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  1. Original article

    Production, partial optimization and characterization of keratinase enzyme by Arthrobacter sp. NFH5 isolated from soil samples

    The study was conducted to select the best promising keratinolytic bacterial strain. A good keratinase positive bacterium isolated from the soil samples of Hazaribagh tannery industrial zone, Dhaka was identif...

    Nirmal Chandra Barman, Fatema Tuj Zohora, Keshob Chandra Das, Md. Golam Mowla, Nilufa Akhter Banu, Md. Salimullah and Abu Hashem

    AMB Express 2017 7:181

    Published on: 21 September 2017

  2. Original article

    Screening, isolation and molecular identification of biodegrading mycobacteria from Iranian ecosystems and analysis of their biodegradation activity

    Anthropogenic origin pollutants including pesticides, heavy metals, pharmaceuticals and industry chemicals impose many risks to human health and environment and bioremediation has been considered the strategy ...

    Davood Azadi, Hasan Shojaei, Sina Mobasherizadeh and Abass Daei Naser

    AMB Express 2017 7:180

    Published on: 20 September 2017

  3. Original article

    Evaluation of the impact of six different DNA extraction methods for the representation of the microbial community associated with human chronic wound infections using a gel-based DNA profiling method

    Infected chronic wounds are polymicrobial in nature which include a diverse group of aerobic and anaerobic microorganisms. Majority of these communal microorganisms are difficult to grow in vitro. DNA fingerpr...

    Ayomi Dilhari, Asanga Sampath, Chinthika Gunasekara, Neluka Fernando, Deepaka Weerasekara, Chris Sissons, Andrew McBain and Manjula Weerasekera

    AMB Express 2017 7:179

    Published on: 19 September 2017

  4. Erratum

    Erratum to: Development of a circulation direct sampling and monitoring system for O2 and CO2 concentrations in the gas–liquid phases of shake‑flask systems during microbial cell culture

    Following publication of the original article (Takahashi et al. 2017), the authors reported that there was a mistake in the legend of Figure 2.

    Masato Takahashi, Yoshisuke Sawada and Hideki Aoyagi

    AMB Express 2017 7:175

    Published on: 18 September 2017

    The original article was published in AMB Express 2017 7:163

  5. Original article

    The effects of climate, catchment land use and local factors on the abundance and community structure of sediment ammonia-oxidizing microorganisms in Yangtze lakes

    Ammonia-oxidizing archaea (AOA) and bacteria (AOB) play important roles in regulating the nitrification process in lake ecosystems. However, the relative effects of climate, catchment land use and local condit...

    Xiaoliang Jiang, Yujing Wu, Guihua Liu, Wenzhi Liu and Bei Lu

    AMB Express 2017 7:173

    Published on: 13 September 2017

  6. Original article

    Improving extracellular production of Serratia marcescens lytic polysaccharide monooxygenase CBP21 and Aeromonas veronii B565 chitinase Chi92 in Escherichia coli and their synergism

    Lytic polysaccharide monooxygenases (LPMOs) can oxidize recalcitrant polysaccharides and boost the conversion of the second most abundant polysaccharide chitin by chitinase. In this study, we aimed to achieve ...

    Yalin Yang, Juan Li, Xuewei Liu, Xingliang Pan, Junxiu Hou, Chao Ran and Zhigang Zhou

    AMB Express 2017 7:170

    Published on: 7 September 2017

  7. Original article

    Application of the thermostable β-galactosidase, BgaB, from Geobacillus stearothermophilus as a versatile reporter under anaerobic and aerobic conditions

    Use of thermophilic organisms has a range of advantages, but the significant lack of engineering tools limits their applications. Here we show that β-galactosidase from Geobacillus stearothermophilus (BgaB) can b...

    Torbjørn Ølshøj Jensen, Ivan Pogrebnyakov, Kristoffer Bach Falkenberg, Stephanie Redl and Alex Toftgaard Nielsen

    AMB Express 2017 7:169

    Published on: 6 September 2017

  8. Original article

    Comparison of the bacterial community composition in the granular and the suspended phase of sequencing batch reactors

    Granulation of activated sludge is an increasingly important area within the field of wastewater treatment. Granulation is usually achieved by high hydraulic selection pressure, which results in the wash-out o...

