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Sang-Soo Kwak

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    2015

  1. Wang, Z., Ke, Q., Kim, M. D., Kim, S. H., Ji, C. Y., Jeong, J. C., Lee, H.-S., PArk, W. S., Ahn, M.-J., Li, H., Xu. B., Deng, X., Lee, S.-H., Lim, Y. P. and Kwak, S. S. 2015 Transgenic alfalfa plants expressing the sweetpotato Orange gene exhibit enhanced abiotic stress tolerance. PLoS ONE 10: e0126050. doi:10.1371/journal.pone.0126050

  2. Park, S. C., Kim, Y. H., Kim, S. H., Jeong, Y. J., Kim, C. Y., Lee, J. S., Bae, J.-Y., Ahn, M.-J., Jeong, J. C. Lee, H.-S. and Kwak, S. S. 2015 Overexpression of the IbMYB1 gene in an orange-fleshed sweet potato cultivar produces a dual-pigmented transgenic sweet potato with improved antioxidant activity. Physiologia Plantarum 153: 525-537

  3. Lee, J. J., Kim, Y. H., Kwak, Y. S., An, J. Y., Kim, P. J., Lee, B. H., Kumar, V., Park, K. W., Chang, E. S., Jeong, J. C., Lee, H.-S. and Kwak, S. S. 2015 A comparative study of proteomic differences between pencil and storage roots of sweetpotato (Ipomoea batatas (L.) Lam.). Plant Physiology and Biochemistry 87: 92-101

  4. An, C. H., Lee, K. W., Lee, S. H., Jeong, Y. J., Woo, S. G., Chun, H., Park, Y.-I., Kwak, S.-S. and Kim, C. Y. 2015 Heterologous expression of IbMYB1a by different promoters exhibits different patterns of anthocyanin accumulation in tobacco. Plant Physiology and Biochemistry 89: 1-10

  5. Park, S. C., Kim, S. H., Park, S., Lee, H. U., Lee, J. S., Park, W. S., Ahn, M.-J., Kim, Y. H., Jeong, Y. J., Lee, H.-S. and Kwak, S. S. 2015 Enhanced accumulation of carotenoids in sweetpotato plants overexpressing IbOr-Ins gene in purple-fleshed sweetpotato cultivar. Plant Physiology and Biochemistry 86: 82-90

  6. Ke, Q., Wang, Z., Ji, C. Y., Jeong, J. C., Lee, H. S., Li, H., Xu, B., Deng, X. and Kwak, S. S. 2015 Transgenic poplar expressing Arabidopsis YUCCA6 exhibits auxin-overproduction phenotypes and increased tolerance to abiotic stress. Plant Physiology and Biochemistry 94: 19-27

  7. Kim, Y. H., Park, S. C., Ji, C. Y., Lee, J. J., Jeong, J. C., Lee, H. S., and Kwak, S. S. 2015 Diverse antioxidant enzyme levels in different sweetpotato root types during storage root formation. Plant Growth Regulation 75: 155-164

  8. Kim, S. H., Kim, M. D., Park, S.-C., Jeong, J. C., Lee, H.-S. and Kwak S.-S. 2015 Development of transgenic cassava plants expressing IbOr gene by somatic embryogenesis. Journal of Plant Biotechnology 42: 88-92

  9. Park, S.-C., Kim, M. D., Kim, S. H., Kim, Y.-H., Jeong, J. C., Lee, H.-S. and Kwak S.-S. 2015 Enhanced drought and oxidative stress tolerance in transgenic sweetpotato expressing a codA gene. Journal of Plant Biotechnology 42: 88-92

  10. Chen, W., Deng, X. P., Kwak, S. S., and Eneji, A. E. 2015 The Relationship between yield and fructan exo-Hydrolases activity in two drought resistant wheat cultivars grown under different fertilizer and tillage treatments. Journal of Plant Nutrition 38: 13-27

  11. Kim, H. J., Park, W. S., Bae, J. Y., Kang, S. Y., Yang, M. H., Lee, S., Lee, H.-S., Kwak, S.-S. and Ahn, M. J. 2015 Variations in the carotenoid and anthocyanin contents of Korean cultural varieties and home-processed sweet potatoes. Journal of Food Composition and Analysis 41: 188-193

  12. Kim, Y. H., Lim, S., Han, S. H., Lee, J. J., Nam, K. J., Jeong, J. C., Lee, H.-S. and Kwak, S. S. 2015 Expression of both CuZnSOD and APX in chloroplasts enhances tolerance to sulfur dioxide in transgenic sweet potato plants. Comptes rendus biologies 338: 307-313

  13. Goo, Y. M., Han, E. H., Jeong, J. C., Kwak, S. S., Yu, J., Kim, Y. H., Ahn M.-J. and Lee, S. W. 2015 Overexpression of the sweet potato IbOr gene results in the increased accumulation of carotenoid and confers tolerance to environmental stresses in transgenic potato. Comptes rendus biologies 338: 12-20

    2014

  14. Wang, Z., Li, H., Ke, Q., Jeong, J. C., Lee, H. S., Xu, B., Deng, X.-P., Lim, Y. P. and Kwak, S. S. 2014 Transgenic alfalfa plants expressing AtNDPK2 exhibit increased growth and tolerance to abiotic stresses. Plant Physiology and Biochemistry 84: 67-77

  15. Li, H., Wang, Z., Ke, Q., Ji, C. Y., Jeong, J. C., Lee, H. S., Lim, P. Y., Xu, B., Deng, X.-P. and Kwak, S. S. 2014 Overexpression of codA gene confers enhanced tolerance to abiotic stresses in alfalfa. Plant Physiology and Biochemistry 85: 31-40

  16. Kim, S. H., Jeong, J. C., Park, S., Bae, J. Y., Ahn, M. J., Lee, H. S., and Kwak, S. S. 2014 Down-regulation of sweetpotato lycopene β-cyclase gene enhances tolerance to abiotic stress in transgenic calli. Molecular Biology Reports 41: 8137-8148

  17. Kim, S. H., Jeong, J. C., Ahn, Y. O., Lee, H. S., and Kwak, S. S. 2014 Differential responses of three sweetpotato metallothionein genes to abiotic stress and heavy metals. Molecular Biology Reports 41: 6957-6966

  18. Kim, Y. H., Jeong, J. C., Lee, H. S., Kwak, S. S. 2014 Responses of sweet potato peroxidases to sodium nitroprusside-mediated nitric oxide. Journal of Plant Biochemistry and Biotechnology 23: 440-443

    2013

  19. Kim, S. H., Ahn, Y. O., Ahn, M. J., Jeong, J. C., Lee, H. S., and Kwak, S. S. 2013 Cloning and characterization of an Orange gene that increases carotenoid accumulation and salt stress tolerance in transgenic sweetpotato cultures. Plant Physiology and Biochemistry 70: 445-454

  20. Chu, H., Jeong, J. C., Kim, W. J., Chung, D. M., Jeon, H. K., Ahn, Y. O., Kim, S. H., Lee, H.-S., Kwak, S. S. and Kim, C. Y. 2013 Expression of the sweetpotato R2R3-type IbMYB1a gene induces anthocyanin accumulation in Arabidopsis. Physiologia Plantarum 148: 189-199

  21. Kim, S. H., Kim, Y. H., Ahn, Y. O., Ahn, M. J., Jeong, J. C., Lee, H. S., and Kwak, S. S. 2013 Downregulation of the lycopene ε-cyclase gene increases carotenoid synthesis via the β-branch-specific pathway and enhances salt-stress tolerance in sweetpotato transgenic calli. Physiologia Plantarum 147: 432-442

  22. Kim, Y. H., Jeong, J. C., Lee, H. S., and Kwak, S. S. 2013 Comparative characterization of sweetpotato antioxidant genes from expressed sequence tags of dehydration-treated fibrous roots under different abiotic stress conditions. Molecular Biology Reports 40: 2887-2896

  23. Cheng, Y. J., Kim, M.-D., Deng, X. P., Kwak, S. S. and Chen, W. 2013 Enhanced salt stress tolerance in transgenic potato plants expressing IbMYB1, a sweet potato transcription factor. Journal of Microbiology and Biotechnology 23: 1737-1746

  24. Cheng, Y. J., Deng, X. P., Kwak, S. S., Chen, W., and Eneji, A. E. 2013 Tolerant potato cultivar selection under multiple abiotic stresses. Journal of Food, Agriculture and Environment 11: 760-766

  25. Lee, Y.-P., Ahmad, R., Lee, H.-S., Kwak, S. S., Shafqat, M. N. and Kwon, S.-Y. 2013 Improved tolerance of Cu/Zn superoxide dismutase and ascorbate peroxidase expressing transgenic tobacco seeds and seedlings against multiple abiotic stresses. International Journal of Agriculture and Biology 15: 725-730

  26. Dong Yoon, K., Kang, S. N., Bae, J. Y., Lee, H. S., Kwak, S. S., Jang, I.,Kim, I.-S., Lee, C. H., bae, J. M., Lee, S. W. and Ahn, M. J. 2013 Enhanced antioxidant and protective activities on retinal ganglion cells of carotenoids-overexpressing transgenic carrot. Current Drug Targets 14: 999-1005

    2012

  27. Wang, X., Guo, X., Li, Q., Tang, Z., Kwak, S. S., and Ma, D. 2012 Studies on salt tolerance of transgenic sweetpotato which harbors two genes expressing CuZn superoxide dismutase and ascorbate peroxidase with the stress-inducible SWPA2 Promoter. Plant Gene and Trait 3: 6-12

  28. Deng, X. P., Cheng, Y. J., Wu, X. B., Kwak, S. S., Chen, W., and Egrinya, A. 2012 Exogenous hydrogen peroxide positively influences root growth and exogenous hydrogen peroxide positively influences root growth and metabolism in leaves of sweet potato seedlings. Australian Journal of Crop Science 6: 1572-1578

  29. Kim, H. S., Park, H. C., Kim, K. E., Jung, M. S., Han, H. J., Kim, S. H.,Kwon, Y. S., Bahk, S., An, J., Bae, D. W., Yun D.-J., Kwak, S. S. and Chung, W. S. 2012 A NAC transcription factor and SNI1 cooperatively suppress basal pathogen resistance in Arabidopsis thaliana. Nucleic Acids Research 40: 9182-9192

  30. Park, S.-C., Kim, Y.-H., Ji, C. Y., Park, S., Jeong, J. C., Lee, H.-S., Kwak, S. S. 2012 Stable internal reference genes for the normalization of real-time PCR in different sweetpotato cultivars subjected to abiotic stress conditions. PLOS 7: e51502

  31. Lee, J. J., Park, K. W., Kwak, Y.-S., Ahn, Y. O., Jung, Y. H., Lee, B.-H., Jeong, J. C., Lee, H.-S., Kwak, S.-S., 2012 Comparative proteomic study between tuberous roots of light orange- and purple-fleshed sweetpotato cultivars. Plant Science 193-194: 120-129

  32. Kim, S. H., Ahn, Y. O., Ahn, M.-J., Lee, H.-S. and Kwak, S.-S. 2012 Down-regulation of b-carotene hydroxylase increases b-carotene and total carotenoids enhancing salt stress tolerance in transgenic cultured cells of sweetpotato. Phytochemistry 74: 69-78

  33. Ahn, Y. O., Kim, S. H., Lee, J., Kim H. R., Lee, H.-S. and Kwak, S.-S. 2012 Three Brassica rapa metallothionein genes are differentially regulated under various stress conditions. Molecular Biology Reports 39: 2059-2067

  34. Kim, Y.-H., Jeong, J. C., Park, S., Lee, H.-S. and Kwak, S.-S. 2012 Molecular characterization of two ethylene response factor genes in sweetpotato that respond to stress and activate the expression of defense genes in tobacco leaves. Journal of Plant Physiology 169: 1112-1120

    2011

  35. Park, S.C., Kim, Y.H., Jeong, J.C., Kim, C.Y., Lee, H.S., Bang, J.W. and Kwak, S.S. 2011 Sweetpotato late embryogenesis abundant 14 (IbLEA14) gene influences lignification and increases osmotic- and salt stress-tolerance of transgenic calli. Planta 234: 621-634

  36. Kim, Y.H., Kim, M.D., Choi, Y.I., Park, S.C., Yun, D.J., Noh, E.W., Lee, H.S. and Kwak, S.S. 2011 Transgenic poplar expressing Arabidopsis NDPK2 enhances growth as well as oxidative stress tolerance. Plant Biotechnology Journal 9: 334-347

  37. Kim, M.D., Kim, Y.H., Kwon, S.Y., Lee, S.Y., Kwak, S.S. and Lee, H.S. 2011 Overexpression of 2-Cys peroxiredoxin enhances tolerance to MV-mediated oxidative stress and high temperature in transgenic potato plants. Plant Physiology and Biochemistry 49: 891-897

  38. Kim, Y.H., Kim, M.D., Park, S.C., Yang, G.S., Lee, H.S. and Kwak, S.S. 2011 SCOF-1-expressing transgenic sweetpotato plants show enhanced tolerance to low-temperature stress. Plant Physiology and Biochemistry 49: 1436-1441

    2010

  39. Ahn, Y.O., Kim, S.H., Kim, C.Y., Lee, J.S., Kwak, S.S. and Lee, H.S. 2010 Exogenous sucrose utilization and starch biosynthesis among sweetpotato cultivars. Carbohydrate Research 345: 55-60

  40. Ahmad, R., Kim, Y.H., Kim, M.D., Kwon, S.Y., Chung, W.I., Lee, H.S. and Kwak, S.S. 2010 Simultaneous expression of choline oxidase, superoxide dismutase, and ascorbate peroxidase in potato plant chloroplasts provides synergistically enhanced protection against various abiotic stresses. Physiologia Plantarum 138: 520-533

  41. Kim, K.H., Alam, I., Lee, K.W., Sharmin, S.A., Kwak, S.S., Lee, S.Y. and Lee, B.H. 2010 Enhanced tolerance of transgenic tall fescue plants overexpressing 2-Cys peroxiredoxin against methyl viologen and heat stresses. Biotechnology Letters 32: 571-576

  42. Lee, Y.P., Baek, K.H., Lee, H.S., Kwak, S.S., Bang, J.W. and Kwon, S.Y. 2010 Tobacco seeds simultaneously over-expressing Cu/Zn-superoxide dismutase and ascorbate peroxidase display enhanced seed longevity and germination rates under stress conditions. Journal of Experimental Botany 61: 2499-2506

  43. Kim, C.Y., Ahn, Y.O., Kim, S.H., Kim, Y.H., Lee, H.S., Catanach, A.S., Jacobs, J.M.E., Conner, A.J. and Kwak, S.S. 2010 The sweet potato IbMYB1 gene as a potential visible marker for sweetpotato intragenic vector system. Physiologia Plantarum 139: 229-240.

  44. Kim YH, Lee HS, Kwak SS. Differential responses of sweetpotato peroxidases to heavy metals. Chemosphere 81: 79-85

  45. Kim MD, Kim YH, Kwon SY, Yun DJ, Kwak SS, Lee HS (2010) Enhanced tolerance to methyl viologen-induced oxidative stress and high temperature in transgenic potato plants overexpressing the CuZnSOD, APX and NDPK2 genes. Physiologia Plantarum 140: 153-162

  46. Wu XB, Cheng YJ, Deng XP, Kwak SS (2010) Effect of foliar spraying of H2O2 and Cu/Zn SOD and APX gene transfered in chloroplasts on the recoverability of sweetpotato after chilling stress. Scientia Agricultura Sinica 43:1379-1388

  47. Lu, Y.Y., Deng, X.P., Kwak, S.S. 2010 Overexpression of CuZn superoxide dismutase (CuZn SOD) and ascorbate peroxidase (APX) in transgenic sweetpotato enhances tolerance and recovery from drought stress. African Journal of Biotechnology 9: 8378-8391

    2009

  48. Ryu SH, Kim YH, Kim CY, Park SY, Kim SH, Kwon SY, Lee HS, Bang JW, KwakSS (2009) Molecular characterization of the sweetpotato peroxidase SWPA4 promoter which responds to abiotic stresses and pathogen infection. Physiologia Plantarum 135: 390-399

  49. Kim SH, Song WK, Kim KY, Kim YH, Kwon SY, Lee HS, Lee IC, Kwak SS (2009) Characterization of full-length enriched expressed sequence tags of dehydration-treated white fibrous roots of sweetpotato. BMB Reports 42: 271-276

  50. Wang WB, Kim YH, Lee HS, Kim KY, Deng XP, Kwak SS (2009) Analysis of antioxidant enzyme activity during germination of alfalfa under salt and drought stresses. Plant Physiology and Biochemistry 47: 570-577

  51. Kim YH, Kim CY, Lee HS, Kwak SS (2009) Changes in activities of antioxidant enzymes and their gene expression during leaf development of sweetpotato. Plant Growth Regulation 58: 235-241

  52. Kim YH, Lim S, Yang KS, Kim CY, Kwon SY, Lee HS, Wang X, Zhou Z, Ma D, Yun DJ, Kwak SS (2009) Expression of Arabidopsis NDPK2 increases antioxidant enzyme activities and enhanced tolerance to multiple environmental stresses in transgenic sweetpotato plants. Molecular Breeding 24: 233-244

  53. Wang WB, Kim YH, Deng XP, Kwak SS, Wang ZH, Zhao ZP (2009) Physiological and biological responses of alfalfa shoots and roots to salt stress. Journal of Northwest A&F University 37:217-223

  54. Wang WB, Kim YH, Lee HS, Deng XP, Kwak SS (2009) Differential antioxidation activities in two alfalfa cultivars under chilling stress. Plant Biotechnology Reports 3: 301-307

    2008

  55. Kim, Y.H., Kim, C.Y., Song, W.K., Park, D.S., Kwon, S.Y., Lee, H.S., Bang, J.W. and Kwak, S.S. (2008) Overexpression of sweetpotato swpa4 peroxidase results in increased hydrogen peroxide production and enhances stress tolerance in tobacco. Planta 227: 867-881

  56. Kim, Y.H., Ryu, S.H., Kim, K.Y., Song, W.K., Kwon, S.Y., Lee, H.S., Bang, J.W. and Kwak, S.S. (2008) Molecular characterization of a cDNA encoding DRE-binding transcription factor from dehydration-treated fibrous roots of sweetpotato. Plant Physiology and Biochemistry 46: 196-204

  57. Kim, Y.H., Ryu, S.H., Kim, K.Y., Song, W.K., Kwon, S.Y., Lee, H.S., Bang, J.W. and Kwak, S.S. (2008) Molecular cloning of three novel peroxidase cDNAs from dehydration-treated fibrous roots of sweetpotato and their differential expression in response to stress. BMB Reports 41: 259-265

  58. Ahmad, R., Kim, M.D., Back, K.H., Kim, H.S., Lee, H.S., Kwon, S.Y., Murata, N., Chung, W.I. and Kwak, S.S. (2008) Stress-induced expression of choline oxidase in potato plant chloroplasts confers enhanced tolerance to oxidative, salt, and drought stresses. Plant Cell Reports 27: 687-698

  59. Uddin, M.D., Qi, Y., Yamada, S., Shibuya, I., Deng, X.P., Kwak, S.S., Kaminaka, H. and Tanaka, K. (2008) Overexpression of a new rice vacuolar antiporter regulating protein OsARP improves salt tolerance in tobacco. Plant Cell Physiology 49: 880-890

  60. Tang, L., Kim, M.D., Yang, K.S., Kwon, S.Y., Kim, J.S., Yun, D.J., Kwak, S.S. and Lee, H.S. (2008) Enhanced tolerance of transgenic potato plants overexpressing nucleoside diphosphate kinase 2 against multiple environmental stresses. Transgenic Research 17: 705-715

  61. Tang, L., Tang, H., Kwak, S.S., Lee, H.S., Wangm S.Y. and Yang, X.L. (2008) Potato plants improving oxidative stress and salt tolerance by gene transfer both of Cu/Zn superoxide dismutase and ascorbate peroxidase. China Biotechnology 28: 25-31

  62. Ahsan, N., Lee, D.G., Alam, I., Kim, P.J., Lee, J.J., Ahn, Y.O., Kwak, S.S., Lee, I.J., Bahk, J.D., Kang, K.Y., Renaut, J., Komatsu, S. and Lee, B.H. (2008) Comparative proteomic study of arsenic-induced differentially expressed proteins in rice roots reveals glutathione plays a central role during As stress. Proteomics 8: 3561-3576

  63. Jin, H., Plaha, P., Park, J.Y., Hong, C.P., Lee, I.S., Yong, Z.H., Jiang, G.B., Kwak, S.S., Liu, S.K. and Lim, Y.P. (2008) Expression profiles of genes in root and shoot induced by NaCl and Na2CO3 stresses using cDNA microarray in Leymus chinensis. Plant Science 175: 784-792

  64. Ahmad, R., Kim, Y.H., Kim, M.D., Phung, M.N., Chung, W.I., Lee, H.s., Kwak, S.S. and Kwon, S.Y. (2008) Development of selection marker-free transgenic potato plants with enhanced tolerance to oxidative stress. Journal of Plant Biology 51: 401-407

    2007

  65. Lee J, Nam J, Park HC, Na G, Miura K, Jin JB, Yoo CY, Baek DW, Jeong JC, Kwak SS, Lee SY, Salt DE, Mengiste T,Gong Q,, Ma S, Bohnert HJ, Bressan RA,Hasegawa PM, and Yun DJ (2007) Salicylic acid-mediated innate immunity in Arabidopsis is regulated by SIZ1 SUMO E3 ligase. Plant Journal 49: 79-90.

  66. Lim S, Kim YH, Kim SH, Kwon SY, Lee HS, Kim JG, Cho CY, Paek KY, Kwak SS (2007) Enhanced tolerance of transgenic sweetpotato plants expressing both superoxide dismutase and ascorbate peroxidase in chloroplasts against methyl viologen-mediated oxidative stress. Molecular Breeding 19: 227-239.

  67. Lee YP, Kim SH, Bang JW, Lee HS, Kwak SS, Kwon SY (2007) Enhanced tolerance to oxidative stress in transgenic tobacco plants expressing three antioxidant enzymes in chloroplasts. Plant Cell Reports 26: 591-598

  68. Shin YM, Choe G, Shin BC, Yi GB, Yun PY, Yang KY, Lee JS, Kwak SS, Kim KM (2007) Selection of nptII transgenic sweetpotato plants using G418 and paromomycin. Journal of Plant Biology 50: 206-212.

  69. Um MO, Park TI, Kim YJ, Seo HY, Kim JG, Kwon SY, Kwak SS, Yun DJ, Yun SJ (2007) Particle bombardment-mediated transformation of barley with an Arabidopsis NDPK2 cDNA. Plant Biotechnology Reports 1: 71-77

  70. Liu HY, Yu Xin, Cui DY, Sun MH, Sun WN, Tang ZC, Kwak SS, Su WA(2007) The role of water channel proteins and nitric oxide signaling in rice seed germination. Cell Research 17: 638-649

  71. Tang L, Tang H, Wang SY, Yang XI, Lee HS, Kwak SS (2007) Agrobacterium-mediated transformation of an ecologically important potato cultivar using internodal stem explants. China Biotechnology 27: 80-87

  72. Lee SH, Ahsani N, Lee KW, Kim DH, Lee DG, Kwak SS, Kwon SY, Kim TH, Lee BH (2007) Simultaneous overexpression of both CuZn superoxide dismutase and ascorbate peroxidase in transgenic tall fescue plants confers increased tolerance to a wide range of abiotic stresses. Journal of Plant Physiology 164: 1626-1638

  73. Kim YH, Lim S, Han SH, Lee JC, Song WK, Bang JW, Kwon SY, Lee HS, Kwak SS (2007) Differential expression of ten sweetpotato peroxidases in response to sulfur dioxide, ozone, and ultraviolet radiation. Plant Physiology and Biochemistry 45: 908-914

    2006

  74. Le, J., Nam, J., Park, H. C., Na, G., Miura, K., Jin, J. B., Yoo, C. Y., Baek, D., Kim, D. H., Jeong, J. C., Kim, D., Lee, S. Y., Salt, D. E., Mengiste, T., Gong, Q., Ma, S., Bohnert, H. J., Kwak, S. S., Bressan, R. A., Hasegawa, P. M. and Yun, D.-J. 2006 Salicylic acid-mediated innate immunity in Arabidopsis is regulated by SIZ1 SUMO E3 ligase. The Plant Journal 49: 79-90

  75. Kang, C.H., Jung, W.Y., Kang, Y.H., Kim, D.G., Jeong, J.C., Baek, D.W., Jin, J.B., Chung, W.S., Mengiste, T., Koiwa, H., Kwak, S.S., Bahnk, J.D., Lee, S.Y., Nam, J.S., Yun, D.J., Cho, M.J. 2006 AtBAG6, a novel calmodulin-binding protein, induces programmed cell death in yeast and plants. Cell Death and Differentiation 13: 84-95

  76. Jin, H., Plaha, P., Park, J.Y., Hong, C.P., Lee, I.S., Yang, Z.H., Jiang, G.B., Kwak, S.S., Liu, S.K., Lee, J.S., Kim, Y.A., Lim, Y.P. 2006 Comparative EST profiles of leaf and root Leymus chinensis, a xerophilous grass adapted to high pH sodic soils. Plant Science 170: 1081-1086

  77. Lee, S.H., Lee, D.G., Woo, H.S., Lee, K.W., Kim, D.H., Kwak, S.S., Kim, J.S., Kim, H., Ahsan, N., Choi, M.S., Yang, J.K., Lee, B.H. 2006 Production of transgenic orchardgrass via Agrobacterium-mediated transformation of seed-derived callus tissues. Plant Science 171: 408-414

  78. Lin, Y., Deng, X.P., Kwak, S.S. and Tanaka, K. 2006 Enhanced drought tolerance in transgenic sweetpotato expressing both Cu/Zn superoxide dismutase and ascorbate peroxidase. Journal of Plant Phsiology and Molecular Biology 32: 451-457

  79. Lee, Y.K., Kim, I.J., Kim, G.T., Park, J.M., Kwak, S.S., Choi, G. and Chung, W.I. 2006 LONGIFOLIA1 and LONGIFOLIA2, two homologous proteins, regulate longitudinal cell elongation independent of ROTUNDIFOLIA3. Development 133: 4305-4314

  80. Tang, L., Kwon, S.Y., Kim, J.S., Choi, J.S., Cho, K.Y., Sung, C.K., Kwak, S.S. and Lee, H.S. 2006 Enhanced tolerance of trannsgenic pottao plants expressing both superoxide dismutase and ascorbate peroxidase in chloroplasts against oxidative stress and high temperature. Plant Cell Reports 25: 1380-1386

  81. Jo, S.H., Kwon, S.Y., Kim, J.W., Lee, K.T., Kwak, S.S. and Lee, H.S. 2006 High-yield production of fuctional human lactoferrin in transgenic cell cultures of Siberian ginseng (Acantopanax senticosus). Biotechnology and Bioprogress Engineering 11: 442-448

    2005

  82. Shin, S.Y., Lee, H.S., Kwon, S.Y., Kwon, S.T. and Kwak, S.S. 2005 Molecular characterization of a cDNA encoding copper/zinc superoxide dismutase from cultured cells of Manihot esculenta. Plant Physiology and Biochemistry 43: 55-60

  83. Wang, F.Z., Wang, Q.B., Kwon, S.Y., Kwak, S.S. and Su, W.A. 2005 Enhanced drought tolerance of transgenic rice plants expressing a pea manganese superoxide dismutase. Journal of Plant Physiology 162: 465-472

    2004

  84. Kim, J.S., Yun, B.W., Choi, J.S., Kim, T.J., Kwak, S.S. and Cho, K.Y. 2004 Death mechanism caused by carotenoid biosyntheis inhibitors in green and in undeveloped plant tissues. Pesticide Biochemistry and Physiology 78: 127-139

  85. Park, S.Y., Ryu, S.H., Jang, I.C., Kwon, S.Y., Kim, J.G. and Kwak, S.S. 2004 Molecular cloning of a cytosolic ascorbate peroxidase from cell cultures of sweetpotato and its expression in response to stress. Molecular Genetics and Genomics 271: 339-346

  86. Jang, I.C., Park, S.Y., Kwon, S.Y., Kim, J.G. and Kwak, S.S. 2004 Differential expression of ten sweetpotato peroxidase genes in response to bacterial pathogen, Pectobacterium chrysanthemi. Plant Physiology and Biochemistry 42: 451-455

  87. Lian, H.L., Yu, X., Ye, Q., Kwak, S.S., Su, W.A. and Tang, Z.C. 2004 The role of aquaporin RWC3 in drought avoidance of rice. Plant and Cell Physiology 45: 481-489

  88. Pyon, J.Y., Piao, R.Z., Roh, S.W., Shin, S.Y. and Kwak, S.S. 2004 Differential levels of antioxidants in paraquat-resistant and -susceptible Erigeron canadensis biotypes in Korea. Weed Biology and Management 4: 75-80

  89. Shin, D.J., Koo, Y.D., lee, J.Y., Lee, H.J., Baek, D.W., Lee, S.C., Cheon, C.I., Kwak, S.S., Lee, S.Y. and Yun, D.J. 2004 Athb-12, a homeobox-leucine zipper domail protein from Arabidopsis thaliana, increases salt tolerance in yeast by regulating sodium exclusion. Biochemical and Biophysical Research Communications 323: 534-540

  90. Kim, Y.H., Kim, Y.H., Kwak, S.S., Kwon, S.Y., Bae, J.M., Lee, B.R., Meen, B.G., Huh, G.H. 2004 Alterations in intracellular and extracelluar activities of antioxidant enzymes during suspension culture of sweetpotato. Phytochemistry 65: 2471-2476

  91. Baek, D., Nam, J., Koo, Y.D., Kim, D.H., Lee, J., Jeong, J.C., Kwak, S.S., Chung, W.S., Lim, C.O., Lee, S.Y., Kawai, M., Uchimiya, H., Yun, D.J. 2004 Bax-induced cell death of Arabidopsis is mediated through reactive oxygen-dependent and independent processes. Plant Molecular Biology 56: 15-27

    2003

  92. Moon, H.J., Lee, B.Y., Choi, G.T., Shin, D.J., Theertha Prasad, D., Lee, O.S., Kwak, S.S., Kim, D.H., Nam, J.S., Bahk, J.D., Hong, J.C., Lee, S.Y., Cho, M.J., Lim, C.O., Yun, D.J. 2003 Nucleoside diphosphate kinase 2 interacts with two oxidative stress-activated mitogen-activated protein kinases to regulate cellular redox state and enhances multiple stress tolerance in transgenic plants. Proceedings of the National Academy of Sciences of the United States 100: 358-363

  93. Lee, O.S., Lee, B.Y., Park, N.M., Koo, J.C., Kim, Y.H., Theertha Prasad, D., Chandrakant, K., Chun, H.J., Jeong, B.R., Kim, D.H., Nam, J.S., Yun, J.G., Kwak, S.S., Cho, M.J. and Yun, D.J. 2003 Pn-AMPs, the hevein-like proteins from Pharbitis nil confers disease resistance against phytopathogenic fungi in tomato, Lycopersicum esculentum. Phytochemistry 62: 1073-1079

  94. Choi, S.M., Lee, O.S., Kwon, S.Y., Kwak, S.S., Yu, D.Y. and Lee, H.S. 2003 High expression of a human lactoferrin tobacco cell cultures. Biotechnology Letters 25: 213-218

  95. Kwon, S.Y., Choi, S.M., Ahn, Y.O., Lee, H.S., Lee, H.B., Park, Y.B. and Kwak, S.S. 2003 Enhanced stress-tolerance of transgenic tobacco plants expressing a human dehydroascorbate reductase gene. Journal of Plant Physiology 160: 347-353

