Fundamental plant biology enabled by the space shuttle

Area of Science:

• Plant biology
• Space biology
• Gravitational biology

Background:

• Gravity's influence on plants has been studied for over a century.
• Early space missions included plants, but lacked controlled experimental capabilities.
• The Space Shuttle revolutionized plant space biology research.

Purpose of the Study:

• To review plant science experiments conducted during the Space Shuttle era.
• To emphasize fundamental plant growth studies in microgravity.
• To provide historical context and key conclusions from plant space biology.

Main Methods:

• Utilized the Space Shuttle as a platform for regular science flights.
• Employed dedicated plant growth hardware and trained crew for inflight manipulations.
• Conducted controlled experiments to study plant responses in microgravity.

Main Results:

• Gained significant insights into plant adaptation to spaceflight.
• Advanced understanding of plant growth and tropisms in microgravity.
• Demonstrated the potential of plants in bioregenerative life support systems.

Conclusions:

• The Space Shuttle era was pivotal for fundamental plant science in space.
• Microgravity research yielded critical data on plant biology.
• Plant space biology research continues to inform space exploration and life support.