Comparative Transcriptomics Reveals How Wheat Responds to Infection by Zymoseptoria tritici

Molecular Plant-microbe Interactions : MPMI
Xin MaThomas Wicker

Abstract

The fungus Zymoseptoria tritici causes septoria tritici blotch (STB) on wheat, an important disease globally and the most damaging wheat disease in Europe. Despite the global significance of STB, the molecular basis of wheat defense against Z. tritici is poorly understood. Here, we use a comparative transcriptomic study to investigate how wheat responds to infection by four distinct strains of Z. tritici. We examined the response of wheat across the entire infection cycle, identifying both shared responses to the four strains and strain-specific responses. We found that the early asymptomatic phase is characterized by strong upregulation of genes encoding receptor-like kinases and pathogenesis-related proteins, indicating the onset of a defense response. We also identified genes that were differentially expressed among the four fungal strains, including genes related to defense. Genes involved in senescence were induced during both the asymptomatic phase and at late stages of infection, suggesting manipulation of senescence processes by both the plant and the pathogen. Our findings illustrate the need, when identifying important genes affecting disease resistance in plants, to include multiple pathogen strains.

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Citations

May 17, 2018·Annual Review of Phytopathology·Andrea Sánchez-ValletDaniel Croll
Jan 27, 2019·Molecular Plant-microbe Interactions : MPMI·Elisabet SjokvistSimona Radutoiu
Jan 24, 2020·Frontiers in Plant Science·Xin MaJavier Palma-Guerrero
Apr 13, 2018·International Journal of Molecular Sciences·Adrian DubaUrszula Wachowska
Jun 18, 2020·International Journal of Molecular Sciences·Alistair A PollMartin G Edwards
Jan 27, 2019·Ecology and Evolution·Janine HaueisenEva H Stukenbrock
Dec 1, 2019·International Journal of Molecular Sciences·Lei TangYunxiang Mao
Sep 29, 2019·Plant Phenomics : a Science Partner Journal·Steven YatesBruce A McDonald
May 23, 2020·Fungal Genetics and Biology : FG & B·Tilahun MekonnenKassahun Tesfayea

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