Silicon protects soybean plants against Phytophthora sojae by interfering with effector-receptor expression

BMC Plant Biology
Aliyeh RasoolizadehRichard R Bélanger

Abstract

Silicon (Si) is known to protect against biotrophic and hemibiotrophic plant pathogens; however, the mechanisms by which it exerts its prophylactic role remain unknown. In an attempt to obtain unique insights into the mode of action of Si, we conducted a full comparative transcriptomic analysis of soybean (Glycine max) plants and Phytophthora sojae, a hemibiotroph that relies heavily on effectors for its virulence. Supplying Si to inoculated plants provided a strong protection against P. sojae over the course of the experiment (21 day). Our results showed that the response of Si-free (Si-) plants to inoculation was characterized early (4 dpi) by a high expression of defense-related genes, including plant receptors, which receded over time as the pathogen progressed into the roots. The infection was synchronized with a high expression of effectors by P. sojae, the nature of which changed over time. By contrast, the transcriptomic response of Si-fed (Si+) plants was remarkably unaffected by the presence of P. sojae, and the expression of effector-coding genes by the pathogen was significantly reduced. Given that the apoplast is a key site of interaction between effectors and plant defenses and receptors in the soybean-P. sojae co...Continue Reading

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Citations

Jul 15, 2018·The New Phytologist·Devrim CoskunRichard R Bélanger
Mar 16, 2019·The New Phytologist·Devrim CoskunRichard R Bélanger
Mar 25, 2019·Plants·Javaid Akhter BhatRupesh Deshmukh
Jan 8, 2020·Molecular Plant Pathology·Chloé Dussault-BenoitRichard R Bélanger
Feb 25, 2020·Journal of Experimental Botany·Aliyeh RasoolizadehRichard R Bélanger
Jun 26, 2020·Journal of Experimental Botany·Zhong TangFang-Jie Zhao
Jun 26, 2020·Journal of Experimental Botany·Henrique NoronhaHernâni Gerós
Mar 2, 2019·Planta·Cylia HaddadPhilippe Etienne
Sep 22, 2019·International Journal of Molecular Sciences·Dong XueHan Xing
Nov 17, 2020·Frontiers in Plant Science·Ximena Cibils-StewartScott Nicholas Johnson
Jan 17, 2021·Journal of Hazardous Materials·Sanskriti VatsRupesh Deshmukh
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Jun 1, 2021·Ecotoxicology and Environmental Safety·Ding-Kai HongJin-da Wang
Jun 9, 2021·Plant Physiology and Biochemistry : PPB·Atul Prakash SatheHumira Sonah
Jul 18, 2021·Ecotoxicology and Environmental Safety·Imran KhanLinkai Huang
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Sep 25, 2021·Plant & Cell Physiology·S M ShivarajHumira Sonah

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Methods Mentioned

BETA
X-ray
RNA-seq

Software Mentioned

Blast2GO
CLC Genomics Workbench
Mapman
AgriGO

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