ArticleThe New phytologist2021
Rab-E and its interaction with myosin XI are essential for polarised cell growth.
Article in The New phytologist, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Article
- Insight into the Interactions Between GhXI-K and Rab GTPases in Cotton Fiber.Plants (Basel, Switzerland) · 2026Article
- Analysis on the salt tolerance of Nitraria sibirica Pall. based on Pacbio full-length transcriptome sequencing.Plant cell reports · 2023Article
- Rice STOMATAL CYTOKINESIS DEFECTIVE2 regulates cell expansion by affecting vesicular trafficking in rice.Plant physiology · 2022Article
- Proteomic characterization of isolated Arabidopsis clathrin-coated vesicles reveals evolutionarily conserved and plant-specific components.The Plant cell · 2022Article
- Cell biology of primary cell wall synthesis in plants.The Plant cell · 2022Review
- Connected function of PRAF/RLD and GNOM in membrane trafficking controls intrinsic cell polarity in plants.Nature communications · 2022Article
- Myosin XI drives polarized growth by vesicle focusing and local enrichment of F-actin in Physcomitrium patens.Plant physiology · 2021Article
- Quantitative cell biology of tip growth in moss.Plant molecular biology · 2021Review
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Authors and funding
10 authors.
Funding
Abstract
The fundamental process of polarised exocytosis requires the interconnected activity of molecular motors trafficking vesicular cargo within a dynamic cytoskeletal network. In plants, few mechanistic details are known about how molecular motors, such as myosin XI, associate with their secretory cargo to support the ubiquitous processes of polarised growth and cell division. Live-cell imaging coupled with targeted gene knockouts and a high-throughput RNAi assay enabled the first characterisation of the loss of Rab-E function. Yeast two-hybrid and subsequent in silico structural prediction uncovered a specific interaction between Rab-E and myosin XI that is conserved between P. patens and A. thaliana. Rab-E co-localises with myosin XI at sites of active exocytosis, and at the growing tip both proteins are spatiotemporally coupled. Rab-E is required for normal plant growth in P. patens and the rab-E and myosin XI phenotypes are rescued by A. thaliana's Rab-E1c and myosin XI-K/E, respectively. Both PpMyoXI and AtMyoXI-K interact with PpRabE14, and the interaction is specifically mediated by PpMyoXI residue V1422. This interaction is required for polarised growth. Our results suggest that the interaction of Rab-E and myosin XI is a conserved feature of polarised growth in plants.
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