Philip Draper

National Institute for Medical Research, Mill Hill, London NW7 1AA, England

Received 9/25/98 Accepted 10/9/98

TABLE OF CONTENTS

1. Abstract

2. Introduction

3. The mycobacterial envelope

3.1. The arrangement of mycolates
3.2. Evidence for the outer lipid permeability barrier
3.3. The permeability of the outer lipid barrier

4. Porins in mycobacteria

4.1. Porin-like protein of Mycobacterium tuberculosis
4.2. Porins in other slow-growing mycobacteria
4.3. Access of molecules to mycobacteria

5. A mycobacterial capsule

5.1. Permeability and the capsule

6. Perspective

7. Acknowledgement

8. References

9. Entire manuscript