Team:UC-Santa Cruz/Project

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Our project aims to create a microbial desalination system using the bacteria Caulobacter crescentus. This system will use the voltage gradients and light to pump sodium and chloride ions out of saltwater. Caulobacter crescentus has two important properties that we hope to use for our project.
Our project aims to create a microbial desalination system using the bacteria Caulobacter crescentus. This system will use the voltage gradients and light to pump sodium and chloride ions out of saltwater. Caulobacter crescentus has two important properties that we hope to use for our project.
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  First is a special organelle called a stalk. The stalk allows Caulobacter to attach itself to solid surfaces. The stalked cells will accumulate on a surface, and are able to form a monolayer of cells called a biofilm. We will grow these cells on an ion permeable membrane to create a working community of cells that only allow sodium and chloride ions to pass through.
 
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   The second property of C. crescentus is the asymmetrical organization of the cell during replication. When C. crescentus replicates, the ends of the cell will localize different proteins to form a stalk on one end, and a flagellum on the other. We will use this property to investigate the potential use of fusion proteins to direct the localization of ion pumps and channels. The result will be a biofilm of cells pumping ions from one side to the other. This will desalinate the seawater on one side, and concentrate sodium chloride on the other.
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Revision as of 20:57, 9 August 2013


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Abstract

to save water and make cool bacteria


The world's six billion people are appropriating 54 percent of all the accessible freshwater contained in rivers, lakes and underground aquifers. - See more at: http://www.unwater.org/statistics.html#sthash.JfpKTp6p.dpuf

The total volume of water on Earth is about 1.4 billion km3. The volume of freshwater resources is around 35 million km3, or about 2.5 percent of the total volume. - See more at: http://www.unwater.org/statistics.html#sthash.JfpKTp6p.dpuf

To access this saltwater to accommodate the needs of the global population, many desalination techniques have been developed. The end goal of our project is a bacterial system to directly desalinate seawater using sunlight. The project also aims to provide a scaffold for bacterial manipulation of ionic solutions (ex. heavy metal bioremediation) for other groups.

building a monolayer biofilm to act as a selective membrane. Uses rhodopsins to pump ions in seawater.

Contents

Project Details

Our project aims to create a microbial desalination system using the bacteria Caulobacter crescentus. This system will use the voltage gradients and light to pump sodium and chloride ions out of saltwater. Caulobacter crescentus has two important properties that we hope to use for our project.




Part 2

The Experiments

-Transfect caulobacter with florescent fusion protein plasmids. -Induce transformed caulobacter to express florescence. -Grow monolayer of caulobacter biofilm. - create tag florescent fusion protien plasmids,transfect into caulobacter, induce, check for polarized florescence. - create pumps/channels/pores tag fusion protien plasmids,transfect into caulobacter, induce, check for polarized florescence.

Part 3

Results

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