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- Title
Effect of Sulphanilamide and p-Aminobenzoic Acid on Mitosis.
- Authors
HINDMARSH, MARY M.
- Abstract
THE action of sulphanilamide on plant growth shows many parallels to its action on bacterial growth. As Bonner1, and more recently Audus and Quastel2, have shown, sulphanilamide will completely abolish growth in length or wet-weight of roots. This inhibition, as in bacteria, is competitively reversed by addition of p-aminobenzoic acid to the nutrient solution. Audus and Quastel, however, are of the opinion that the competitive reversal is of a different nature in root growth from that in bacterial growth. Their evidence for this statement is based on the fact that, while in bacteria reversal is complete even with a p-aminobenzoic acid concentration 1/50 to 1/4,000 that of sulphanilamide, in roots reversal is complete only when the ratio of sulphanilamide to p-aminobenzoic acid is approximately unity.
- Publication
Nature, 1949, Vol 163, Issue 4146, p610
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/163610a0