Responses to high temperature of the Azolla-Anabaena association, determined in both the fern and in the cyanobacterium

The responses to high temperature of the cyanobacterial symbiont and the host fern in tile Azolla-Anabaena symbiosis were studied by using Azolla strains with heterologous Anabaena azollae Strasburger of without Anabaena. At 26/18°C, symbiotic Azolla grew better than the corresponding Anabaena-free...

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Veröffentlicht in:The New phytologist. - 1979. - 111(1989), 4 vom: 20. Apr., Seite 625-630
1. Verfasser: Watanabe, I (VerfasserIn)
Weitere Verfasser: Lin, Chang, Santiago-Ventura, Teresita
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 1989
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Anaebaena azollae Azolla filiculoides Azolla microphylla cyanobacteria fern high temperature tolerance nitrogen fixation
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520 |a The responses to high temperature of the cyanobacterial symbiont and the host fern in tile Azolla-Anabaena symbiosis were studied by using Azolla strains with heterologous Anabaena azollae Strasburger of without Anabaena. At 26/18°C, symbiotic Azolla grew better than the corresponding Anabaena-free Azolla. A high temperature-sensitive species Azolla filiculoides Lamarck, produced smaller biomass under conditions of 37 °C (day)/29 °C (night) than the corresponding Anabaena-free Azolla grown in N-containing medium. A. filiculoides with Anabaena from temperature tolerant Azolla microphylla Kaulfuss was more effective at N2 fixation than A. filiculoides with homologous Anabaena. A microphylla with Anabaena from A. filiculoides grew more slowly and fixed less N2 than the strains with homologous Anabaena. In the presence of combined N at 37°/29 °C, A. microphylla grew better than A. filiculoides with Anabaena from A. microphylla. Tolerance of the Azolla-Anabaena association to high temperature is, therefore, determined both in the host fern and symbiont Anabaena 
650 4 |a Journal Article 
650 4 |a Anaebaena azollae 
650 4 |a Azolla filiculoides 
650 4 |a Azolla microphylla 
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650 4 |a high temperature tolerance 
650 4 |a nitrogen fixation 
700 1 |a Lin, Chang  |e verfasserin  |4 aut 
700 1 |a Santiago-Ventura, Teresita  |e verfasserin  |4 aut 
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