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Possible inhibition of Arabidopsis VIP1-mediated mechanosensory signaling by streptomycin

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Title: Possible inhibition of Arabidopsis VIP1-mediated mechanosensory signaling by streptomycin
Authors: Tsugama, Daisuke Browse this author →KAKEN DB
Liu, Shenkui Browse this author
Fujino, Kaien Browse this author →KAKEN DB
Takano, Tetsuo Browse this author →KAKEN DB
Keywords: Arabidopsis thaliana
bZIP transcription factor
calcium signaling
hypo-osmotic stress
mechanical stress
root tropisms
Issue Date: Oct-2018
Publisher: Taylor & Francis
Journal Title: Plant signaling & behavior
Volume: 13
Issue: 10
Start Page: e1521236
Publisher DOI: 10.1080/15592324.2018.1521236
PMID: 30235047
Abstract: VIP1 (VIRE2-INTERACTING PROTEIN 1) and its close homologues are Arabidopsis thaliana bZIP proteins regulating stress responses and root tropisms. They are present in the cytoplasm under steady conditions, but transiently accumulate in the nucleus when cells are exposed to mechanical stress such as hypo-osmotic stress and touch. This pattern of changes in subcellular localization is unique to VIP1 and its close homologues, and can be useful to further characterize mechanical stress signaling in plants. A recent study showed that calcium signaling regulates this pattern of subcellular localization. Here, we show that a possible calcium channel inhibitor, streptomycin, also inhibits the nuclear accumulation of VIP1. Candidates for the specific regulators of the mechanosensitive calcium signaling are further discussed.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Plant signaling & behavior on 20 Sep 2018, available online:
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 津釜 大侑

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