Difference between revisions of "Team:NEU China A/Safety"

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<h1> Safety </h1>
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<div class="section hold"></div>
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<p>Please visit the <a href="https://2018.igem.org/Safety">Safety Hub</a> to find this year's safety requirements & deadlines, and to learn about safe & responsible research in iGEM.</p>
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<p>On this page of your wiki, you should write about how you are addressing any safety issues in your project. The wiki is a place where you can <strong>go beyond the questions on the safety forms</strong>, and write about whatever safety topics are most interesting in your project. (You do not need to copy your safety forms onto this wiki page.)</p>
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        <h2 style="padding-left:200px; padding-top:calc(100vh - 250px)">Safety</h2>
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            <img class="responsive-img" src="https://static.igem.org/mediawiki/2018/7/71/T--NEU_China_A--safety.jpg">
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        </div>
  
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<div class="column two_thirds_size">
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    </div>
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<h3>Safe Project Design</h3>
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<p>Does your project include any safety features? Have you made certain decisions about the design to reduce risks? Write about them here! For example:</p>
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<ul>
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<li>Choosing a non-pathogenic chassis</li>
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<li>Choosing parts that will not harm humans / animals / plants</li>
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<li>Substituting safer materials for dangerous materials in a proof-of-concept experiment</li>
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<li>Including an "induced lethality" or "kill-switch" device</li>
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</ul>
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<h3>Safe Lab Work</h3>
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    <h3 class="header light-blue-text">Safety</h3>
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    <br />
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<p>What safety procedures do you use every day in the lab? Did you perform any unusual experiments, or face any unusual safety issues? Write about them here!</p>
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    <div class="row">
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        <h4 class="header light-blue-text">
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            Safe Project Design
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        </h4>
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        <br/>
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        <div class="s10 offset-s2">
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            <span class="flow-text light-blue-text">
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                1.Choosing a non-pathogenic chassis
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            </span>
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        </div>
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        <br/>
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        <div class="s10 offset-s2">
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            <p class="borderleft">
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                Just shown in the project design chassis section, we chose a safe chassis of <i>E. coli Nissle</i> 1917 and
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                hope to use the genome-modified strain of <i>Nissle SYNB1618</i> in the future. This strain lacks colonization
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                ability and will be emptied within 48 hours. Experimentally, we only used the common <i>DH5α</i> and <i>BL21</i>
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                Escherichia coli strain to test our system.
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            </p>
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        </div>
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        <br/>
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        <br />
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        <div class="s10 offset-s2">
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            <span class="flow-text light-blue-text">
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                2.Choosing parts that will be environmentally friendly
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            </span>
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        </div>
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        <br />
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        <div class="s10 offset-s2">
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            <p class="borderleft">
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                The interleukin-10 which we choose to produce is a natural immunosuppressive agent that is secreted
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                under controlled conditions, therefore does not cause harm. IL-10 has been used by the past iGEM teams.
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                For myrosinase, it is a natural component in cruciferous plants. It converts glucosinolates into
 +
                sulforaphane to exert anti-cancer and inflammation-inhibiting effects. Similarly, people will be
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                exposed to sulforaphane when eating vegetables such as broccoli and kale.
 +
                <br />
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                Meanwhile, all of our experiments are carried out cautiously, and we don't arbitrarily manipulate model
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                until we are sure that our parts will perform the correct function. For example, we would first use GFP
 +
                and blue chromoprotein (amilCP) rather than a real-world anti-inflammatory or anti-tumor molecular to
 +
                establish the model, also we would first use fluorescent proteins indicating our responses/outputs
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                rather than IL-10 or myrosinase.
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            </p>
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        </div>
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        <br />
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        <br />
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        <div class="s10 offset-s2">
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            <span class="flow-text light-blue-text">
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                3.Kill switch
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            </span>
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        </div>
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        <br/>
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        <div class="s10 offset-s2">
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            <p class="borderleft">
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                There are a lot of fears in the general public's mind when it comes to genetics and genetically
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                modified organisms. One problem that arises with most of these systems are not tackling the problem of
 +
                biorthogonal DNA escaping into the environment after cell death. In view of these security issues, we
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                added a kill switch device to our project. We use cold shock expression of the toxic protein mazF to
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                prevent the harm caused by potentially leaking engineering bacteria.
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            </p>
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        </div>
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        <br />
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        <br />
  
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<h3>Safe Shipment</h3>
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        <h4 class="header light-blue-text">
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            Safe Lab Work
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        </h4>
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        <br/>
  
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<p>Did you face any safety problems in sending your DNA parts to the Registry? How did you solve those problems?</p>
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        <div class="s10 offset-s2">
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            <p class="borderleft">
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                All the Labs we used contain the correct collective protective equipment. Before we carried out our
 +
                experiments, all of our team members had received lab safety training, including standard experimental
 +
                protocols, proper disposal of biological and chemical waste and so on. Each of us, at the moment we got
 +
                into the Lab, attended to the use of the right individual safety equipment and clothing. Furthermore,
 +
                in order to ensure complete protection, one has to pay attention to personal hygiene, hand washing is
 +
                required after each completed job and before leaving the lab.
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            </p>
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        </div>
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Latest revision as of 03:21, 18 October 2018

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Safety

Safety


Safe Project Design


1.Choosing a non-pathogenic chassis

Just shown in the project design chassis section, we chose a safe chassis of E. coli Nissle 1917 and hope to use the genome-modified strain of Nissle SYNB1618 in the future. This strain lacks colonization ability and will be emptied within 48 hours. Experimentally, we only used the common DH5α and BL21 Escherichia coli strain to test our system.



2.Choosing parts that will be environmentally friendly

The interleukin-10 which we choose to produce is a natural immunosuppressive agent that is secreted under controlled conditions, therefore does not cause harm. IL-10 has been used by the past iGEM teams. For myrosinase, it is a natural component in cruciferous plants. It converts glucosinolates into sulforaphane to exert anti-cancer and inflammation-inhibiting effects. Similarly, people will be exposed to sulforaphane when eating vegetables such as broccoli and kale.
Meanwhile, all of our experiments are carried out cautiously, and we don't arbitrarily manipulate model until we are sure that our parts will perform the correct function. For example, we would first use GFP and blue chromoprotein (amilCP) rather than a real-world anti-inflammatory or anti-tumor molecular to establish the model, also we would first use fluorescent proteins indicating our responses/outputs rather than IL-10 or myrosinase.



3.Kill switch

There are a lot of fears in the general public's mind when it comes to genetics and genetically modified organisms. One problem that arises with most of these systems are not tackling the problem of biorthogonal DNA escaping into the environment after cell death. In view of these security issues, we added a kill switch device to our project. We use cold shock expression of the toxic protein mazF to prevent the harm caused by potentially leaking engineering bacteria.



Safe Lab Work


All the Labs we used contain the correct collective protective equipment. Before we carried out our experiments, all of our team members had received lab safety training, including standard experimental protocols, proper disposal of biological and chemical waste and so on. Each of us, at the moment we got into the Lab, attended to the use of the right individual safety equipment and clothing. Furthermore, in order to ensure complete protection, one has to pay attention to personal hygiene, hand washing is required after each completed job and before leaving the lab.