Team:IIT Madras

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On average, the world loses 2 people to cardiovascular problems every minute; Diabetes claims 4 times that number making it the 6th most common cause of death worldwide. In addition, of these India contributes about 1 in 25 cases. The World Health Organisation recently reported that up to 245 million people suffered from this condition worldwide. It is estimated that diabetes consumes between 5 to 10% of the world's health care expenditure, and this is expected to go up to 12% in the next 20 years. There is however no known cure to this epidemic and our only hope is to fall back to the old adage 'Prevention is better than cure'. It has been known for a while that reducing the calories consumed in the form of sugar will help in the prevention of this disease. To date, seven different sweet tasting proteins have been identified and approved for consumption. However these proteins face issues in production, separation and purification, making them an ideal candidate for our work, focusing on expression and regulation.

We aim to use synthetic biology to engineer pro-biotic lactic acid bacteria used in the production of dairy products like yogurt, buttermilk and curds, to produce Monellin, a heat and pH stable sweetening protein. If we are successful in engineering Lactobacillus lactis, a gram positive bacteria to express and secrete Monellin, we will be able to produce dairy products devoid of poly-saccharide-based sweeteners, radically reducing the calorific content of these products. In order to be able to control the level of expression in this system, we plan to develop a regulatory system(s) that can be tweaked to suit the purpose.

As a result of this effort, we hope to give Diabetes patients a fighting chance to retain a comfortable life, without compromising on their sweet-tooths.

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-On an average, the world looses 2 people to cardiovascular problems every minute; Diabetes claims 4 times that number making it the 6th most common cause of death worldwide. In addition, of these, India contributes to about 1 in 25 cases. The World Health Organisation recently reported that up to 245 million people suffered from this condition. It is estimated that diabetes consumes between 5 to 10% of the world's health care expenditure, and this is expected to go up to 12% in the next 20 years. There is however no known cure to this epidemic, and our only hope is to fall back to the old adage 'Prevention is better than cure'. It has been known for a while that reducing the calories consumed in the form of sugar will help in the prevention of this disease. To date, seven different sweet tasting proteins have been identified and approved for consumption. However these proteins are hard to produce due to problems in growing of the natural sources of these proteins and separation and purification of these proteins.
+On average, the world loses 2 people to cardiovascular problems every minute; Diabetes claims 4 times that number making it the 6th most common cause of death worldwide. In addition, of these India contributes about 1 in 25 cases. The World Health Organisation recently reported that up to 245 million people suffered from this condition worldwide. It is estimated that diabetes consumes between 5 to 10% of the world's health care expenditure, and this is expected to go up to 12% in the next 20 years. There is however no known cure to this epidemic and our only hope is to fall back to the old adage 'Prevention is better than cure'. It has been known for a while that reducing the calories consumed in the form of sugar will help in the prevention of this disease. To date, seven different sweet tasting proteins have been identified and approved for consumption. However these proteins face issues in production, separation and purification, making them an ideal candidate for our work, focusing on expression and regulation.
-We aim to use synthetic biology to engineer the pro-biotic lactic acid bacteria used to ferment milk to produce dairy products like yogurt, buttermilk and curds, to produce Monellin, a heat and pH stable sweetening protein. If we are successful in engineering Lactobacillus lactis, a gram positive bacteria, commonly used in the dairy industry to express and secrete protein Monellin to the medium, we will be able to produce sweet fermented products of milk, devoid of the polysaccharide sugar . This will radically reduce the calorific contents of these products, and may also reduce the cost of their production by eliminating one of the major ingredients, sugar. In order to be able to control the level of expression of this system, we aim to develop a regulatory system(s) that can be tweaked to suit the use.
+We aim to use synthetic biology to engineer pro-biotic lactic acid bacteria used in the production of dairy products like yogurt, buttermilk and curds, to produce Monellin, a heat and pH stable sweetening protein. If we are successful in engineering Lactobacillus lactis, a gram positive bacteria to express and secrete Monellin, we will be able to produce dairy products devoid of poly-saccharide-based sweeteners, radically reducing the calorific content of these products. In order to be able to control the level of expression in this system, we plan to develop a regulatory system(s) that can be tweaked to suit the purpose.
-As a result of this effort, we hope to give Diabetes patients a fighting chance to retain a comfortable life, without compromising on their sweet tooths.
+As a result of this effort, we hope to give Diabetes patients a fighting chance to retain a comfortable life, without compromising on their sweet-tooths.
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