Agrobacterium을 이용한 형질전환 벼 현탁 세포주에서 miraculin 단백질의 생산

To produce the miraculin protein in suspension cultures, rice (Oryza sativa L.) was transformed with Agrobacterium tumefacience EHA105 containing the miraculin AB512278 gene. The cell suspension cultures were established using cell lines selected from transgenic rice callus. The integration of the m...

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Published inJournal of plant biotechnology Vol. 47; no. 3; pp. 227 - 234
Main Author 김희경(Hee Kyoung Kim), 고지윤(Ji Yun Go), 박소영(So-Young Park), 강권규(Kwon Kyoo Kang), 정유진(Yu Jin Jung)
Format Journal Article
LanguageKorean
Published Korean Society for Plant Biotechnology 30.09.2020
(사)한국식물생명공학회
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ISSN1229-2818
2384-1397

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Abstract To produce the miraculin protein in suspension cultures, rice (Oryza sativa L.) was transformed with Agrobacterium tumefacience EHA105 containing the miraculin AB512278 gene. The cell suspension cultures were established using cell lines selected from transgenic rice callus. The integration of the miraculin gene into the rice chromosome was confirmed using genomic PCR analysis. In addition, RT-PCR analysis indicated that the miraculin gene is expressed in the selected suspension cell lines. Thus, the recombinant miraculin was expressed in the transgenic suspension cell line, HK-2. Therefore, we have successfully developed a HK-2 line that produces miraculin. These results demonstrate that transformed cell suspension cultures can be used to produce a taste-modifying protein such as miraculin. 벼(Oryza sativa L.)에서 세포 현탁 배양을 통한 miraculin 단백질의 생산을 위해 miraculin 유전자(AB512278)가 도입된 Agrobacterium tumefacience EHA105를 매개로 벼 캘러스에 형질전환하였다. 현탁배양세포주는 형질전환 캘러스를 이용하여 몇번의 선발과정 및 계대배양을 통해 선발하였고, 게놈 PCR 분석을 통해 miraculin 유전자가 벼 염색체에 안정적으로 도입된 것을 확인하였다. 또한, RT-PCR 분석을 통해 형질전환 세포주에서 도입된 miraculin 유전자가 과발현 되었다. 재조합 miraculin은 형질전환 현탁배양 HK-2 세포주에서 가장 높게 발현되어 total soluble protein (TSP) 대비 2.0%를 보였다. 이러한 결과는 형질전환 현탁세포배양이 miraculin과 같은 미각 수식 단백질의 대량생산 시스템을 구축하는데 이용 가능 할 것으로 사료된다.
AbstractList To produce the miraculin protein in suspension cultures, rice (Oryza sativa L.) was transformed with Agrobacterium tumefacience EHA105 containing the miraculin AB512278 gene. The cell suspension cultures were established using cell lines selected from transgenic rice callus. The integration of the miraculin gene into the rice chromosome was confirmed using genomic PCR analysis. In addition, RT-PCR analysis indicated that the miraculin gene is expressed in the selected suspension cell lines. Thus, the recombinant miraculin was expressed in the transgenic suspension cell line, HK-2. Therefore, we have successfully developed a HK-2 line that produces miraculin. These results demonstrate that transformed cell suspension cultures can be used to produce a taste-modifying protein such as miraculin. 벼(Oryza sativa L.)에서 세포 현탁 배양을 통한 miraculin 단백질의 생산을 위해 miraculin 유전자(AB512278)가 도입된 Agrobacterium tumefacience EHA105를 매개로 벼 캘러스에 형질전환하였다. 현탁배양세포주는 형질전환 캘러스를 이용하여 몇번의 선발과정 및 계대배양을 통해 선발하였고, 게놈 PCR 분석을 통해 miraculin 유전자가 벼 염색체에 안정적으로 도입된 것을 확인하였다. 또한, RT-PCR 분석을 통해 형질전환 세포주에서 도입된 miraculin 유전자가 과발현 되었다. 재조합 miraculin은 형질전환 현탁배양 HK-2 세포주에서 가장 높게 발현되어 total soluble protein (TSP) 대비 2.0%를 보였다. 이러한 결과는 형질전환 현탁세포배양이 miraculin과 같은 미각 수식 단백질의 대량생산 시스템을 구축하는데 이용 가능 할 것으로 사료된다.
Author 김희경(Hee Kyoung Kim), 고지윤(Ji Yun Go), 박소영(So-Young Park), 강권규(Kwon Kyoo Kang), 정유진(Yu Jin Jung)
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Keywords Taste-modifying protein
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TableOfContents 서 언 재료 및 방법 결 과 고 찰 적 요 사 사 References
Title Agrobacterium을 이용한 형질전환 벼 현탁 세포주에서 miraculin 단백질의 생산
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