Difference between revisions of "Part:BBa K3052001"
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<h1>Characterization<\h1>
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===Characterization===
  
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<p>In our study, we aim to achieve limonene and linalool synthesis in E.coli DH5 . According to 2018 team GreatBay_China’s experience, no target product was detected using gas chromatography when carrying out shake-flask fermentation with this strain induced by 25uM IPTG for 24 hours due to the lack of endogenous MVA pathways wherein GPP is produced. Thus we decided to co-express an MVA pathway. 2018 team GreatBay_China generously gave us one plasmid pJBEI6409, which contains a MVA pathway in addition to an GPPs-LS operon. We reconstructed this plasmid and get a plasmid only contains a MVA pathway.
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In our study, we aim to achieve limonene and linalool synthesis in E.coli DH5 . According to 2018 team GreatBay_China’s experience, no target product was detected using gas chromatography when carrying out shake-flask fermentation with this strain induced by 25uM IPTG for 24 hours due to the lack of endogenous MVA pathways wherein GPP is produced. Thus we decided to co-express an MVA pathway. 2018 team GreatBay_China generously gave us one plasmid pJBEI6409, which contains a MVA pathway in addition to an GPPs-LS operon. We reconstructed this plasmid and get a plasmid only contains a MVA pathway.
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<div>[[File:T—UCAS-China—LIGHT AND LIGHT.png |700px|thumb|center|<b>Figure 1:</b>Relationship between the wavelength of light exposed on liquid medium and the intensity of BFP, GFP and RFP E. coli expressed from left figure to right figure respectively]]</div>

Revision as of 13:33, 15 October 2019


(4S)-limonene synthase

The limonene synthase (LS) sequence used throughout our project which converts GPP to limonene is an E. coli codon-optimized version of a truncated sequence from M. spicata previously described(Hyatt et al., 2007).

Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


Characterization

In our study, we aim to achieve limonene and linalool synthesis in E.coli DH5 . According to 2018 team GreatBay_China’s experience, no target product was detected using gas chromatography when carrying out shake-flask fermentation with this strain induced by 25uM IPTG for 24 hours due to the lack of endogenous MVA pathways wherein GPP is produced. Thus we decided to co-express an MVA pathway. 2018 team GreatBay_China generously gave us one plasmid pJBEI6409, which contains a MVA pathway in addition to an GPPs-LS operon. We reconstructed this plasmid and get a plasmid only contains a MVA pathway.


Figure 1:Relationship between the wavelength of light exposed on liquid medium and the intensity of BFP, GFP and RFP E. coli expressed from left figure to right figure respectively