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- 저자 : Guo Chunlei (검색결과 4 건)
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The Phylotype of Thermus from the Rehai Geothermal Area, Tengchong, China
Guo, Chunlei,Wang, Tao,Zhu, Wei,Zhang, Donghua,Cui, Xiaolong,Xu, Lihua,Peng, Qian The Microbiological Society of Korea 2003 The journal of microbiology Vol.41 No.2
Through enrichment on two nutrient agars, 57 Thermus isolates were recovered from 15 hot spring samples taken from the Rehai geothermal area, Tengchong, China. Unique growth characteristics were observed when the strains were transferred from YIM14 medium to Thermus medium. Phylogenetic analysis showed that the 16S rDNA sequences of the isolates and clones from the Rehai geothermal area farmed a monophyletic group on the phylogenetic tree. A secondary structure comparison showed that their 16S rRNAs have unique secondary structure characteristics.
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Manipulation of multiple periodic surface structures on metals induced by femtosecond lasers
Lim, Hyun Uk,Kang, Jeongjin,Guo, Chunlei,Hwang, Taek Yong Elsevier 2018 APPLIED SURFACE SCIENCE - Vol.454 No.-
<P><B>Abstract</B></P> <P>Under femtosecond laser pulse irradiation, the selective control of structural periods of low spatial frequency laser-induced periodic surface structures (LSFLs) is investigated on metals at large incident beam angles. As increasing the number of irradiating pulses, we produce three types of LSFLs, small-, dual-, and large-scale LSFLs, and find two kinds of structural period variations, the sequential structural variations from small- to dual- to large-scale LSFLs and the nonsequential variation directly from small- to large-scale LSFLs by controlling the laser fluence. Using the efficacy factor with the help of the Maxwell-Garnett theory, our study also shows that all three types of LSFLs can be understood by the interference between the incident beam and surface plasmon polaritons at the air-nanostructure composite and metal interface rather than the air-metal interface.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Various scales of LSFLs were fabricated on metals at large incident angles. </LI> <LI> Sequential and nonsequential structural period variations of LSFLs were exploited. </LI> <LI> Possible mechanism of LSFL formation was discussed with the Maxwell-Garnett theory. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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Yu Liyang,Wang Dongsheng,Huang Ruimin,Cao Fei,Guo Chunlei,Zhang Jingzheng 한국식물생명공학회 2024 Plant biotechnology reports Vol.18 No.1
The B-box (BBX) proteins are a class of zinc finger transcription factors and play critical roles in plant development and growth. However, they have not been systematically characterized in Chinese chestnut (Castanea mollissima), an important nut with rich nutrition and high economic value. Here, 18 BBX genes were identified in Chinese chestnut genome and divided into five groups through phylogenetic analysis, with members in the same group containing the same conserved domain organization. The collinearity analysis showed that dispersed duplication played a major role in the expansion of CmBBX gene family inferred to have evolved through purifying selection. Transcriptome analysis and qRT-PCR experiments suggested that CmBBX genes showed different expression patterns in different Chinese chestnut tissues, and revealed some CmBBXs may have potential functions in the development of Chinese chestnut buds, nuts, fertile/abortive ovules. Combined with the analysis of conserved domain, motif, cis-elements, expression level and protein three-dimensional structure, the lack of cis- acting elements related to meristem expression and gibberellin-responsiveness may lead to the no-expression of CmBBX9 in Chinese chestnut. The systematic analysis of Chinese chestnut BBX genes provides a basis for further understanding the characteristics and potential functions of BBX gene family.
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Lei Fang,Ran-ran Zhu,Zhen Sang,Xiao-ting Xu,Lin-yun Zheng,Yanwei Xiang,Chaoyang Guo,Zhenrui Li,Stephane Alexandre Espinosa,Qi Zhang,Chunlei Shan 한국한의학연구원 2023 Integrative Medicine Research Vol.12 No.2
Background: To meet the growing global demand for rehabilitation services, the World Health Organization (WHO) launched Rehabilitation 2030. This study was commissioned by the WHO to investigate the integration degree of traditional Chinese medicine (TCM) in Chinese health system rehabilitation services and the demand for TCM rehabilitation in China. Methods: Twenty TCM rehabilitation experts and relevant government administrators were invited to complete the questionnaire between September 2019 and January 2022. The development of traditional, complementary, and integrative medicine (TCI) rehabilitation in China was assessed primarily based on six different health system components. Results: 26 policies, regulations, and national strategic plans related to TCI rehabilitation were issued by relevant government departments since 2002; notably, 14 policies related to TCI rehabilitation development were intensively introduced from 2016 to 2021. These policies cover the three main areas of financing, infrastructure development, and service delivery. The National Administration of Traditional Chinese Medicine's investment in TCM clinical capacity infrastructure and scientific research in 2019–2021 increased by 66% compared to 2010–2012, and the average number of TCM hospitals with rehabilitation departments in 2020 increased by 6.5% compared to 2018. The proportion of community health service centers providing TCM services in primary medical and health institutions has increased by 30.8% over the past 10 years. Conclusion: Long-term continuous policies, substantial financial investment, and expansion of the scope of TCI rehabilitation services in primary care institutions have effectively contributed to the rapid development of TCI rehabilitation. However, human resources and financing mechanisms for TCI rehabilitation need further improvement.
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