Featured Research

from universities, journals, and other organizations

Salad In Space? Botanist Sends Plant Seeds To International Space Station

Date:
June 26, 2006
Source:
Miami University
Summary:
When the space shuttle Discovery launches July 1 it will carry the research of Miami University professor John Kiss to continue studying if we can grow food in microgravity. Insights gained from Tropi can help create sustainable plant-based life support systems for long-term space missions, which are part of NASA's exploration agenda, according to Kiss. Plants will be needed as a food source and as oxygen producers on long-range trips to Mars, for example.

Miami University botany professor John Kiss with seed cassette experimental containers.
Credit: Image courtesy of Miami University

When the space shuttle Discovery launches July 1 it will carry the research of Miami University professor John Kiss to continue studying if we can grow food in microgravity.

Kiss’ project is one of only two experiments launched on Discovery that will actually be performed on the International Space Station at this time. Kiss, professor of botany, has been awarded more than $1 million by NASA over the past six years for “Tropi, Analysis of a Novel Sensory Mechanism in Root Phototropism,” an experiment to study how plant roots respond to varying levels of both light and gravity.

Insights gained from Tropi can help create sustainable plant-based life support systems for long-term space missions, which are part of NASA’s exploration agenda, according to Kiss. Plants will be needed as a food source and as oxygen producers on long-range trips to Mars, for example.

Tropi consists of dry Arabidopsis thaliana (thale cress) seeds stored in small seed cassettes, explains Kiss. The seed cassettes will be flown inside the European Modular Cultivation System (EMCS), an experiment facility for biological investigations under microgravity. A large (655 pound) incubator, EMCS provides control over atmosphere, lighting and humidity of growth chambers.

Tropi will be the first experiment performed in the EMCS, which was developed by the European Space Agency. The experimental containers (EC) were developed by Kiss’ group and NASA, based on a design by project co-principal investigator Richard Edelmann, director of Miami’s electron microscopy facility.

Space Shuttle Discovery will deliver supplies, equipment and a new crew member (European Space Agency astronaut Thomas Reiter) to the ISS. Once on board, Tropi experiments will be performed automatically inside the EMCS, requiring minimal involvement by the Expedition 13 crew members.

According to Kiss, spaceflight procedures require loading the ECs into the EMCS, replacing videotapes and harvesting plants when they are grown. Harvested plants will be stored in a minus 80-degree laboratory freezer until their return to Earth.

Once the samples from Tropi arrive back on Earth — estimated to be by the end of the year — data analysis will begin. Plant germination, growth and curvature will be analyzed from the videotapes, and DNA analysis will be conducted on the frozen plant samples to determine how the different light and gravity treatments affect gene expression.

Kiss and Edelmann also had experiments on gravitropism (how plants respond to gravity) on two space shuttle missions in 1997.

Plants may be able to be used in bioregenerative life support on Mars, says Kiss. They can be engineered to grow under the stresses of long-term space flight such as water deficits and high ethylene concentrations, or under stresses unique to other planets such as Mars.

Coincidentally, just last week, astrophysicist Stephen Hawking stated in a lecture in Hong Kong that for the survival of the species, humans should develop space settlements that can continue without support from Earth.

For more information about Tropi, go to http://exploration.nasa.gov/programs/station/Tropi.html


Story Source:

The above story is based on materials provided by Miami University. Note: Materials may be edited for content and length.


Cite This Page:

Miami University. "Salad In Space? Botanist Sends Plant Seeds To International Space Station." ScienceDaily. ScienceDaily, 26 June 2006. <www.sciencedaily.com/releases/2006/06/060626130641.htm>.
Miami University. (2006, June 26). Salad In Space? Botanist Sends Plant Seeds To International Space Station. ScienceDaily. Retrieved August 28, 2014 from www.sciencedaily.com/releases/2006/06/060626130641.htm
Miami University. "Salad In Space? Botanist Sends Plant Seeds To International Space Station." ScienceDaily. www.sciencedaily.com/releases/2006/06/060626130641.htm (accessed August 28, 2014).

Share This




More Space & Time News

Thursday, August 28, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

SpaceX’s Falcon 9 Rocket Explodes After Liftoff

SpaceX’s Falcon 9 Rocket Explodes After Liftoff

Newsy (Aug. 23, 2014) The private spaceflight company says it is preparing a thorough investigation into Friday's mishap. Video provided by Newsy
Powered by NewsLook.com
Did Russia Really Find Plankton On The ISS? NASA Not So Sure

Did Russia Really Find Plankton On The ISS? NASA Not So Sure

Newsy (Aug. 21, 2014) Russian cosmonauts say they've found evidence of sea plankton on the International Space Station's windows. NASA is a little more skeptical. Video provided by Newsy
Powered by NewsLook.com
Space to Ground: Hello Georges

Space to Ground: Hello Georges

NASA (Aug. 18, 2014) Europe's ATV-5 delivers new science and the crew tests smart SPHERES. Questions or comments? Use #spacetoground to talk to us. Video provided by NASA
Powered by NewsLook.com
Tiny Satellites, Like The One Tossed From ISS, On The Rise

Tiny Satellites, Like The One Tossed From ISS, On The Rise

Newsy (Aug. 18, 2014) The Chasqui I, hand-delivered into orbit by a Russian cosmonaut, is one of hundreds of small satellites set to go up in the next few years. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins