http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Cloning and Expression Characteristics of Pharbitis nil COP1 (PnCOP1) During the Floral Induction
김윤희,김성룡,허윤강,Kim, Yun-Hee,Kim, Seong-Ryong,Heo, Yoon-Kang 한국광과학회 2005 Journal of Photosciences Vol.12 No.1
The ubiquitin E3 ligase COP1 (Constitutive Photomorphogenesis 1) is a protein repressor of photomorphogenesis in Arabidopsisplants, and it found in various organisms, including animals. The COP1 protein regulates the stability of many of the light-signaling components that are involved in photomorphogenesis and in the developmental processes. To study the effect of COP1 on flowering in a short day plant, we have cloned a full-length of PnCOP1 (Pharbitis nil COP1) cDNA from Pharbitis nil Choisy cv. Violet, and we examined its transcript levels under various conditions. A full-length PnCOP1 cDNA consists of 2,280 bp nucleotidesthat contain 47 bp of 5'-UTR, 232 bp of 3'-UTR including the poly (A) tail, and 1,998 bp of the coding sequence. The deduced amino acid sequence contains 666 amino acids, giving it a theoretical molecular weight of 75 kD and a isolectric point of 6.2. The PnCOP1 contains three distinct domains, an N-terminal $Zn^2+$-binding RING-finger domain, a coiled-coil structure, and WD40 repeats at the C-terminal, implying that the protein plays a role in protein-protein interactions. The PnCOP1 transcript was detected in the cotyledon, hypocotyls and leaves, but not in root. The levels of the PnCOP1 transcript were reduced in leaves that were a farther distance away from the cotyledons. The expression level of the PnCOP1 gene was inhibited by light, while the expression was increased in the dark. During the floral inductive 16 hour-dark period for Pharbitis nil, the expression was increased and it reached its maximum at the 12th hour of the dark period. The levels of PnCOP1 mRNA were dramatically reduced upon light illumination. These results suggest that PnCOP1 may play an important function in the floral induction of Pharbitis nil.
GIS용, Epoxy/μSilica-μAlumina Mixture Composites의 전기적, 기계적 특성연구
한훈종(Hun Jong Han),민동진(Dong Jin Min),신현우(Hyeon-Woo Shin),염철훈(Chul-Hoon Yeom),오진환(Jin-Hwan Oh),윤혜지(Hye-Ji Yoon),이성영(Sung-Young Lee),허윤강(Yoon Kang Heo),이우진(Woo Jin Lee),이지희(Jihee Lee),이동윤(Dong-Yoon Lee) 대한전기학회 2020 대한전기학회 학술대회 논문집 Vol.2020 No.7