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On the Liquefaction of Gelatin by the Bacillus Cloacae

Published online by Cambridge University Press:  15 May 2009

Alfred MacConkey
Alfred MacConkey
Affiliation:
Senior Assistant Bacteriologist, Serum Department, Lister Institute of Preventive Medicine.
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The Bacillus cloacae liquefies gelatin very slowly, sometimes taking a month or more to do so. It is in consequence occasionally a source of delay and of great inconvenience to the bacteriologist. In this paper it has been shown that by using appropriate methods the time necessary for demonstrating the liquefaction of gelatin by this organism may be shortened to a week.

Type
Research Article
Information
Journal of Hygiene , Volume 6 , Issue 1 , January 1906 , pp. 23 - 32
Copyright
Copyright © Cambridge University Press 1906

References

page 25 note 1 The agar in these Roux bottles is solidified while the bottle lies flat on its side. The agar surface thus obtained equals in area that of 15–20 ordinary slant agar tubes.

page 29 note 1 Cited by Kolle, and Wassermann, , Handbuch der pathogenen Micro-organismen, Bd. I. 1903, p. 106.Google Scholar

page 30 note 1 On the 8th day this tube remained liquid at R.T. = 15°C.