北方农业学报 ›› 2021, Vol. 49 ›› Issue (1): 104-110.doi: 10.12190/j.issn.2096-1197.2021.01.15

• 园艺·草业 • 上一篇    下一篇

基于响应面法的蟹味菇原生质体制备与再生条件优化

冯婷婷1, 宋天磊1, 春霞1, 刘超雄1, 李亚娇2, 慕宗杰2, 孙国琴2, 于传宗2, 王海燕2, 郭九峰1   

  1. 1.内蒙古大学 物理科学与技术学院,内蒙古 呼和浩特 010021;
    2.内蒙古自治区农牧业科学院,内蒙古 呼和浩特 010031
  • 收稿日期:2020-11-01 出版日期:2021-02-20 发布日期:2021-03-23
  • 通讯作者: 李亚娇(1990—),女,助理研究员,硕士,主要从事内蒙古食用菌种质资源收集与创新研究工作。
  • 作者简介:冯婷婷(1997—),女,硕士研究生,研究方向为生物物理学。
  • 基金资助:
    内蒙古自治区研究生教育创新计划资助项目(11200-12110201); 内蒙古农牧业科学院青年创新基金(2020QNJJNO3); 内蒙古草原英才滚动支持项目(2019CXJJN09-1)

Optimization of protoplast preparation and regeneration conditions of Hypsizygus marmoreus based on response surface method

FENG Tingting1, SONG Tianlei1, Chunxia1, LIU Chaoxiong1, LI Yajiao2, MU Zongjie2, SUN Guoqin2, YU Chuanzong2, WANG Haiyan2, GUO Jiufeng1   

  1. 1. College of Physical Science and Technology,Inner Mongolia University,Hohhot 010021,China;
    2. Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China
  • Received:2020-11-01 Online:2021-02-20 Published:2021-03-23

摘要: 【目的】 为蟹味菇体细胞诱变、融合、基因编辑等研究提供参考。【方法】 采取单因素试验和响应面法,对影响蟹味菇原生质体的制备及再生条件的主要因素——菌龄、渗透压稳定剂种类、溶壁酶浓度和酶解时间进行筛选与优化。【结果】 单因素试验表明,原生质体最佳制备条件为菌龄7 d,渗透压稳定剂为0.6 mol/L甘露醇,溶壁酶浓度为2%,酶解5 h;最佳再生条件为菌龄6 d,渗透压稳定剂为0.6 mol/L甘露醇,溶壁酶浓度为2%,酶解3 h。响应面法表明,0.6 mol/L甘露醇为渗透压稳定剂时,最佳制备与最佳再生条件为菌龄7 d,溶壁酶浓度为2%,酶解4 h,与模型预测值有良好的拟合性。【结论】 基于响应面法确定的最佳制备条件可获得较高的原生质体产量和再生率。

关键词: 蟹味菇, 原生质体, 产量, 再生率, 单因素试验, 响应面法

Abstract: 【Objective】 To provide reference for the studies on cell mutagenesis,fusion and gene editing of Hypsizygus marmoreus.【Methods】 The single factor test and response surface method were used to screen and optimize the main factors affecting the preparation and regeneration conditions of the protoplasts of Hypsizygus marmoreus—bacterial age,osmotic pressure stabilizer types,lysozyme concentration and enzymolysis time.【Results】 The single factor test results showed that the optimal preparation condition of protoplasts were 7 days of bacterial age,with the concentration of 0.6 mol/L mannitol as osmotic pressure stabilizer,the lysozyme concentration of 2%,enzymolysis for 5 h. The optimal regeneration conditions of protoplasts were 6 days of bacterial age,with the concentration of 0.6 mol/L mannitol as osmotic pressure stabilizer,the lysozyme concentration of 2%,enzymolysis for 3 h. The response surface method showed that when 0.6 mol/L mannitol was used as the osmotic pressure stabilizer,the best preparation and regeneration conditions were 7 days of bacterial age,2% of lysozyme concentration,and 4 h of enzymolysis,which had good fitting with the predicted value of the model.【Conclusion】 Based on the optimal preparation conditions determined by response surface method,higher protoplast yield and regeneration rate could be obtained.

Key words: Hypsizygus marmoreus, Protoplast, Yield, Regeneration rate, Single factor test, Response surface method

中图分类号: 

  • S646