John L. Gaunt

Interactions in the Root Environment: An Integrated Approach

Section 1. Signalling and recognition in the root environment.- 1. Analysis of N-acyl homoserine-lactone quorum-sensing molecules made by different strains and biovars of Rhizobium leguminosarum containing different symbiotic plasmids.- 2. Signalling between arbuscular mycorrhizal fungi and plants: identification of a gene expressed during early interactions by differential RNA display analysis.- 3. Methods for studying the nematophagous fungus Verticillium chlamydosporium in the root environment.- 4. Does allelopathy offer real promise for practical weed management and for explaining rhizosphere interactions involving higher plants?.- Section 2. Root structure and function.- 5. Root proliferation, nitrate inflow and their carbon costs during nitrogen capture by competing plants in patchy soil.- 6. The nutritional control of root development.- 7. Effect of phosphorus availability on basal root shallowness in common bean.- 8. A comparison of structure, development and function in cluster roots of Lupinus albus L. under phosphate and iron stress.- Section 3. Biologically-mediated processes in the root environment.- 9. Rhizosphere carbon flow measurement and implications: from isotopes to reporter genes.- 10. Soil and rhizosphere as habitats for Pseudomonas inoculants: new knowledge on distribution, activity and physiological state derived from micro-scale and single-cell studies.- 11. Sulphur and phosphorus transport systems in plants.- 12. Incorporating rhizosphere processes into field-scale (agro)ecosystem models.- 13. Plant-mediated processess to acquire nutrients: nitrogen uptake by rice plants.- Section 4. Biodiversity in the root environment.- 14. Plants and fertilisers as drivers of change in microbial community structure and function in soils.- 15. Soil fungi: diversity and detection.- 16. On the relationships between nematodes, mycorrhizal fungi and plants: functional composition of species and plant performance.- 17. Bacterial diversity of the rhizosphere of maize (Zea mays) grown in tropical soil studied by temperature gradient gel electrophoresis.- 18. Monitoring temporal and spatial variation in rhizosphere bacterial population diversity: A community approach for the improved selection of rhizosphere competent bacteria.- Section 5. Exploitation of rhizosphere interactions.- 19. Enhancing the biocontrol efficacy of Pseudomonas fluorescens Fl 13 by altering the regulation and production of 2,4-diacetylphloroglucinol.- 20. Plant and rhizosphere processes involved in phytoremediation of metal-contaminated soils.- 21. An integrated approach for the evaluation of biological control of the complex Polymyxa betae/Beet Necrotic Yellow Vein Virus, by means of seed inoculants.