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Article

BRUTUS-LIKE1 (BTSL1) and BTSL2 repress abscisic acid responses during early seedling growth by targeting ABI5 for degradation.

The Plant journal : for cell and molecular biology - 1 Mar 2026

Zhao Junhui, Wang Dan, Liang Gang

Abstract excerpt

Abscisic acid (ABA) signaling plays a critical role in plant growth and responses to abiotic stresses. The transcription factor ABA INSENSITIVE 5 (ABI5) is a key regulator of ABA signaling in Arabidopsis thaliana, and its protein homeostasis is essential for controlling seed germination and early seedling development. In this study, we identified BRUTUS-LIKE1 (BTSL1) and BTSL2, two RING-type E3 ubiquitin ligases,...

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PMID: 41859962
DOI: 10.1111/tpj.70806

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BRUTUS-LIKE1 (BTSL1) and BTSL2 repress abscisic acid responses during early seedling growth by targeting ABI5 for degradation.PMID 41859962Read ↗

The U-box E3 ubiquitin ligase PUB35 negatively regulates ABA signaling through AFP1-mediated degradation of ABI5.Semantic proximity Read ↗

The Arabidopsis abscisic acid response gene ABI5 encodes a basic leucine zipper transcription factor.Semantic proximity Read ↗

Direct targets of the transcription factors ABA-Insensitive(ABI)4 and ABI5 reveal synergistic action by ABI4 and several bZIP ABA response factors.Semantic proximity Read ↗

A small plant-specific protein family of ABI five binding proteins (AFPs) regulates stress response in germinating Arabidopsis seeds and seedlings.Semantic proximity Read ↗

HY5 and ABI5 transcription factors physically interact to fine tune light and ABA signaling in Arabidopsis.Semantic proximity Read ↗

Type A2 BTB Members Decrease the ABA Response during Seed Germination by Affecting the Stability of SnRK2.3 in Arabidopsis.Semantic proximity Read ↗

Uncovering the role of ABI2 as a key regulator of flowering time in Arabidopsis.Semantic proximity Read ↗

BRASSINOSTEROID INSENSITIVE2 interacts with ABSCISIC ACID INSENSITIVE5 to mediate the antagonism of brassinosteroids to abscisic acid during seed germination in Arabidopsis.Semantic proximity Read ↗

Glycosyltransferase-like protein ABI8/ELD1/KOB1 promotes Arabidopsis hypocotyl elongation through regulating cellulose biosynthesis.Semantic proximity Read ↗

Regulation and function of the Arabidopsis ABA-insensitive4 gene in seed and abscisic acid response signaling networks.Semantic proximity Read ↗

Comparative Transcriptomic Analysis to Identify Brassinosteroid Response Genes.Semantic proximity Read ↗

SKP1 is involved in abscisic acid signalling to regulate seed germination, stomatal opening and root growth in Arabidopsis thaliana.Semantic proximity Read ↗

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