Genetically Engineered Microorganisms for Fatty Acid Ester Production
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Solution Overview
Problem
The petroleum industry faces challenges such as high exploration and extraction costs, environmental damage, and the limited availability of petroleum resources, necessitating a renewable source for fuels and chemicals that does not require extensive refining or transportation.
Innovation Solution
Genetically engineered microorganisms are used to produce fatty acid esters, such as fatty acid ethyl esters, without exogenous alcohol, by culturing them to overexpress genes involved in fatty acid and ethanol production, allowing for efficient fermentation and reducing the need for additional raw materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If petroleum exploration and extraction are conducted, then fuels and chemicals can be produced, but high costs and environmental damage occur
Solution Approach 1:
The microorganism is genetically engineered to produce all necessary components (fatty acids, alcohol, and ester synthase) internally, eliminating the need for external inputs and making the system self-sufficient. This resolves the contradiction by enabling fuel production without petroleum extraction and associated environmental harm.
Solution Approach 2:
The invention changes the fundamental parameter of fuel production from petroleum-based to microorganism-based. By modifying the metabolic pathways of microorganisms through genetic engineering, the system produces fatty acid esters directly, avoiding all environmental issues related to petroleum exploration, extraction, and refining.
2Productivity
If exogenous alcohol is added to produce fatty acid esters, then production efficiency increases, but additional raw materials and costs are required
Solution Approach 1:
The microorganism is engineered to produce alcohol endogenously through modified metabolic pathways, eliminating the need for exogenous alcohol addition. This resolves the contradiction by maintaining fatty acid ester production capability while removing the requirement for additional raw materials.
Solution Approach 2:
The invention merges the production of fatty acids and alcohol into a single integrated microorganism system. Both substrates for ester synthesis are produced internally by the same organism, eliminating the need for separate alcohol addition and simplifying the overall process.
3Quantity of substance
If petroleum refining is performed, then fuels can be produced, but extensive processing and costs are required
Solution Approach 1:
The microorganism produces ready-to-use fatty acid esters directly through its metabolic pathways, eliminating the need for complex refining and purification processes. This resolves the contradiction by providing fuel production capability without extensive processing infrastructure.
Solution Approach 2:
The invention replaces mechanical/chemical refining processes with biological synthesis. Instead of physically separating and processing petroleum components through complex refining operations, the microorganism biosynthesizes the fuel components directly, dramatically simplifying the process.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method simplifies the fermentation process, reduces costs, and avoids environmental impacts associated with petroleum extraction and refining, providing a renewable source for biofuels and chemicals.
Implementation Method 1
the microorganism is genetically engineered to produce an alcohol, a fatty acid, and at least one ester synthase
Data Source
AI summary
Methods of producing fatty acid esters, such as fatty acid ethyl esters, from genetically engineered microorganisms are described.