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How special do you have to be to live in acidic soil?

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Title: How special do you have to be to live in acidic soil?
Authors: Kawahara, Ai Browse this author
An, Gi-Hong Browse this author
Miyakawa, Sachie Browse this author
Sonoda, Jun Browse this author
Ezawa, Tatsuhiro Browse this author →KAKEN DB
Keywords: Arbuscular mycorrhizal fungi (AMF)
Soil acidity
Extreme environments
Issue Date: 9-Jan-2017
Publisher: Science journal for kids
Journal Title: Environmental Science Journal for Teens
Start Page: 1
End Page: 4
Abstract: While you are reading this, special alliances are being formed underground… invisible to the human eye. But they are crucial to plants, and help them conquer extreme environments such as acidic soil. We’re talking arbuscular mycorrhizal (AM) fungi who help plants improve their nutrient uptake. But how can these fungi themselves tolerate acidic soil? Are they "acidic soil specialists", who can thrive despite the acidity? We tested this hypothesis by collecting soil containing AM fungi along an acidity gradient in Japan. We also exposed fungi from two soils of different pH (acidic/ neutral) to changes in their soils' acidity levels in the lab, and observed their response. Surprisingly, we discovered that the fungi in the acidic soils also occurred in the less acidic and neutral soils, making them generalists! We believe that being generalists opens up many opportunities for AM fungi (and for their associated plants) to colonize new or quickly changing habitats.
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 江澤 辰広

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