The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Carbon Uptake and the Metabolism and Transport of Lipids in an Arbuscular Mycorrhiza1
Open accessAbstract
Both the plant and the fungus benefit nutritionally in the arbuscular mycorrhizal symbiosis: The host plant enjoys enhanced mineral uptake and the fungus receives fixed carbon. In this exchange the uptake, metabolism, and translocation of carbon by the fungal partner are poorly understood. We therefore analyzed the fate of isotopically labeled substrates in an arbuscular mycorrhiza (in vitro cultures of Ri T-DNA-transformed carrot [Daucus carota] roots colonized by Glomus intraradices) using nuclear magnetic resonance spectroscopy. Labeling patterns observed in lipids and carbohydrates after substrates were supplied to the mycorrhizal roots or the extraradical mycelium indicated that: (a)13C-labeled glucose and fructose (but not mannitol or succinate) are effectively taken up by the fungus within the root and are metabolized to yield labeled carbohydrates and lipids; (b) the extraradical mycelium does not use exogenous sugars for catabolism, storage, or transfer to the host; (c) the fungus converts sugars taken up in the root compartment into lipids that are then translocated to the extraradical mycelium (there being little or no lipid synthesis in the external mycelium); and (d) hexose in fungal tissue undergoes substantially higher fluxes through an oxidative pentose phosphate pathway than does hexose in the host plant.
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Cited by
Nitrogen transfer in the arbuscular mycorrhizal symbiosis
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Self-citationCarbon Metabolism and Transport in Arbuscular Mycorrhizas
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Self-citationLipid transfer from plants to arbuscular mycorrhiza fungi
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Self-citation
Metadata
- Authors
- Pfeffer, P. E., Douds, D. D., Bécard, G., & Shachar-Hill, Y.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1999-06-01
- Volume
- 120
- Issue
- 2
- Pages
- 587-598
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W1977525920
- Cited by
- 403
- References
- 24
- FWCI
- 22.10
- Type
- journal article
- Language
- en
- Open access
- bronze
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