BIOLOGICAL EFFECTS OF A MERCURY FUNGICIDE ON A N2 -FIXING BLUE-GREEN ALGA NOSTOC MUSCORUM : ISOLATION AND PRELIMINARY CHARACTERIZATION OF A Hg-RESISTANT MUTANT
Mercuric chloride, which is used as a fungicide in tropical paddy-fields, inhibits growth (in N2 , i.e. molecular nitrogen, and 5 mM KNO3 media) and heterocyst formation (in N8 medium) in the blue-green alga Nostoc muscorum at a concentration of 0.3 μg ml-1 and above. These inhibitory effects were r...
| Veröffentlicht in: | The New phytologist. - 1979. - 102(1986), 1 vom: 20. Jan., Seite 45-49 |
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| Weitere Verfasser: | , , |
| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
1986
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| Zugriff auf das übergeordnete Werk: | The New phytologist |
| Schlagworte: | Journal Article Nostoc muscorum Pesticide-toxicity mercury-resistance mutation |
| Zusammenfassung: | Mercuric chloride, which is used as a fungicide in tropical paddy-fields, inhibits growth (in N2 , i.e. molecular nitrogen, and 5 mM KNO3 media) and heterocyst formation (in N8 medium) in the blue-green alga Nostoc muscorum at a concentration of 0.3 μg ml-1 and above. These inhibitory effects were reversed on supplementation with 3 mM exogenous glucose. A mercury resistant mutant of this alga has been obtained, which is stable through repeated cell transfers in N2 medium. It is suggested that a Hg-inducible protein/enzyme system is responsible for the intracellular mercury-resistance of this mutant |
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| Beschreibung: | Date Revised 20.04.2021 published: Print Citation Status PubMed-not-MEDLINE |
| ISSN: | 1469-8137 |
| DOI: | 10.1111/j.1469-8137.1986.tb00796.x |