  96. Kim, K.Y., Kwon, S.Y., Lee, H.S., Hur, Y.K., Bang, J.W. and Kwak, S.S. 2003 A novel oxidative stress-inducible peroxidase promoter from sweet potato: molecular cloning and characterization in transgenic tobacco plants and cultured cells. Plant Molecular Biology 51: 831-838

  97. Lee, H.S., Kwon, E.J., Jeong, Y.J., Kwon, S.Y., Lee, E.M., Jo, M.H., Kim, H.S., Woo, I.S. and Kwak, S.S. 2003 Transgenic cucumber fruits that produce high levels of an anti-aging superoxide dismutase. Molecular Breeding 11: 213-220

  98. Park, S.Y., Ryu, S.H., Kwon, S.Y., Lee, H.S., Kim, J.G., Kwak, S.S. 2003 Differential expression of six novel peroxidase cDNAs derived from sweetpotato cell cultures in response to stress. Molecular Genetics and Genomics 269: 542-552

  99. Choi, S.M., Lee, O.S., Kwon, S.Y., Kwak, S.S. and Lee, H.S. 2003 Transgenic ginseng cell lines that produce high levels of a human lactoferrin. Planta Medica 69:1005-1008

    2002

  100. Kim, T.H., Jung, J.K., Kwak, S.S., Nam, S.W., Chun, M.J. and Park, Y.H. 2002 Heterologous expression and secretion of sweet potato peroxidase isoenzyme A1 in recombinant Saccharomyces cerevisiae. Biotechnology Letters 24: 279-286

  101. Kwon, S.Y., Jeong, Y.J., Lee, H.S., Kim, J.S., Cho, K.Y., Allen, R.D., Kwak, S.S. 2002 Enhanced tolerance of transgenic tobacco plants expressing both superoxide dismutase and ascorbate peroxidase in chloroplasts against methyl viologen-mediated oxidative stress. Plant, Cell, and Environment 25: 873-882

  102. Lee, J.Y., Lee, B.Y., Shin, D.J., Kwak, S.S., Bahk, J.D., Lim, C.O. and Yun, D.J. 2002 Carnitine uptake by AGP2 in yeast Saccharomyces cerevisiare is dependent on HOG kinase pathway. Molecules and Cells 13: 407-412

    2001

  103. Kwon, S.Y., Ahn, Y.O., Lee, H.S. and Kwak, S.S. 2001 Biochemical characterization of transgenic tobacco plants expressing a human dehydroascorbate reductase gene. Journal of Biochemistry and Molecular Biology 34: 316-321.

    2000

  104. Yun, B.W., Huh, G.H., Lee, H.S., Kwon, S.Y., Jo, J.K., Kim, J.S., Cho, K.Y. and Kwak, S.S. 2000 Differential resistance to methy viologen in transgenic tobacco plants that express sweet potato peroxidases. Journal of Plant Pjysiology 156: 504-509

  105. Kim, K.Y., Kwon, H.K., Kwon, S.Y., Lee, H.S., Hur, Y. and Kwak, S.S. 2000 Differential expressions of four sweet potato peroxidase genes in response to abscisic acid and ethephon. Phytochemistry 54: 19-22

  106. Kwon, S.Y., An, C.S., Liu, J.R., Kwak, S.S., Lee, H.S., Kim, J.K. and Paek, K.H. 2000 Molecular cloning of a cDNA encoding ribosome inactivating protein from Amaranthus viridis and its expression in E. coli. Molecular and Cells 10: 8-12

  107. Kim, J.W., Han, S.K., Kwon, S.Y., Lee, H.S., Lim, Y.P., Liu, J.R., Kwak, S.S. 2000 High frequency shoot induction and plant regeneration from cotyledonary hypocotyl explants of cucumber (Cucumis sativus L.) seedlings. Journal of Plant Physiology 157: 136-139

    1999

  108. Kim, K.Y., Huh, G.H., Lee, H.S., Kwon, S.Y., Hur, Y., Kwak, S.S. 1999 Molecular characterization of two anionic peroxidase cDNAs isolated from suspension cultures of sweet potato. Molecular General and Genetics 261: 941-947

  109. Ahn, Y.O., Kwon, S.Y., Lee, H.S., Park, I.H. and Kwak, S.S. 1999 Biosynthesis and metabolism of vitamin C in suspension cultures of Scutellaria baicalensis. Journal of Biochemistry and Molecular Biology 32: 451-455

  110. Lee, H.S., Kim, K.Y., You, S.H., Kwon, S.Y. and Kwak, S.S. 1999 Molecular charcaterization and expression of a cDNA encoding copper/zinc superoxide dismutase from cultured cells of cassava (Manihot esculenta Crantz). Molecular General and Genetics 262: 807-814

    1998

  111. Huh, G.H., Yun, B.Y., Lee, H.S., Jo, J.K. and Kwak, S.S. 1998 Overproduction of sweet potato peroxidases in transgenic tobacco plants. Phytochemistry. 47: 695-700

  112. Jung, K.H., Kwak, S.S., and Liu, J.R. 1998 Process for biomass estimation considering the changes in biomass volume during high density culture of hairy roots. J Biotechnol. Bioeng. 85: 454-457

  113. Yun, B.Y., Huh, G.H., Kwon, S.Y., Lee, H.S., Jo, J.K. and Kwak, S.S. 1998 Antioxidant enzymes in Nicotiana cells containing an Ipomoea peroxidase gene. Phytochemistry. 48: 1287-1290

  114. Kwak, S.S. and Yun, B.Y. 1998 Molecular breeding of environmental stress tolerant plant with using peroxidases of sweet potato. Chemical Regulation of Plants. 32(2): 127-130.

