1. How thick is theBacillus subtilis cell wall?

   • T. J. Beveridge
   • R. G. E. Murray

   OriginalPaper Pages: 1 - 4

2. Intracytoplasmic membrane production inEscherichia coli O111a₁: Isolation and lipid characterization of cell membranes

   • T. S. Glazebrook
   • G. C. Cannon
   • J. M. Shively

   OriginalPaper Pages: 5 - 10

3. Nitrogen fixation (Acetylene reduction) by free-livingRhizobium meliloti

   • E. J. Bedmar
   • J. Olivares

   OriginalPaper Pages: 11 - 13

4. Transient appearance of lectin receptors onRhizobium trifolii

   • Frank B. Dazzo
   • Maria R. Urbano
   • Winston J. Brill

   OriginalPaper Pages: 15 - 20

5. Antigenic relationship betweenHaemophilus influenzae andHaemophilus isolated from porcine pleuropneumonia

   • Anders Gunnarsson
   • Paula Branefors-Helander

   OriginalPaper Pages: 21 - 24

6. A note on the isolation of pathogenic aerobic actinomycetes from sudanese soils

   • Gloria Ajello
   • June Brown
   • Libero Ajello

   OriginalPaper Pages: 25 - 26

7. Activation ofDictyostelium discoideum spores with guanidine and methyl derivatives of urea

   • David A. Cotter

   OriginalPaper Pages: 27 - 30

8. Acetate utilization by a methylotrophic bacterium

   • Edward Bellion
   • Yu Sam Kim

   OriginalPaper Pages: 31 - 34

9. NADH-Linked oxidative phosphorylation inNitrobacter agilis

   • D. L. Sewell
   • M. I. H. Aleem

   OriginalPaper Pages: 35 - 37

10. A thermosensitivepdxJ mutation affecting vitamin B₆ biosynthesis inEscherichia coli K-12

    • Diane Apostolakos
    • Edward A. Birge

    OriginalPaper Pages: 39 - 42

11. L-forms ofHaemophilus influenzae: Growth and reversion as influenced by a strain ofNeisseria perflava

    • Sarabelie Madoff

    OriginalPaper Pages: 43 - 46

12. Phosphorus cyeling in aquatic microorganisms studied by phased uptake of³³P and³²P

    • T. Berman
    • G. W. Skyring

    OriginalPaper Pages: 47 - 49

13. Nitrite inhibition of aerobic bacteria

    • J. J. Rowe
    • J. M. Yarbrough
    • R. G. Eagon

    OriginalPaper Pages: 51 - 54

14. Immunological cross-reactivity betweenEscherichia coli heat-labile enterotoxin and cholera toxin A and B subunits

    • Jan Holmgren
    • Ann-Mari Svennerholm

    OriginalPaper Pages: 55 - 58

15. Evidence that gliding motility in prokaryotic cells is driven by rotary assemblies in the cell envelopes

    • Jack L. Pate
    • Li-Yen Edward Chang

    OriginalPaper Pages: 59 - 64