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Zhi-Fang Zuo,강홍규,박미영,정하나,선현진,양대화,이용억,송필순,이효연 한국식물학회 2019 Journal of Plant Biology Vol.62 No.2
Numerous genes are known to regulate the coldresponse in plants. The ICE1 gene is a regulator of coldinducedtranscriptome playing an important role in coldtolerance in Arabidopsis thaliana. Here, the Arabidopsis ICE1gene was cloned and transformed into A. thaliana and Koreanlawn grass (Zoysia japonica) respectively, under the control of amaize ubiquitin promoter. The transgenic Arabidopsis plantsshowed higher survival rate, less MDA content, and higherlevels of proline, SOD, and POD after freezing treatment. In thecase of Z. japonica, 43 transgenic plants were produced byAgrobacterium-mediated transformation. Southern blot analysisshowed that 9 transgenic lines selected by phosphinothricin(PPT) were transformed with ICE1 independently. Coldtreatment significantly induced the transcripts abundant inthe up-regulated ZjCBF and ZjDREB1 in transgenic linesOE-18 and OE-19. Meanwhile, transgenic plants showedincreased proline level but decreased MDA content and withhigher activities of SOD and POD compared with wild typeunder cold stress. These results suggest that overexpressionof the ICE1 gene could improve the antioxidative capacity inconferring cold tolerance to the transgenic zoysiagrassplants.
정하나,선현진,Zuo Zhi-Fang,이동희,송필순,강홍규,이효연 한국식물생명공학회 2020 Plant biotechnology reports Vol.14 No.3
Zoysia japonica Steud. is a native turfgrass in the Korean peninsula and is used worldwide. Abnormal conditions of soil salinity inhibit plant growth and adversely affect the quality of the turfgrass. AT-hook motif nuclear-localized (AHL) family proteins known to co-regulate the transcription of genes as a chromatin remodeling factor play a role in plant developmental processes and stress responses. In this study, AT-Hook Protein of Genomine 1 (ATHG1)/AT-Hook motif nuclear-Localized protein 23 (AHL23) and AT-hook Protein of Genomine 3 (ATPG3)/AT-Hook motif nuclear-Localized protein 20 (AHL20), two AHL genes from A. thaliana, were transformed into Z. japonica under the control of a constitutive ubiquitin promoter. Southern blot analysis proved that ATHG1/AHL23 and ATPG3/AHL20 were introduced into the ATHG1/AHL23-transgenic plants and ATPG3/AHL20-transgenic plants, respectively. Overexpression of each ATHG1/AHL23 and ATPG3/AHL20 in all of the transgenic plants was confirmed by quantitative real-time PCR (qRT-PCR). To evaluate a tolerant response to salt stress of the transgenic plants, 4 transgenic plants including ATHG1-overexpressing line 1 (ATHG1-OE1) and ATHG1-OE2, and ATPG3-overexpressing line 1 (ATPG3-OE1) and ATPG3-OE2 were selected, respectively. All the transgenic plants showed higher salt-tolerant phenotype with higher chlorophyll and lower malondialdehyde (MDA) contents under salt treatment, compared to the wild types. Also, under salt treatment, the transgenic plants revealed higher activities of catalase (CAT) and peroxidase (POD), reactive oxygen species (ROS)-scavenging enzymes, than those of the wild-type plant. These results suggest that overexpression of ATHG1/AHL23 or ATPG3/AHL20 belonging to the AHL gene family confers salt tolerance to the transgenic zoysiagrass plants.
Li-Ying Wang,Xiu-Hua Wang,Jia-Lian Tan,Shuai Xia,Heng-Zhi Sun,Jin-Wen Shi,Ming-Dong Jiang,Liang Fang,Hua Zuo,Gautam Dupati,장기완,신동수 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.11
A number of novel small molecules, safrole oxide derivatives 4a-c, 6a-c, 9a-h, were synthesized by the reaction of safrole oxide with anilines 3 and 5, or its alkyl allyl ether derivative 7 with alkyl bromide 8 in moderate yields. The antiproliferative effects of all the target molecules on A549 cell growth were investigated and it was found that the 14 novel compounds could suppress A549 lung cancer cell growth. Among them, compound 6b was the most effective compound in inhibiting the proliferation of A549 cells.
Wang, Li-Ying,Wang, Xiu-Hua,Tan, Jia-Lian,Xia, Shuai,Sun, Heng-Zhi,Shi, Jin-Wen,Jiang, Ming-Dong,Fang, Liang,Zuo, Hua,Dupati, Gautam,Jang, Kiwan,Shin, Dong-Soo Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.11
A number of novel small molecules, safrole oxide derivatives 4a-c, 6a-c, 9a-h, were synthesized by the reaction of safrole oxide with anilines 3 and 5, or its alkyl allyl ether derivative 7 with alkyl bromide 8 in moderate yields. The antiproliferative effects of all the target molecules on A549 cell growth were investigated and it was found that the 14 novel compounds could suppress A549 lung cancer cell growth. Among them, compound 6b was the most effective compound in inhibiting the proliferation of A549 cells.