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The study of early screening technique for fruiting ability of Lentinula edodes hybrid progenies

文献类型： 外文期刊

作者： Li, Yu 1 ; Yu, Hailong 1 ; Li, Liangmin 2 ; Song, Chunyan 1 ; Shang, Xiaodong 1 ; Tan, Qi 1 ; Zhang, Lujun 1 ; Li, Qiaozhen 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Edible Fungi, Shanghai Key Lab Agr Genet & Breeding, 1000 Jinqi Rd, Shanghai 201403, Peoples R China

2.Shanghai Ocean Univ, Coll Food Sci & Technol, 999 Hucheng Ring Rd, Pudong New Area, Shanghai 201200, Peoples R China

3.Shanghai Acad Agr Sci, 1000 Jinqi Rd, Shanghai 201403, Peoples R China

关键词： crossbreeding populations; detection method; high -throughput; laccase activity; screening threshold

期刊名称：MYCOSCIENCE （ 影响因子：1.4； 五年影响因子：1.3 ）

ISSN： 1340-3540

年卷期： 2022 年 63 卷 5 期

页码：

收录情况： SCI

摘要： Crossbreeding is the most commonly used method in breeding of Lentinula edodes, however low fruiting rate of the hybrids has always caused troubles and barriers for breeders. An early screening method of the fruiting ability could make the breeding work more efficient. In this paper, a rapid and high-throughput laccase activity detection method based on agar diffusion principle was developed. In this way, we investigated the constitutive and inducible extracellular laccase activity of 36 strains in a breeding population of L. edodes on different media and performed a correlation analysis with fruiting ability of these strains. The results showed the laccase activity of mycelium cultured in non-induced medium for 8 d could be used as an early screening index to judge whether it had fruiting ability at the later stage. Early rapid and simple screening method for hybrid populations was established based on laccase activity characteristics of mycelia. 127 strains from another 5 different hybrid populations were used to verify the early screening method. From the validation results, the early screening method was effective, but the appropriate screening threshold was needed to select according to the cross population, which would greatly to improve the breeding efficiency of L. edodes.

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