Spiroplasma

Japanese: spiroplasma
Spiroplasma

...At first, the leaves turn yellow and the core stops growing, dormant buds grow and thin stems and leaves grow densely, and petals and pistils often turn into phyllodes. The causative agent of citrus stubborn disease and corn stunt disease has the same basic structure as mycoplasma-like microorganisms, but has the characteristic of becoming motile spiral particles during the growth phase and is easy to cultivate, and has been named spiroplasma as a new microorganism. Mycoplasma-like microorganisms and spiroplasma are sensitive to tetracycline antibiotics, but because it is difficult to penetrate the phloem of the whole body with the drug, the treatment effect is temporary and recurrence is common. ...

*Some of the terminology that mentions "spiroplasma" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…初め葉の黄化,芯止りがみられ,休眠芽が伸長して細い茎葉が密生するてんぐ巣になり,また花弁やめしべが葉化するものも少なくない。かんきつのスタボンstubborn病やトウモロコシのスタントstunt病の病原は,基本構造はマイコプラズマ様微生物と同じであるが,増殖期に運動性のらせん状粒子となる特徴があり,培養も容易で,新しい微生物としてスピロプラズマspiroplasmaと命名された。マイコプラズマ様微生物とスピロプラズマは,テトラサイクリン系抗生物質に感受性であるが,薬を全身の師部に浸透させることが困難なため,治療効果は一時的で再発する例が多い。…

※「spiroplasma」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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