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  1. Research

    A food-grade expression system for d-psicose 3-epimerase production in Bacillus subtilis using an alanine racemase-encoding selection marker

    Food-grade expression systems require that the resultant strains should only contain materials from food-safe microorganisms, and no antibiotic resistance marker can be utilized. To develop a food-grade expres...

    Jingqi Chen, Zhaoxia Jin, Yuanming Gai, Jibin Sun and Dawei Zhang

    Bioresources and Bioprocessing 2017 4:9

    Published on: 28 January 2017

  2. Research

    An efficient multi-stage fermentation strategy for the production of microbial oil rich in arachidonic acid in Mortierella alpina

    Fungal morphology and aeration play a significant role in the growth process of Mortierella alpina. The production of microbial oil rich in arachidonic acid (ARA) in M. alpina was enhanced by using a multi-stage ...

    Wen-Jia Wu, Ai-Hui Zhang, Chao Peng, Lu-Jing Ren, Ping Song, Ya-Dong Yu, He Huang and Xiao-Jun Ji

    Bioresources and Bioprocessing 2017 4:8

    Published on: 18 January 2017

  3. Research

    Hydrolysis of carotenoid esters from Tagetes erecta by the action of lipases from Yarrowia lipolytica

    The present study was conducted to evaluate the feasibility of enzymatic hydrolysis of carotenoid esters from Tagetes erecta using lipases from the yeast of Yarrowia lipolytica, with the aim of obtaining free lut...

    Abraham Figueiras Abdala, Alfonso Pérez Gallardo, Lorenzo Guevara Olvera and Eleazar Máximo Escamilla Silva

    Bioresources and Bioprocessing 2017 4:5

    Published on: 6 January 2017

  4. Research

    Investigation of spiral-wound membrane modules for the cross-flow nanofiltration of fermentation broth obtained from a pilot plant fermentation reactor for the continuous production of lactic acid

    The separation performance of seven polymer membranes for the nanofiltration of sodium lactate in fermentation broth was investigated. Each module was introduced into the test stand, and the system curve was o...

    Hendrik Laube, Roland Schneider and Joachim Venus

    Bioresources and Bioprocessing 2017 4:4

    Published on: 4 January 2017

  5. Research

    Stereoselective biotransformation of racemic mandelic acid using immobilized laccase and (S)-mandelate dehydrogenase

    (S)-Mandelate dehydrogenase (SMDH) and laccase were immobilized on chitosan. The bi-enzymatic system with immobilized SMDH and immobilized laccase was taken to catalyze the stereoselective transformation of ra...

    Xing Chen, Chengli Yang, Peng Wang, Xuan Zhang, Bingxin Bao, Dali Li and Ruofu Shi

    Bioresources and Bioprocessing 2017 4:2

    Published on: 3 January 2017

  6. Research

    Online flow cytometry, an interesting investigation process for monitoring lipid accumulation, dimorphism, and cells’ growth in the oleaginous yeast Yarrowia lipolytica JMY 775

    This study aims to understand and better control the main biological mechanisms and parameters modulating the various phenomena affecting Yarrowia lipolytica JMY775 and its lipids accumulation. The results obtain...

    Doria Naila Bouchedja, Sabine Danthine, Tambi Kar, Patrick Fickers, Abdelghani Boudjellal and Frank Delvigne

    Bioresources and Bioprocessing 2017 4:3

    Published on: 3 January 2017

  7. Research

    Engineering a wild-type diploid Saccharomyces cerevisiae strain for second-generation bioethanol production

    The cost-effective production of second-generation bioethanol, which is made from lignocellulosic materials, has to face the following two problems: co-fermenting xylose with glucose and enhancing the strain’s...

    Hongxing Li, Yu Shen, Meiling Wu, Jin Hou, Chunlei Jiao, Zailu Li, Xinli Liu and Xiaoming Bao

    Bioresources and Bioprocessing 2016 3:51

    Published on: 24 November 2016

  8. Short report

    Electricity generation from rice bran in microbial fuel cells

    Rice bran is a by-product of the rice milling process and mostly discarded in Japan. Although many studies have shown that microbial fuel cells (MFCs) are able to generate electricity from organic wastes, limi...

    Shu Takahashi, Morio Miyahara, Atsushi Kouzuma and Kazuya Watanabe

    Bioresources and Bioprocessing 2016 3:50

    Published on: 23 November 2016

  9. Research

    Combined 13C-assisted metabolomics and metabolic flux analysis reveals the impacts of glutamate on the central metabolism of high β-galactosidase-producing Pichia pastoris

    Pichia pastoris is a popular recombinant protein expression system for its accessibility of efficient gene manipulation and high protein production. Sufficient supply of precursors, en...

    Ping Liu, Mingzhi Huang, Menglei Guo, Jiangchao Qian, Weilu Lin, Ju Chu, Yingping Zhuang and Siliang Zhang

    Bioresources and Bioprocessing 2016 3:47

    Published on: 2 November 2016

  10. Research

    Protein expression analysis of a high-demeclocycline producing strain of Streptomyces aureofaciens and the roles of CtcH and CtcJ in demeclocycline biosynthesis

    Streptomyces aureofaciens strain A6-9, obtained with traditional mutagenesis, produces elevated levels of 6-DCT. The increased formation of 6-DCT may be attributable to the changes in ...

    Hong Li, Ruifang Ye, Guizhen Lin, Deyu Zhu and QuanGui Mao

    Bioresources and Bioprocessing 2016 3:46

    Published on: 22 September 2016

  11. Research

    Exploring productive sequence space in directed evolution using binary patterning versus conventional mutagenesis strategies

    Recent methodology development in directed evolution of stereoselective enzymes has shown that various mutagenesis strategies based on saturation mutagenesis at sites lining the binding pocket enable the gener...

    Zhoutong Sun, Pamela Torres Salas, Elina Siirola, Richard Lonsdale and Manfred T. Reetz

    Bioresources and Bioprocessing 2016 3:44

    Published on: 15 September 2016

  12. Research

    Improvement of chaetominine production by tryptophan feeding and medium optimization in submerged fermentation of Aspergillus fumigatus CY018

    Chaetominine (CHA) is a novel alkaloid with excellent medicinal activities produced by Aspergillus fumigatus CY018. However, its further application has been severely restricted by the low production yield. In th...

    Yu-peng Zhang, Rui-hua Jiao, Yan-hua Lu and Ling-yun Yao

    Bioresources and Bioprocessing 2016 3:45

    Published on: 15 September 2016

  13. Research

    Enhanced arachidonic acid production using a bioreactor culture of Mortierella alpina with a combined organic nitrogen source

    The organic nitrogen source is one of the key factors affecting Mortierella alpina cell growth as well as arachidonic acid (ARA) production. The aim of the present work is to achieve an optimized recipe of organi...

    Xue-ping Ling, Si-yu Zeng, Cui-xue Chen, Xiao-ting Liu and Ying-hua Lu

    Bioresources and Bioprocessing 2016 3:43

    Published on: 14 September 2016

  14. Research

    Preliminary integrated economic and environmental analysis of polyhydroxyalkanoates (PHAs) biosynthesis

    Being biodegradable and renewable, polyhydroxyalkanoates (PHAs), a green polymer, attract much attentions as potential alternative for conventional plastics due to increased concern towards environmental issue...

    Yoong Kit Leong, Pau Loke Show, Heng Chou Lin, Chih Kai Chang, Hwei-San Loh, John Chi-Wei Lan and Tau Chuan Ling

    Bioresources and Bioprocessing 2016 3:41

    Published on: 13 September 2016

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