| Title | Arbuscular mycorrhizal fungi have a greater role than root hairs of maize for priming the rhizosphere microbial community and enhancing rhizosphere organic P mineralization |
| Publication Type | Journal Article |
| Year of Publication | 2022 |
| Authors | Zhou J.C, Zhang L., Feng G., George T.S |
| Journal | Soil Biology & Biochemistry |
| Volume | 171 |
| Pagination | 12 |
| Date Published | Aug |
| Type of Article | Article |
| ISBN Number | 0038-0717 |
| Accession Number | WOS:000808182500002 |
| Keywords | acquisition, Agriculture, AM fungi, biodiversity, carbon, Community diversity, depletion, external hyphae, growth, microbiome, nitrogen, phosphatase-activity, phosphorus, Po mineralization, rhizosphere, Root hairs, soil |
| Abstract | Root hairs, arbuscular mycorrhizal (AM) fungi and rhizosphere microbiome all play important roles in mycorrhizal plant phosphorus (P) absorption. However, how the plant-AM fungi-rhizosphere microbiome continuum interacts efficiently to promote the use of soil P is still unclear. Here, we present results of a controlled environment experiment to reveal the effect of root hair, AM fungi and their interaction on rhizosphere microbial Po cycles. Compared to root hairs, AM fungi contributed more to active microbial community assembly, functional gene recruitment and Po mineralization. The rhizosphere microbial Po mineralizing process contributed more than half of plant P assimilation in the P limited condition. The application of inorganic P (Pi) reduced the effect of root hairs and AM fungi on rhizosphere microbial community assembly and Po mineralizing ability. Our findings demonstrate the importance of AM fungi for maize as a driving force for rhizosphere microbial recruitment and function.
|
| Short Title | Soil Biol. Biochem.Soil Biol. Biochem. |
| Alternate Journal | Soil Biol. Biochem. |
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Zhou, Jiachao Zhang, Lin Feng, Gu George, Timothy S.
National Natural Science Foundation of China [U1703232]; National Nature Fund and Royal Society Joint Project [31711530217]; Rural and Environment Science and Analytical Services Division of the Scottish Government
We would like to thank Prof. Dr. Frank Hochholdinger (University of Bonn, Germany) for providing the seed of maize (Zea mays L. cv. B73) and its root hairless mutant rth3 to enable this study. This study was financially supported by the National Natural Science Foundation of China (U1703232) and National Nature Fund and Royal Society Joint Project (31711530217) . TS George contribution through The James Hutton Institute was supported by funds from the Rural and Environment Science and Analytical Services Division of the Scottish Government. I would also like to thank Lawrie Brown and Clare Cameron for advice and support with the MicroRespTM analysis.
Pergamon-elsevier science ltd
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