Plants strike back: Kiwellin proteins as a modular toolbox for plant defense mechanisms
Abstract
Plants have to cope with numerous stresses in nature to avoid damage or cell death. We recently reported a class of plant defense proteins termed kiwellins that were initially found in kiwifruit and shown to be causative to human food allergies. While kiwifruits among other domestic fruits always contain high amounts of kiwellin protein, available transcriptome data indicate an up-regulation of kiwellin genes upon pathogen contact in various other plants. In the case of an interaction between maize plant and the smut fungus Ustilago maydis, we could identify one kiwellin (termed: ZmKWL1) highly up-regulated in response to pathogen attack. During infection of the maize plant, U. maydis secretes numerous effector proteins that modulate the host. Among 20 predicted kiwellins, ZmKWL1 specifically inhibits the metabolic activity of the secreted fungal chorismate mutase 1 (Cmu1). We expand the current knowledge on kiwellins and describe a novel class of versatile plant defense proteins.
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BibTeX
@article{bange2026plants,
title = {{Plants strike back: Kiwellin proteins as a modular toolbox for plant defense mechanisms}},
author = {Gert Bange and Florian Altegoer},
journal = {Communicative \& Integrative Biology},
year = {2026},
month = oct,
doi = {10.1080/19420889.2019.1586049},
url = {https://hal.science/hal-05780530v1},
note = {CC BY},
}
RIS
TY - JOUR
TI - Plants strike back: Kiwellin proteins as a modular toolbox for plant defense mechanisms
AU - Gert Bange
AU - Florian Altegoer
PY - 2026
DA - 2026/10/06
JO - Communicative & Integrative Biology
DO - 10.1080/19420889.2019.1586049
UR - https://hal.science/hal-05780530v1
AB - Plants have to cope with numerous stresses in nature to avoid damage or cell death. We recently reported a class of plant defense proteins termed kiwellins that were initially found in kiwifruit and shown to be causative to human food allergies. While kiwifruits among other domestic fruits always contain high amounts of kiwellin protein, available transcriptome data indicate an up-regulation of kiwellin genes upon pathogen contact in various other plants. In the case of an interaction between maize plant and the smut fungus Ustilago maydis, we could identify one kiwellin (termed: ZmKWL1) highly up-regulated in response to pathogen attack. During infection of the maize plant, U. maydis secretes numerous effector proteins that modulate the host. Among 20 predicted kiwellins, ZmKWL1 specifically inhibits the metabolic activity of the secreted fungal chorismate mutase 1 (Cmu1). We expand the current knowledge on kiwellins and describe a novel class of versatile plant defense proteins.
ER -