1. Editorial

   • Arnoŝt Kotyk

   EditorialNotes Pages: 3 - 3

2. The effect of incubation temperature on struvite formation by bacteria

   • M. A. Rivadeneyra
   • I. Pérez-García
   • A. Ramos-Cormenzana

   Papers Pages: 5 - 9

3. Netropsin inhibits the increase of intracellular Ca²⁺-dependent serine proteinase activity in sporulatingBacillus megaterium

   • H. Kučerová
   • J. Chaloupka

   Papers Pages: 10 - 14

4. Identification of the product oftetP gene: A possible mechanistic basis for tetracycline resistance inClostridium perfringens

   • N. K. Saksena
   • N. Truffaut

   Papers Pages: 15 - 21

5. Sporulation and synthesis of extracellular proteinases inBacillus subtilis are more temperature-sensitive than growth

   • E. Jansová
   • Z. Schwarzová
   • J. Chaloupka

   Papers Pages: 22 - 24

6. Antimicrobial activity determined in strains ofBacillus circulans cluster

   • C. Perez
   • C. Suarez
   • G. R. Castro

   Papers Pages: 25 - 28

7. Purification and characterization of cellulase fromBacillus thermoalcaliphilus isolated from a termite mound

   • A. Sarkar
   • S. N. Upadhyay

   Papers Pages: 29 - 32

8. Properties of membrane-bound ATPase of some acidophilic heterotrophic bacteria

   • S. Bhattacharyya
   • P. C. Banerjee
   • P. K. Das

   Papers Pages: 33 - 39

9. Antimicrobial effects of some dicarbonyl and tricarbonyl sugar hydrazone derivatives

   • J. Gabriel
   • J. Volc
   • E. Kubátová

   Papers Pages: 40 - 42

10. Primary biodegradation of amine oxide and quaternary ammonium amphiphiles

    • V. Čupková
    • L. Sirotková
    • Z. Kovačková

    Papers Pages: 43 - 48

11. Effect of lipids and detergents on the production and solubilization of extracellular lipase inYarrowia lipolytica

    • Č. Novotnyý
    • l. Doležalová

    Papers Pages: 49 - 54

12. Influence of increasing methanol concentrations on alcohol oxidase activity inCandida boidinii

    • M. Anděrová
    • L. Anděra
    • V. Löbl

    Papers Pages: 55 - 58

13. Ultracytochemical localization of dihydroorotate dehydrogenase in mitochondria and vacuoles ofSaccharomyces cerevisiae

    • J. Voříšek
    • J. Pazlarová
    • G. Hervé

    Papers Pages: 59 - 67

14. Production of exopolysaccharide by a new mutant strain ofAchromobacter delicatulus using whey fermentation

    • J. Koníček
    • J. Lasík
    • H. Šafář

    Papers Pages: 68 - 70

15. Production of an exocellular polymer in a mutant strain ofAchromobacter delicatulus on a new type of stirrer

    • J. Lasík
    • J. Koníček
    • O. Roušalová

    Papers Pages: 71 - 73

16. Antimicrobial spectrum of bacteriocin-like substances produced by rumen staphylococci

    • A. Lauková
    • M. Mareková

    Papers Pages: 74 - 76

17. Parametric optimization of extracellular α-amylase production by thermophilicBacillus coagulans

    • K. R. Babu
    • T. Satyanarayana

    Brief Report Pages: 77 - 80