Team:SDU-Denmark

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            The iGEM Team of University of Southern Denmark 2012
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<h1>Sucrose Limitation and Inulin Metabolism</h1>
 +
 +
<h2> Abstract</h2>
 +
<p>
 +
Obesity is associated with a low-grade inflammatory response, which among other things, is triggered by bacterial plasma lipopolysaccharide (LPS).  A high-energy diet, increases the amount of LPS-producing gut microbiota, and increased LPS levels has been observed in obese individuals. By inducing changes in the gut microbiota by prebiotics, like inulin, it is possible to decrease the plasma LPS level. This is associated with the stimulation of bifidobacterial growth. We have designed a novel approach to address this issue of plasma LPS, by probioticly induce changes in the gut flora by genetically modifying a bacteria to produce plant originated inulin. We cloned the two genes encoding sucrose:sucrose fructosyltransferase (SST) and fructan:fructan fructosyltransferase (FFT) from the Jerusalem artichoke into a E. coli, where it will produce inulin by using sucrose as an acceptor molecules. In the future this construct should be introduced by a probiotic lactobacillus, into the gut.
 +
</p>
 +
 +
<center><img src="https://static.igem.org/mediawiki/2012/6/6f/IGEM_033.gif" width="100%" /></center>
 +
<br/><br/>
 +
<h2>The story</h2>
 +
<p>
 +
<i>The team consists entirely of undergraduates and we started out with almost no experience in lab – Most of our supervisors were on vacation for the first part of our lab time, so we started from square one.<br/><br/>
 +
We have chosen to focus on the outreach and documentation section. Therefore, we have loads of videos, interviews and photos. <br/><br/>
 +
 +
Research includes many more aspects than most people expect. The wet lab is extremely important, but many teams miss an important part of what iGEM is also about - spreading the message.
 +
We, at SDU, see ourselves as pioneers in the field of Human Practices. It is a theme of great concern for the SDU iGEM Team. Therefore we have decided to make a big effort in many different areas. <br/>
 +
We've gained a lot of PR coverage, had extensive outreach, made cooperation across Germany, Scandinavia and Canada amongst others. Furthermore, we have processed philosophical thoughts about our role in society as researchers. As a novelty, in iGEM auspices, we have included marketing and law, into our project as a focal point for our project.</i></p>
 +
 +
</br></br>
 +
<h2>Not a Scientist? Here we Present the Translated Version of our Abstract</h2>
 +
<p>
 +
Obesity and its related disorders are a worldwide problem that fx costs america billions of dollars each year.
 +
Literature suggests that a high-energy diet is the reason for obesity, not only because the body is unable to use all the energy, but in fact because the “bad” bacteria in your gut feeds on it.
 +
The jerusalem artichoke produces a sugar fiber called inulin, which apart from being non-digestible to humans, helps the good bacteria in the gut to grow and is beneficial in the prevention of colon cancer.
 +
From this information we decided to produce a beneficial (probiotic) bacteria that can convert table sugar (sucrose) into this inulin fiber. If we are successful in introducing this bacteria to the human gut, we can apply many beneficial aspects relating to obesity, such as decreased hunger, fat mass, body weight, inflammations and increased satisfaction from eating.
 +
<p>
 +
 +
 +
<h1>Featured video</h1>
 +
<p>This <a href="https://2012.igem.org/Team:SDU-Denmark/collaboration/podcast">short documentary</a> is all about the ethical aspects of dealing and working with genetically modified organisms(GMO) </p>
 +
 +
<iframe width="680" height="383" src="http://www.youtube.com/embed/f7QzTsBmq4Y" frameborder="0" allowfullscreen></iframe>
 +
 +
<p>
 +
Watch more videos in our <a href="https://2012.igem.org/Team:SDU-Denmark/Media/videogallery">video gallery<a/>
 +
</p>
 +
<!--
 +
<div id="contentcolumleft">
 +
           
