ArticlePlant physiology2013
Analyses of a gravistimulation-specific Ca2+ signature in Arabidopsis using parabolic flights.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 38 citations in OpenAlex.
- Suborbital spaceflight reveals rapid changes in gene expression accompanying the transition to and from space.NPJ microgravity · 2026Article
- Exploring plant responses to altered gravity for advancing space agriculture.Plant communications · 2025Review
- Role of Abscisic Acid, Reactive Oxygen Species, and CaPlants (Basel, Switzerland) · 2024Review
- Entanglement of Arabidopsis Seedlings to a Mesh Substrate under Microgravity Conditions in KIBO on the ISS.Plants (Basel, Switzerland) · 2022Article
- Plant Gravitropism: From Mechanistic Insights into Plant Function on Earth to Plants Colonizing Other Worlds.Methods in molecular biology (Clifton, N.J.) · 2022Review
- How plants grow under gravity conditions besides 1 g: perspectives from hypergravity and space experiments that employ bryophytes as a model organism.Plant molecular biology · 2021Review
- Gravity sensing in plant and animal cells.NPJ microgravity · 2021Review
- The gravistimulation-induced very slow CaScientific reports · 2021Article
- Micromanipulation of amyloplasts with optical tweezers inPlant biotechnology (Tokyo, Japan) · 2020Article
- Efficient preservation of sprouting vegetables under simulated microgravity conditions.PloS one · 2020Article
- Both gravistimulation onset and removal trigger an increase of cytoplasmic free calcium in statocytes of roots grown in microgravity.Scientific reports · 2018Article
- A novel blue-light phototropic response is revealed in roots of Arabidopsis thaliana in microgravity.Planta · 2016Article
- Review
- Isolation of New Gravitropic Mutants under Hypergravity Conditions.Frontiers in plant science · 2016Article
- The electrical network of maize root apex is gravity dependent.Scientific reports · 2015Article
- Strategies of seedlings to overcome their sessile nature: auxin in mobility control.Frontiers in plant science · 2015Review
- Calcium mobilizations in response to changes in the gravity vector in Arabidopsis seedlings: possible cellular mechanisms.Plant signaling & behavior · 2014Review
- Focus issue: calcium signaling.Plant physiology · 2013Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gravity is a critical environmental factor affecting the morphology and functions of organisms on the Earth. Plants sense changes in the gravity vector (gravistimulation) and regulate their growth direction accordingly. In Arabidopsis (Arabidopsis thaliana) seedlings, gravistimulation, achieved by rotating the specimens under the ambient 1g of the Earth, is known to induce a biphasic (transient and sustained) increase in cytoplasmic calcium concentration ([Ca(2+)]c). However, the [Ca(2+)]c increase genuinely caused by gravistimulation has not been identified because gravistimulation is generally accompanied by rotation of specimens on the ground (1g), adding an additional mechanical signal to the treatment. Here, we demonstrate a gravistimulation-specific Ca(2+) response in Arabidopsis seedlings by separating rotation from gravistimulation by using the microgravity (less than 10(-4)g) conditions provided by parabolic flights. Gravistimulation without rotating the specimen caused a sustained [Ca(2+)]c increase, which corresponds closely to the second sustained [Ca(2+)]c increase observed in ground experiments. The [Ca(2+)]c increases were analyzed under a variety of gravity intensities (e.g. 0.5g, 1.5g, or 2g) combined with rapid switching between hypergravity and microgravity, demonstrating that Arabidopsis seedlings possess a very rapid gravity-sensing mechanism linearly transducing a wide range of gravitational changes (0.5g-2g) into Ca(2+) signals on a subsecond time scale.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.