1. Ultrasound sensitive enzyme-membrane

   • Yoshio Ishimori
   • Isao Karube
   • Shuichi Suzuki

   Biotechnology Pages: 197 - 201

2. Relationship between genetic deregulation of Hansenula polymorpha and production of tryptophan metabolites

   • Emmanuel O. Denenu
   • Arnold L. Demain

   Industrial Microbiology Pages: 202 - 207

3. Quantitative physiology of Penicillium cyclopium grown on whey for production of microbial protein

   • J. H. Kim
   • S. Iibuchi
   • J. M. Lebeault

   Industrial Microbiology Pages: 208 - 212

4. Removal of contaminating proteases from Bacillus thuringiensis parasporal crystals by density gradient centrifugation in NaBr

   • Kenneth W. Nickerson
   • Jane D. Swanson

   Industrial Microbiology Pages: 213 - 215

5. Microbial desulfonation of lignosulfonate—a new approach

   • Yuval L. Steinitz

   Environmental Microbiology Pages: 216 - 221

6. Direct delignification of untreated bark chips with mixed cultures of bacteria

   • A. M. Deschamps
   • J. P. Gillie
   • J. M. Lebeault

   Environmental Microbiology Pages: 222 - 225

7. Release of carboxymethyl-cellulase and β-glucosidase from cell walls of Trichoderma reesei

   • C. P. Kubicek

   Environmental Microbiology Pages: 226 - 231

8. Studies on the inhibition of bacterial macromolecule synthesis by roquefortine, a mycotoxin from Penicillium roqueforti

   • Bettina Kopp
   • H. J. Rehm

   Applied Microbiology Pages: 232 - 235

9. End product inhibition in methane fermentations: Effects of carbon dioxide and methane on methanogenic bacteria utilizing acetate

   • Göran Hansson
   • Nils Molin

   Applied Microbiology Pages: 236 - 241

10. End product inhibition in methane fermentations: Effects of carbon dioxide on fermentative and acetogenic bacteria

    • Göran Hansson
    • Nils Molin

    Applied Microbiology Pages: 242 - 247

11. Lactic acid bacteria active during the fermentation of wheat silage in small scale silos

    • N. J. Moon
    • L. C. Moon
    • J. A. Parker

    Short Communications Pages: 248 - 250

12. Ultrafiltration membrane enzymatic reactors, polarized versus stirred reactor performance

    • G. Greco Jr.
    • A. M. Livolsi
    • L. Gianfreda

    Short Communications Pages: 251 - 253

13. Influence of penicillin instability on interpretation of feedback regulation experiment

    • E. Nestaas
    • A. L. Demain
    • L. E. Day

    Letters to the Editor Pages: 254 - 255