The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
Functional diversity in arbuscular mycorrhizal (AM) symbioses: the contribution of the mycorrhizal P uptake pathway is not correlated with mycorrhizal responses in growth or total P uptake
Abstract
• We investigated structural and functional diversity in arbuscular mycorrhizal (AM) symbioses involving three plant species and three AM fungi and measured contributions of the fungi to P uptake using compartmented pots and 33P. The plant/fungus combinations varied in growth and P responses. Flax (Linum usitatissimum) responded positively to all fungi, and medic (Medicago truncatula) to Glomus caledonium and G. intraradices, but not Gigaspora rosea. Tomato (Lycopersicon esculentum) showed no positive responses. • Hyphal growth in soil was very low for Gi. rosea and high for both Glomus spp. Hyphal lengths in root + hyphal compartment (RHC) and hyphal compartment (HC) were similar for G. intraradices, but much higher in HC for G. caledonium. • Specific activities of 33P in plants and soil indicated that fungal P uptake made substantial contributions to five plant/fungus combinations and significant contributions to a further two. G. intraradices delivered close to 100% of the P in all three plants. G. caledonium and Gi. rosea delivered less P. The amount was not related to colonisation or to growth or P responses. • We conclude that: AM colonisation can result in complete inactivation of the direct P uptake pathway via root hairs and epidermis; calculations of AM contributions to P uptake from total plant P will often be highly inaccurate; and lack of plant responsiveness does not mean that an AM fungus makes no contribution to P uptake.
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Cites
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Self-citationMycorrhizal Fungi Can Dominate Phosphate Supply to Plants Irrespective of Growth Responses
Smith, S. E., Smith, F. A., & Jakobsen, I. (2003) · Plant Physiology · doi:10.1104/pp.103.024380 · Cited by 1,007
Self-citationJAKOBSEN, I., ABBOTT, L. K., & ROBSON, A. D. (1992) · New Phytologist · doi:10.1111/j.1469-8137.1992.tb01077.x · Cited by 921
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Self-citationA phosphate transporter from the mycorrhizal fungus Glomus versiforme
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Cited by
Smith, S. E., Jakobsen, I., Grønlund, M., & Smith, F. A. (2011) · Plant Physiology · doi:10.1104/pp.111.174581 · Cited by 1,249
Self-citationSIGNALING IN THE ARBUSCULAR MYCORRHIZAL SYMBIOSIS
Harrison, M. J. (2005) · Annual Review of Microbiology · doi:10.1146/annurev.micro.58.030603.123749 · Cited by 785
Functional biology of plant phosphate uptake at root and mycorrhiza interfaces
Bucher, M. (2007) · New Phytologist · doi:10.1111/j.1469-8137.2006.01935.x · Cited by 718
Symbiotic phosphate transport in arbuscular mycorrhizas
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Fresh perspectives on the roles of arbuscular mycorrhizal fungi in plant nutrition and growth
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Metadata
- Authors
- Smith, S. E., Smith, F. A., & Jakobsen, I.
- Venue
- New Phytologist
- Publisher
- Wiley
- Published
- 2004-03-11
- Volume
- 162
- Issue
- 2
- Pages
- 511-524
- ISSN
- 0028-646X (ISSN-L)
- 1469-8137
- OpenAlex
- W2153930558
- Cited by
- 696
- References
- 27
- FWCI
- 29.62
- Type
- journal article
- Language
- en
- Open access
- closed
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- Smith, S. E., Smith, F. A., & Jakobsen, I. (2004). Functional diversity in arbuscular mycorrhizal (AM) symbioses: the contribution of the mycorrhizal P uptake pathway is not correlated with mycorrhizal responses in growth or total P uptake. New Phytologist. https://doi.org/10.1111/j.1469-8137.2004.01039.x
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