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Orchids And Fungi -- Partners For Life
ScienceDaily (Aug. 22, 2009) — Three Thai orchids have been found to rely on a wide range of fungi to help them take carbon out of the soil instead of producing their own organic carbon. A detailed study of the relationship, published in the open access journal BMC Biology, also features stunning pictures of the plants.
See also:
Plants & Animals
* Fungus
* Organic
* Endangered Plants
Earth & Climate
* Geochemistry
* Forest
* Global Warming
Reference
* Soil life
* Orchidaceae
* Yeast
* Plant cell
Marc-André Selosse and Mélanie Roy, from the Centre d'Ecologie Fonctionnelle et Evolutive, Montpellier, France, studied Aphyllorchis montana, A. caudata and Cephalanthera exigua orchids with Suyanee Vessabutr and Santi Watthana from the Queen Sirikit Botanic Garden, Thailand. These orchids have no chlorophyll and rely on fungi colonizing their roots for their carbon supply.
The plants, which grow on the ground in mountain forests, were collected from 10 different sampling sites in diverse parts of Thailand. The two Aphyllorchis orchids studied were found to associate with a wide range of fungi, while the Cephalanthera was much more specific.
Selosse said: "We show for the first time that certain tropical orchids associate with highly diverse soil fungi colonizing their roots; using stable isotopes, we show that they are likely to use these fungi as a carbon source." Most importantly for conservation concerns, all these fungi associate in turn with the roots of nearby green trees, where they collect carbon for the orchids.
Speaking about the results of the study, Selosse said: "Plants really interact with fungi in an unexpectedly diverse way - the impression one gains is that there is a great need for more research on biological interactions in the tropics to unravel this diversity."
Journal reference:
1. Mélanie Roy, Santi Watthana, Anna Stier, Franck Richard, Suyanee Vessabutr and Marc-André Selosse. Two mycoheterotrophic orchids from Thailand tropical dipterocarpacean forests associate with a broad diversity of ectomycorrhizal fungi. BMC Biology, 2009; (in press) [link]
Adapted from materials provided by BioMed Central, via EurekAlert!, a service of AAAS.
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This is an Aphyllorchis montana orchid. (Credit: Roy et al., BMC Biology)
Related Stories
Plant-driven Fungal Weathering: Early Stages Of Mineral Alteration At The Nanometer Scale (July 1, 2009) — For the first time, the boundary between fungi and rock has been imaged on a nanoscale -- unraveling the fundamental processes by which fungi break down rocks into soil whilst extracting essential ... > read more
Wild Orchids In Borneo: Is There Time To Save Thousands Of Species From Extinction? (July 22, 2008) — Borneo (Kalimantan) is the third largest island in the world. Borneo's rain forests are also home to some extremely rare species of orchids, all highly valued for their exotic aromas and aesthetic ... > read more
Learning More About Beneficial Soil Fungi (Feb. 2, 2006) — Beneficial soil fungi that help plants grow could become easier for farmers to use, based on research by Agricultural Research Service (ARS) scientists who are studying these valuable ... > read more
Dried Mushrooms Slow Climate Warming In Northern Forests (Nov. 5, 2008) — The fight against climate warming has an unexpected ally in mushrooms growing in dry spruce forests covering Alaska, Canada, Scandinavia and other northern regions, a study finds. These findings ... > read more
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Science News
Share Blog Cite
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Orchids And Fungi -- Partners For Life
ScienceDaily (Aug. 22, 2009) — Three Thai orchids have been found to rely on a wide range of fungi to help them take carbon out of the soil instead of producing their own organic carbon. A detailed study of the relationship, published in the open access journal BMC Biology, also features stunning pictures of the plants.
See also:
Plants & Animals
* Fungus
* Organic
* Endangered Plants
Earth & Climate
* Geochemistry
* Forest
* Global Warming
Reference
* Soil life
* Orchidaceae
* Yeast
* Plant cell
Marc-André Selosse and Mélanie Roy, from the Centre d'Ecologie Fonctionnelle et Evolutive, Montpellier, France, studied Aphyllorchis montana, A. caudata and Cephalanthera exigua orchids with Suyanee Vessabutr and Santi Watthana from the Queen Sirikit Botanic Garden, Thailand. These orchids have no chlorophyll and rely on fungi colonizing their roots for their carbon supply.
