| Title | Arbuscular mycorrhizal fungi enhance plant phosphorus uptake through stimulating hyphosphere soil microbiome functional profiles for phosphorus turnover |
| Publication Type | Journal Article |
| Year of Publication | 2023 |
| Authors | Wang G.W, Jin Z.X, George T.S, Feng G., Zhang L. |
| Journal | New Phytologist |
| Volume | 238 |
| Pagination | 2578-2593 |
| Date Published | Jun |
| Type of Article | Article |
| ISBN Number | 0028-646X |
| Accession Number | WOS:000930447800001 |
| Keywords | alkaline-phosphatase, ARBUSCULAR MYCORRHIZAL FUNGI, bacterial communities, carbon, database, escherichia-coli, exchange, gene, genome, hyphosphere soil interaction, inositol phosphates, microbiome, phosphorus turnover gene, phytate mobilization, Plant Sciences, rhizosphere |
| Abstract | The extraradical hyphae of arbuscular mycorrhizal (AM) fungi are colonized by different bacteria in natural and agricultural systems, but the mechanisms by which AM fungi interact with the hyphosphere soil microbiome and influence soil organic phosphorus (P) mobilization remain unclear. We grew Medicago in two-compartment microcosms, inoculated with Rhizophagus irregularis, or not, in the root compartment and set up P treatments (without P, with P addition as KH2PO4 or nonsoluble phytate) in the hyphal compartment. We studied the processes of soil P turnover and characterized the microbiome functional profiles for P turnover in the hyphosphere soil by metagenomic sequencing. Compared with the bulk soil, the hyphosphere soil of R. irregularis was inhabited by a specific bacterial community and their functional profiles for P turnover was stimulated. At the species level, the shift in hyphosphere soil microbiome was characterized by the recruitment of the genome bin2.39 harbouring both gcd and phoD genes and genome bin2.97 harbouring the phoD gene, which synergistically drove nonsoluble phytate mobilization in the hyphosphere soil. Our results suggest that AM fungi recruits a specific hyphosphere soil microbiome and stimulated their functional profiles for P turnover to enhance utilization of phytate.
|
| Short Title | New Phytol.New Phytol. |
| Alternate Journal | New Phytol. |
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Wang, Guiwei Jin, Zexing George, Timothy S. Feng, Gu Zhang, Lin
Feng, Gu/K-8367-2012
Feng, Gu/0000-0002-1052-5009; George, Tim/0000-0003-3231-2159
National Natural Science Foundation of China [32130094, 42277112]; Beijing Natural Science Foundation [6212020]; Rural and Environment Science and Analytical Services Division of the Scottish Government
Acknowledgements We thank Prof. Yang Bai and PhD candidate Jingmei Qian from the Institute of Genetics and Developmental Biology, Chinese Academy of Sciences for their careful help in plant management. We also thank Dr Jiachao Zhou for his constructive suggestions in writing the manuscript. This study was financially supported by National Natural Science Foundation of China (32130094 and 42277112) and Beijing Natural Science Foundation (6212020). TSG's contribution through The James Hutton Institute was supported by funds from the Rural and Environment Science and Analytical Services Division of the Scottish Government.
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