Feofilova E P, Tereshina V M, Khokhlova N S, Memorskaia A S
Institute of Microbiology, Russian Academy of Sciences, pr. 60-letiya Oktyabrya 7, k. 2, Moscow, 117811 Russia.
Mikrobiologiia. 2000 Sep-Oct;69(5):606-11.
The effect of temperature stress on the cytosol carbohydrate composition of fungi belonging to various systematic groups was investigated. In Mucorales representatives (subkingdom Eomycota, phylum Archemycota, class Zygomycetes), adaptation to hypo- and hyperthermia occurs via the regulation of trehalose synthesis, although inositol is also involved in these processes in Blakeslea trispora. Basidiomycota (subkingdom Neomycota) use two pathways of biochemical adaptation, depending on the cytosol carbohydrate composition. In the absence of sucrose, glycerol and arabitol are involved in the adaptation to hyperthermia; trehalose accumulates under hypothermic conditions (type I of regulation). Type II regulation (revealed in Pleurotus ostreatus) involves sucrose rather than glycerol or arabitol. The data obtained are discussed in terms of fungal systematics and phylogeny.
研究了温度胁迫对不同分类群真菌胞质碳水化合物组成的影响。在毛霉目代表种（真菌亚界壶菌亚界、古真菌门、接合菌纲）中，尽管在三孢布拉氏霉中肌醇也参与这些过程，但对低温和高温的适应是通过海藻糖合成的调节来实现的。担子菌门（新真菌亚界）根据胞质碳水化合物组成使用两种生化适应途径。在没有蔗糖的情况下，甘油和阿拉伯糖醇参与对高温的适应；在低温条件下海藻糖积累（调节类型I）。调节类型II（在糙皮侧耳中发现）涉及蔗糖而非甘油或阿拉伯糖醇。根据真菌分类学和系统发育对所得数据进行了讨论。
