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<!--  Codon optimization of a gene encoding DNA polymerase from Pyrococcus furiosus and its expression in Escherichia coli ( 23 ) -->
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<mods:genre authority="sobekcm">23</mods:genre>
<mods:identifier>DOI: https://doi.org/10.1186/s43141-023-00605-7</mods:identifier>
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<mods:namePart>Nuryana, Isa </mods:namePart>
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<mods:note>&lt;p&gt;&lt;ul id=&quot;issue-navigation&quot; class=&quot;issue-navigation u-margin-s-bottom u-bg-grey1&quot; style=&quot;box-sizing: border-box; margin-top: 0px; margin-right: 0px; margin-bottom: 16px !important; margin-left: 0px; padding: 0px; list-style: none; background-color: rgb(245, 245, 245) !important; overflow: hidden; font-size: 16px; line-height: 24px; color: rgb(31, 31, 31); font-family: ElsevierSans, Arial, Helvetica, Roboto, &quot;Lucida Sans Unicode&quot;, &quot;Microsoft Sans Serif&quot;, &quot;Segoe UI Symbol&quot;, STIXGeneral, &quot;Cambria Math&quot;, &quot;Arial Unicode MS&quot;, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;&quot;&gt;&lt;li class=&quot;previous move-left u-padding-s-ver u-padding-s-left&quot; style=&quot;box-sizing: border-box; margin: 0px; padding-top: 16px !important; padding-right: 0px; padding-bottom: 16px !important; padding-left: 16px !important; float: left; left: 0px;&quot;&gt;&lt;a class=&quot;button-alternative button-alternative-tertiary u-display-flex button-alternative-icon-left&quot; href=&quot;https://www.sciencedirect.com/science/article/pii/S1687157X23009927&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; --sd-ui-button-alt-border-bottom-colour: transparent; --sd-ui-button-alt-border-bottom-colour-hover: #eb6500; --sd-ui-button-alt-border-bottom-width: 2px; --sd-ui-button-alt-colour: #1f1f1f; --sd-ui-button-alt-colour-focus: #eb6500; --sd-ui-button-alt-cursor: pointer; --sd-ui-button-alt-font-size: 1em; --sd-ui-button-alt-gap: calc(0.5em - 2px); --sd-ui-button-alt-min-width: 5.5rem; --sd-ui-button-alt-icon-background-colour: transparent; --sd-ui-button-alt-icon-background-colour-hover: transparent; 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style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; --sd-ui-line-height: calc(1em + 10px); line-height: 26px; font-family: ElsevierGulliver, Georgia, &quot;Times New Roman&quot;, Times, STIXGeneral, &quot;Cambria Math&quot;, &quot;Lucida Sans Unicode&quot;, &quot;Microsoft Sans Serif&quot;, &quot;Segoe UI Symbol&quot;, &quot;Arial Unicode MS&quot;, serif, sans-serif !important; color: rgb(31, 31, 31); font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;&quot;&gt;&lt;div class=&quot;abstract author&quot; id=&quot;ab0005&quot; style=&quot;box-sizing: border-box; margin: 0px 0px 8px; padding: 0px;&quot;&gt;&lt;div id=&quot;abs0005&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;h3 class=&quot;u-h4 u-margin-m-top u-margin-xs-bottom&quot; id=&quot;sect0010&quot; style=&quot;box-sizing: border-box; margin-top: 24px !important; margin-right: 0px; margin-bottom: 8px !important; margin-left: 0px; padding: 0px; font-weight: normal !important; font-size: 20px !important; line-height: 30px !important;&quot;&gt;Background&lt;/h3&gt;&lt;div class=&quot;u-margin-s-bottom&quot; id=&quot;sp0050&quot; style=&quot;box-sizing: border-box; margin-top: 0px; margin-right: 0px; margin-bottom: 16px !important; margin-left: 0px; padding: 0px;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/dna-polymerase&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;DNA polymerase&lt;/a&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;is an essential component in&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/immunology-and-microbiology/polymerase-chain-reaction&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;PCR&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;assay for&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/immunology-and-microbiology/dna-synthesis&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;DNA synthesis&lt;/a&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;. Improving&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/immunology-and-microbiology/dna-polymerase&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;DNA polymerase&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;with characteristics indispensable for a powerful assay is crucial because it can be used in wide-range applications. Derived from&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/pyrococcus-furiosus&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;Pyrococcus furiosus&lt;/a&gt;&lt;/span&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/em&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/phenformin&quot; title=&quot;Learn more about Pfu from ScienceDirect's AI-generated Topic Pages&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;Pfu&lt;/a&gt;&lt;/em&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/dna-polymerase&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;DNA polymerase&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;(&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Pfu&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;pol) is one of the excellent&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/polymerase&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;polymerases&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;due to its high fidelity. Therefore, we aimed to develop&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Pfu&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;pol from a&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/synthetic-dna&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;synthetic gene&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;with codon optimization to increase its protein yield in&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Escherichia coli&lt;/em&gt;.