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- 저자 : Rong-Chao Ge (검색결과 3 건)
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Pei-Rong Wu,Yu-Mei Feng,Ting Ge,Ying-Chao Kong,Zhan-Sheng Ma,Zan Liu,Zhi-Lin Cheng 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.63 No.-
The surface of self-made MoS2 nanosheets with five-layer structure was successively decorated by zinc borate (ZB) nanoparticles with coordination enhancement on the tribological performance and modified by three types of modifiers for improving dispersivity in oil. A series of characterizations determined the chemical modification and composite structure of the ZB/MoS2 nanocomposites. The tribological properties of the chemically capped ZB/MoS2 nanocomposites were extensively examined on a ball-on-ball wear tester. The average friction coefficient and average wear scar diameter of the OA-ZB/MoS2-based oil dropped by about 25.2% and 52.2%, and furthermore the extreme pressure performance increased by about 15.2% compared to oil.
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Resistance Function of Rice Lipid Transfer Protein LTP110
( Xiao Chun Ge ),( Ji Chao Chen ),( Ning Li ),( Yi Lin ),( Chong Rong Sun ),( Kai Ming Cao ) 생화학분자생물학회 2003 BMB Reports Vol.36 No.6
Plant lipid transfer proteins (LTPs) are a class of proteins whose functions are still unknown. Some are proposed to have antimicrobial activities. To understand whether LTP110, a rice LTP that we previously identified from rice leaves, plays a role in the protection function against some serious rice pathogens, we investigated the antifungal and antibacterial properties of LTP110. A cDNA sequence, encoding the mature peptide of LTP110, was cloned into the Impact-CN prokaryotic expression system. The purified protein was used for an in vitro inhibition test against rice pathogens, Pyricularia oryzae and Xanthomonas oryzae. The results showed that LTP110 inhibited the germination of Pyricularia oryzae spores, and its inhibitory activity decreased in the presence of a divalent cation. This suggests that the antifungal activity is affected by ions in the media; LTP110 only slightly inhibited the growth of Xanthomonas oryzae. However, the addition of LTP110 to cultured Chinese hamster ovarian cells did not retard growth, suggesting that the toxicity of LTP110 is only restricted to some cell types. Its antimicrobial activity is potentially due to interactions between LTP and microbe-specific structures.
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Overexpression of the AtSTK Gene Increases Salt, PEG and ABA Tolerance in Arabidopsis
Lei Bing,Cui-Cui Feng,Jing-Lan Li,Xiao-Xu Li,Baocun Zhao,Yin-Zhu Shen,Zhan-Jing Huang,Rong-Chao Ge 한국식물학회 2013 Journal of Plant Biology Vol.56 No.6
AtSTK (At5g02800), which is a serine-threonineprotein kinase gene of Arabidopsis thaliana, was cloned, andits function was studied. The study found that the overexpressionof AtSTK could significantly improve the ability of A. thaliana to tolerate salt, PEG, and ABA stresses. RT-PCRanalysis revealed that the expression of the AtSTK genecould be obviously induced by salt, PEG, and ABA. Theexamination of the physiological characteristics showed thatthe overexpression of AtSTK in Arabidopsis significantlyreduced the plasma membrane permeability, significantlyincreased the proline content, and decreased the MDA content. These changes may reflect the physiological mechanismsthrough which AtSTK overexpression improves stress resistancein Arabidopsis. In addition, the overexpression of the AtSTKgene significantly antagonised the inhibitory effect of highconcentrations of exogenous ABA on Arabidopsis seedgermination. The subcellular localisation results showed thatAtSTK is located in both the cytosol and the nucleus. Theexamination of its tissue-specific expression showed thatAtSTK is expressed in various Arabidopsis tissues and isparticularly strongly expressed in the vessels. The signallingpathway analysis indicated that AtSTK might transfer thesalt stress signal in Arabidopsis through the MAPK pathway.
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