A5081777163- Mycorrhizal Fungi and Plant Interactions
- Soil Carbon and Nitrogen Dynamics
- Ecology and Vegetation Dynamics Studies
- Fungal Biology and Applications
- Forest Ecology and Biodiversity Studies
- Peatlands and Wetlands Ecology
- Biocrusts and Microbial Ecology
- Lichen and fungal ecology
- Botany and Plant Ecology Studies
- Rangeland and Wildlife Management
- Plant Parasitism and Resistance
- Plant Pathogens and Fungal Diseases
- Pasture and Agricultural Systems
- Legume Nitrogen Fixing Symbiosis
- Plant and animal studies
- Microbial Community Ecology and Physiology
- Plant nutrient uptake and metabolism
- Coastal wetland ecosystem dynamics
- Slime Mold and Myxomycetes Research
- Soil erosion and sediment transport
- Land Use and Ecosystem Services
- Coastal and Marine Management
- Heavy metals in environment
- Plant Disease Resistance and Genetics
- Marine and coastal plant biology
Lund University
2015-2024
Plant (United States)
2020
Institute for Biodiversity
2016-2017
Google (United States)
2017
Statistics Sweden
2008
Nordic Laboratory for Luminescence Dating
1999-2002
Ecologie Microbienne Lyon
1999
In-Q-Tel
1993
Considering agroecosystem multifunctionality is essential for designing sustainable cropping systems.
The distribution of an arbuscular mycorrhizal (AM) fungus between soil and roots, mycelial storage structures, was studied by use the fatty acid signature 16:1(omega)5. Increasing phosphorus level resulted in a decrease 16:1(omega)5 roots. A similar detected microscopic measurements root colonization length AM fungal hyphae soil. estimated from two types lipids, phospholipids neutral which mainly represent membrane lipids respectively. numbers spores formed correlated most closely with lipid...
Ergosterol has recently been used as a biomass indicator to compare the growth of different arbuscular mycorrhizal (AM) fungi (Hart & Reader, 2002a,b). Here, we show that ergosterol is not suitable biochemical marker for estimating AM and comparison between fungal taxa very difficult using any kind currently available marker. Because they are usually degraded rapidly after cell death because membrane area assumed be well correlated with biovolume microbial cells (Tunlid White, 1992),...
summary The arbuscular mycorrhizal (AM) fungus Glomus intraradices Schenck and Smith was grown in symbiosis with Cucumis sativus L. ev. Aminex (Fl hybrid) mesh bags surrounded by a sand‐filled hyphal compartment (HC), allowing only the fungal hyphae to protrude into HC. HC were supplied 15 N‐labelled NH 4 + or NO 3 − after 60 d (expt 1). Following 48 h labelling period, sand removed from extracted. In another experiment 2), extracted before being incubated vitro nutrient solution containing...
• To test the response of arbuscular mycorrhizal (AM) fungi to a difference in soil pH, extraradical mycelium Scutellospora calospora or Glomus intraradices, association with Plantago lanceolata, was exposed two different pH treatments, while root substrate left unchanged. Seedlings P. colonized by one other fungal symbionts, and nonmycorrhizal controls, were grown mesh bags placed pots containing pH-buffered sand (pH around 5 6). The systems harvested at approximately 2-wk intervals between...
The exchange of carbohydrates and mineral nutrients in the arbuscular mycorrhizal (AM) symbiosis must be controlled by both partners order to sustain an evolutionarily stable mutualism. Plants downregulate their carbon (C) flow fungus when nutrient levels are sufficient, while mechanism controlling fungal transfer is unknown. Here, we show that accumulates connected a host less benefit fungus, indicating potential control nutrients. We used monoxenic vitro model root organ cultures...
The nutrient and carbon (C) allocation dynamics in mycorrhizal hyphal networks cause variation costs benefits for individual plants fungi influence the productivity, diversity C cycling ecosystems. We manipulated light phosphorus (P) availability a pot experiment with Trifolium subterraneum colonised by arbuscular (AM) fungus Glomus intraradices. Stable (13)C-labelling was used to trace assimilated CO(2) roots soil using compound-specific isotope ratio mass spectrometry. neutral lipid fatty...
