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복숭아 NGS 분석에 의한 다형성 SSR 마커 개발과 활용

김정선1,*, 구윤숙1, 박신기2, 김세희3, 박현우1, 원소윤1

Anticipated Polymorphic SSRs and Their Application Based on Next Generation Sequencing of Prunus Persica

Korean Journal of Breeding Science 2021;53(4):350-360.
Published online: December 1, 2021

1농촌진흥청 국립농업과학원 농업생명자원부 유전체과

2테라젠이텍스 연구소 생물정보학팀

3농촌진흥청 국립원예특작과학원 원예작물부 과수과

1Genomics Division, Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, JeonJu 54874, Republic of Korea

2Bioinformatics Team of Theragene Etex Institute, Suwon 16229, Republic of Korea

3Fruit Research Division, National Institute of Horticultural & Herbal Science, Rural Development Administration, Wanju-gun, 55365, Republic of Korea

*Corresponding Author (E-mail: jsnkim@korea.kr, Tel: +82-63-238-4559, Fax: +82-67-238-4552)
• Received: July 21, 2021   • Revised: September 30, 2021   • Accepted: September 30, 2021

Copyright © 2021 by the Korean Society of Breeding Science

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Modern methods in peach (Современные методы в исследованиях генома персика (Prunus persica)) genome research
    I. V. Rozanova, E. A. Vodiasova
    Vavilov Journal of Genetics and Breeding.2025; 29(3): 358.     CrossRef
  • The Molecular Markers Associated with Fruit Development Period in ‘Yumyeong’ Peach Cultivars
    Jung Sun Kim, So Youn Won, Hyun Woo Park, Se Hee Kim
    Korean Journal of Breeding Science.2022; 54(3): 149.     CrossRef

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Anticipated Polymorphic SSRs and Their Application Based on Next Generation Sequencing of Prunus Persica
Korean. J. Breed. Sci.. 2021;53(4):350-360.   Published online December 1, 2021
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Korean. J. Breed. Sci.. 2021;53(4):350-360.   Published online December 1, 2021
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Anticipated Polymorphic SSRs and Their Application Based on Next Generation Sequencing of Prunus Persica
Image Image Image Image
Fig. 1 Results of amplified DNA polymorphism in four cultivars of Prunus persica. M, 1Kb DNA ladder; 1, ‘Kawanakajima Hakuto (KH)’; 2, ‘Mihong (MH)’; 3, ‘Changhowon Hwangdo (CH)’; 4, ‘Yumi (YM)’. These PCR products were amplified by 001 to 024 primer pairs.
Fig. 2 Integrated genetic map constructed with 86 SSRs and unpublished 465 SNP markers of Prunus persica. SSR markers were highlighted with blue color. This genetic map was covered 884.5 cM.
Fig. 3 Results of four cultivars of Prunus persica using polymorphic SSR markers. M, 1 Kb DNA ladder; 1, ‘Kawanakajima Hakuto (KH)’; 2, ‘Mihong (MH)’; 3, ‘Changhowon Hwangdo (CH)’; 4, ‘Yumi (YM)’. These PCR products were amplified by 010, 011, 014, 015, 017, 018, 019, 020, 065, 067, 069, 070, 084, 085, 124, and 138 primer pairs.
Fig. 4 The polymorphic genomic regions between ‘Mihong’ and ‘Yumi’ with the same parentage and early ripening type cultivars.
Anticipated Polymorphic SSRs and Their Application Based on Next Generation Sequencing of Prunus Persica

Classification of the simple repeat sequence types, frequencies and number of primers to two genomes of Prunus persica and Pyrus pyrifolia

Repeat-type Peach (‘Mihong’) Pear (‘Wonwhang’)
Frequencies Primer pairs Frequencies Primer pairs
Di-nucloetide 67,238 16,557 102,797 21,200
Tri-nucloetide 8,446 3,060 11,403 2,695
Tetra-nucloetide 1,567 451 2,991 458
Penta-nucloetide 597 110 454 71
Hexa-nucloetide 241 96 203 41
Hepta-nucloetide 67 20 137 8
Octa-nucloetide 42 15 16 3
Ennea-nucloetide 9 4 0 0
Deca-nucloetide 1 0 2 0
Total 78,208 20,313 118,003 24,476
Assembledgenome size (bp) 241,045,119 516,600,000

Reference (‘Mihong’) mapping results of NGS sequences of three peach cultivars

Cultivars Number of Base (bp) Number of Reads Mapping % to Reference genome Number of Mapped reads
‘Yumi’ 60,034,465,448 594,400,648 97.12% 579,083,849
‘Kawanakajima Hakuto’ 51,175,739,086 506,690,486 96.81% 492,092,032
‘Changhowon Hwangdo’ 60,377,393,778 597,795,978 96.92% 580,984,428

Polymorphic SSR markers obtained by next generation sequencing of three cultivars compared to the reference sequence ‘Mohong’ of Prunus persica

Repeat-type SSR primer pairs Polymorphic SSR primer pairs in four cultivars Selected Polymorphic SSR primer pairs in four cultivars
Di-nucloetide 16,557 2,221 239
Tri-nucloetide 3,060 141 12
Tetra-nucloetide 451 32 1
Penta-nucloetide 110 9 0
Hexa-nucloetide 96 18 4
Hepta-nucloetide 20 4 2
Octa-nucloetide 15 4 2
Ennea-nucloetide 4 1 0
Deca-nucloetide 0 0 0
Total 20,313 2,430 260

PCR survey results on the six cultivars using 260 SSR markers of Prunus persica

PCR analysis in the six cultivars Number of SSR primers Ratio (%)
No amplicon 22 8.46
Monomorphic amplicon 54 20.77
Polymorphic at least in one cultivar 184 70.77
Total 260 100

Integreated genetic map of Prunus persica

#Chr loci SNPs SSRs Genetic length (cM)
Chr1 90 71 19 148.50
Chr2 75 62 13 101.11
Chr3 63 55 8 110.74
Chr4 54 43 11 117.51
Chr5 49 43 6 66.11
Chr6 84 72 12 114.57
Chr7 40 31 9 90.79
Chr8 96 88 8 135.22
total 551 465 86 884.538
Table 1 Classification of the simple repeat sequence types, frequencies and number of primers to two genomes of Prunus persica and Pyrus pyrifolia
Table 2 Reference (‘Mihong’) mapping results of NGS sequences of three peach cultivars
Table 3 Polymorphic SSR markers obtained by next generation sequencing of three cultivars compared to the reference sequence ‘Mohong’ of Prunus persica
Table 4 PCR survey results on the six cultivars using 260 SSR markers of Prunus persica
Table 5 Integreated genetic map of Prunus persica