ArticleThe New phytologist2018
Arabidopsis Lunapark proteins are involved in ER cisternae formation.
Article in The New phytologist, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 30 citations in OpenAlex.
- An ER-microtubule bridge: Reticulon 17 links microtubules with ER network organisation in plants.The Plant journal : for cell and molecular biology · 2026Article
- Built different: ER cisternae formed by the Arabidopsis Lunapark proteins differ in ultrastructure and affect ER-Golgi transport.The New phytologist · 2026Article
- COST1 stimulates RHD3 GTPase activity to maintain ER morphology and plant growth inScience advances · 2026Article
- Selective degradation processes in plants are not limited to autophagy.Plant cell reports · 2026Review
- Characterization of intracellular membrane structures derived from a massive expansion of endoplasmic reticulum (ER) membrane due to synthetic ER-membrane-resident polyproteins.Journal of experimental botany · 2024Article
- Organelle Interactions in Plant Cells.Results and problems in cell differentiation · 2024Review
- In Depth Topological Analysis of Arabidopsis Mid-SUN Proteins and Their Interaction with the Membrane-Bound Transcription Factor MaMYB.Plants (Basel, Switzerland) · 2023Article
- A glossary of plant cell structures: Current insights and future questions.The Plant cell · 2022Review
- Maintaining the structural and functional homeostasis of the plant endoplasmic reticulum.Developmental cell · 2021Review
- Geometry and cellular function of organelle membrane interfaces.Plant physiology · 2021Review
- IntEResting structures: formation and applications of organized smooth endoplasmic reticulum in plant cells.Plant physiology · 2021Article
- The plant endoplasmic reticulum: an organized chaos of tubules and sheets with multiple functions.Journal of microscopy · 2020Review
- A Once-Hidden Endoplasmic Reticulum Matrix Reveals the Totally Tubular Function of LUNAPARKs in Plants.The Plant cell · 2020Article
- LUNAPARK Is an E3 Ligase That Mediates Degradation of ROOT HAIR DEFECTIVE3 to Maintain a Tubular ER Network in Arabidopsis.The Plant cell · 2020Article
- Defining the dance: quantification and classification of endoplasmic reticulum dynamics.Journal of experimental botany · 2020Article
- Reciprocal regulation between lunapark and atlastin facilitates ER three-way junction formation.Protein & cell · 2019Article
- Quantitative analysis of plant ER architecture and dynamics.Nature communications · 2019Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The plant endoplasmic reticulum (ER) is crucial to the maintenance of cellular homeostasis. The ER consists of a dynamic and continuously remodelling network of tubules and cisternae. Several conserved membrane proteins have been implicated in formation and maintenance of the ER network in plants, such as RHD3 and the reticulon proteins. Despite the recent work in mammalian and yeast cells, the detailed molecular mechanisms of ER network organization in plants remain largely unknown. Recently, novel ER network-shaping proteins called Lunapark (LNP) have been identified in yeast and mammalian cells. Here we identify two Arabidopsis LNP homologues and investigate their subcellular localization via confocal microscopy and potential function in shaping the ER network using protein-protein interaction assays and mutant analysis. We show that AtLNP1 overexpression in tobacco leaf epidermal cells mainly labels cisternae in the ER network, whereas AtLNP2 labels the whole ER. Overexpression of LNP proteins results in an increased abundance of ER cisternae and lnp1 and lnp1lnp2 amiRNA lines display a reduction in cisternae and larger polygonal areas. Thus, we hypothesize that AtLNP1 and AtLNP2 are involved in determining the network morphology of the plant ER, possibly by regulating the formation of ER cisternae.
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