1. Biology of actinomycetes in the rhizosphere of nitrogen-fixing plants / Mariana Solans and Gernot Vobis -- 2. Cultural factors affecting heavy metals removal by Actinobacteria / Villegas Liliana Beatriz, Rodriguez Analia, Pereira Claudia Elizabeth and Abate, Carlos Mauricio -- 3. Morphological changes and oxidative stress in actinobacteria during removal of heavy metals / Veronica L. Colin, Liliana B. Villegas, Claudia E. Pereira, Maria J. Amoroso and Carlos M. Abate -- 4. Activation of silent genes in actinobacteria by exploiting metal stress / Gotz Haferburg and Erika Kothe -- 5. Overview of copper resistance and oxidative stress response in amycolatopsis tucumanensis, a useful strain for bioremediation / Jose S. Davila Costa, Erika Kothe, Maria J. Amoroso and Carlos M. Abate -- 6. Multi-metal bioremediation by microbial assisted phytoremediation / Martin Reinicke, Frank Schindler, Martin Roth and Erika Kothe -- 7. Cooperative activity of actinobacteria and plants in soil bioremediation processes / Mariana C. Atjian, Marta A. Polti, Maria J. Amoroso and Carlos M. Abate -- 8. Cadmium bioremediation by a resistant streptomyces strain / Sineriz Louis Manuel, Kothe Erika and Abate Carlos Mauricio -- 9. Streptomyces from soils contaminated with boron Compounds / Norma Beatriz Moraga, Maria Julia Amoroso and Veronica Beatriz Rajal -- 10. Biodegradation of pesticides by actinobacteria and their possible application in biobed systems / Gabriela Briceno, Leticia Pizzul and Maria Cristina Diez -- 11. Lindane removal using streptomyces strains and maize (Zeas mays) Plants / Analia Alvarez, Luciano Matias Yanez and Maria Julia Amoroso -- 12. Actinobacteria consortia as lindane bioremediation tool for liquid and soil systems / Maria S. Fuentes, Juliana M. Saez, Claudia S. Benimeli and Maria J. Amoroso -- 13. Chlordane biodegradation under aerobic conditions by actinobacteria strains / Natalia Bourguignon, Sergio A. Cuozzo, Maria S. Fuentes, Claudia S. Benimeli and Maria J. Amoroso -- 14. Metabolic diversity and flexibility for hydrocarbon biodegradation by rhodococcus / Hector M. Alvarez and Roxana A. Silva -- 15. Cold-active enzymes bioprospecting from actinobacteria isolated from beagle channel, in south extreme of Argentina / Adriana E. Alvarenga, Claudia E. Pereira, Hector A. Cristobal and Carlos M. Abate.