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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 366 - 375 (10page)
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We identified a loose upper panicle mutant (lup) from a japonica-type rice variety, Hwacheongbyeo, treated by Ethyl Methane Sulfonate (EMS). The lup mutant displayed an increased distance between spikelets particularly in the first primary branches, and the number of spikelet was reduced. In addition, aborted spikelets in the tip of first primary branches were observed. Besides these morphological changes in the panicle, the lup mutant also displayed overall reduction in culm length, panicle length, grain weight, and tiller number. On the contrary, the chlorophyll content was relatively high in lup mutant in comparison to wild-type plants, and displayed a “stay-green” phenotype even after physiological maturity. Genetic analysis (using F2 population of lup/M.23) revealed that a single recessive gene is involved in the above-mentioned morphological changes in the lup mutant. A candidate genomic region was fine-mapped at an interval of 1.04 Mb flanked by two molecular markers, 18170 and D0052, on the long arm of chromosome 8. In this region, we found a total of 348 mutation points using a slightly modified MutMap method. Based on these results, we expect the candidate genomic region containing a putative LUP gene will provide an important clue in developmental regulation of spikelets and panicle in rice.
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참고문헌 (23)
참고문헌 신청
Abe A / 2012 / Genome sequencing reveals agronomically important loci in rice using MutMap / Nat. Biotechnol 30:174~179
Ashikari M / 2005 / Cytokinin oxidase regulates rice grain production / Science 309:741~745
Bai J / 2015 / Rice TUTOU1 Encodes a SCAR-like Protein that Is Important for Actin Organization and Panicle Development / Plant Physiol 169:1179~1191
Cassman KG / 2003 / Meeting cereal demand while protecting natural resources and improving environmental quality / Annu. Rev. Environ. Resour 28:315~358
Chen DH / 1999 / A rapid DNA minipreparation method suitable for AFLP and other PCR applications / Plant Mol. Biol. Rep 17:53~57
Ashikari M / 2005 / Cytokinin oxidase regulates rice grain production / Science 309:741~745
Bai J / 2015 / Rice TUTOU1 Encodes a SCAR-like Protein that Is Important for Actin Organization and Panicle Development / Plant Physiol 169:1179~1191
Cassman KG / 2003 / Meeting cereal demand while protecting natural resources and improving environmental quality / Annu. Rev. Environ. Resour 28:315~358
Chen DH / 1999 / A rapid DNA minipreparation method suitable for AFLP and other PCR applications / Plant Mol. Biol. Rep 17:53~57
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