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Web URL(s): | http://www.jstor.org/stable/2557664 Last checked: 12/18/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Chauhan, V. S.;
Marwah, J. B.;
Bagchi, S. N. |
Author Affiliation: | Department of Post Graduate Studies and Research in Biological Sciences, R.D. University, India |
Title: | Effect of an antibiotic from Oscillatoria sp. on phytoplankters, higher plants and mice |
Source: | New Phytologist. Vol. 120, No. 2, February 1992, p. 251-257. |
Publishing Information: | Oxford, England: Cambridge University Press. |
Keywords: | TIC Keywords: Biological control; Oscillatoria; Algicides; Cyanobacteria; Growth regulators
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Abstract/Contents: | "When cultured with an axenic planktonic Oscillatoria sp., growth of some cyanobacteria and a green alga was suppressed owing to release of an algicidal metabolite (antibiotic). Growth inhibition was also detected on exposure to a cell-free extract of Oscillatoria or to ether extract. The ether extract abolished the photosystem (PS) II activity of Anacystis nidulans. Experimentation with a combination of photosynthetic electron acceptor-donor systems indicated that the antibiotic also inhibited PS II in isolated chloroplasts, primarily interacting at a site before P680 on the electron transport chain. The cyanobacterial product also suppressed growth of some natural isolates of cyanobacteria and green algae in controlled conditions and decreased the growth of some natural isolates of cyanobacteria and green algae in controlled conditions and decreased the population density of a green alga (phytoplankton) in nature. Growth of higher plants was also affected, though only when the Oscillatoria extract was applied to leaves. Experimental mice were unaffected by the antibiotic. Upon thin layer chromatography of the ether extract, two fractions with algicidal activity fluoresced under ultraviolet light. Long-chain saturated fatty acids were the major components of the fractions. The suitability of the antibiotic in control of toxic algae is discussed." |
Language: | English |
References: | 26 |
Note: | Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Chauhan, V. S., J. B. Marwah, and S. N. Bagchi. 1992. Effect of an antibiotic from Oscillatoria sp. on phytoplankters, higher plants and mice. New Phytol. 120(2):p. 251-257. |
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| Web URL(s): http://www.jstor.org/stable/2557664 Last checked: 12/18/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: QK 1 .N38 |
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