Arabidopsis bZIP11 Is a Susceptibility Factor During Pseudomonas syringae Infection
| Autor: | Jung-Gun Kim, Sjef Smeekens, Monika Tomar, Wolf B. Frommer, Martin C. Jonikas, Johannes Hanson, Matthew J. Prior, Mary Beth Mudgett, Jebasingh Selvanayagam |
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| Přispěvatelé: | Sub Molecular Plant Physiology, Molecular Plant Physiology |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
0106 biological sciences
0301 basic medicine Physiology Biology 01 natural sciences Microbiology 03 medical and health sciences Type 3 secretion Xanthomonas Transcription (biology) Arabidopsis Plant responses to pathogens Pseudomonas syringae Arabidopsis thaliana BZIP transcription factor Transcription factor Secretion and cell wall changes Susceptibility factor Pseudomonas Biochemistry and Molecular Biology Botany General Medicine Botanik Bacterial pathogenesis biology.organism_classification QR1-502 030104 developmental biology QK1-989 Plant nutrient secretion systems Efflux Agronomy and Crop Science Biokemi och molekylärbiologi 010606 plant biology & botany |
| Zdroj: | Molecular Plant-Microbe Interactions, Vol 34, Iss 4, Pp 439-447 (2021) Molecular Plant-Microbe Interactions, 34(4), 439. American Phytopathological Society |
| ISSN: | 1943-7706 0894-0282 |
| Popis: | The induction of plant nutrient secretion systems is critical for successful pathogen infection. Some bacterial pathogens (e.g., Xanthomonas spp.) use transcription activator-like (TAL) effectors to induce transcription of SWEET sucrose efflux transporters. Pseudomonas syringae pv. tomato strain DC3000 lacks TAL effectors yet is able to induce multiple SWEETs in Arabidopsis thaliana by unknown mechanisms. Because bacteria require other nutrients in addition to sugars for efficient reproduction, we hypothesized that Pseudomonas spp. may depend on host transcription factors involved in secretory programs to increase access to essential nutrients. Bioinformatic analyses identified the Arabidopsis basic-leucine zipper transcription factor bZIP11 as a potential regulator of nutrient transporters, including SWEETs and UmamiT amino acid transporters. Inducible downregulation of bZIP11 expression in Arabidopsis resulted in reduced growth of P. syringae pv. tomato strain DC3000, whereas inducible overexpression of bZIP11 resulted in increased bacterial growth, supporting the hypothesis that bZIP11-regulated transcription programs are essential for maximal pathogen titer in leaves. Our data are consistent with a model in which a pathogen alters host transcription factor expression upstream of secretory transcription networks to promote nutrient efflux from host cells. [Formula: see text] Copyright © 2021 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license . |
| Databáze: | OpenAIRE |
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