一种冬荪ISSR分子标记引物组、反应体系及其在种群遗传多样性中的应用

By using ISSR molecular marker primer sets and reaction systems for *Fructus medica*, the technical gap in the analysis of genetic diversity of *Fructus medica* populations has been filled, enabling rapid and stable identification of population genetic diversity and analysis of kinship, thus filling the gaps in existing technologies.

CN117247936BActive Publication Date: 2026-07-17GUIZHOU CROP VARIETIES RESOURCE INST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUIZHOU CROP VARIETIES RESOURCE INST
Filing Date
2022-06-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Currently, no methods for using ISSR molecular marker technology for germplasm resource identification and genetic diversity analysis in winter fungus have been reported, and existing technologies are difficult to effectively apply to the population genetic diversity analysis of winter fungus.

Method used

We provide ISSR molecular marker primer sets and reaction systems for *Dictyophora indica*, including primer sets with specific nucleotide sequences and optimized PCR reaction conditions. Through ISSR-PCR amplification, electrophoretic separation, and cluster analysis, we construct molecular phylogenetic trees and calculate genetic diversity parameters.

Benefits of technology

It enables rapid and stable identification of the genetic diversity of *Fructus Epimedii* populations, reveals the kinship among germplasm resources, improves identification efficiency and reliability, and is low in cost and simple to operate.

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Abstract

本发明提供了一种冬荪ISSR分子标记引物组、反应体系及其在种群遗传多样性中的应用,属于分子生物学技术领域。本发明提供的用于冬荪遗传多样性分析的ISSR分子标记引物组的核苷酸序列如SEQIDNO.1‑SEQIDNO.24所示,本发明提供的用于冬荪遗传多样性分析的ISSR‑PCR反应体系,每25ul中含有模板DNA1ul,上述引物1ul,2×TaqPCRStarMixwithLoadingDye12.5ul,ddH2O10.5ul。本发明ISSR分子标记引物组和反应体系在冬荪中PCR扩增反应稳定,扩增片段清晰,多态性高。采用本发明引物组和反应体系能够加快冬荪资源的鉴定速度,结果稳定可靠。
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