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콩 소청2호의 균주 특이적 역병 저항성 유전자좌

장영은1, 장익현1, 강인정2, 김지민3, 강성택3, 이성우1,*

Two Isolate-specific Resistance Loci for Phytophthora sojae in the Soybean Socheong2

Korean Journal of Breeding Science 2020;52(4):398-407.
Published online: December 1, 2020

1충남대학교 식물자원학과

2국립식량과학원 중부작물부 재배환경과

3단국대학교 식물생명공학과

1Department of Crop Science, Chungnam National University, Daejeon, 34134, Republic of Korea

2Division of Crop Cultivation and Environment Research, Department of Central Area Crop Science, National Institute of Crop Science, Suwon, Gyeonggi-do, 16613, Republic of Korea

3Department of Crop Science and Biotechnology, Dankook University, Cheonan, Chungnam, 31116, Republic of Korea

*Corresponding Author (E-mail: sungwoolee@cnu.ac.kr, Tel: +82-42-821-5727, Fax: +82-42-822-2631)
• Received: October 5, 2020   • Revised: October 5, 2020   • Accepted: October 12, 2020

Copyright © 2020 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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  • Genetic Dissection of Resistance to Pseudomonas amygdali pv. tabaci in Soybean [Glycine max (L.) Merr.] by Linkage Analysis
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    The Plant Pathology Journal.2026; 42(2): 207.     CrossRef
  • Pathotypes and Simple Sequence Repeat (SSR)-Based Genetic Diversity of Phytophthora sojae Isolates in the Republic of Korea
    Ngoc Ha Luong, In-Jeong Kang, Hee Jin You, Sungwoo Lee
    Microorganisms.2025; 13(3): 478.     CrossRef
  • Identification and genetic analysis of candidate genes for resistance against Phytophthora sojae in soybean using a genome-wide association study
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    Frontiers in Plant Science.2025;[Epub]     CrossRef
  • Identification of New Isolates of Phytophthora sojae and Selection of Resistant Soybean Genotypes
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    The Plant Pathology Journal.2024; 40(3): 329.     CrossRef
  • Genetic dissection of resistance to Phytophthora sojae using genome-wide association and linkage analysis in soybean [Glycine max (L.) Merr.]
    Hee Jin You, Ik Hyun Jang, Jung-Kyung Moon, In-Jeong Kang, Ji-Min Kim, Sungtaeg Kang, Sungwoo Lee
    Theoretical and Applied Genetics.2024;[Epub]     CrossRef
  • Transcriptome Comparison between Resistant and Susceptible Soybean Cultivars in Response to Inoculation of Phytophthora sojae
    Sangrea Shim, In-Jeong Kang, Hee Jin You, Hangil Kim, Sungwoo Lee
    The Plant Pathology Journal.2024; 40(6): 641.     CrossRef
  • Soybean Variety Saedanbaek Confers a New Resistance Allele to Phytophthora sojae
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    Plants.2023; 12(23): 3957.     CrossRef

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Two Isolate-specific Resistance Loci for Phytophthora sojae in the Soybean Socheong2
Korean. J. Breed. Sci.. 2020;52(4):398-407.   Published online December 1, 2020
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Two Isolate-specific Resistance Loci for Phytophthora sojae in the Soybean Socheong2
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Two Isolate-specific Resistance Loci for Phytophthora sojae in the Soybean Socheong2
Image Image
Fig. 1 Reactions of Socheong2 (left) and Daepung (right) following inoculation with P. sojae isolates 40412 (A) and 2457 (B).
Fig. 2 Graphical presentation of genomic regions associated with resistance to the respective of P. sojae isolates 40412 (A) and 2457 (B) in the Daepung×Socheong2 RIL population. The genetic map is presented with a plot of logarithm of odds (LOD) score from linkage analysis with quantitative scales. Hatched lines on the LOD plots indicate the LOD threshold. The 1- and 2-LOD intervals are displayed as black bars and solid lines, respectively.
Two Isolate-specific Resistance Loci for Phytophthora sojae in the Soybean Socheong2

Information of the genetic map of Daepung×Socheong2 population.

Chrz Genetic length
(a) (cM)
Number of
markers integrated
Number of
unique loci (b)y
Avg.
interval
(a/b) (cM)x
1 100.00 789 96 1.04
2 138.24 363 76 1.82
3 110.95 447 85 1.31
4 130.76 455 104 1.26
5 102.60 235 45 2.28
6 131.70 790 147 0.90
7 148.58 358 65 2.29
8 122.74 844 138 0.89
9 164.11 463 98 1.67
10 116.52 436 102 1.14
11 136.62 471 113 1.21
12 71.20 191 44 1.62
13 157.20 851 149 1.06
14 98.47 459 80 1.23
15 114.22 658 102 1.12
16 91.21 524 83 1.10
17 118.62 596 78 1.52
18 100.04 375 91 1.10
19 86.91 501 83 1.05
20 103.58 671 123 0.84

Goodness-of-fit test for segregation ratio of reactions of the 75 and 65 recombinant inbred lines (RILs) in the Daepung×Socheong2 population following inoculation with the respective P. sojae isolates 40412 and 2457.

