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bioproduction of D-psicose using permeabilized cells of newly isolated Rhodobacter sphaeroides SK011

Frontiers of Chemical Science and Engineering 2009年第4期3卷 393-398页

作者： Longtao ZHANG Bo JIANG Wanmeng MU Tao ZHANG State Key Laboratory of Food Science and Technology Jiangnan UniversityWuxi 214122China Institute of Animal Husbandry and Veterinary Medicine Fujian Academy of Agricultural SciencesFuzhou 350013China

D-psicose exits in an extremely small amount in nature and is difficult to be chemically *** three bacteria have been used in the biotransformation of D-psicose from *** this paper,another bacterium which could convert D-fructose to D-psicose was isolated and identified as Rhodobacter *** process parameters of D-psicose production using permeabilized cells of Rhodobacter sphaeroides SK011 were optimized,including the permeabilization procedure:0.1%(w/v)CTAB,10 min,and reaction conditions:cell concentration,30 g dry cell wt/L;concentration of substrate,50 g/L;40℃,pH 9.0;reaction time,8 *** the optimized conditions,the permeabilized cells produced approximately 6.5 g/L D-psicose with a Dpsicose productivity of 0.82 g·L^(-1)·h^(-1).This is the first report of bioproduction of D-psicose using permeabilized cells of Rhodobacter sphaeroides.

关键词： bioproduction D-psicose permeabilized cells Rhodobacter sphaeroides

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3-81 Enhancement of bioproduction of Butyrate by Heavy-ion Irradiation

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IMP & HIRFL Annual Report 2014年第1期 174-174页

作者： Zhou Xiang Liang Jianping Lu Xihong Li Xuehu Xin Zhijun Wang Liang Du Wenyue Wu Zhengqian 不详

Butyric acid as a renewable resource has become an increasingly attractive alternative to petroleum based *** tyrobutyricum is well documented as a fermentation strain for the production of acids. However, it hasbeen reported that butyrate inhibits its growth, and the accumulation of acetate also inhibits biomass synthesis,making production of butyric acid from conventional fermentation processes economically challenging. The presentstudy aimed to identify whether irradiation of C. tyrobutyricum cells makes them more tolerant to butyric acidinhibition and increases the production of butyrate compared with wild type.

关键词： Enhancement bioproduction Butyrate

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Blue economy:A new era of petroleum microbiology in a changing climate

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National Science Open 2024年第1期3卷 49-74页

作者： Yiqi Cao Baiyu Zhang Guihua Dong Bing Chen The Northern Region Persistent Organic Pollution Control(NRPOP)Laboratory Faculty of Engineering and Applied ScienceMemorial University of NewfoundlandSt.John’sN.L.A1B 3X5Canada

The productivity and health of our ocean hold some good solutions to the world’s challenges in ***,climate change and waste discharge are changing the marine capacity to buffer human impacts,further challenging the marine industry,primarily in offshore oil and gas,shipping,and fishery *** encourage the blue economy,a sustainable development approach to utilize marine *** microbiology dealing with microbes that can respond,degrade,and alter crude oils,offers an unprecedented opportunity to achieve the knowledge-and science-based blue ***,the new-era petroleum microbiology for supporting the blue economy has yet to be systematically *** review introduces the climate change impacts on key marine industrial sectors,highlights the critical role of advanced petroleum microbiology in supporting sustainable development,and offers insight into the challenges and future research opportunities in availing of petroleum microbiology for benefiting our marine environment and responsible economic growth.

关键词： blue economy sustainability climate change petroleum microbes bioproduction carbon neutrality

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Influence of detergent on metabolic activity of fungi Aspergillus niger

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Natural Science 2011年第6期3卷 466-470页

作者： Jelica Stojanovic Violeta Jakovljevic Ivana Matovic Olgica Gajovic Zoran Mijuskovic Tomislav Nedeljkovic Faculty of Science University of KragujevacKragujevacSerbia Medical Faculty University of KragujevacKragujevacSerbia Military Medical Academy BelgradeSerbia

The aim of this study was to find out, among grate variety of fungi species from wastewater these which are resistant to effects of detergent and its component, ethoxyl-oleyl-cetyl alcohol and sodium tripolyphosphate. On inoculated fungi specie grown in vitro condition, in the presence of mentioned pollutant, the metabolic changes of bioproduction of different organic compounds, in various aging step of fungi, have been investigated. The results indicated sig-nificant changes in bioproduction of amino ac-ids and proteins of Aspergillus niger cultivated in the presence of detergent and its component, compared with control experiment. The results suggest that bioremediation by Aspergillus ni-ger are promising for biodegradation of deter-gents in aquatic systems.

关键词： Aspergillus Niger Detergent bioproduction Wastewater Biodegradation

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