ArticleScientific reports2018
Both gravistimulation onset and removal trigger an increase of cytoplasmic free calcium in statocytes of roots grown in microgravity.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
15 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.
- Are cyclic plant and animal behaviours driven by gravimetric mechanical forces?Journal of experimental botany · 2022Pooled it
- Seeds accelerate germination at beneficial planting depths by sensing the sound of rain.Scientific reports · 2026Article
- Hypergravity, Microgravity, and Animal Research.Methods in molecular biology (Clifton, N.J.) · 2026Review
- Exploring plant responses to altered gravity for advancing space agriculture.Plant communications · 2025Review
- Genome-wide analysis of CBL and CIPK gene families in bermudagrass reveals the CdCIPK29-A1 as a stem growth angle regulator.Plant cell reports · 2025Article
- Gravity sensing and responses in the coordination of the shoot gravitropic setpoint angle.The New phytologist · 2022Review
- Challenges and considerations for single-cell and spatially resolved transcriptomics sample collection during spaceflight.Cell reports methods · 2022Review
- High-gradient magnetic fields and starch metabolism: results from a space experiment.Scientific reports · 2022Article
- Red Light Enhances Plant Adaptation to Spaceflight and MarsLife (Basel, Switzerland) · 2022Review
- Use of Reduced Gravity Simulators for Plant Biological Studies.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Plant Gravitropism: From Mechanistic Insights into Plant Function on Earth to Plants Colonizing Other Worlds.Methods in molecular biology (Clifton, N.J.) · 2022Review
- Gravity sensing in plant and animal cells.NPJ microgravity · 2021Review
- Gravity Signaling in Flowering Plant Roots.Plants (Basel, Switzerland) · 2020Review
- Settling for Less: Do Statoliths Modulate Gravity Perception?Plants (Basel, Switzerland) · 2020Article
- Calcium changes in Robinia pseudoacacia pulvinar motor cells during nyctinastic closure mediated by phytochromes.Protoplasma · 2019Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
Abstract
Gravity is a permanent environmental signal guiding plant growth and development. Gravity sensing in plants starts with the displacement of starch-filled plastids called statoliths, ultimately leading to auxin redistribution and organ curvature. While the involvement in gravity sensing of several actors such as calcium is known, the effect of statolith displacement on calcium changes remains enigmatic. Microgravity is a unique environmental condition offering the opportunity to decipher this link. In this study, roots of Brassica napus were grown aboard the International Space Station (ISS) either in microgravity or in a centrifuge simulating Earth gravity. The impact of short simulated gravity onset and removal was measured on statolith positioning and intracellular free calcium was assessed using pyroantimonate precipitates as cytosolic calcium markers. Our findings show that a ten-minute onset or removal of gravity induces very low statolith displacement, but which is, nevertheless, associated with an increase of the number of pyroantimonate precipitates. These results highlight that a change in the cytosolic calcium distribution is triggered in absence of a significant statolith displacement.
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Registered trials
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.