Isolates Parents and
RIL population
Numbersz Goodness-of-fity

Observed Expected


R S R S χ2 p
40412 Daepung 12
Socheong2 12
RIL population 20 55 37.5 37.5 15.4 0.00008

2457 Daepung 12
Socheong2 12
RIL population 23 42 32.5 32.5 4.98 0.025

Single nucleotide polymorphism (SNP) markers significantly associated with resistance to the respective P. sojae isolates 40412 and 2457.

Chrz Position
(bp)y
SNP IDx Daepung
allele
Socheong2
allele
Isolate 40412 Isolate 2457


p-valuew R2v p-value R2
3 37,333,127 AX-90503578 GG AA 2.59E-04 0.17 0.46ns 0.01
3 37,334,818 AX-90519491 TT GG 3.29E-04 0.16 0.47ns 0.01
3 37,335,337 AX-90450060 GG TT 1.61E-04 0.18 0.41ns 0.01
3 37,344,323 AX-90342280 TT CC 5.08E-04 0.15 0.47ns 0.01
3 37,363,386 AX-90474027 CC TT 9.09E-04 0.14 0.50ns 0.01
3 37,368,009 AX-90388967 AA GG 2.59E-04 0.17 0.47ns 0.01
3 37,368,208 AX-90494336 CC AA 9.09E-04 0.14 0.38ns 0.01
3 37,370,680 AX-90446372 TT CC 9.09E-04 0.14 0.31ns 0.02
3 37,439,152 AX-90495209 AA CC 7.34E-04 0.15 0.61ns 0.00
3 37,444,515 AX-90509464 TT CC 5.08E-04 0.15 0.36ns 0.01
3 37,459,809 AX-90519469 TT GG 3.29E-04 0.16 0.47ns 0.01
3 37,467,706 AX-90356936 CC AA 2.59E-04 0.17 0.47ns 0.01
3 37,469,105 AX-90453921 CC TT 3.29E-04 0.16 0.38ns 0.01

18 2,171,155 AX-90398103 TT AA 0.26ns 0.02 4.9E-05 0.23
18 2,230,149 AX-90414070 AA GG 0.26ns 0.02 4.9E-05 0.23
18 2,596,324 AX-90476798 GG AA 0.29ns 0.02 1.4E-05 0.26
18 2,600,739 AX-90392402 AA GG 0.29ns 0.02 1.4E-05 0.26
18 2,601,706 AX-90340260 CC TT 0.29ns 0.02 1.4E-05 0.26
18 2,623,988 AX-90380020 CC TT 0.29ns 0.02 1.4E-05 0.26
18 2,628,360 AX-90523863 TT GG 0.36ns 0.01 4.4E-05 0.23
18 2,678,291 AX-90465601 CC TT 0.36ns 0.01 4.4E-05 0.23
18 2,679,563 AX-90470626 TT CC 0.36ns 0.01 4.4E-05 0.23
18 2,692,919 AX-90321765 GG AA 0.36ns 0.01 4.4E-05 0.23

Three genomic regions conferring resistance to the respective of P. sojae isolates 40412 and 2457 identified in the Daepung×Socheong2 population.

Isolate Chrz Physical
position 1y
Physical
position 2y
Flanking
marker 1
Flanking
marker 2
LODx PV
(%)w
Additive effectv
40412 3 36,200,178 37,335,337 AX-90519747 AX-90450060 3.5 18.6 25.0
2457 18 2,171,155 2,623,988 AX-90398103 AX-90380020 4.6 26.5 23.6
18 53,164,051 53,329,388 AX-90459925 AX-90347283 2.6 14.7 17.5
Table 1 Information of the genetic map of Daepung×Socheong2 population.

zChromosome

yActual number of loci where markers are actually positioned in the genetic map

xAverage interval between unique loci.

Table 2 Goodness-of-fit test for segregation ratio of reactions of the 75 and 65 recombinant inbred lines (RILs) in the Daepung×Socheong2 population following inoculation with the respective P. sojae isolates 40412 and 2457.

zR, resistance; S, susceptibility.

yYates’s correction (Yates 1934) for continuity is used to adjust the formula for Pearson’s chi-square test.

Table 3 Single nucleotide polymorphism (SNP) markers significantly associated with resistance to the respective P. sojae isolates 40412 and 2457.

zChromosome

yPhysical positions are based on the soybean genome Glyma2 (http://soybase.org)

xMarkers significantly associated with the resistance to P. sojae via linkage analysis are indicated in bold.

wThe letter “ns” following numbers denotes statistical insignificance.

vPhenotypic variance explained by the marker.

Table 4 Three genomic regions conferring resistance to the respective of P. sojae isolates 40412 and 2457 identified in the Daepung×Socheong2 population.

zChromosome.

yPhysical position (bp) based on the genome version Glyma2 (http://soybase.org).

xLogarithm of odds (LOD). A LOD threshold was determined by a 1,000-permutation test at α=0.05, which is 2.51 and 2.19 for isolate 40412 and 2457, respectively.

wPhenotypic variance explained by the locus.

vAdditive effect. The positive value indicates that Socheong2 provides the resistance allele.