…In the latter case, the hyphae are always in a single row of cells, and there is a hole in the center of the septum that connects the adjacent cells, through which materials are transferred. In hyphal fungi, a hyphae with one nucleus in each cell (primary hyphae) joins with a hyphae of the opposite sex, but the two nuclei from both hyphae do not fuse immediately and divide independently, so that a hyphae with two nuclei (secondary hyphae) develops, and this secondary hyphae forms a fruiting body (a.k.a. a mushroom). The main components of the cell walls of hyphae are generally chitin or hemicellulose, or both. … *Some of the terminology explanations that mention "primary hyphae" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…後者の場合,菌糸は常に1細胞列で,隔壁の中央に穴があって両隣の細胞は連絡し,その穴を通して物質の移動が行われる。担糸菌類では,各細胞に1個の核をもつ菌糸(一次菌糸)が異性の菌糸と接合するが,双方の菌糸に由来する2個の核はすぐには融合せず,それぞれが独立に分裂するため,2核をもつ菌糸(二次菌糸)が発達し,この二次菌糸が子実体(いわゆるキノコ)を形成する。菌糸の細胞壁の主成分は一般にキチンまたはヘミセルロース,あるいはその両者である。… ※「一次菌糸」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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