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      Design and characterization of molecular tools for a Synthetic Biology approach towards developing cyanobacterial biotechnology

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          Abstract

          Cyanobacteria are suitable for sustainable, solar-powered biotechnological applications. Synthetic biology connects biology with computational design and an engineering perspective, but requires efficient tools and information about the function of biological parts and systems. To enable the development of cyanobacterial Synthetic Biology, several molecular tools were developed and characterized: (i) a broad-host-range BioBrick shuttle vector, pPMQAK1, was constructed and confirmed to replicate in Escherichia coli and three different cyanobacterial strains. (ii) The fluorescent proteins Cerulean, GFPmut3B and EYFP have been demonstrated to work as reporter proteins in cyanobacteria, in spite of the strong background of photosynthetic pigments. (iii) Several promoters, like P rnpB and variants of P rbcL , and a version of the promoter P trc with two operators for enhanced repression, were developed and characterized in Synechocystis sp. strain PCC6803. (iv) It was shown that a system for targeted protein degradation, which is needed to enable dynamic expression studies, is working in Synechocystis sp. strain PCC6803. The pPMQAK1 shuttle vector allows the use of the growing numbers of BioBrick parts in many prokaryotes, and the other tools herein implemented facilitate the development of new parts and systems in cyanobacteria.

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          Most cited references65

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          Molecular Cloning : A Laboratory Manual

          <p>The first two editions of this manual have been mainstays of molecular biology for nearly twenty years, with an unrivalled reputation for reliability, accuracy, and clarity.<br>In this new edition, authors Joseph Sambrook and David Russell have completely updated the book, revising every protocol and adding a mass of new material, to broaden its scope and maintain its unbeatable value for studies in genetics, molecular cell biology, developmental biology, microbiology, neuroscience, and immunology.<br>Handsomely redesigned and presented in new bindings of proven durability, this three–volume work is essential for everyone using today’s biomolecular techniques.<br>The opening chapters describe essential techniques, some well–established, some new, that are used every day in the best laboratories for isolating, analyzing and cloning DNA molecules, both large and small.<br>These are followed by chapters on cDNA cloning and exon trapping, amplification of DNA, generation and use of nucleic acid probes, mutagenesis, and DNA sequencing.<br>The concluding chapters deal with methods to screen expression libraries, express cloned genes in both prokaryotes and eukaryotic cells, analyze transcripts and proteins, and detect protein–protein interactions.<br>The Appendix is a compendium of reagents, vectors, media, technical suppliers, kits, electronic resources and other essential information.<br>As in earlier editions, this is the only manual that explains how to achieve success in cloning and provides a wealth of information about why techniques work, how they were first developed, and how they have evolved. </p>
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            Foundations for engineering biology.

            Drew Endy (2005)
            Engineered biological systems have been used to manipulate information, construct materials, process chemicals, produce energy, provide food, and help maintain or enhance human health and our environment. Unfortunately, our ability to quickly and reliably engineer biological systems that behave as expected remains quite limited. Foundational technologies that make routine the engineering of biology are needed. Vibrant, open research communities and strategic leadership are necessary to ensure that the development and application of biological technologies remains overwhelmingly constructive.
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              Purification and properties of unicellular blue-green algae (order Chroococcales).

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                Author and article information

                Journal
                Nucleic Acids Res
                nar
                nar
                Nucleic Acids Research
                Oxford University Press
                0305-1048
                1362-4962
                May 2010
                May 2010
                17 March 2010
                17 March 2010
                : 38
                : 8
                : 2577-2593
                Affiliations
                Department of Photochemistry and Molecular Science, Ångström Laboratories, Uppsala University, P.O. Box 523, SE-751 20 Uppsala, Sweden
                Author notes
                *To whom correspondence should be addressed. Tel: +46 18 471 6587; Fax: +46 18 471 6844; Email: thorsten.heidorn@ 123456fotomol.uu.se

                The authors wish it to be known that, in their opinion, the first two authors should be regarded as joint First Authors.

                Article
                gkq164
                10.1093/nar/gkq164
                2860132
                20236988
                2d030300-b536-4d39-b066-808b5ee3912f
                © The Author(s) 2010. Published by Oxford University Press.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 18 January 2010
                : 28 February 2010
                : 1 March 2010
                Categories
                Synthetic Biology and Chemistry

                Genetics
                Genetics

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