CHEN Suo,LI Li.Screening of an Edible Mushroom Strain Superior in Biodegradation of Lignin in Rice Straw[J].Northern Horticulture,2020,44(19):123-128.[doi:10.11937/bfyy.20200206]
一株高效降解稻草木质素食用菌菌株的筛选
- Title:
- Screening of an Edible Mushroom Strain Superior in Biodegradation of Lignin in Rice Straw
- Keywords:
- edible mushroom; lignin; rice straw; degradation
- 文献标志码:
- A
- 摘要:
- 以在我国广泛栽培的17株平菇、2株姬菇和1株杏鲍菇为试材，分析其产生漆酶和木质素过氧化物酶的能力，并比较了其在稻草基质中的生长速度，以期对稻草的综合利用及食用菌的栽培提供参考依据。结果表明：4株平菇菌株的产酶能力和生长速度均优于其它菌株，分别为“侧5”“2106”“华泰”“01号”。进一步利用这4株平菇菌株进行了稻草降解试验，结果发现4株菌株从第10天开始降解稻草中的木质素，第30天时4株菌株对稻草木质素的降解率均超过18.0%，其中平菇“侧5”的木质素降解率最高，达到了36.4%。以上结果显示，平菇“侧5”是1株高效降解稻草木质素的食用菌菌株。
- Abstract:
- In order to screen edible mushroom strains superior in biodegradation of lignin in rice straw，the Lac and LiP activities，as well as the growth rate on rice straw of 17 strains of Pleurotus ostreatus，two strains of Hypsizygus marmoreus and one strain of Pleurotus eryngii were investigated.The results showed that four P.ostreatus strains，‘Ce5’‘Huatai’‘No.2106’‘No.01’ were found producing more Lac and LiP and growing faster on rice straw.Then the four strains were used to degrade lignin in rice straw.The lignin degradation occurred after the 10 days of cultivation.On the 30th day，the percentages of lignin degraded by these 4 strains were more than 18.0%，and the highest was that of P.ostreatus ‘Ce5’，which reached to 36.4%.The above results showed that P.ostreatus ‘Ce5’ was a highly effective edible mushroom strain in straw lignin degradation.These results would contribute towards the comprehensive utilization of straw residual and the cultivation of edible mushroom.
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备注/Memo
第一作者简介：陈莎(1979-)，男，硕士，实验师，现主要从事微生物代谢产物等研究工作。E-mail:chensuo9803@126.com.责任作者：李利（1983-），女，博士，副教授，硕士生导师，现主要从事食品微生物学教学及真菌次生代谢调控等研究工作。E-mail:lily2012@yangtzeu.edu.cn.基金项目：国家自然科学基金资助项目(31730068)；湖北省科技计划资助项目(2019AHB067)。收稿日期：2020-01-14