Proteomics

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Beauveria bassiana manipulates host plant physiology to promote growth and defense


ABSTRACT: During plant life, roots support beneficial associations with soil inhabiting microbes, mainly fungi and bacteria. Increasing evidence suggests that plant-associated microorganisms can promote plant growth and expand immune functions of the plant host. The beneficial entomopathogenic fungus Beauveria bassiana colonizes plant tissues in an asymptomatic way, triggering poorly characterized plant metabolic changes, which negatively affect both pest insects and plant pathogens. B. bassiana has an extremely broad host spectrum, including tomato (Solanum lycopersicum L.). In order to obtain a great overall snapshot of molecular events regulating tomato-B. bassiana interaction, plant proteome and hormonome changes induced over the time by the fungus have been in-depth analyzed by using a combination of high throughput profiling techniques and bioinformatics tools. The proteomics data highlighted interesting molecular pathways affected by B. bassiana related to primary and secondary metabolism and plant growth. Additionally, downregulation of a member of the endochitinase family and upregulation of calcium channel and transporter proteins suggested well-established plant-fungus symbiosis. The molecular pathways linked to protein/amino acids turn-over and to the biosynthesis of energy compounds shed some light on the strategies exploited by the plant to get the most out of the beneficial interaction in improving growth and development.

INSTRUMENT(S): Orbitrap Eclipse

ORGANISM(S): Solanum Lycopersicum

TISSUE(S): Leaf

SUBMITTER: Julia Morales Sanfrutos  

LAB HEAD: Eduard Sabido Aguade

PROVIDER: PXD029422 | Pride | 2023-05-09

REPOSITORIES: Pride

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Publications


Plant roots can exploit beneficial associations with soil-inhabiting microbes, promoting growth and expanding the immune capacity of the host plant. In this work, we aimed to provide new information on changes occurring in tomato interacting with the beneficial fungus Beauveria bassiana. The tomato leaf proteome revealed perturbed molecular pathways during the establishment of the plant-fungus relationship. In the early stages of colonization (5-7 d), proteins related to defense responses to the  ...[more]

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