1. Engineering bacterial biopolymers for the biosorption of heavy metals; new products and novel formulations

   • D. L. Gutnick
   • H. Bach

   MINI-REVIEW Pages: 451 - 460

2. Biodegradation of nylon oligomers

   • S. Negoro

   MINI-REVIEW Pages: 461 - 466

3. Clavulanic acid, a β-lactamase inhibitor: biosynthesis and molecular genetics

   • P. Liras
   • A. Rodríguez-García

   MINI-REVIEW Pages: 467 - 475

4. Aqueous two-phase: the system of choice for extractive fermentation

   • J. Sinha
   • P. K. Dey
   • T. Panda

   MINI-REVIEW Pages: 476 - 486

5. Effect of feeding strategy on Zymomonas mobilis CP4 fed-batch fermentations and mathematical modeling of the system

   • S. Bravo
   • A. Mahn
   • C. Shene

   ORIGINAL PAPER Pages: 487 - 493

6. Anaerobic bioconversion of cellulose by Ruminococcus albus, Methanobrevibacter smithii, and Methanosarcina barkeri

   • T. L. Miller
   • E. Currenti
   • M. J. Wolin

   ORIGINAL PAPER Pages: 494 - 498

7. Cloning, sequencing, and functional analysis of H-OLE1 gene encoding Δ9-fatty acid desaturase in Hansenula polymorpha

   • S.-F. Lu
   • I. I. Tolstorukov
   • S. Harashima

   ORIGINAL PAPER Pages: 499 - 509

8. Enhanced stability of laccase in the presence of phenolic compounds

   • C. Mai
   • W. Schormann
   • A. Hüttermann

   ORIGINAL PAPER Pages: 510 - 514

9. Application of the response surface methodology for optimizing the activity of an aprE-driven gene expression system in Bacillus subtilis

   • E. R. El-Helow
   • Y. R. Abdel-Fattah
   • E. A. Mohamad

   ORIGINAL PAPER Pages: 515 - 520

10. Molecular characterization of xynX, a gene encoding a multidomain xylanase with a thermostabilizing domain from Clostridium thermocellum

    • H. Kim
    • K. H. Jung
    • M. Y. Pack

    ORIGINAL PAPER Pages: 521 - 527

11. Bioconversion of lutein to products with aroma

    • A. Sánchez-Contreras
    • M. Jiménez
    • S. Sanchez

    ORIGINAL PAPER Pages: 528 - 534

12. Effect of dissolved oxygen and carbon–nitrogen loads on denitrification by an aerobic consortium

    • D. Patureau
    • N. Bernet
    • R. Moletta

    ORIGINAL PAPER Pages: 535 - 542

13. Inhibition of the development of microorganisms (bacteria and fungi) by extracts of marine algae from Brittany, France

    • C. Hellio
    • G. Bremer
    • N. Bourgougnon

    ORIGINAL PAPER Pages: 543 - 549

14. In vivo antioxidant role of astaxanthin under oxidative stress in the green alga Haematococcus pluvialis

    • M. Kobayashi

    ORIGINAL PAPER Pages: 550 - 555

15. Loss of glucose repression in an Acremonium chrysogenumβ-lactam producer strain and its restoration by multiple copies of the cre1 gene

    • K. Jekosch
    • U. Kück

    ORIGINAL PAPER Pages: 556 - 563

16. The carbon source influences the energetic efficiency of the respiratory chain of N₂-fixing Acetobacter diazotrophicus

    • M. F. Luna
    • C. F. Mignone
    • J. L. Boiardi

    ORIGINAL PAPER Pages: 564 - 569

17. Fibrobacter succinogenes S85 ferments ball-milled cellulose as fast as cellobiose until cellulose surface area is limiting

    • M. W. Fields
    • S. Mallik
    • J. B. Russell

    ORIGINAL PAPER Pages: 570 - 574

18. Commercial baker's yeast stability as affected by intracellular content of trehalose, dehydration procedure and the physical properties of external matrices

    • P. Cerrutti
    • M. Segovia de Huergo
    • M. del Pilar Buera

    ORIGINAL PAPER Pages: 575 - 580

19. Zinc biosorption by a zinc-resistant bacterium, Brevibacterium sp. strain HZM-1

    • J. Taniguchi
    • H. Hemmi
    • T. Nishino

    ORIGINAL PAPER Pages: 581 - 588

20. Biodegradation of atrazine in sand sediments and in a sand-filter

    • S. J. Goux
    • M. Ibanez
    • L. Pussemier

    ORIGINAL PAPER Pages: 589 - 596

21. Screening of hexavalent chromium biosorbent from marine algae

    • D.-C. Lee
    • C.-J. Park
    • H.-I. Rhee

    SHORT CONTRIBUTION Pages: 597 - 600