A common approach to the conservation of farmland biodiversity and promotion multifunctional landscapes, particularly in landscapes containing only small remnants non-crop habitats, has been maintain landscape heterogeneity reduce land-use intensity. In contrast, it recently shown that devoting specific areas habitats conservation, segregated from high-yielding ('land sparing'), can more effectively conserve than promoting low-yielding, less intensively managed occupying larger sharing')....
Summary Agricultural fertilization significantly affects arbuscular mycorrhizal fungal ( AMF ) community composition. However, the functional implications of shifts are unknown, limiting understanding role in agriculture. We assessed composition at four sites managed under same nitrogen (N) and phosphorus (P) fertilizer regimes for 55 yr. also established a glasshouse experiment with soils to investigate –barley Hordeum vulgare nutrient exchange, using carbon 13 C) 33 P isotopic labelling. N...
Bacteria and fungi, representing two major soil microorganism groups, play an important role in global nutrient biogeochemistry. Biogeographic patterns of bacterial fungal biomass are fundamental importance for mechanistically understanding cycling. We synthesized 1323 data points phospholipid fatty acid-derived C (FBC), (BBC), fungi:bacteria (F:B) ratio topsoil, spanning 11 biomes. The FBC, BBC, F:B display clear biogeographic along latitude environmental gradients including mean annual...
The majority of herbaceous plants are connected by arbuscular mycorrhizal (AM) fungi in complex networks, but how this affects carbon (C) and phosphorus (P) allocation among symbionts is poorly understood. We utilized a monoxenic AM system where hyphae from donor roots colonized two younger receiver varying C status. fungal to compartments was followed measuring the (13)C contents fungal- plant-specific lipids, P movement hyphal compartment traced using (33)P. Four times more translocated...
We introduce and provide a new data-set of species-specific ecological indicator values (alternative 'Ellenberg values' for climatic variables, light, moisture, soil reaction/pH, salinity, nitrogen phosphorus plus response to management disturbance), physiological reproductive traits (including symbionts, phenology, pollinators, nectar production, seed properties), indices relevance conservation introduction history biodiversity relevance), presence in 38 main vegetation types all vascular...
Abstract Turnover rates of arbuscular mycorrhizal (AM) fungi may influence storage soil organic carbon (SOC). We examined the longevity AM hyphae in monoxenic cultures; and we also used 13 C incorporation into signature fatty acids to study dynamics a symbiosis involving Glomus intraradices Plantago lanceolata . enrichment showed rapid transfer plant assimilates gradual release from roots rhizosphere bacteria, but at much slower rate. Furthermore, most assimilated by remained 32 days after...
ABSTRACT Trichoderma harzianum is an effective biocontrol agent against several fungal soilborne plant pathogens. However, possible adverse effects of this fungus on arbuscular mycorrhizal fungi might be a drawback in its use protection. The objective the present work was to examine interaction between Glomus intraradices and T. soil. compartmented growth system with root-free soil compartments enabled us study interactions without interfering roots. Growth monitored by measuring hyphal...
ABSTRACT We monitored the development of intraradical and extraradical mycelia arbuscular mycorrhizal (AM) fungi Scutellospora calospora Glomus intraradices when colonizing Plantago lanceolata . The occurrence arbuscules (branched hyphal structures) vesicles (lipid storage organs) was compared with amounts signature fatty acids. acid 16:1ω5 used as a for both AM fungal phospholipids (membrane constituents) neutral lipids (energy storage) in roots (intraradical mycelium) soil (extraradical...
In this study we investigated the effects of temperature on fungal growth and tested whether differences in were related to carbon movement to, or within, fungus. Growth curves C uptake-transfer-translocation measurements obtained for three arbuscular mycorrhizal fungi (AMF) isolates cultured within a 6-30 degrees range. A series experiments with model isolate, Glomus intraradices, was used examine lipid body 33P movement, investigate role acclimation incubation time. Temperature AMF both...