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Phytotechnologies: how plants and bacteria work together

  • Stefan Shilev
  • Iordanka Kuzmanova
  • Enrique Sancho
Part of the NATO Science for Peace and Security Series C: Environmental Security book series (NAPSC)

Decision on the type of remediation technology to adopt in any particular situation is a difficult issue. Biotechnologies are beginning to offer efficient tools and environmental solutions for the cleanup of contaminated sites. An environmentally friendly in-situ technology is phytoremediation. This term covers different processes applicable to heavy metal-contaminated soils: phytostabilisation, phytoimmobilization, phytodegradation, rhizofiltration, phytoextraction. The interactions in soil between plant and microbes are one of the most important factors that influence the technology. The capacity of soil bacteria to utilize 1-aminocyclo-propane-1-carboxylate (ACC) and thus increase root elongation is reviewed. A mathematical model of arsenic accumulation in sunflower plant treated with a plant growth-promoting rhizobacteria (PGPR) Pseudomonas fluorescens biotype F and the possibilities of utilization of biomass from phytoremediation are presented. Further perspectives in that direction are related to the use of natural or introduced PGPR.

Keywords

phytoremediation PGPR ACC arsenic accumulation model 

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Copyright information

© Springer Science + Business Media B.V 2009

Authors and Affiliations

  • Stefan Shilev
    • 1
  • Iordanka Kuzmanova
    • 1
  • Enrique Sancho
    • 2
  1. 1.Department of Microbiology and Environmental BiotechnologiesAgricultural University-PlovdivBulgaria
  2. 2.Department of Microbiology, Edif. Severo Ochoa, Campus RabanalesUniversity of CórdobaCórdobaSpain

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