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タイトルアブラナ科植物根こぶ病菌休眠胞子の発芽とCa^<2+>放出の関係
タイトルヨミアブラナ カ ショクブツ ネコブ ビョウキン キュウミン ホウシ ノ ハツガ ト Ca^<2+> ホウシュツ ノ カンケイ
タイトル別表記Relation of Ca^<2+> Efflux to Germination of Resting Spores of Clubroot Fungus
作成者矢野, 彰吾
田中, 秀平
亀谷, 満朗
勝本, 謙
作成者ヨミヤノ, ショウゴ
タナカ, シュウヘイ
カメヤ, ミツロウ
カツモト, ケン
作成者別表記Yano, Shogo
Tanaka, Shuhei
Kameyama-Iwaki, Mitsuro
Katumoto, Ken
作成者所属山口大学農学部
内容記述(抄録等)The interrelation between the release of Ca^<2+> from resting spores and the spore germination of the clubroot fungus (Plasmodiophora brassicae WORONIN) was investigated by the quantitative analysis of Ca^<2+> in spore suspensions and also by inoculation of Chinese cabbage plants in culture solution with spores treated with chelating reagents. Considerably high concentration of Ca^<2+> was detected in the spore suspension prepared with deionized water, and Ca^<2+> concentration in the suspension became higher as the spore density increased in the suspension. This result confirmed that resting spores release Ca^<2+> in the suspension. Treatment of resting spores with EDTA or EGTA increased the amount of Ca^<2+> released from the sproes. Numbers of root-hair infection sites (zoosporangial masses) per plant, however, showed the maximum when resting spores were treated with 10 μMEDTA or 1μMEGTA, and logarithmically decreased when the spores were treated with higher concentration of these reagents. It became clear that EDTA and EGTA had their own concentrations promoting or inhibiting germination of resting spores. These results suggest that the release of an adequate amount of Ca^<2+> from resting spores promotes germination of resting spores.
本文言語jpn
著者キーワードPlasmodiophora brassicae
spore germination
calcium ion
chelating reagent
主題農学
資料タイプtext
出版者山口大学農学部
出版者ヨミヤマグチ ダイガク ノウガクブ
NII資料タイプ紀要論文
ISSN0513-1715
NCIDAN00244250
学内刊行物(紀要等)山口大学農学部学術報告
掲載誌名山口大学農学部学術報告
掲載誌名別表記Bulletin of the Faculty of Agriculture, Yamaguchi University
39
開始ページ105
終了ページ112
発行日1991-12
著者版/出版社版その他
リポジトリIDD490039000007
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/D490039000007