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Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS repressor proteins to reprogram plant immunity and development by Lore Gryffroy; Evi Ceulemans; Nicolás Manosalva Pérez; Jhon Venegas-Molina; Ana Cristina Jaramillo-Madrid; Savio D. Rodrigues; Liesbeth De Milde; Veronique Jonckheere; Marc Van Montagu; Barbara De Coninck; Klaas Vandepoele; Petra Van Damme; Alain Goossens is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Rhizogenic Agrobacterium protein RolB interacts with the TOPLESS repressor proteins to reprogram plant immunity and development about?

Rhizogenic __Agrobacterium__ strains comprise biotrophic pathogens that cause hairy root disease (HRD) on hydroponically grown __Solanaceae__ and __Cucurbitaceae__ crops, besides being widely explored agents for the creation of hairy root cultures for the sustainable production of plant-specialized metabolites. Hairy root formation is mediated through the expression of genes encoded on the T-DNA of the root-inducing (Ri) plasmid, of which several, including __root oncogenic locus B__ ( __rolB__ ), play a major role in hairy root development. Despite decades of research, the exact molecular function of the proteins encoded by the __rol__ genes remains enigmatic. Here, by means of TurboID-mediated proximity labeling in tomato ( __Solanum lycopersicum)__ hairy roots, we identified the repressor proteins TOPLESS (TPL) and Novel Interactor of JAZ (NINJA) as direct interactors of RolB. Although these interactions allow RolB to act as a transcriptional repressor, our data hint at another in planta function of the RolB oncoprotein. Hence, by a series of plant bioassays, transcriptomic and DNA-binding site enrichment analyses, we conclude that RolB can mitigate the TPL functioning so that i

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Author

Lore Gryffroy; Evi Ceulemans; Nicolás Manosalva Pérez; Jhon Venegas-Molina; Ana Cristina Jaramillo-Madrid; Savio D. Rodrigues; Liesbeth De Milde; Veronique Jonckheere; Marc Van Montagu; Barbara De Coninck; Klaas Vandepoele; Petra Van Damme; Alain Goossens

Publisher

Proceedings of the National Academy of Sciences

Published

2023

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)