Behaviour of Micro-organisms

1. Front Matter

   Pages I-XVIII

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2. Chemotaxis and Chemotropism

   1. Chemotaxis in Escherichia Coli

      • J. Adler

      Pages 1-15

   2. Chemotaxis in Ciliate Protozoa

      • S. Dryl

      Pages 16-30

   3. Chemotaxis of Animal Spermatozoa

      • R. L. Miller

      Pages 31-47

   4. Chemotaxis and Aggregation in Slime Molds

      • T. M. Konijn

      Pages 48-61

   5. Pollen Tube Chemotropism

      • J. P. Mascarenhas

      Pages 62-69

3. Phototaxis

   1. Phototaxis and Photokinesis in Bacteria and Blue-Green Algae

      • W. Nultsch

      Pages 70-81

   2. Phototaxis in Euglena 1: Physiological Basis of Photoreception and Tactic Orientation

      • B. Diehn

      Pages 83-90

   3. Phototaxis in Euglena 11: Biochemical Aspects

      • G. Tollin

      Pages 91-105

   4. Studies in Microorganismal Behavior by Computerized Television

      • D. Davenport

      Pages 106-116

4. Role of the Cell Membrane in Behaviour of Paramecium

   1. Electrical Mechanisms Controlling Locomotion in the Ciliated Protozoa

      • R. Eckert

      Pages 117-126

   2. Role of Bound Calcium in the Control of Cilia

      • Y. Naitoh

      Pages 127-144

   3. Behavioral Mutants of Paramecium Aurelia

      • C. Kung

      Pages 145-155

5. Amoeboid Movement and Behaviour

   1. The Behavior of Amoebae

      • R. D. Allen, M. Haberey

      Pages 157-167

6. Flagella and Cilia

   1. Biochemistry of Bacterial Flagella

      • K. Dimmitt, S. Emerson, K. Tokuyasu, M. Simon

      Pages 169-181

   2. The Basal Body of Bacterial Flagella

      • M. L. DePamphilis

      Pages 182-194

   3. The Nature of the Flagellar Hook and the Likely Involvement of Surface Structures in the Formation of Bacterial Flagellum

      • H. Koffler, R. W. Smith, J. R. Mitchen, E. McGroarty

      Pages 195-204

   4. Genetics of Bacterial Flagella in Special Reference to Motility

      • T. Iion

      Pages 205-213

   5. Structural Basis of Ciliary Activity

      • P. Satir

      Pages 214-228

7. Habituation and Other Behaviour Modification

   1. Habituation in the Protozoan Spirostomum and Problems of Learning

      • P. B. Applewhite

      Pages 229-233

Organisms are constantly being bombarded by stimuli in their envi­ ronment (and also by internal stimuli), and a common way of responding is by movement. This is an aspect of irritability, or excitability, or behaviour. Response to stimuli by movement is found in all organisms: it represents one of the universalities of biology. Yet at the molecular level it is one of the least understood of biological phenomena. Micro-organisms are no exception. If motile, they respond to stimuli by active movement (taxis); if sessile, they respond by growth movements (tropisms). Responses by movement are known among micro-organisms to such stimuli as chemicals, electric current, gravity, light, temperature, touch, and vibrations. The behaviour of micro-organisms is an exciting subject, first of all for its own sake, but in addition because it may reveal facts and concepts that are applicable to understanding behaviour in more complicated organisms (even us) and because it may, help to understand the movement of cells and tissues during differentiation and development of higher plants and animals.

• behavior
• biology
• cell
• cells
• development
• genetics
• growth
• tissue

• Mexico

  A. Pérez-Miravete

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