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Numrering	Referens	Omslagsbild	Hitta
1.	Olsson, Pål Axel, et al. (författare) Tracking carbon from the atmosphere to the rhizosphere 2005 Ingår i: Ecology Letters. - : Wiley. - 1461-023X .- 1461-0248. ; 8:12, s. 1264-1270 Tidskriftsartikel (refereegranskat)abstract Turnover rates of arbuscular mycorrhizal (AM) fungi may influence storage of soil organic carbon (SOC). We examined the longevity of AM hyphae in monoxenic cultures; and we also used C-13 incorporation into signature fatty acids to study C dynamics in a mycorrhizal symbiosis involving Glomus intraradices and Plantago lanceolata. C-13 enrichment of signature fatty acids showed rapid transfer of plant assimilates to AM fungi and a gradual release of C from roots to rhizosphere bacteria, but at a much slower rate. Furthermore, most C assimilated by AM fungi remained 32 days after labelling. These findings indicate that C-13 labelled fatty acids can be used to track C flux from the atmosphere to the rhizosphere and that retention of C in AM fungal mycelium may contribute significantly to SOC.

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