Uncovering transcriptional responses to fractional gravity in Arabidopsis roots
- Sheppard J, Land ES, Toennisson TA, Doherty CJ, Perera IY
- September 24, 2021
Title: How Space Affects Plant Growth - Understanding the Impact of Reduced Gravity on Plants for Future Missions Have you ever wondered how plants might grow in space, where gravity is much weaker than here on Earth? Scientists are studying this to help us understand if and how future astronauts could use plants during long trips into space. This research focuses specifically on what happens when there's only a little bit of gravity - something called partial or fractional gravity. In the study, scientists used special equipment abo0ard the International Space Station (ISS) to grow different types of plants in conditions that mimic both Earth and space environments with reduced gravity. They wanted to see how these changes would affect plant growth at a very basic level - their genes! Genes are like tiny instruction manuals inside every living thing, including us humans and our leafy friends (plants). The equipment used was called the European Modular Cultivation System or EMCS.
In the study titled "Effects of Partial Gravity on Gene Expression in Plants," researchers sought to understand plant responses under conditions that mimic partial gravity-a scenario anticipated for lunar or Martian environments. The methodology involved using a European Modular Cultivation System (EMCS) aboener the International Space Station, which allowed two distinct experimental setups: microgravity and INTRODUCTION section of this research paper highlights that plant cultivation will be crucial during extended space missions for crew nutrition, air purification, water recycling, and psychological well-being. The EMCS setup consisted of a controlled chamber with two rotors to simulate different gravity levels-microgravity (stationary) and partial gravity conditions induced by rotation at varying speeds. The study's key findings revealed that plants grown under fractional gravity exhibited altered gene expression patterns, particularly in genes associated with growth regulation, stress response, and nutrient uptake mechanisms when compared to microgravity controls.
MLA
J, Sheppard, et al. “Uncovering transcriptional responses to fractional gravity in Arabidopsis roots.” PubMed Central, National Center for Biotechnology Information, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8539686/. Accessed 30 Sept 2026.
Chicago
J, Sheppard, et al. “Uncovering transcriptional responses to fractional gravity in Arabidopsis roots.” PubMed Central. 30 September 2026. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8539686/.