The Epl1 and Sm1 proteins from Trichoderma atroviride and Trichoderma virens differentially modulate systemic disease resistance against different life style pathogens in Solanum lycopersicum

Frontiers in Plant Science
Miguel Angel Salas-MarinaSergio Casas-Flores

Abstract

Fungi belonging to the genus Trichoderma, commonly found in soil or colonizing plant roots, exert beneficial effects on plants, including the promotion of growth and the induction of resistance to disease. T. virens and T. atroviride secrete the proteins Sm1 and Epl1, respectively, which elicit local and systemic disease resistance in plants. In this work, we show that these fungi promote growth in tomato (Solanum lycopersicum) plants. T. virens was more effective than T. atroviride in promoting biomass gain, and both fungi were capable of inducing systemic protection in tomato against Alternaria solani, Botrytis cinerea, and Pseudomonas syringae pv. tomato (Pst DC3000). Deletion (KO) of epl1 in T. atroviride resulted in diminished systemic protection against A. solani and B. cinerea, whereas the T. virens sm1 KO strain was less effective in protecting tomato against Pst DC3000 and B. cinerea. Importantly, overexpression (OE) of epl1 and sm1 led to an increase in disease resistance against all tested pathogens. Although the Trichoderma WT strains induced both systemic acquired resistance (SAR)- and induced systemic resistance (ISR)-related genes in tomato, inoculation of plants with OE and KO strains revealed that Epl1 and Sm1 ...Continue Reading

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Citations

Jan 18, 2016·Plant Physiology and Biochemistry : PPB·Fuli ZhangChengwei Li
Jul 18, 2015·Plant Physiology and Biochemistry : PPB·Fatima Berenice Salazar-BadilloJuan Francisco Jiménez-Bremont
Nov 10, 2018·Phytopathology·Paulina Guzmán-GuzmánAlfredo Herrera-Estrella
Jun 20, 2019·International Journal of Molecular Sciences·Songwei LiQianhua Yuan
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Jun 4, 2019·Frontiers in Microbiology·Claudia A Ramírez-ValdespinoVianey Olmedo-Monfil
Jan 13, 2021·Archives of Microbiology·Chia-Min LiuKou-Cheng Peng
Oct 10, 2021·Molecular Plant-microbe Interactions : MPMI

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Datasets Mentioned

BETA
DQ121133.1

Methods Mentioned

BETA
PCR

Software Mentioned

BLAST
GeneBank
Primer Express

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