Difference between revisions of "Team:Newcastle/Demonstrate"

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     <section id='overview' class="s-services">
 
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                 <h1 class="display-2">Key Milestones</h1>
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                 <h1 class="display-2">Alternative Roots: A Summary</h1>
 
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                             <h3 class="subhead">Overview</h3>
 
                             <h3 class="subhead">Overview</h3>
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                 <p style="font-size:20px;">Alternative Roots is a mulit-component project proposing that plant endophytes - microbes that live harmlessly within plant tissues - can be engineered to enhance beneficial plant : microbial interactions. This may be achieved, for example, by engineering plant endophytes to synthesise chemoattractants of free-living, nitrogen-fixing bacteria. We examined both the feasibility of the biology and considered how this technology might be viably deployed in our local community. Here we highlight some of the conclusions from our work.
            <div class="col-full">
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                 <p style="font-size:20px;">Alternative roots is a mulit-component project proposing that plant endophytes - microbes that live harmlessly within plant tissues - can be engineered to enhance beneficial plant : microbial interactions. This may be achieved, for example, by engineering plant endophytes to synthesise chemoattractants of free-living, nitrogen fixing bacteria. We examined both the feasibility of the biology and considered how this technology might be viably deployed in our local community. Here we highlight some of the conclusions from our work:
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                             <h3 class="subhead">Chassis Development</h3>
 
                             <h3 class="subhead">Chassis Development</h3>
                <h1 class="display-2"></h1>
 
                </div>
 
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                 <ol>
 
                 <ol>
                     <li>We have demonstrated colonisation of plant tissues by our Pseudomonas sp.</li>
+
                     <li class="li-style">We have demonstrated <a href="https://2018.igem.org/Team:Newcastle/Results/Endophyte1" class="black">root colonisation</a> by our <i>Pseudomonas</i> species.</li>
                     <li>We have demonstrated that this species is genetically transformable.</li>
+
                     <li class="li-style">We have demonstrated that this <i>Pseudomonas</i> species <a href="https://2018.igem.org/Team:Newcastle/Results/Endophyte#Transformation" class="black">is genetically transformable</a>.</li>
                     <li>We have demonstrated that transformed our Pseudomonas sp. can colonise root tissues.</li>
+
                     <li class="li-style">Importantly, we have demonstrated that our genetically transformed <i>Pseudomonas</i> <a href="https://2018.igem.org/Team:Newcastle/Results/Endophyte1" class="black">can colonise root tissues</a>.</li>
                     <li>We have identified an origin or replication and two selectable antibiotic markers (gentamicin and streptomycin) that can be used with our Pseudomonas sp.</li>
+
                     <li class="li-style">We have identified an <a href="https://2018.igem.org/Team:Newcastle/Results/Endophyte#Transformation" class="black">origin of replication</a> and <a href="https://2018.igem.org/Team:Newcastle/Results/Endophyte#antibiotic_testing" class="black">two selection methods</a> (gentamicin and streptomycin) that can be used with this <i>Pseudomonas</i> chassis.</li>
  
 
                 </ol>
 
                 </ol>
  
  
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                            <h3 class="subhead">Microbial Community Engineering</h3>
 
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<h3 class="subhead">Microbial Community Engineering</h3>
  
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            <div class="col-full">
 
 
                 <ol>
 
                 <ol>
                     <li>We have characterised the responses of three free-living, nitrogen fixing bacteria to the chemoattractant naringenin and demonstrated that two are attracted to this flavonoid.</li>
+
                     <li class="li-style">We have characterised the responses of three free-living, nitrogen-fixing bacteria to the chemoattractant naringenin and <a href="https://2018.igem.org/Team:Newcastle/Results/Chemotaxis" class="black">demonstrated that two are attracted to this flavonoid</a>.</li>
                     <li>In tandem with our experimental characterisation we have built an Agent Based Model that indicates that naringenin biosynthesis by a plant endophyte would result in the formation of a biofilm by N2-fixing bacteria.</li>
+
                     <li class="li-style">In tandem with our experimental characterisation we have built an <a href="https://2018.igem.org/Team:Newcastle/Modelling/Community" class="black">agent-based model</a> that indicates that naringenin biosynthesis by a plant endophyte would result in the formation of a biofilm by N<sub>2</sub> -fixing bacteria.</li>
 +
                    <li class="li-style">We have built a <a href="https://2018.igem.org/Team:Newcastle/Naringenin_Pathway" class="black">kinetic model</a> describing flux through the naringenin biosynthetic pathway demonstrating an improved design for balancing flux, creating two, two-gene operons instead of a single, four-gene operon.</li>
 
