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| 一、大豆種子成熟蛋白的相關研究 |
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選殖、定序41個大豆種子成熟蛋白GmPM cDNA clones,並製備十二個大豆種子成熟蛋白之抗體。利用這些工具、以sense/antisense轉殖的方式研究數個大豆種子成熟蛋白GmPM fusion proteins的生理特性與生物功能,並提出假說,認為種子成熟蛋白的功能可能包括了1. desiccations protectants, 2. legend binding, 3. reservoir immobilization。此外、並以Arabidopsis ABA-related seed mutants為材料,了解各個GmPM homolog在突變株的表現。 |
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進行有關由台灣所採集之多年生長莢與短莢野生大豆(Glycine dolichocarpa and G. tomentella)與一年生栽培(G. max)與野生大豆(G. soja)之相關研究,如phylogentic and cytogenetics study以及GmPM蛋白表現與野生大豆耐旱耐鹽特性之相關。 |
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探討莢內發芽(vivaparious)大豆的生理機制,得知此性狀並非可遺傳的,此外並分析此類種子的切片構造、水勢(water potential)與內生賀爾蒙含量。得知由於內生乙烯含量的增加、造成大豆種子莢內未成熟發芽。 |
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| 二、高梁種實澱粉合成的相關研究 |
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選殖、定序高梁種子的soluble starch synthase, branching enzyme與debranching enzyme,並製備抗體。並研究先前所誘導出的高梁EMS-induced wx mutants,找出突變點為第412個氨基酸由變Gly為Asp時、GBSS的蛋白量仍正常、亦能正確的導向澱粉粒、但是並沒有酵素活性。可知此區段對酵素活性/構造的重要性。 |
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| 三、水稻基因組的相關研究 |
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進行水稻第五條色體的基因組定序、解讀、註冊與進一步的生物資訊分析。至今已有16 Mb的序列註冊,我們並經過data mining的方式、找到了許多新的水稻基因組中的retrotransposon。 |
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進行發育中稻穗的EST分析以及早期與中期水稻種子的SAGE分析。 |
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剔除突變體是各種生物之功能基因組研究的重點之一,我們參與水稻剔除突變體計畫,定序突變株之插入點、並建立可搜尋插入點序列之資料庫等。 |
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- Chern CG, .. (another 21 authors).., Hsing YI. (2007). A rice phenomics study - phenotype scoring and seed propagation of a T-DNA insertion-induced rice mutant population. Plant Mol Biol. 65: 427-438.
- Hour AL, YC Lin, PF Li, TY Chow, WF Lu, FJ Wei, and YIC Hsing. 2007. Detection of SNPs between Tainung 67 and Nipponbare rice cultivars. Bot. Studies (in press)
- Hsing, YI, Chern, CG, Fan, MJ ..(Another 26 authors)..and Yu S-M (2007) A Rice gene activation/knockout library for high throughput functional genomics analysis. Plant Mol Biol. l63: 351-364.
- International Rice Genome Sequencing Project. (2005). The map-based sequence of the rice genome. Nature 436: 793-800. Author lists: Academia Sinica Plant Genome Center ( ASPGC) TY Chow, HH Chen, MC Chung, CS Chen, JF Shaw, HP Wu, KJ Hsiao, YT Chao, MK Chu, CH Cheng, AL Hour, PF Lee, SJ Lin, YC Lin, JY Liou, SM Liu, YI Hsing.
- Lin, YR, Chow TY, Luo M, Kudrna D, Lin CC, Wing RA, Hsing YI. (2006). Two Highly Representative Rice BAC Libraries of Japonica cv Tainung 67, Suitable for Rice Structural and Functional Genomic Research. Plant Sci. 170: 889-896.
- Lu CA, Lin CC, Lee KW, Chen JL, Huang LF, Ho SL, Liu HJ, Hsing YI, Yu SM. 2007. The SnRK1A Protein Kinase Plays a Key Role in Sugar Signaling during Germination and Seedling Growth of Rice. Plant Cell 19: 2484-99.
- Rice Annotation Project, Itoh T, ..(Another 93 authors).. Sasaki T. 2007. Curated genome annotation of Oryza sativa ssp. japonica and comparative genome analysis with Arabidopsis thaliana. Genome Res. 17:175-83.
- Shih, M.D.,S.C. Lin, J. S. Hsieh, C.H. Tsou, T.Y. Chow, T.P Lin and Y.I.C. Hsing. (2004). Gene cloning and characterization of a soybean (Glycine max L.) LEA protein, GmPM16. Plant Mol. Biol. 56:689-703
- Ueguchi-Tanaka, M., Ashikari, M., Nakajima M., Itoh H., Katoh E., Kobayashi M., Chow T., Hsing Y., Kitano H., Yamaguchi I., Matsuoka M. (2005). Gibberellin insensitive dwarf 1 encodes soluble receptor for gibberellin. Nature 437:693-698.
- Yu SM, Ko SS, Hong CY, Sun HJ, Hsing YI, Tong CG, Ho TH. (2007). Global functional analyses of rice promoters by genomics approaches. Plant Mol Biol. 65: 417-425.
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博士後研究員
施明德、張善意、蔡元卿
研究助理
楊淑怡、張家瑋、簡瑋廷、徐子富、魏甫錦、盧柏昌、黃凌姿、吳麗鴻
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