Bacteria in relation to country life / by Jacob G. Lipman.

  • Jacob Goodale Lipman
Date:
1908
Catalogue details

Licence: In copyright

Credit: Bacteria in relation to country life / by Jacob G. Lipman. Source: Wellcome Collection.

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    Diseases like tuberculosis, diphtheria, typhoid, cholera, pleuro-pneumonia and leprosy were proved to be due to specific organisms isolated and studied in pure culture. The rapid advance of bacteriology within the last quarter of a century has carried investigations beyond the isolation of pure cultures of various bacteria. Chem- istry has become a strong ally of bacteriology, and has Fig. 1. Soil-bacteriological investigations at the New Jersey Experiment Station. enabled the latter to recognize the chemical transfor- mations effected by the microorganisms. Medical bacteriology saw a wonderful development in the study of toxins, the poisonous substances, resulting from bacterial activities, and anti-toxins, capable of neutral- izing these poisons. This, in turn, has been the starting point for far-reaching investigations concerning the invasion of the animal system by bacteria, and the protective machinery of the living body. We have legrned much concerning the powers of
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