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Regulation of plants' phosphate uptake in common mycorrhizal networks: Role of intraradical fungal phosphate transporters
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 3676129
Author(s) Walder, Florian; Boller, Thomas; Wiemken, Andres; Courty, Pierre-Emmanuel
Author(s) at UniBasel Boller, Thomas
Year 2016
Title Regulation of plants' phosphate uptake in common mycorrhizal networks: Role of intraradical fungal phosphate transporters
Journal Plant Signaling & Behavior
Volume 11
Number 2
Pages / Article-Number e1131372
Abstract We have recently identified two genes coding for inorganic phosphate transporters (Pht) in sorghum (Sorghum bicolor) and flax (Linum usitatissimum) that were induced in roots colonized by arbuscular mycorrhizal (AM) fungi. Mycorrhizal acquisition of inorganic phosphorus (Pi) was strongly affected by the combination of plant and AM fungal species, but the expression level of these genes coding for AM-inducible Pi transporters did not explain differences in plant phosphorus acquisition where flax and sorghum are sharing a common mycorrhizal network. In the present study, we investigated the possible role of fungal Pi transporters in the regulation of mycorrhizal Pi acquisition by measuring their expression in roots of flax and sorghum. One Pi transporter of Rhizophagus irregularis (RiPT5) showed a positive correlation with mycorrhizal Pi acquisition of sorghum. This indicates that a possible involvement in the regulation of mycorrhizal Pi acquisition. In general, expression of AMF Pi transporters was more related to mycorrhizal Pi acquisition of sorghum than of flax, indicating plant species-specific differences in the regulation of mycorrhizal Pi acquisition.
Publisher Taylor & Francis
ISSN/ISBN 1559-2316 ; 1559-2324
edoc-URL http://edoc.unibas.ch/45195/
Full Text on edoc No
Digital Object Identifier DOI 10.1080/15592324.2015.1131372
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/26751110
ISI-Number WOS:000372024000014
Document type (ISI) Journal Article
 
   

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14/05/2024