Anoxia and anaerobic respiration are involved in "spawn-burning" syndrome for edible mushroom Pleurotus eryngii grown at high temperatures
文献类型: 外文期刊
第一作者: Zhang, Rui Ying
作者: Zhang, Rui Ying;Zhang, Yong Yue;Huang, Chen Yang;Chen, Qiang;Gao, Wei;Wu, Xiang Li;Zou, Ya Jie;Qu, Ji Bin;Zhang, Jin Xia;Zhang, Rui Ying;Zhang, Yong Yue;Huang, Chen Yang;Chen, Qiang;Gao, Wei;Wu, Xiang Li;Zou, Ya Jie;Qu, Ji Bin;Zhang, Jin Xia;Hu, Dan Dan;Goodwin, Paul H.
作者机构:
关键词: Edible mushroom;Pleurotus eryngii;Spawn-burning;Anoxia;Aerobic respiration;Anaerobic respiration
期刊名称:SCIENTIA HORTICULTURAE ( 影响因子:3.463; 五年影响因子:3.672 )
ISSN:
年卷期:
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收录情况: SCI
摘要: "Spawn-burning" syndrome has become one of the most serious problem for edible mushroom cultivation in mushroom bags at high growth temperatures in China. The symptoms of spawn-burning are that the mushroom mycelia ceases growth, dies, and becomes contaminated with mould and bacteria. This article used Pleurotus eryngii as material to study the cause of spawn-burning syndrome. Spawn burning of P. eryngii occurred at 34 degrees C, which was far lower than maximum growth temperature of 38 degrees C or the lethal temperature of 41 degrees C. Aerobic respiration increased at high growth temperature. At 34 degrees C, there was increased oxygen consumption by aerobic respiration and decreased dissolved oxygen content in the mushroom bags resulting in anoxia. Anaerobic respiration increased with higher anaerobic respiratory enzyme activities for alcohol dehydrogenase (ADH), pyruvate decarboxylase (PDC), and lactate dehydrogenase (LDH), increased. The anaerobic respiration metabolites of ethanol, acetaldehyde and lactate accumulated, which have an inhibitory effect on mushroom mycelia growth. In conclusion, inadequate oxygen supply in the bags to the mycelia was correlated to spawn-burning at high growth temperature. On this basis, methods to increase oxygen supply for mushroom bags will need to be developed to control spawn-burning for edible mushroom production. (C) 2015 Elsevier B.V. All rights reserved.
分类号: S6
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