1. Mushrooms in medicine

   • H. P. Molitoris

   Review Pages: 91 - 98

2. Cloning, production and secretion of β-galactosidase inAcetobacter pasteurianus

   • J. Grones
   • K. Bencová

   Papers Pages: 99 - 104

3. Characterization of mitochondrial DNA topoisomerase I fromNeurospora crassa

   • J. Turňa
   • A. Pudzisová
   • T. Kuchta

   Papers Pages: 105 - 111

4. A rapid method for the differentiation ofStaphylococcus aureus hemolysins

   • V. Růžičková

   Papers Pages: 112 - 114

5. Accumulation of heavy metals by some wood-rotting fungi

   • J. Gabriel
   • M. Mokrejš
   • P. Rychlovský

   Papers Pages: 115 - 118

6. Regulation of biosynthesis of pesticidal metabolic complexes inStreptomyces griseus

   • J. Jizba
   • I. Skibová

   Papers Pages: 119 - 128

7. In vitro measurement of translation accuracy of ribosomes isolated from streptomycin-resistant mutant ofStreptomyces granaticolor

   • J. Weiser
   • M. Ehrenberg
   • J. Náprstek

   Papers Pages: 129 - 132

8. Some chemical and biological properties of culture filtrate ofNostochopsis lobatus

   • S. C. Agrawal

   Papers Pages: 133 - 136

9. Fungal leaching of nickeliferous laterites

   • P. G. Tzeferis

   Papers Pages: 137 - 140

10. Effects of subinhibitory concentrations of antibiotics on biological properties ofSalmonella typhimurium

    • L'. Majtánová
    • A. Hoštacká
    • V. Majtán

    Papers Pages: 141 - 146

11. Resistance to infection and activation of the monocyto-macrophage system caused byBacillus firmus and its fractions

    • M. Mára
    • J. Očenášková
    • E. Menčíková

    Papers Pages: 147 - 151

12. Antimicrobial effects of new 1-(1,2,4-triazol-1-yl)-acetanilides

    • S. Jantová
    • D. Hudecová
    • K. Špirková

    Papers Pages: 152 - 154

13. Effect of mycotoxins onin vitro movement of tracheal cilia from one-day-old chicks

    • Z. Jesenská
    • D. Bernát

    Papers Pages: 155 - 158

14. Occurrence of genes for P and S fimbriae and hemolysin in urinaryEscherichia coli

    • E. Jusková
    • I. Čižnár

    Papers Pages: 159 - 161

15. Restriction endonucleases R.EcoKI and R.EcoR124I are probably located in different environments within the bacterial cell

    • J. Hubáček
    • M. Weiserová
    • K. Firman

    Brief Report Pages: 162 - 165

16. Poly(3-hydroxybutyrate) granules ofBacillus megaterium

    • O. Kofroňová
    • L. Ptáčková
    • J. Chaloupka

    Brief Report Pages: 166 - 167

17. Book reviews

    • M. Přibylová
    • F. Kunc

    BookReview Pages: 168 - 168