The Cell Morphogenesis Gene SPIRRIG in Arabidopsis Encodes a WD/BEACH Domain Protein

Overview

Journal Plant J

Specialties Biology
Cell Biology
Molecular Biology

Date 2009 Apr 28

PMID 19392685

Citations 25

Authors

Rainer Saedler

Marc Jakoby

Birger Marin

Elena Galiana-Jaime

Martin Hulskamp

Affiliations

Soon will be listed here.

Abstract

WD40/BEACH domain proteins have been implicated in membrane trafficking and membrane composition events in Dictyostelium and Drosophila. In this paper, we show that the Arabidopsis SPIRRIG (SPI) gene encodes a WD40/BEACH domain protein. The cellular analysis revealed fragmented vacuoles in root hairs similar to those found in the corresponding Dictyostelium mutants, suggesting a related cellular function. The phenotypic analysis revealed that spi mutants share all phenotypic aspects of mutants in the actin polymerization-regulating ARP2/3 pathway, including distorted trichomes, less lobing of epidermal pavement cells, disconnected epidermal cells on various organs, and shorter root hairs. This complete phenotypic overlap suggests that this WD40/BEACH domain protein and the actin-regulating ARP2/3 pathway are involved in similar growth processes.

Citing Articles

SPIRRIG is required for BRICK1 stability and salt stress induced root hair developmental plasticity in Arabidopsis.

Zhang C, Zeng J, Xie W, Liu C, Niu L, Wang Y Stress Biol. 2024; 4(1):48.

PMID: 39585540 PMC: 11589064. DOI: 10.1007/s44154-024-00190-w.

BEACH domain-containing protein SPIRRIG facilitates microtubule cytoskeleton-associated trichome morphogenesis in Arabidopsis.

Niu L, Xie W, Li Q, Wang Y, Zhang X, Shi M Planta. 2024; 260(5):115.

PMID: 39400709 DOI: 10.1007/s00425-024-04545-5.

Mutations in RABE1C suppress the spirrig mutant phenotype.

Jakoby M, Stephan L, Heinemann B, Hulskamp M PLoS One. 2024; 19(6):e0304001.

PMID: 38885274 PMC: 11182498. DOI: 10.1371/journal.pone.0304001.

Genome-wide identification and bioinformatics analysis of the WD40 transcription factor family and candidate gene screening for anthocyanin biosynthesis in Rhododendron simsii.

Wang C, Tang Y, Li Y, Hu C, Li J, Lyu A BMC Genomics. 2023; 24(1):488.

PMID: 37633914 PMC: 10463391. DOI: 10.1186/s12864-023-09604-x.

VPS45 is required for both diffuse and tip growth of cells.

Mugume Y, Roy R, Agbemafle W, Shepard G, Vue Y, Bassham D Front Plant Sci. 2023; 14:1120307.

PMID: 36923123 PMC: 10009167. DOI: 10.3389/fpls.2023.1120307.