Proteomics

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Al-induced root proteomics changes in stress-acclimated tomato plants

ABSTRACT: Excess levels of Al3+ become highly harmful to plant roots as the toxic ions bind to the surface of root-tips. Plants can acquire tolerance to stress after multiple generations of exposure to stress conditions. After four consecutive generations of Al treatments (G4Al+ seeds), tomato plants appeared more tolerant to the stress condition. This project used laser capture microdissection (LCM) technology to isolate the Al-sensitive epidermal and outer cortical cells of root-tips. Tandem mass tag (TMT) proteomics analysis was conducted to identify proteomics changes related to the physiological properties in root growth under Al treated conditions.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Solanum Lycopersicum

TISSUE(S): Plant Cell, Root

SUBMITTER: Ted Thannhauser  

LAB HEAD: Theodore Thannhauser

PROVIDER: PXD018234 | Pride | 2022-02-14

REPOSITORIES: Pride

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Publications

Using single cell type proteomics to identify Al-induced proteomes in outer layer cells and interior tissues in the apical meristem/cell division regions of tomato root-tips.

Potts Jesse J   Li Hui H   Qin YaoGuo Y   Wu Xingbo X   Hui Dafeng D   Nasr Kamal Al KA   Zhou Suping S   Yong Yang Y   Fish Tara T   Liu Jiping J   Thannhauser Theodore W TW  

Journal of proteomics 20220120

Aluminum (Al) toxicity primarily targets the root tips, inhibiting root growth and function and leading to crop yield losses on acidic soils. Previously we reported using laser capture microdissection (LCM) proteomics to identify Al-induced proteins in the outer layer cells in the transitional zone of tomato root-tips. This study aims to further characterize Al-induced proteomic dynamics from the outer to interior tissues, thus providing a panoramic view reflecting Al resistance in the root tip  ...[more]

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