parallel cloning
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2021 ◽  
Author(s):  
Tom Z Emrich-Mills ◽  
Gary Yates ◽  
James Barrett ◽  
Philipp Girr ◽  
Irina Grouneva ◽  
...  

Abstract The ability to clone genes has greatly advanced cell and molecular biology research, enabling researchers to generate fluorescent protein fusions for localization and confirm genetic causation by mutant complementation. Most gene cloning is PCR or DNA synthesis dependent, which can become costly and technically challenging as genes increase in size, particularly if they contain complex regions. This has been a long-standing challenge for the Chlamydomonas reinhardtii research community, as this alga has a high percentage of genes containing complex sequence structures. Here we overcame these challenges by developing a recombineering pipeline for the rapid parallel cloning of genes from a Chlamydomonas bacterial artificial chromosome collection. To generate fluorescent protein fusions for localization, we applied the pipeline at both batch and high-throughput scales to 203 genes related to the Chlamydomonas CO2 concentrating mechanism (CCM), with an overall cloning success rate of 77%. Cloning success was independent of gene size and complexity, with cloned genes as large as 23 kilobases. Localization of a subset of CCM targets confirmed previous mass spectrometry data, identified new pyrenoid components, and enabled complementation of mutants. We provide vectors and detailed protocols to facilitate easy adoption of this technology, which we envision will open up new possibilities in algal and plant research.



BioTechniques ◽  
2020 ◽  
Vol 69 (5) ◽  
pp. 384-387
Author(s):  
Dragana Dobrijevic ◽  
Lily A Nematollahi ◽  
Helen C Hailes ◽  
John M Ward

Here we present a modification of the widely used pET29 expression vector for use in rapid and straightforward parallel cloning via a gene replacement and Golden Gate strategy. The modification can be applied to other expression vectors for Gram-negative bacteria. We have used the modified vectors to clone large numbers of bacterial natural enzyme variants from genomic and metagenomic sources for applications in biocatalysis.



2020 ◽  
Author(s):  
Tom Emrich-Mills ◽  
Gary Yates ◽  
James Barrett ◽  
Irina Grouneva ◽  
Chun Sing Lau ◽  
...  

AbstractThe ability to clone genes has driven fundamental advances in cell and molecular biology, enabling researchers to introduce precise mutations, generate fluorescent protein fusions for localization and to confirm genetic causation by mutant complementation. Most gene cloning is PCR or DNA synthesis dependent, which can become costly and technically challenging as genes increase in size and particularly if they contain complex regions. This has been a long-standing challenge for the Chlamydomonas reinhardtii research community, with a high percentage of genes containing complex sequence structures, an average genomic GC content of 64% and gene expression requiring regular introns for stable transcription. Here we overcome these challenges via the development of a recombineering pipeline that enables the rapid parallel cloning of genes from a Chlamydomonas BAC collection. We show the method can successfully retrieve large and complex genes that PCR-based methods have previously failed to clone, including genes as large as 23 kilobases, thus making previously technically challenging genes to study now amenable to cloning. We initially applied the pipeline to 12 targets with a 92% cloning success rate. We then developed a high-throughput approach and targeted 191 genes relating to the Chlamydomonas CO2 concentrating mechanism (CCM) with an overall cloning success rate of 77% that is independent of gene size. Localization of a subset of CCM targets has confirmed previous mass spectrometry data and identified new pyrenoid components. To expand the functionality of our system, we developed a series of localization vectors that enable complementation of Chlamydomonas Library Project mutants and enable protein tagging with a range of fluorophores. Vectors and detailed protocols are available to facilitate the easy adoption of this method by the Chlamydomonas research community. We envision that this technology will open up new possibilities in algal and plant research and be complementary to the Chlamydomonas mutant library.



PLoS ONE ◽  
2013 ◽  
Vol 8 (11) ◽  
pp. e79979 ◽  
Author(s):  
Jeongmin Lee ◽  
Eugene Rha ◽  
Soo-Jin Yeom ◽  
Dae-Hee Lee ◽  
Eui-Sung Choi ◽  
...  


2013 ◽  
Vol 13 (1) ◽  
pp. 12 ◽  
Author(s):  
Judith Scholz ◽  
Hüseyin Besir ◽  
Claudia Strasser ◽  
Sabine Suppmann


Peptides ◽  
2005 ◽  
Vol 26 (12) ◽  
pp. 2624-2628 ◽  
Author(s):  
Tianbao Chen ◽  
Ron Gagliardo ◽  
Brian Walker ◽  
Mei Zhou ◽  
Chris Shaw


2003 ◽  
Vol 115 (2) ◽  
pp. 115-121 ◽  
Author(s):  
Tianbao Chen ◽  
Ronan Folan ◽  
HangFai Kwok ◽  
Edmund J. O'Kane ◽  
Anthony J. Bjourson ◽  
...  


2002 ◽  
Vol 58 (12) ◽  
pp. 2102-2108 ◽  
Author(s):  
Hai-tao Ding ◽  
Hui Ren ◽  
Qiang Chen ◽  
Gang Fang ◽  
Lan-fen Li ◽  
...  


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