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백진주의 저아밀로스 유전분석 및 분자지도 작성

Genetic Analysis and Molecular Mapping of Low Amylose Gene in Rice Cultivar ‘Baegjinju’ (Oryza sativa L.)

The Korean Journal of Breeding Science 2016;48(3):234-240.
Published online: August 31, 2016

1 농촌진흥청 연구운영과,

1 Research Policy Bureau , RDA, Jeonju 54875, Korea

2 국립식량과학원 남부작물부 논이용작물과

2 Paddy Crop Research Division, NICS, RDA, Miryang 50424, Korea

*Corresponding author (millet@korea.kr, +82-55-350-1159, +82-55-352-3059)
• Received: April 8, 2016   • Accepted: May 9, 2016

© 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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  • Characterization of Yield-Related Traits and Pasting and Texture Properties of Glutinous Rice Cultivars by Cultivation Times in the Honam Plain, Korea
    Jae-Ryoung Park, Jeonghwan Seo, Chang-Min Lee, Songhee Park, Mina Jin, O-Young Jeong, Man-Kee Baek, Hyun-Su Park
    Korean Journal of Breeding Science.2023; 55(1): 9.     CrossRef
  • Breeding of High Cooking and Eating Quality in Rice by Marker-Assisted Backcrossing (MABc) Using KASP Markers
    Me-Sun Kim, Ju-Young Yang, Ju-Kyung Yu, Yi Lee, Yong-Jin Park, Kwon-Kyoo Kang, Yong-Gu Cho
    Plants.2021; 10(4): 804.     CrossRef

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Genetic Analysis and Molecular Mapping of Low Amylose Gene in Rice Cultivar ‘Baegjinju’ (Oryza sativa L.)
Korean. J. Breed. Sci.. 2016;48(3):234-240.   Published online September 30, 2016
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Genetic Analysis and Molecular Mapping of Low Amylose Gene in Rice Cultivar ‘Baegjinju’ (Oryza sativa L.)
Korean. J. Breed. Sci.. 2016;48(3):234-240.   Published online September 30, 2016
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Genetic Analysis and Molecular Mapping of Low Amylose Gene in Rice Cultivar ‘Baegjinju’ (Oryza sativa L.)
Image Image Image
Fig. 1. Endosperm characteristics of parental varieties. (A) Saeilmi (translucent type), (B) Baegjinju (dull type).
Fig. 2. Genotype of linked marker RM6704 on chromosome10 and unlinked marker RM545 on chromosome 3 from pooled DNA sample. SIM; Saeilmi, BJJ; Baegjinju
Fig. 3. High-resolution linkage map of the dull region produced with the F2 population (a). The number of recombinant between the adjacent markers is indicated under the linkage map. Progeny testing of heterozygous recombinant delimited the dull locus to the region between SSR markers RM6704 and RM25676. Grey bars show the homozygous regions for ‘Baegjinju’ alleles; black bars indicate the homozygous regions for ‘Saeilmi’ alleles. Dotted bars represent the heterozygous region. (b) Co-segregation with the phenotype was analyzed by PCR amplification using the SSR marker RM25648 linked to the dull gene of Baegjinju. Saeilmi; SIM, Baegjinju ; BJJ
Genetic Analysis and Molecular Mapping of Low Amylose Gene in Rice Cultivar ‘Baegjinju’ (Oryza sativa L.)

Genetic analysis of endosperm characters in F2 population derived from Saeilmi and Baegjinju.

Materials Generation No. of plants
Sum. Expected ratio X2 P
translucent dull

Saeilmi P1 20 20 -
Baegjinju P2 20 20 -
Saeilmi/Baegjinju F1 15 15 -
F2 145 55 200 3 : 1 0.667 0.414

Linkage analysis of the low amylose gene locus and SSR markers on chromosome 10 in the F2 population derived from a cross between Saeilmi and Baegjinju.

A B Segregation mode
Recombination ratio (%) Physical location (Mb)
AAB_ AAbb AaB_ Aabb aaB_ aabb

RM5392-dull 86 0 144 7 11 43 6.19 16.8
RM25560-dull 89 0 145 2 7 48 3.09 17.2
RM6704-dull 88 0 147 2 6 48 2.75 17.5
RM25648-dull 89 0 152 0 0 50 0.00 18.8
RM5352-dull 81 1 147 17 13 32 10.65 20.8
RM333-dull 84 1 141 20 16 29 12.71 22.3

AA, Aa, aa : genotype of SSR marker (AA: Homozygote allele of Saeilmi, Aa : heterozygote, aa: Homozygote allele of Baegjinju ) B- : phenotype of translucent (BB or Bb), bb : dull genotype (bb)

Table 1. Genetic analysis of endosperm characters in F2 population derived from Saeilmi and Baegjinju.
Table 2. Linkage analysis of the low amylose gene locus and SSR markers on chromosome 10 in the F2 population derived from a cross between Saeilmi and Baegjinju.

AA, Aa, aa : genotype of SSR marker (AA: Homozygote allele of Saeilmi, Aa : heterozygote, aa: Homozygote allele of Baegjinju ) B- : phenotype of translucent (BB or Bb), bb : dull genotype (bb)