Fine structure of Frankia in root nodules and isolation of Frankia from nodules of actinorhizal plants growing in japan
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概要
- 論文の詳細を見る
We compared the fine structure and spatial arrangement of Frankia in root nodules of Alnus hirsta, Myrica rubra, Elaeagnus pungens, and Coriaria japonica by electron micrography and also isolated Frankia from nodules of Elaeagnus macrophylla and Alnus sieboldiana. Frankia in root nodules formed vesicles and hyphae but no sporangia. The diameters of vesicles and hyphae were 2-3μm and 0.5-1.0 μm, respectively. The shape and spatial arrangement of the vesicles in nodules varied among the species. The vesicles of A. hirsta and E. pungens were spherical and internally compartmentalized into multiple small segments by septa, and those in M. rubra were spheroidal and internally septate. The vesicles of C. japonica were club-shaped and arranged peripherally around a central vacuole and were not separated by septa. One strain from E. macrophylla and 13 strains from A. sieboldiana were isolated by a simple method of suspending the nodule homogenate directly in liquid Qmod medium. Hyphae, sporangia and vesicles which are morphological characteristics of Frankia were observed in the E. macrophylla isolate. However, only hyphae and sporangia were observed in the A, sieboldiana isolates. The E. macrophylla isolate formed nodules on the roots of the host plant, Eleven strains isolated from A. sieboldiana formed nodules on the root of the host plants, but 2 strains did not cause nodulation.
- 社団法人日本土壌肥料学会の論文
著者
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川井 浩史
神戸大学内海域機能教育研究センター
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Sasakawa Hideo
Faculty of Agriculture, Okayama University
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Sasakawa H
Okayama Univ. Okayama Jpn
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Sasakawa Hideo
Faculty Of Agriculture Okayama University
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川井 浩史
神戸大学内海域センター
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Hiyoshi Toru
Japan Tobacco
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KAWAI HIROSHI
Faculty of Agriculture, Okayama University
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TAKAHASHI NORIKATSU
Faculty of Agriculture, Okayama University
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TANIGAWA SIZUKA
Faculty of Agriculture, Okayama University
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Sasakawa Hideo
Faculty Of Agriculture Nagoya University
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Tanigawa Sizuka
Faculty Of Agriculture Okayama University
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Takahashi Norikatsu
Faculty Of Agriculture Okayama University
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