                 </ol>
 
                 </ol>
  
  
  
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                             <h3 class="subhead">Measurement, Automation and Reproducibility
                <div class="col-full">
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                             <h3 class="subhead">Metabolic Engineering</h3>
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                <ol>
 
                    <li>We have assembled a four gene operon coding for the naringenin biosynthetic pathway, but were unable to test this experimentally…</li>
 
                    <li> …however, we have built a kinetic model describing pathway flux that demonstrates that a better design for balancing flux can be achieved by creating two, two-gene operons instead of a single, four-gene operon.</li>
 
                </ol>
 
  
  
 
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                            <h3 class="subhead">Measurements and standards
 
 
</h3>
 
                <h1 class="display-2"></h1>
 
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        <div class="row about-desc" data-aos="fade-up">
 
            <div class="col-full">
 
 
                 <ol>
 
                 <ol>
                     <li>Any chassis development requires good characterisation and measurement. We examined how this works within the Interlab study and created an Internal Standard for each test device. Our new devices worked, and demonstrated that even simple systems such as the Interlab test devices are highly context-dependent.</li>
+
                     <li class="li-style">Any chassis development requires good characterisation and measurement. We examined how this works within the <a href="https://2018.igem.org/Team:Newcastle/InterLab" class="black">InterLab study</a> and created an Internal Standard for each test device. Our new devices worked, and demonstrated that even simple systems such as the InterLab test devices are highly context-dependent.</li>
                     <li>We demonstrated small-scale, parallel automation and optimisation of E. coli transformation protocols using the OpenTrons OT-2 robot that can now be used to optimise transformation of our Pseudomonas endophyte.</li>
+
                     <li class="li-style">We demonstrated small-scale, parallel <a href="https://2018.igem.org/Team:Newcastle/Measurement#Automation" class="black">automation and optimisation</a> of <i>E. coli</i> transformation protocols using the Opentrons OT-2 robot that can now be used to optimise transformation of our <i>Pseudomonas</i> chassis.</li>
                     <li>We have demonstrated the value of a chemically-defined media to chassis optimisation and parts characterisation.</li>
+
                     <li class="li-style">We have demonstrated the value of a chemically-defined media to chassis optimisation and parts characterisation.</li>
 
                 </ol>
 
                 </ol>
  
  
  
                </div>
+
<hr><br>
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                             <h3 class="subhead">Hardware and Software</h3>
                <div class="col-full">
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                             <h3 class="subhead">Hardware</h3>
+
                <h1 class="display-2"></h1>
+
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+
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        <div class="row about-desc" data-aos="fade-up">
 
            <div class="col-full">
 
 
                 <ol>
 
                 <ol>
                     <li>We have demonstrated a functional, low-cost programmable plant growth chamber capable of housing >1300 seedlings that permits high-throughput plant experiments and physically simulates some of the growth conditions proposed by Alternative Roots.</li>
+
                     <li class="li-style">We have demonstrated a functional, low-cost programmable <a href="https://2018.igem.org/Team:Newcastle/Hardware" class="black">plant growth chamber</a> capable of housing >1300 seedlings that permits high-throughput plant <a href="https://2018.igem.org/Team:Newcastle/Results" class="black">experiments</a> and physically simulates some of the growth conditions proposed for Newcastle's Victoria Tunnel by Alternative Roots.</li>
 +
<li class="li-style">Underpinning our development of the plant growth chamber NH-1 and use of the OT-2 robotics is the need for software. We have developed and successfully deployed code for both <a href="https://2018.igem.org/Team:Newcastle/Software/NH1" class="black">NH-1</a> and <a href="https://2018.igem.org/Team:Newcastle/Software/OT" class="black">OT-2</a>.</li>
 
                 </ol>
 
                 </ol>
  
  
  
                </div>
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                <div class="col-full">
 
 
                             <h3 class="subhead">Integrated Human Practices</h3>
 
                             <h3 class="subhead">Integrated Human Practices</h3>
                <h1 class="display-2"></h1>
 
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        <div class="row services-list block-1-2 block-tab-full">
 
 
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            <div class="col-full">
 
