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, Rodrg̕uez Analia, Pereira Claudia Elizabeth and Abate, Carlos Mauricio -- 3. Morphological changes and oxidative stress in actinobacteria during removal of heavy metals / Vern̤ica L. Colin, Liliana B. Villegas, Claudia E. Pereira, Mara̕ J. Amoroso and Carlos M. Abate -- 4. Activation of silent genes in actinobacteria by exploiting metal stress / Gt̲z Haferburg and Erika Kothe -- 5. Overview of copper resistance and oxidative stress response in amycolatopsis tucumanensis, a useful strain for bioremediation / Jos ̌S. Dv̀ila Costa, Erika Kothe, Mara̕ 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, Mara̕ J. Amoroso and Carlos M. Abate -- 8. Cadmium bioremediation by a resistant streptomyces strain / Sięriz Louis Manuel, Kothe Erika and Abate Carlos Mauricio -- 9. Streptomyces from soils contaminated with boron Compounds / Norma Beatriz Moraga, Mara̕ Julia Amoroso and Vern̲ica Beatriz Rajal -- 10. Biodegradation of pesticides by actinobacteria and their possible application in biobed systems / Gabriela Briceǫ, Leticia Pizzul and Mara̕ Cristina Diez -- 11. Lindane removal using streptomyces strains and maize (Zeas mays) Plants / Anala̕ ℓlvarez, Luciano Mata̕s Yaęz and Mara̕ Julia Amoroso -- 12. Actinobacteria consortia as lindane bioremediation tool for liquid and soil systems / Mara̕ S. Fuentes, Juliana M. Sèz, Claudia S. Benimeli and Mara̕ J. Amoroso -- 13. Chlordane biodegradation under aerobic conditions by actinobacteria strains / Natalia Bourguignon, Sergio A. Cuozzo, Mara̕ S. Fuentes, Claudia S. Benimeli and Mara̕ J. Amoroso -- 14. Metabolic diversity and flexibility for hydrocarbon biodegradation by rhodococcus / Hčtor 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, Hčtor A. Cristb̤al and Carlos M. Abate.