The plants, which grow on the ground in mountain forests, were collected from 10 different sampling sites in diverse parts of Thailand. The two Aphyllorchis orchids studied were found to associate with a wide range of fungi, while the Cephalanthera was much more specific.
Selosse said: "We show for the first time that certain tropical orchids associate with highly diverse soil fungi colonizing their roots; using stable isotopes, we show that they are likely to use these fungi as a carbon source." Most importantly for conservation concerns, all these fungi associate in turn with the roots of nearby green trees, where they collect carbon for the orchids.
Speaking about the results of the study, Selosse said: "Plants really interact with fungi in an unexpectedly diverse way - the impression one gains is that there is a great need for more research on biological interactions in the tropics to unravel this diversity."
Journal reference:
1. Mélanie Roy, Santi Watthana, Anna Stier, Franck Richard, Suyanee Vessabutr and Marc-André Selosse. Two mycoheterotrophic orchids from Thailand tropical dipterocarpacean forests associate with a broad diversity of ectomycorrhizal fungi. BMC Biology, 2009; (in press) [link]
Adapted from materials provided by BioMed Central, via EurekAlert!, a service of AAAS.
Email or share this story:
| More
Need to cite this story in your essay, paper, or report? Use one of the following formats:
APA
MLA
enlarge
This is an Aphyllorchis montana orchid. (Credit: Roy et al., BMC Biology)
Related Stories
Plant-driven Fungal Weathering: Early Stages Of Mineral Alteration At The Nanometer Scale (July 1, 2009) — For the first time, the boundary between fungi and rock has been imaged on a nanoscale -- unraveling the fundamental processes by which fungi break down rocks into soil whilst extracting essential ... > read more
Wild Orchids In Borneo: Is There Time To Save Thousands Of Species From Extinction? (July 22, 2008) — Borneo (Kalimantan) is the third largest island in the world. Borneo's rain forests are also home to some extremely rare species of orchids, all highly valued for their exotic aromas and aesthetic ... > read more
Learning More About Beneficial Soil Fungi (Feb. 2, 2006) — Beneficial soil fungi that help plants grow could become easier for farmers to use, based on research by Agricultural Research Service (ARS) scientists who are studying these valuable ... > read more
Dried Mushrooms Slow Climate Warming In Northern Forests (Nov. 5, 2008) — The fight against climate warming has an unexpected ally in mushrooms growing in dry spruce forests covering Alaska, Canada, Scandinavia and other northern regions, a study finds. These findings ... > read more
Search ScienceDaily
Number of stories in archives: 44,032
Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily's archives for related news topics,
the latest news stories, reference articles, science videos, images, and books.
Just In:
Lightning's Mirror Image ... Only Much Bigger
Using Light To Teach Magnets New Tricks
Microchip Does 1,000 Chemical Reactions At Once
Naming Evolution's Winners And Losers
Inner 'Fingerprint' For Personal Medical Care
Why Sleep? To Boost Efficiency, Minimize Risk
Ultrathin LEDs: New Class Of Displays
Oxycholesterol: Greatest Heart Disease Risk?
Science Video News
Saving Marshes - Saving The Planet
Soil scientists spread material dredged from shipping channels over shore areas to help rebuild marsh areas. Wetlands along the shore protect the. ... > full story
* Physicist Explains Benefits Of Carbon Dioxide
* Electrical Engineers Create Test For Carbon Monoxide Poisoning
* Atmospheric Scientists Monitor Global Carbon
* more science videos
Breaking News
... from NewsDaily.com
* S.Korea seeks 4-year prison term for stem cell fraud
* Encyclopedia of Life grows; clues on ageing, pests
* Satellites put into orbit for Japan and Australia
* Scientists make "sugar bug" drug for bowel disease
* Gene swap experiment makes altering bugs easier
* more science news
In Other News ...
* Netanyahu sees talks with Palestinians in 2 months
* Storm Bill loses steam in North Atlantic
* Fires near Athens recede after 3-day inferno
* Malaysian state to cane woman after Ramadan
* Justice Dept advises pursuing CIA abuses: report
* Facebook to boost staff by 50% in 2009: report
* U.S. presses sanctions to end N.Korea atomic plans
* Singapore shoots down "rumor" of APEC attack plot
* more top news
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