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Fu-Hao Lu,Cheol-Soon Park,Kyeong-Ho Yeon,Khandakar M.D. Rayhanul Kabir,Won-Hee Ra,Soon-Wook Kwon,Yong-Jin Park 한국육종학회 2012 한국육종학회 심포지엄 Vol.2012 No.07
Allele mining in starch synthesis-related genes (SSRGs) has facilitated the discovery of desired natural sequence variations for eating quality in rice. This study investigated the sequence variations from 10 SSRGs, and further evaluated their relationship with the amylose content (AC) and rapid viscosity analysis profiles in a global collection of rice accessions by association mapping (AM). In total, 83 sequence variations were found in 10 sequenced amplicons, including 73 single nucleotide polymorphisms (SNPs), eight insertion-deletions (InDels) and two polymorphic simple sequence repeats (SSRs). Four subpopulations were identified by population structure analysis based on 170 genome-wide SSR genotypes. AM revealed 11 significant associations between three phenotypic indices and three sequence variations. One SNP with a g/c transversion at the 63rd nucleotide downstream of the OsBEIIb gene termination codon on rice chromosome 2 was significantly associated with multiple trait indices in both the general linear and mixed linear models (GLM and MLM), including the final viscosity (p < 0.001, R2 = 23.87%) in both 2009 and 2010, and AC (p < 0.01, R2 = 11.25%) and trough viscosity (p < 0.01, R2 = 20.43) in 2010. This study provides a new perspective of allele mining for breeding strategies based on marker-assisted selection.
100KW DC Arc Plasma of CVD System for Low Cost Large Area Diamond Film Deposition
Lu, F.X.,Zhong, G.F.,Fu, Y.L.,Wang, J.J.,Tang, W.Z.,Li, G.H.,Lo, T.L.,Zhang, Y.G.,Zang, J.M.,Pan, C.H.,Tang, C.X.,Lu, Y.P. The Korean Ceramic Society 1996 The Korean journal of ceramics Vol.2 No.4
In the present paper, a new type of DC arc plasma torch is disclosed. The principles of the new magnetic and fluid dynamic controlled large orifice long discharge tunnel plasma torch is discussed. Two series of DC Plasma Jet diamond film deposition equipment have been developed. The 20kW Jet equipped with a $\Phi$70 mm orifice torch is capable of deposition diamond films at a growth rate as high as 40$\mu\textrm{m}$/h over a substrate area of $\Phi$65 mm. The 100kW high power Jet which is newly developed based on the experience of the low power model is equipped with a $\Phi$120 mm orifice torch, and is capable of depositing diamond films over a substrate area of $\Phi$110 mm at growth rate as high as 40 $\mu\textrm{m}$/h, and can be operated at gas recycling mode, which allows 95% of the gases be recycled. It is demonstrated that the new type DC plasma torch can be easily scaled up to even higher power Jet. It is estimated that even by the 100kW Jet, the cost for tool grade diamond films can be as low as less than $4/carat.
Study on Interest Coordination Mechanism of Green Supply Chain Based on Dynamic Game
Lu fu-cai,Chen si-hua,He wei 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.9
Green supply chain which aims at utilizing industrial waste is an effective form of circular economy and practical response to Chinese government’s call for establishment of conservation-oriented society. However, how to coordinate interests of members in green supply chain is a tricky but key problem for the smooth operation of green supply chain. Based on a multi-stage dynamic game model of green supply chain, this paper explores the interest relationship between government and manufacturers, that among manufacturers and that between manufacturers and retailers. Furthermore, this paper `proposes measures and conditions to ensure effective operation of green supply chain and intends to offer references for product pricing of green supply chain, coordination of members of green supply chain as well as governmental environment policy formulation.
Fu-Hao Lu,박용진,권순욱,윤민영,Ki-Taek Kim,조명철,Moo-Kyung Yoon 한국분자세포생물학회 2012 Molecules and cells Vol.34 No.1
Red pepper, Capsicum annuum L., has been attracting geneticists’ and breeders’ attention as one of the impor-tant agronomic crops. This study was to integrate 41 SNP markers newly developed from comparative transcriptomes into a previous linkage map, and map 12 agronomic and morphological traits into the integrated map. A total of 39 markers found precise position and were assigned to 13 linkage groups (LGs) as well as the unassigned LGe, leading to total 458 molecular markers present in this genetic map. Linkage mapping was supported by the physical mapping to tomato and potato genomes using BLAST retrieving, revealing at least two-thirds of the markers mapped to the corresponding LGs. A sum of 23 quantitative trait loci from 11 traits was detected using the composite interval mapping algorithm. A consistent interval between a035_1 and a170_1 on LG5 was detected as a main-effect locus among the resistance QTLs to Phytophthora capsici at high-, intermediate- and low-level tests, and interactions between the QTLs for high-level resistance test were found. Considering the epistatic effect, those QTLs could explain up to 98.25% of the phenotype variations of resistance. Moreover, 17 QTLs for another eight traits were found to locate on LG3, 4, and 12 mostly with varying phenotypic contribution. Furthermore, the locus for corolla color was mapped to LG10 as a marker. The integrated map and the QTLs identified would be helpful for current genetics research and crop breeding, espe-cially in the Solanaceae family.
