Effect of spermine on proliferation of hyphae of Glomus fistulosum, an arbuscular mycorrhizal fungus, in maize roots
Language English Country United States Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
11271827
DOI
10.1007/bf02817418
Knihovny.cz E-resources
- MeSH
- Analysis of Variance MeSH
- Eflornithine pharmacology MeSH
- Fungi drug effects MeSH
- Plant Roots microbiology MeSH
- Zea mays microbiology MeSH
- Spermine pharmacology MeSH
- In Vitro Techniques MeSH
- Dose-Response Relationship, Drug MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Eflornithine MeSH
- Spermine MeSH
Effects of two oligoamines, putrescine and spermine, on proliferation of intraradical hyphae in surface disinfected root segments were studied under axenic conditions in vitro. No significant effects of putrescine were observed. Spermine significantly stimulated hyphal growth at a concentration of about 1.5 mumol/L. High concentration (> 150 mumol/L) caused a strong inhibition of hyphal growth and of the percentage of root segments bearing proliferating hyphae. DL-alpha-difluoromethylornithine, a metabolic inhibitor of polyamine synthesis, caused a significant inhibition of proliferation of the hyphae only in the presence of 2 mumol/L spermine.
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