... refers to bacteria that invade the roots of legumes and other plants, forming nodules with knob-like structures, and fix nitrogen in symbiosis with the host. The genus Rhizobium , which lives symbiotically with legumes, is limited to a certain range of legumes depending on the species, and is divided into eight groups based on the affinity to the host: alfalfa, clover, pea, kidney bean, lupin, soybean, cowpea, and milk vetch. There is still no satisfactory explanation as to why certain root nodule bacteria invade and form nodules only in certain plants. ... *Some of the terminology that mentions "root nodule bacteria" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…マメ科植物などの根に侵入してこぶ状の構造の根粒を作り,宿主と共生して窒素固定を行う細菌をいう。根粒菌のうちマメ科に共生するRhizobium属は種によって,それが共生するマメ科植物の範囲が限定され,宿主に対する親和関係で,アルファルファ,クローバー,エンドウ,インゲン,ルーピン,ダイズ,カウピー,レンゲの8群に分かれている。特定の根粒菌が特定の植物のみに侵入して根粒を作るのかまだ満足のいく説明はない。… ※「root nodule bacteria」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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