Epidermal bladder cells as a herbivore defense mechanism
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Epidermal bladder cells as a herbivore defense mechanism. / Moog, Max W.; Yang, Xiuyan; Bendtsen, Amalie K.; Dong, Lin; Crocoll, Christoph; Imamura, Tomohiro; Mori, Masashi; Cushman, John C.; Kant, Merijn R.; Palmgren, Michael.
In: Current Biology, Vol. 33, No. 21, 2023, p. 4662-4673.e6.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Epidermal bladder cells as a herbivore defense mechanism
AU - Moog, Max W.
AU - Yang, Xiuyan
AU - Bendtsen, Amalie K.
AU - Dong, Lin
AU - Crocoll, Christoph
AU - Imamura, Tomohiro
AU - Mori, Masashi
AU - Cushman, John C.
AU - Kant, Merijn R.
AU - Palmgren, Michael
N1 - Publisher Copyright: © 2023 The Author(s)
PY - 2023
Y1 - 2023
N2 - The aerial surfaces of quinoa (Chenopodium quinoa) and common ice plant (Mesembryanthemum crystallinum) are covered with a layer of epidermal bladder cells (EBCs), which are modified non-glandular trichomes previously considered to be key to the extreme salt and drought tolerance of these plants. Here, however, we find that EBCs of these plants play only minor roles, if any, in abiotic stress tolerance and in fact are detrimental under conditions of water deficit. We report that EBCs instead function as deterrents to a broad range of generalist arthropod herbivores, through their combined function of forming both a chemical and a physical barrier, and they also serve a protective function against a phytopathogen. Our study overturns current models that link EBCs to salt and drought tolerance and assigns new functions to these structures that might provide novel possibilities for protecting crops from arthropod pests.
AB - The aerial surfaces of quinoa (Chenopodium quinoa) and common ice plant (Mesembryanthemum crystallinum) are covered with a layer of epidermal bladder cells (EBCs), which are modified non-glandular trichomes previously considered to be key to the extreme salt and drought tolerance of these plants. Here, however, we find that EBCs of these plants play only minor roles, if any, in abiotic stress tolerance and in fact are detrimental under conditions of water deficit. We report that EBCs instead function as deterrents to a broad range of generalist arthropod herbivores, through their combined function of forming both a chemical and a physical barrier, and they also serve a protective function against a phytopathogen. Our study overturns current models that link EBCs to salt and drought tolerance and assigns new functions to these structures that might provide novel possibilities for protecting crops from arthropod pests.
KW - abiotic stress
KW - biotic stress
KW - Chenopodium quinoa
KW - drought tolerance
KW - epidermal bladder cells
KW - herbivory
KW - Mesembryanthemum crystallinum
KW - phytopathogen
KW - salt tolerance
U2 - 10.1016/j.cub.2023.09.063
DO - 10.1016/j.cub.2023.09.063
M3 - Journal article
C2 - 37852262
AN - SCOPUS:85175336069
VL - 33
SP - 4662-4673.e6
JO - Current Biology
JF - Current Biology
SN - 0960-9822
IS - 21
ER -
ID: 375548987