XU Yike,LI Shuang,KOU Peiwen,et al.Genetic Diversity Analysis and Molecular ID Card Construction of Pinellia ternata Based on Phenotypic Traits and SSR Markers[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(05):134-142.
XU Yike,LI Shuang,KOU Peiwen,et al.Genetic Diversity Analysis and Molecular ID Card Construction of Pinellia ternata Based on Phenotypic Traits and SSR Markers[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(05):134-142. DOI: 10.13422/j.cnki.syfjx.20231812.
Genetic Diversity Analysis and Molecular ID Card Construction of Pinellia ternata Based on Phenotypic Traits and SSR Markers增强出版
To study the genetic diversity and genetic relationship of
Pinellia ternata
germplasm resources and provide the basis for germplasm identification, variety breeding, and resource conservation.
Method
2
In this study, 27
P. ternata
were used as experimental materials to determine seven phenotypic characters, such as plant height, leaf length, and leaf width. Simple sequence repeats (SSR) primers were designed based on
P. ternata
transcriptome data, and polymerase chain reaction (PCR) amplification was performed on 27
P. ternata
samples. The genetic diversity of
P. ternata
germplasm was analyzed by POPGENE32, PowerMarker V3.25, and NTSYS-PC 2.10e software.
Result
2
A total of 10 pairs of highly polymorphic primers (PIC
>
0.5) and four pairs of moderately polymorphic primers (0.25
<
PIC
<
0.5) were selected. The average number of alleles detected was 3.928 6, and the average Nei's diversity index (H) and Shannon's index (I) were 0.557 8 and 1.002 9, respectively, indicating a high level of genetic diversity. Cluster analysis divided the
Pinellia ternata
into seven categories, and
P. ternata
in the same province were in the same categories. The SSR molecular ID cards of 27
P. ternata
germplasm were constructed with 14 pairs of primers, and the rapid identification of
P. ternata
in each region was realized.
Conclusion
2
The results of this study can lay a foundation for the genetic diversity and population structure of
P. ternata
and provide a scientific basis for the identification of
P. ternata
germplasm resources, map construction, and molecular-assisted breeding.
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