&lt;/div&gt;&lt;/div&gt;&lt;div id=&quot;abs0010&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;h3 class=&quot;u-h4 u-margin-m-top u-margin-xs-bottom&quot; id=&quot;sect0015&quot; style=&quot;box-sizing: border-box; margin-top: 24px !important; margin-right: 0px; margin-bottom: 8px !important; margin-left: 0px; padding: 0px; font-weight: normal !important; font-size: 20px !important; line-height: 30px !important;&quot;&gt;Results&lt;/h3&gt;&lt;div class=&quot;u-margin-s-bottom&quot; id=&quot;sp0055&quot; style=&quot;box-sizing: border-box; margin-top: 0px; margin-right: 0px; margin-bottom: 16px !important; margin-left: 0px; padding: 0px;&quot;&gt;Recombinant&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Pfu&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;pol was successfully expressed and purified with a two-step&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/copurification&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;purification&lt;/a&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;process using nickel&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/immunology-and-microbiology/affinity-chromatography&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;affinity chromatography&lt;/a&gt;, followed by&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/anion-exchange-chromatography&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;anion exchange chromatography&lt;/a&gt;. Subsequently, the purified&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Pfu&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;pol was confirmed by&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/western-blot&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;Western blot analysis&lt;/a&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;, resulting in a molecular weight of approximately 90 kDa. In the final purification process, we successfully obtained a large amount of purified&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/enzyme&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;enzyme&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;(26.8 mg/L). Furthermore, the purified&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Pfu&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;pol showed its functionality and efficiency when tested for&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/immunology-and-microbiology/gene-amplification&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;DNA amplification&lt;/a&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;using the standard&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/polymerase-chain-reaction&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;PCR&lt;/a&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div id=&quot;abs0015&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;h3 class=&quot;u-h4 u-margin-m-top u-margin-xs-bottom&quot; id=&quot;sect0020&quot; style=&quot;box-sizing: border-box; margin-top: 24px !important; margin-right: 0px; margin-bottom: 8px !important; margin-left: 0px; padding: 0px; font-weight: normal !important; font-size: 20px !important; line-height: 30px !important;&quot;&gt;Conclusions&lt;/h3&gt;&lt;div class=&quot;u-margin-s-bottom&quot; id=&quot;sp0060&quot; style=&quot;box-sizing: border-box; margin-top: 0px; margin-right: 0px; margin-bottom: 16px !important; margin-left: 0px; padding: 0px;&quot;&gt;Overall, a high-level expression of recombinant&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;Pfu&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;pol was achieved by employing our approach in the present study. In the future, our findings will be useful for studies on synthesizing&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/recombinant-dna&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;recombinant DNA&lt;/a&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;polymerase in&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;em style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;E. coli&lt;/em&gt;&lt;span style=&quot;box-sizing: border-box; margin: 0px; padding: 0px;&quot;&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;a href=&quot;https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/gene-expression-system&quot; class=&quot;topic-link&quot; style=&quot;box-sizing: border-box; margin: 0px; padding: 0px; background-color: rgba(0, 0, 0, 0); word-break: break-word; text-decoration: underline 1px rgb(31, 31, 31); color: rgb(31, 31, 31); text-underline-offset: 1px;&quot;&gt;expression system&lt;/a&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;</mods:note>
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<mods:publisher>Elsevier </mods:publisher>
<mods:dateIssued>December 2023</mods:dateIssued>
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<mods:topic>Journal of Genetic Engineering and Biotechnology</mods:topic>
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<mods:title>Codon optimization of a gene encoding DNA polymerase from Pyrococcus furiosus and its expression in Escherichia coli</mods:title>
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