Lyso-Phosphatidylcholine Is a Signal in the Arbuscular Mycorrhizal Symbiosis-Reference-Cited by-同舟云学术

Lyso-Phosphatidylcholine Is a Signal in the Arbuscular Mycorrhizal Symbiosis

Published:2007-10-12 Issue:5848 Volume:318 Page:265-268
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Drissner David¹²³⁴⁵,Kunze Gernot¹²³⁴⁵,Callewaert Nico¹²³⁴⁵,Gehrig Peter¹²³⁴⁵,Tamasloukht M'Barek¹²³⁴⁵,Boller Thomas¹²³⁴⁵,Felix Georg¹²³⁴⁵,Amrhein Nikolaus¹²³⁴⁵,Bucher Marcel¹²³⁴⁵

Affiliation:

1. Institute of Plant Sciences, Eidgenössische Technische Hochschule (ETH) Zurich, Experimental Station Eschikon 33, 8315 Lindau, Switzerland.

2. Zurich Glycomics Initiative, ETH Zurich, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland.

3. Department for Molecular Biomedical Research, VIB, and Department for Biochemistry, Physiology, and Microbiology, Ghent University, B-9000 Ghent, Belgium.

4. Functional Genomics Center Zurich, University of Zurich, and ETH Zurich, CH-8057 Zurich, Switzerland.

5. Institute of Botany, University of Basel, Hebelstrasse 1, 4056 Basel, Switzerland.

Abstract

The arbuscular mycorrhizal (AM) symbiosis represents the most widely distributed mutualistic root symbiosis. We report that root extracts of mycorrhizal plants contain a lipophilic signal capable of inducing the phosphate transporter genes StPT3 and StPT4 of potato ( Solanum tuberosum L.), genes that are specifically induced in roots colonized by AM fungi. The same signal caused rapid extracellular alkalinization in suspension-cultured tomato ( Solanum lycopersicum L.) cells and induction of the mycorrhiza-specific phosphate transporter gene LePT4 in these cells. The active principle was characterized as the lysolipid lyso-phosphatidylcholine (LPC) via a combination of gene expression studies, alkalinization assays in cell cultures, and chromatographic and mass spectrometric analyses. Our results highlight the importance of lysophospholipids as signals in plants and in particular in the AM symbiosis.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference22 articles.

1. Mycorrhizal Fungi Can Dominate Phosphate Supply to Plants Irrespective of Growth Responses

2. A Medicago truncatula phosphate transporter indispensable for the arbuscular mycorrhizal symbiosis

3. Symbiotic phosphate transport in arbuscular mycorrhizas

4. Knockdown of an Arbuscular Mycorrhiza-inducible Phosphate Transporter Gene of Lotus japonicus Suppresses Mutualistic Symbiosis

5. A phosphate transporter expressed in arbuscule-containing cells in potato

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