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            <h2>Welcome to My Online Portfolio, Have a Look Around.</h2>
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            <p>Commoveo wisi nulla pala illum melior quis. Et luptatum validus wisi ingenium humo quidne, eros lucidus dolore ea vel amet. Capto, praemitto singularis tation duis consequat. Jus vulputate ingenium mauris ut, vero. Enim suscipit exerci eligo dolus decet elit transverbero. </p>
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 +
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<h2>This is a test</h2>
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<p> and now to put some text in </p>
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 +
<p>Opto tego, distineo luptatum, amet virtus ideo bene in, vindico eum. Voco, proprius, tation jugis dolore consequat, adipiscing iusto eu, ingenium augue nimis, nostrud, lucidus. Qui tristique uxor ibidem iriure bis praesent os. Consequat zelus pagus abdo augue demoveo odio jus vel. </p>
 +
 +
<h2>Opto tego, distineo luptatum</h2>
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<p>Commoveo wisi nulla pala illum melior quis. Et luptatum validus wisi ingenium humo quidne, eros lucidus dolore ea vel amet. Capto, praemitto singularis tation duis consequat. Jus vulputate ingenium mauris ut, vero. Enim suscipit exerci eligo dolus decet elit transverbero. </p>
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<p>Opto tego, distineo lupt
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Latest revision as of 22:11, 8 October 2012

iGEM TEAM ::: SDU-DENMARK courtesy of NIAID

Sucrose Limitation and Inulin Metabolism

Abstract

Obesity is associated with a low-grade inflammatory response, which among other things, is triggered by bacterial plasma lipopolysaccharide (LPS). A high-energy diet, increases the amount of LPS-producing gut microbiota, and increased LPS levels has been observed in obese individuals. By inducing changes in the gut microbiota by prebiotics, like inulin, it is possible to decrease the plasma LPS level. This is associated with the stimulation of bifidobacterial growth. We have designed a novel approach to address this issue of plasma LPS, by probioticly induce changes in the gut flora by genetically modifying a bacteria to produce plant originated inulin. We cloned the two genes encoding sucrose:sucrose fructosyltransferase (SST) and fructan:fructan fructosyltransferase (FFT) from the Jerusalem artichoke into a E. coli, where it will produce inulin by using sucrose as an acceptor molecules. In the future this construct should be introduced by a probiotic lactobacillus, into the gut.



The story

The team consists entirely of undergraduates and we started out with almost no experience in lab – Most of our supervisors were on vacation for the first part of our lab time, so we started from square one.

We have chosen to focus on the outreach and documentation section. Therefore, we have loads of videos, interviews and photos.

Research includes many more aspects than most people expect. The wet lab is extremely important, but many teams miss an important part of what iGEM is also about - spreading the message. We, at SDU, see ourselves as pioneers in the field of Human Practices. It is a theme of great concern for the SDU iGEM Team. Therefore we have decided to make a big effort in many different areas.
We've gained a lot of PR coverage, had extensive outreach, made cooperation across Germany, Scandinavia and Canada amongst others. Furthermore, we have processed philosophical thoughts about our role in society as researchers. As a novelty, in iGEM auspices, we have included marketing and law, into our project as a focal point for our project.



Not a Scientist? Here we Present the Translated Version of our Abstract

Obesity and its related disorders are a worldwide problem that fx costs america billions of dollars each year. Literature suggests that a high-energy diet is the reason for obesity, not only because the body is unable to use all the energy, but in fact because the “bad” bacteria in your gut feeds on it. The jerusalem artichoke produces a sugar fiber called inulin, which apart from being non-digestible to humans, helps the good bacteria in the gut to grow and is beneficial in the prevention of colon cancer. From this information we decided to produce a beneficial (probiotic) bacteria that can convert table sugar (sucrose) into this inulin fiber. If we are successful in introducing this bacteria to the human gut, we can apply many beneficial aspects relating to obesity, such as decreased hunger, fat mass, body weight, inflammations and increased satisfaction from eating.

Featured video

This short documentary is all about the ethical aspects of dealing and working with genetically modified organisms(GMO)

Watch more videos in our video gallery

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