분자육종기법에 의해 선발된 형질전환 벼 계통의 작물학적 특성

• 영문명: Characteristics of Agronomy Traits to Transgenic Rice Selected by MolecularBreeding Method
• 발행기관: 한국자원식물학회
• 저자명: 이현숙(Hyun-Suk Lee) 강현구(Hyun Goo Kang) 박영희(Young-Hie Park) 정희영(Hee-Young Jung) 김창길(Chang-Kil Kim) 한증술(Jeung-Sul Han) 손재근(Jae-Keun Sohn) 김경민(Kyung-Min Kim) 박규환(Gyu Hwan Park)
• 간행물 정보: 『한국자원식물학회지』제21권 제5호, 388~394쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2008.10.31

영문 초록

This study was carried out to develop new cultivars using the T5 generation of transformed rice by PCR analysis with DNA marker in each generation (from T3 to T5). In the previous study, we successfully developed the transgenic rice plants over-expressing the Arabidopsis H+/Ca2+ antiporter CAX 1 (accession no. U57411) gene. The calcium concentration in brown rice of transgenic plants was higher than that of donor plants, Iipum, and was selected 3 lines out of 25 lines at cultured GMO field. The major agronomic traits such as culm length, panicle length and panicle number of 3 lines at transgenic plants (T5) were similar to wild type. Also these lines appeared to have disease resistance to rice blast, cold resistance as compared with donor types. The grain shape was similar to donor plant, however, the 1000 grain weight of brown rice was different from transgenic plants. These finding would be used for basic data of new variety registration.

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재료 및 방법

결과 및 고찰

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키워드

Rice Molecular breeding CAX 1 Disease resistance