ArticlePlant direct2026
FIMBRIN2 Regulates ABA-Induced Stomatal Closure by Promoting Microfilament Bundling and Turnover in Arabidopsis Guard Cells.
Article in Plant direct, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
In terrestrial plants, drought stress activates abscisic acid (ABA) signaling in guard cells, prompting stomatal closure to reduce water loss. Stomatal closure is accompanied by reorganization of the microfilaments. However, the mechanism by which ABA signaling regulates microfilaments disassembly remains unclear, and the actin-binding proteins (ABPs) involved in this process have yet to be fully identified. In this study, we demonstrated that FIMBRIN2 (FIM2), an actin-bundling protein, has its expression in guard cells upregulated by ABA, and FIM2 is involved in ABA-induced stomatal closure. The
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