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형질전환 베타카로틴 강화 콩 계통 선발 및 도입유전자 특성 분석

Selection of β-carotene Enhanced Transgenic Soybean Containing Single-copy Transgene and Analysis of Integration Sites

Korean Journal of Breeding Science 2015;47(2):111-117.
Published online: May 31, 2015

1 농촌진흥청 국립농업과학원

1 National Academy of Agricultural Science, Rural Development Administration (RDA), Jeonju, 560-500, Korea

2 국립식량과학원

2 National Institute of Crop Science, RDA, Suwon, 441-707, Korea

3 동아대학교 유전공학과

3 Department of Genetic Engineering, Dong-A University, Busan, Korea

4 경희대학교 유전공학과

4 Department of Genetic Engineering, KyungHee University, Yongin, 446-701, Korea

5 경북대학교 응용생명과학부

5 School of Applied Biosciences, Kyungpook National University, Daegu, 702-701, Korea

*Corresponding author (woo001@korea.kr, Tel: +82-63-238-4706, Fax: +82-63-238-4704)
• Received: April 27, 2015   • Revised: April 28, 2015   • Accepted: May 12, 2015

© Korean Society of Breeding Science All rights reserved

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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Selection of β-carotene Enhanced Transgenic Soybean Containing Single-copy Transgene and Analysis of Integration Sites
Korean. J. Breed. Sci.. 2015;47(2):111-117.   Published online June 30, 2015
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Selection of β-carotene Enhanced Transgenic Soybean Containing Single-copy Transgene and Analysis of Integration Sites
Korean. J. Breed. Sci.. 2015;47(2):111-117.   Published online June 30, 2015
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Selection of β-carotene Enhanced Transgenic Soybean Containing Single-copy Transgene and Analysis of Integration Sites
Image Image Image Image Image Image
Fig. 1. Schematic diagram of the T-DNA region of binary vector used in the soybean transformation. LB and RB, left and right borders for Agrobacterium-mediated transformation, respectively; Bar, the DL-phosphinothricin resistance gene driven by the nopaline synthase (nos) promoter and nos terminator; 5´-β, a soybean seed specific β-conglycinin promoter; PAC, a recombinant Psy-2A-Tp-CrtI gene; T35S, a cauliflower mosaic virus 35S terminator. The probe used for Southern blot analysis was marked by black line.
Fig. 2. Southern blot analysis for copy number confirmation of transgenic soybean lines. M, DIG-labeled molecular marker; lanes 1-29, transgenic soybean lines; Asterisked lines represent selected transgenic soybean lines for further assay.
Fig. 3. Identification of the T-DNA in transgenic soybean plants. (a) PCR analysis of transgenic soybean plant lines for identification of T-DNA. (b) RT-PCR analysis of PAC from leaves of transgenic soybean plant lines. The soybean lectin (Lec) gene was used for normalization. (c) immunostrip tests to detect bar protein expressed in transgenic soybean lines. M, molecular marker; W, nontransformed wild-type Kwangan; P, positive control; Lanes 1-4 indicate transgenic soybean line 7-1-1-1, 9-1-2, 10-19-1, and 10-10-1, respectively.
Fig. 4. Photographs of transgenic plants growing in a greenhouse and transgenic soybean seeds.
Fig. 5. The PCR products to left (a) and right (b) border region of T-DNA for flanking sequence analysis. M, molecular marker; W, non-transformed wild-type Kwangan; Lanes 1-4 indicate transgenic soybean line 7-1-1-1, 9-1-2, 10-19-1, and 10-10-1, respectively.
Fig. 6. Diagram of T-DNA structure of transgenic soybean lines. The dotted box represent deleted region of T-DNA.
Selection of β-carotene Enhanced Transgenic Soybean Containing Single-copy Transgene and Analysis of Integration Sites

Sequences of primers used in this study.

Name Primer sequence (5′–3′) Specificity

Psy-for ATTACTCCGGCGGCCTTAGA Psy
Psy-rev TCGGATAGACCTGCCTGTGC
Pac-for-1 ATGTCTGTTGCCTTGTTATGG PAC (Psy-2A-CrtI)
Pac-rev-4 CAAATCAGATCCTCCAGCAT
Lectin F CTTGGTCGCGCCCTCTACTC Lec
Lectin R AAGGCAAGCCCATCTGCAAG
Ada1 GCGTAATACGACTCACTATAGCAATTAACC Adaptor
Ada2 GACTCACTATAGCAATTAAC
LB1 CGGCTATTGGTAATAGGACACTGG LB region
LB2 CTGCTGAAGTCCCTGGAGGC
RB1 CTGATACCAGACGTTGCCCGCATAA RB region
RB2 CCTGGCTTACGGAGTCAGCT
7-1-1-1-F CAGATCATGGCCAGAACACGAGG Flanking region of 7-1-1-1
7-1-1-1-R AGTCACGCACTGATGCACACTAG
9-1-2-F TGGCCAAGAGGTTTAGCGTCCT Flanking region of 9-1-2
9-1-2-R GGGCGAGAGTTTATATTGCCATT
10-19-1-F AGTCTGGGAAGCGAAAGCTTGG Flanking region of 10-19-1
10-19-1-R GATGTGGTTTCATCCATTGCTAGCTG
10-10-1-F ACAAACACGGATTGGTCCAAG Flanking region of 10-10-1
10-10-1-R TAGCGTGCCACATGGAAGAGCGAAA

Analysis of integration site of T-DNA in the genome of β-carotene enhanced transgenic soybean plant lines.

Line Chr. Insertion site Insertion type Adjacent Genes Generations

7-1-1-1 14 10873131−10872988 Intergenic Glyma14g12130.1 (9.469kb upstream) T6
9-1-2 11 1680448−1680251 Intergenic Glyma11g02560.1 (0.993kb upstream) T5
10-19-1 13 23919415−23919574 Exon Glyma13g20460.1 T5
10-10-1 13 23918985−23919456 Intergenic Glyma13g20460.1 (0.237kb upstream) T5
Table 1. Sequences of primers used in this study.
Table 2. Analysis of integration site of T-DNA in the genome of β-carotene enhanced transgenic soybean plant lines.