 
                 <ol>
 
                 <ol>
                     <li>All of this work was guided by our dialogue with those working in and around the agricultural and food production sectors We designed an underground production facility that is consistent with local legislation and iGEM safety considerations relating the use and release of genetically modified organisms and microbes.</li>
+
                     <li class="li-style">All of this work was guided by <a href="https://2018.igem.org/Team:Newcastle/Human_Practices" class="black">our dialogue</a> with those working in and around the agricultural and food production sectors. We designed an underground production facility that is consistent with local legislation and iGEM safety considerations relating the use and release of genetically modified organisms and microbes.</li>
                     <li>These plans provided an opportunity to engage with the public on issues such as local food production and different aspects of synthetic biology.</li>
+
                     <li class="li-style">These plans provided an opportunity to engage with the public on issues such as local food production and different aspects of synthetic biology.</li>
                     <li>Finally, regardless of the progress Alternative Roots makes as a synthetic biology project within the iGEM community, our project has started a conversation amongst local food producers and social movements about the potential to develop Newcastle’s largely disused Victoria Tunnels network to grow fresh, local produce for the city.</li>
+
                     <li class="li-style">Finally, regardless of the progress Alternative Roots makes as a synthetic biology project within the iGEM community, our project has started a conversation amongst local food producers and social movements about the potential to develop Newcastle’s largely disused Victoria Tunnel network to grow fresh, local produce for the city.</li>
 
                 </ol>
 
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                <h1 class="display-2">References & Attributions</h1>
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<p class="about-para"><font size="2"><strong>Attributions: Everyone
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Latest revision as of 02:24, 18 October 2018

Alternative Roots

Alternative Roots

Demonstrate

Alternative Roots: A Summary

Overview

Alternative Roots is a mulit-component project proposing that plant endophytes - microbes that live harmlessly within plant tissues - can be engineered to enhance beneficial plant : microbial interactions. This may be achieved, for example, by engineering plant endophytes to synthesise chemoattractants of free-living, nitrogen-fixing bacteria. We examined both the feasibility of the biology and considered how this technology might be viably deployed in our local community. Here we highlight some of the conclusions from our work.


Chassis Development

  1. We have demonstrated root colonisation by our Pseudomonas species.
  2. We have demonstrated that this Pseudomonas species is genetically transformable.
  3. Importantly, we have demonstrated that our genetically transformed Pseudomonas can colonise root tissues.
  4. We have identified an origin of replication and two selection methods (gentamicin and streptomycin) that can be used with this Pseudomonas chassis.


Microbial Community Engineering

  1. We have characterised the responses of three free-living, nitrogen-fixing bacteria to the chemoattractant naringenin and demonstrated that two are attracted to this flavonoid.
  2. In tandem with our experimental characterisation we have built an agent-based model that indicates that naringenin biosynthesis by a plant endophyte would result in the formation of a biofilm by N2 -fixing bacteria.
  3. We have built a kinetic model describing flux through the naringenin biosynthetic pathway demonstrating an improved design for balancing flux, creating two, two-gene operons instead of a single, four-gene operon.


Measurement, Automation and Reproducibility

  1. Any chassis development requires good characterisation and measurement. We examined how this works within the InterLab study and created an Internal Standard for each test device. Our new devices worked, and demonstrated that even simple systems such as the InterLab test devices are highly context-dependent.
  2. We demonstrated small-scale, parallel automation and optimisation of E. coli transformation protocols using the Opentrons OT-2 robot that can now be used to optimise transformation of our Pseudomonas chassis.
  3. We have demonstrated the value of a chemically-defined media to chassis optimisation and parts characterisation.


Hardware and Software

  1. We have demonstrated a functional, low-cost programmable plant growth chamber capable of housing >1300 seedlings that permits high-throughput plant experiments and physically simulates some of the growth conditions proposed for Newcastle's Victoria Tunnel by Alternative Roots.
  2. Underpinning our development of the plant growth chamber NH-1 and use of the OT-2 robotics is the need for software. We have developed and successfully deployed code for both NH-1 and OT-2.


Integrated Human Practices

  1. All of this work was guided by our dialogue with those working in and around the agricultural and food production sectors. We designed an underground production facility that is consistent with local legislation and iGEM safety considerations relating the use and release of genetically modified organisms and microbes.
  2. These plans provided an opportunity to engage with the public on issues such as local food production and different aspects of synthetic biology.
  3. Finally, regardless of the progress Alternative Roots makes as a synthetic biology project within the iGEM community, our project has started a conversation amongst local food producers and social movements about the potential to develop Newcastle’s largely disused Victoria Tunnel network to grow fresh, local produce for the city.







References & Attributions

Attributions: Everyone