Proteomics

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N-terminome analysis of pathogen-induced cell death in maize


ABSTRACT: Regulated cell death (RCD) is crucial for plant development, as well as in decision-making in plant-pathogen interactions. Previous studies revealed components of the molecular network controlling RCD, including different proteases. However, the identity, the proteolytic network as well as molecular components involved in the initiation and execution of distinct plant RCD processes, still remain largely elusive. We analyzed the N-terminome of Z. mays leaves treated with the Xanthomonas effector avrRxo1, the mycotoxin Fumonisin B1 (FB1), or the phytohormone salicylic acid (SA) to dissect plant cellular processes related to cell death and plant immunity. We found highly distinct and time-dependent biological processes being activated on N-terminome level in response to avrRxo1, FB1 and SA. This study characterizes distinct RCD responses in Z. mays and provides a framework for the mechanistic exploration of components involved in the initiation and execution of cell death.

INSTRUMENT(S): impact II

ORGANISM(S): Zea Mays (maize)

TISSUE(S): Leaf

SUBMITTER: Melissa Mantz  

LAB HEAD: Prof. Dr. Pitter Florian Huesgen

PROVIDER: PXD041656 | Pride | 2023-07-13

REPOSITORIES: Pride

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Combination of transcriptomic, proteomic, and degradomic profiling reveals common and distinct patterns of pathogen-induced cell death in maize.

Barghahn Sina S   Saridis Georgios G   Mantz Melissa M   Meyer Ute U   Mellüh Jaqueline C JC   Misas Villamil Johana C JC   Huesgen Pitter F PF   Doehlemann Gunther G  

The Plant journal : for cell and molecular biology 20230630 2


Regulated cell death (RCD) is crucial for plant development, as well as in decision-making in plant-microbe interactions. Previous studies revealed components of the molecular network controlling RCD, including different proteases. However, the identity, the proteolytic network as well as molecular components involved in the initiation and execution of distinct plant RCD processes, still remain largely elusive. In this study, we analyzed the transcriptome, proteome, and N-terminome of Zea mays l  ...[more]

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