Plants in Microgravity: Molecular and Technological Perspectives

Abu Baba, Imran and Mir, Mohd Yaqub and Riyazuddin, Riyazuddin and Cséplő, Ágnes and Rigó, Gábor and Fehér, Attila (2022) Plants in Microgravity: Molecular and Technological Perspectives. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 23 (18). ISSN 1661-6596

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Abstract

Plants are vital components of our ecosystem for a balanced life here on Earth, as a source of both food and oxygen for survival. Recent space exploration has extended the field of plant biology, allowing for future studies on life support farming on distant planets. This exploration will utilize life support technologies for long-term human space flights and settlements. Such longer space missions will depend on the supply of clean air, food, and proper waste management. The ubiquitous force of gravity is known to impact plant growth and development. Despite this, we still have limited knowledge about how plants can sense and adapt to microgravity in space. Thus, the ability of plants to survive in microgravity in space settings becomes an intriguing topic to be investigated in detail. The new knowledge could be applied to provide food for astronaut missions to space and could also teach us more about how plants can adapt to unique environments. Here, we briefly review and discuss the current knowledge about plant gravity-sensing mechanisms and the experimental possibilities to research microgravity-effects on plants either on the Earth or in orbit.

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