated molecular pattern, PAMP)-inducible genes, including various Avr9/Cf-9 rapidly elicited (ACRE) genes. Four selected differentially expressed genes (StWAT1, StCEVI57, StKTI1, and StP450) were confirmed to be involved in host resistance against P. infestans when they were transiently expressed in Nicotiana benthamiana.
conclusionThe P. infestans effector Pi04089 was shown to suppress the expression of many resistance-related genes in potato plants. Moreover, Pi04089 was found to significantly suppress flg22-triggered defense signaling in potato plants. This research provides new insights into how an oomycete effector perturbs host immune responses at the transcriptome level.
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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.