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- Title
Mutations in RABE1C suppress the spirrig mutant phenotype.
- Authors
Jakoby, Marc; Stephan, Lisa; Heinemann, Björn; Hülskamp, Martin
- Abstract
The plant BEACH-domain protein SPIRRIG (SPI) is involved in regulating cell morphogenesis and salt stress responses in Arabidopsis thaliana, Arabis alpina, and Marchantia polymorpha and was reported to function in the context of two unrelated cellular processes: vesicular trafficking and P-body mediated RNA metabolism. To further explore the molecular function of SPI, we isolated a second-site mutant, specifically rescuing the spi mutant trichome phenotype. The molecular analysis of the corresponding gene revealed a dominant negative mutation in RABE1C, a ras-related small GTP-binding protein that localizes to Golgi. Taken together, our data identified the genetic interaction between RABE1C and SPI, which is beneficial for further dissecting the function of SPI in vesicle trafficking-associated cell morphogenesis.
- Subjects
PHENOTYPES; RNA metabolism; G proteins; PLANT proteins; GENETIC mutation; ARABIDOPSIS thaliana
- Publication
PLoS ONE, 2024, Vol 19, Issue 6, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0304001