LU, FU-HAO,PARK, YONG-JIN Cambridge University Press 2012 Genetics research Vol.94 No.4
<B>Summary</B><P>Sequence-based variations in starch synthesis-related genes (SSRGs) exert a basic influence on the determination of eating quality in rice (<I>Oryza sativa</I> L.). This study aimed to investigate the relationship between the sequence variations from parts of 10 SSRGs and the amylose content (AC) plus rapid viscosity analysis (RVA) profiles in a heuristic rice core set by association mapping (AM). In total, 86 sequence variations were found in 10 sequenced amplicons, including 79 single-nucleotide polymorphisms (SNPs), six insertion-deletions (InDels) and one polymorphic simple sequence repeat (SSR). Among them, 61 variations were exon-based, of which 41 should lead to amino acid changes. Four subpopulations were revealed by population structure analysis based on 170 genome-wide SSR genotypes. The final AM showed a sum of four significant associations between three phenotypic indices and three sequence variations. An <I>ADP-glucose pyrophosphorylase small unit 1</I> (<I>OsAGPS1</I>) SNP (A-G) was significantly associated with increased AC (<I>P</I><0·001, <I>R</I><SUP>2</SUP>=15·6%), while a 12-bp deletion of <I>AGPase large unit 4</I> (<I>OsAGPL4</I>) was significantly related to the decreased breakdown viscosity (BDV) (<I>P</I><0·001, <I>R</I><SUP>2</SUP>=16·6%) in both general linear model (GLM) and mixed linear model (MLM). This study provides a new perspective of allele mining for breeding strategies based on marker-assisted selection.</P>
Esophageal/Gastric Cancer Screening in High-risk Populations in Henan Province, China
Lu, Yu-Fei,Liu, Zhi-Cai,Li, Zhong-Hong,Ma, Wen-Hao,Wang, Fu-Rang,Zhang, Ya-Bing,Lu, Jian-Bang Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
Objective: To summarize the endoscopic screening findings in high-risk population of esophageal and gastric carcinoma and analyze influential factors related to screening. Methods: In seven selected cities and counties with high incidences of esophageal carcinoma, people at age of 40-69 were set as the target population. Those with gastroscopy contradictions were excluded, and all who were voluntary and willing to comply with the medical requirements were subjected to endoscopic screening and histological examination for esophageal, gastric cardia and gastric carcinoma in accordance with national technical manual for early detection and treatment of cancer. Results: In three years, 36,154 people were screened, and 16,847 (46.60%) cases were found to have precancerous lesions. A total of 875 cases were found to have cancers (2.42%), and among them 739 cases had early stage with an early diagnosis rate is 84.5%. Some 715 patients underwent prompt treatment and the success rate was 81.8%. Conclusions: In a high-risk population of esophageal and gastric carcinoma, it is feasible to implement early detection and treatment by endoscopic screening. Screening can identify potential invasive carcinoma, early stage carcinoma and precancerous lesions, improving efficacy through early detection and treatment. The exploratory analysis of related influential factors will help broad implementation of early detection and treatment for esophageal and gastric carcinoma.
Lu Fu-Hao,조영일,김태산,박용진,정종욱 한국국제농업개발학회 2009 韓國國際農業開發學會誌 Vol.21 No.4
The population structure of domesticated rice can be influenced by the natural history of populations of predomesticated ancestors as well as by the breeding system and complexity of breeding practices exercised by humans. This study was conducted to assess the genetic diversity and population structure of 78 American rice accessions using 29 simple sequence repeat markers. A total of 281 alleles were detected, and the number of alleles per marker locus ranged from 2 to 24, with an average of 9.7. The genetic diversity and polymorphism information content values averaged 0.69 and 0.66, with ranges of 0.32 to 0.94 and 0.30 to 0.94, respectively. The average heterozygosity was 0.70. Model-based structure analysis revealed the presence of three subpopulations, which is basically consistent with clustering based on genetic distance. The results could be used for future rice allele mining, association mapping and cloning of gene(s), germplasm conservation, and effective breeding programs.