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Article

The Arabidopsis STE20/Hippo kinase SIK1 regulates polarity independently of PIN proteins.

Biochemical and biophysical research communications - 16 Apr 2021

Zhang Pingping, Yu Xiulian, Bai Jing, Gong Qingqiu

Abstract excerpt

Polarity is a feature of life. In higher plants, non-autonomous polarity is largely directed by auxin, the morphogen that drives its own polarized flow, Polar Auxin Transport (PAT), to guide patterning events such as phyllotaxis and tropism. The plasma membrane-localized PIN-FORMED (PIN) auxin efflux carriers are rate-limiting factors in PAT. In yeasts and metazoans, the STE20 kinases are key players in cell...

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Identifiers

PMID: 33652206
DOI: 10.1016/j.bbrc.2021.02.083

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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The Arabidopsis STE20/Hippo kinase SIK1 regulates polarity independently of PIN proteins.PMID 33652206Read ↗

The STE20/Hippo kinase SIK1 interacts with COI1 and negatively regulates the response to jasmonic acid.Semantic proximity Read ↗

PIN phosphorylation is sufficient to mediate PIN polarity and direct auxin transport.Semantic proximity Read ↗

The Hippo/STE20 homolog SIK1 interacts with MOB1 to regulate cell proliferation and cell expansion in Arabidopsis.Semantic proximity Read ↗

Sterol-dependent endocytosis mediates post-cytokinetic acquisition of PIN2 auxin efflux carrier polarity.Semantic proximity Read ↗

TYPE-ONE PROTEIN PHOSPHATASE4 regulates pavement cell interdigitation by modulating PIN-FORMED1 polarity and trafficking in Arabidopsis.Semantic proximity Read ↗

Arabidopsis Flippases Cooperate with ARF GTPase Exchange Factors to Regulate the Trafficking and Polarity of PIN Auxin Transporters.Semantic proximity Read ↗

Cross-species functional diversity within the PIN auxin efflux protein family.Semantic proximity Read ↗

Antagonistic regulation of PIN phosphorylation by PP2A and PINOID directs auxin flux.Semantic proximity Read ↗

ROP3 GTPase contributes to polar auxin transport and auxin responses and is important for embryogenesis and seedling growth in Arabidopsis.Semantic proximity Read ↗

PATELLINS are regulators of auxin-mediated PIN1 relocation and plant development in Arabidopsis thaliana.Semantic proximity Read ↗

myo-Inositol-1-phosphate synthase is required for polar auxin transport and organ development.Semantic proximity Read ↗

A PINOID-dependent binary switch in apical-basal PIN polar targeting directs auxin efflux.Semantic proximity Read ↗

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