    1997

  115. Huh, G.H., Lee, S.J., Bae, Y.S., Liu, J.R. and Kwak, S.S. 1997 Molecular cloning and characterization of anionic and neutral peroxidase cDNAs from sweet potato suspension-cultured cells and their differential expression in response to stress. Molecular General and Genetics 255: 382-391

    1995

  116. Choi, M.S., Kwak, S.S., Liu, J.R., Park, Y.G., Lee, M.K. and Ahn, Y.H. 1995 Taxol and related compounds in Korean native yews (Taxus cuspidata). Planta Medica 61:264-266.

  117. Kwak, S.S., Kim, S.K., Lee, M.S., Jung, K.H., Park, I.H. and Liu, J.R. 1995 Three acidic peroxidases from suspension-cultures of sweet potato. Phytochemistry 39:981-984

  118. Kwak, S.S., Choi, M.S., Lee, M.K., Park, Y.G. and Liu, J.R. 1995 Taxol contents in the seeds of Taxus spp. Phytochemistry. 40:29-32

  119. Jung, K.H., Kwak, S.S., Choi, C.Y. and Liu, J.R. 1995 An interchangeable system of hairy root and cell suspension culture in Catharanthus roseus for indole alkaloid production. Plant Cell Reports 15: 51-54

  120. Kwak, S.S., Kim, S.K., Park, I.H. and Liu, J.R. 1996 Enhancement of peroxidase activity by stress-related chemicals in suspension cultures of sweet potato. Phytochemistry. 43:565-568

    1994

  121. Jung, K.H., Kwak, S.S., Choi, C.Y. and Liu, J.R. 1994 Development of two stage culture process by optimization of inorganic salts for improving catharanthine production in hairy root cultures of Catharanthus roseus. Journal of Fermentation and Bioengineering 77:57-61.

  122. Kim, S.W., Song, N.H., Jung, K.H., Kwak, S.S. and Liu, J.R. 1994 High frequency plant regeneration from anther-derived cell suspension cultures via somatic embryogenesis in Catharanthus roseus. Plant Cell Reports 13: 319-322

  123. Kim, S.W., Jung, K.H., Kwak, S.S. and Liu, J.R. 1994 Relationship between morphology and indole alkaloid production in suspension cultures of vinca (Catharanthus roseus). Plant Cell Reports 14:23-26.

    1992

  124. Lee, H., Hong, W.H., Yoon, J.H., Song, K.M., Kwak, S.S. and Liu, J.R. 1992 Extraction of indole alkaloids from Catharanthus roseus by using supercritical carbon dioxide. Biotechnology Techniques 6: 127-130

  125. Jung, K.H., Kwak, S.S., Kim, S.W., Choi, C.Y., Heo, G.S. and Liu, J.R. 1992 Selection of protoclones for high yields of indole alkaloids from suspension cultures of Catharanthus roseus and the qualitative analysis of the compounds by LC-MS. Biotechnology Techniques 6:305-308

  126. Song, K.M., Park, S.W., Hong, W.H., Lee, H., Kwak, S.S. and Liu, J.R. 1992 Isolation of vindoline from Catharanthus roseus by supercritical fluid extraction. Biotechnology Process 8:583-586

  127. Jung, K.H., Kwak, S.S., Kim, S.W., Lee, H., Choi, C.Y. and Liu, J.R. 1992 Improvement of the catharanthine productivity in hairy root cultures of Catharanthus roseus by using monosaccharides as a carbon source. Biotechnology Letters 14:695-700.

    1991

  128. Sato. F., Yamada. Y., Kwak. S.S., Ichinose. K., Kishida. M., Takahahsi. N. and Yoshida. S. 1991 Photoautotrophic cultured plant cells: A novel system to survey new photosynthetic electron transport inhibitors. Z. Naturforsch. 46c:563-568.

  129. Saito, T., Kwak, S.S., Kamiya, Y., Yamane, H., Sakurai, A., Murofushi, N. and Takahahsi, N. 1991 Effects of deoxygibberellin C (DGC) and 16-deoxy-DGC on GA 3b-hydroxylase and plant growth. Plant and Cell Physiology 32:239-245

  130. Kobayashi, M., Kwak, S.S., Kamiya, Y., Yamane, H., Takahashi, N., Sakurai, A. 1991 Conversion of GA5 to GA6 and GA3 in cell-free system from Phaseolus vulgaris and Oryza sativa. Agric. Biol. Chemi. 55:249-251.

    1988

  131. Kwak, S.S., Kamiya, Y., Sakurai, A. and Takahahsi, N. 1988 Isolation of gibberellin biosynthesis inhibitors from testas of Phaseolus vulgaris L. Agricultural Biology and Chemistry 52: 149-151

  132. Kwak, S.S., Kamiya, Y., Takahashi, M., Sakurai, A. and Takahahsi, N. 1988 Metabolism of [14C]GA20 in a cell-free system from developing seeds of Phaseolus vulgaris L. Plant and Cell Physiology 29:707-711

  133. Kwak, S.S., Kamiya, Y., Sakurai, A., Takahahsi, N. and Graebe, J.E. 1988 Partial purification and characterization of gibberellin 3b-hydroxylase from immature seeds of Phaseolus vulgaris L. Plant and Cell Physiology 29:935-943.
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