1974
DOI: 10.1104/pp.53.6.813
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The Azolla, Anabaena azollae Relationship

Abstract: The Azolla-Anabaena azollae association permits the study of a symbiotic relationship between a blue-green alga and a green plant under laboratory conditions. Previous studies on the physiology of the symbiotic association were not well defined and were limited in scope. Various aspects of mineral nutrition, temperature, and light intensity on the growth of the organism have been reported (22). We are not aware of any studies on the metabolic functions of N2 fixation, respiration, and photosynthesis in the ind… Show more

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Cited by 161 publications
(46 citation statements)
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“…Mature fronds of each strain of Azolla were collected, washed several times with distilled water and the roots were removed. The 'gentle roller' Evolution of symbiosis in nostocacean cyanobacteria procedure (Peters & Mayne, 1974) was utilized to isolate filaments of symbiotic cyanobacteria from within leaf cavities.…”
Section: Methodsmentioning
confidence: 99%
“…Mature fronds of each strain of Azolla were collected, washed several times with distilled water and the roots were removed. The 'gentle roller' Evolution of symbiosis in nostocacean cyanobacteria procedure (Peters & Mayne, 1974) was utilized to isolate filaments of symbiotic cyanobacteria from within leaf cavities.…”
Section: Methodsmentioning
confidence: 99%
“…While nitrogenase is unique to the alga (21) its lability makes it unsuitable for quantitation. Chl a/b ratios provided another estimate, but this was based on the absence of Chl b from the alga (20) and was therefore not as sensitive. A third method, the quantitation of phycobilins which are unique to the alga in the association, was employed.…”
mentioning
confidence: 99%
“…cultures, algal isolation, and chlorophyll determinations were essentially as described previously (10,12). C2H2 Reduction and H2 Evolution.…”
Section: Methodsmentioning
confidence: 99%
“…Azolla is a genus of small aquatic ferns which, under natural conditions, invariably contain the heterocystous blue-green alga, Anabaena azollae, as a symbiont in an enclosed chamber in the dorsal leaf lobes (10,12). In the intact association, the alga can provide the Azolla plant with its total nitrogen requirement.…”
Section: Introductionmentioning
confidence: 99%
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