A genus of fungi in the subphylum Flagellate, class Oomycetes, order Sphaerothecales. It lives a saprophytic life in water, with its hyphae having prominent constrictions and dividing into segments at intervals, hence the name. These segments become zoosporangia, and when they mature, zoospores swim out of the release hole. Sexual reproduction is not known. It is also known as sewage fungus, as it generally grows in the form of wattles in rivers that are drained with organic matter, such as sewage and industrial wastewater. The fungus can be baited by dropping hemp seeds into the water. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
鞭毛菌亜門,卵菌綱,フシミズカビ目に含まれる1属の菌類。水中で腐生生活をし,菌糸には目だったくびれがあり,間隔をおいて節(ふし)に分かれるところからこの名がある。この分節がそのまま遊走子囊となり,成熟すると遊走子が放出孔から泳ぎ出す。有性生殖は知られていない。一般に有機物の多い下水,工業廃水の流れこんだ河川に水わた状に発生するので,汚水菌sewage fungusとも呼ばれる。水中にアサの実を投じて釣菌することができる。
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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