    Enikö Szabó, Raquel Liébana, Malte Hermansson, Oskar Modin, Frank Persson and Britt-Marie Wilén

    AMB Express 2017 7:168

    Published on: 5 September 2017

  9. Original article

    Identification, heterologous expression and characterization of a dye-decolorizing peroxidase of Pleurotus sapidus

    The coding sequence of a peroxidase from the secretome of Pleurotus sapidus was cloned from a cDNA library. Bioinformatic analyses revealed an open reading frame of 1551 bp corresponding to a primary translation ...

    Christiane Lauber, Tatiana Schwarz, Quoc Khanh Nguyen, Patrick Lorenz, Guenter Lochnit and Holger Zorn

    AMB Express 2017 7:164

    Published on: 23 August 2017

  10. Original article

    Development of a circulation direct sampling and monitoring system for O2 and CO2 concentrations in the gas–liquid phases of shake-flask systems during microbial cell culture

    Monitoring the environmental factors during shake-flask culture of microorganisms can help to optimise the initial steps of bioprocess development. Herein, we developed a circulation direct monitoring and samp...

    Masato Takahashi, Yoshisuke Sawada and Hideki Aoyagi

    AMB Express 2017 7:163

    Published on: 23 August 2017

    The Erratum to this article has been published in AMB Express 2017 7:175

  11. Original article

    A two-stage temperature control strategy enhances extracellular secretion of recombinant α-cyclodextrin glucosyltransferase in Escherichia coli

    The effects of temperature on extracellular secretion of the α-cyclodextrin glucosyltransferase (α-CGTase) from Paenibacillus macerans JFB05-01 by Escherichia coli were investigated. When protein expression was i...

    Yang Li, Jia Liu, Yinglan Wang, Bingjie Liu, Xiaofang Xie, Rui Jia, Caiming Li and Zhaofeng Li

    AMB Express 2017 7:165

    Published on: 23 August 2017

  12. Original article

    Boosting isoprene production via heterologous expression of the Kudzu isoprene synthase gene (kIspS) into Bacillus spp. cell factory

    Isoprene represents a key building block for the production of valuable materials such as latex, synthetic rubber or pharmaceutical precursors and serves as basis for advanced biofuel production. To enhance th...

    Lamis Gomaa, Michael E. Loscar, Haggag S. Zein, Nahed Abdel-Ghaffar, Abdelhadi A. Abdelhadi, Ali S. Abdelaal and Naglaa A. Abdallah

    AMB Express 2017 7:161

    Published on: 8 August 2017

  13. Original article

    Characterization of natural co-cultures of Piromyces with Methanobrevibacter ruminantium from yaks grazing on the Qinghai-Tibetan Plateau: a microbial consortium with high potential in plant biomass degradation

    Anaerobic fungi reside in the gut of herbivore and synergize with associated methanogenic archaea to decompose ingested plant biomass. Despite their potential for use in bioconversion industry, only a few natu...

    Ya-Qin Wei, Hong-Jian Yang, Rui-Jun Long, Zhi-Ye Wang, Bin-Bin Cao, Qin-Chang Ren and Tian-Tian Wu

    AMB Express 2017 7:160

    Published on: 7 August 2017

  14. Original article

    Optimization of photochemical decomposition acetamiprid pesticide from aqueous solutions and effluent toxicity assessment by Pseudomonas aeruginosa BCRC using response surface methodology

    Contamination of water resources by acetamiprid pesticide is considered one of the main environmental problems. The aim of this study was the optimization of acetamiprid removal from aqueous solutions by TiO2/Fe3

    Ali Toolabi, Mohammad Malakootian, Mohammad Taghi Ghaneian, Ali Esrafili, Mohammad Hassan Ehrampoush, Maesome Tabatabaei and Mohsen AskarShahi

    AMB Express 2017 7:159

    Published on: 4 August 2017

  15. Original article

    Comparative analysis of stirred catalytic basket bio-reactor for the production of bio-ethanol using free and immobilized Saccharomyces cerevisiae cells

    The successful industrial production of ethanol and fine chemicals requires the development of new biocatalytic reactors and support materials to achieve economically viable processes. In this work, a Stirred-...

    Amir Hussain, Martin Kangwa and Marcelo Fernandez-Lahore

    AMB Express 2017 7:158

    Published on: 28 July 2017

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