Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Chao Wu Zhang"'
Publikováno v:
Advanced Materials Research. :714-721
Two inorganic compounds containing CO32- and SiO44- groups were introduced and ultrasound-aided coprecipitation method was applied to fabricate carbonated silicon-substituted hydroxyapatite (CSi-HA) nanopowder. The synthetic process was optimized and
Autor:
Qian Yu, Xin Xu, Chuan Wang, Heng-Chuan Liu, Chao-Wu Zhang, Wen Zhang, Xiaofang Pei, Guo-Qing Wang, Cheng-Yu Huang
Publikováno v:
Biotechnology Letters. 34:1067-1071
A bacterial β-galactosidase delivery system is a potential therapy for lactose intolerance. Currently, two Lactobacillus bulgaricus strains with different biological characteristics are under consideration as potential sources. However, differences
Publikováno v:
Current Microbiology. 62:639-644
Recombinant Lactococcus lactis MG1363/pMG36e-lacZ exhibiting high β-galactosidase activities were constructed by us in the previous study. However, erythromycin resistance present in these recombinants restricted their practical application in food
Publikováno v:
World Journal of Microbiology and Biotechnology. 22:693-700
To actively express an outer membrane protein, protein I (PI), from different strains of Neisseria gonorrhoeae in E.␣coli, PI gene fragments from two reference strains and four clinical isolates of Neisseria gonorrhoeae were obtained with PCR ampli
Autor:
Wen, Zhang, Chuan, Wang, Cheng Yu, Huang, Qian, Yu, Heng Chuan, Liu, Chao Wu, Zhang, Xiao Fang, Pei
Publikováno v:
Biomedical and environmental sciences : BES. 25(2)
This study is to examine the secretion effects of beta-galactosidase in Lactococcus lactis.The usp45 and beta-galactosidase genes were cloned and inserted into plasmid pMG36e to obtain the recombinant plasmid pMG36e-usp-lacZ. This recombinant plasmid
Publikováno v:
Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition. 40(1)
To construct recombinant Lactococcus lactis strains exhibiting high beta-galactosidase activity in non-fusion way, and study their enzyme activities and enzyme secretion rates.The recombinant plasmids pMG36e-lacZ 1.1480 and pMG36e-lacZ wch9901 which
Publikováno v:
Biomedical and environmental sciences : BES. 21(5)
Objective To construct four recombinant Lactococcus lactis strains exhibiting high β-galactosidase activity in fusion or non-fusion ways, and to study the influence factors for their protein expression and secretion. Methods The gene fragments encod
Publikováno v:
Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition. 39(4)
To construct the food-grade recombinant probiotic strain with high activity beta-galactosidase, the beta-galactosidase gene (lacZ)from Lactobacillus delbrueckii subsp. bulgaricus was in non-fusion expressed in Escherichia coli.From Lb. delbrueckii su
Publikováno v:
Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition. 39(2)
To screen bacteria for the engineering bacteria expressing and secreting high activity beta-galactosidase, and two bacterial strains called as R92-2 and R111 with acid and bile resistances would be isolated from health human intestine to strain ident
Publikováno v:
Zhonghua yi xue za zhi. 88(3)
To screen the suitable bacteriophage as virus indicator in irradiation sterilization.Suspensions of bacteriophage T4, phiX174D, MS2, and f2, Escherichia coli 8099, and Bacillus subtilis var.niger.sp. ATCC9372 were irradiated with (60)Co-gamma ray. Th