Recombinant Microorganisms for Tryptamine Biosynthesis
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Solution Overview
Problem
Current chemical synthesis methods for substituted indoles and tryptamines are inefficient, often resulting in low yields and purity, and involve environmentally toxic solvents, making them unsustainable and difficult to reproduce.
Innovation Solution
Engineering recombinant microorganisms with specific enzymes and regulatory proteins such as N-methyltransferases, tryptophan decarboxylases, and hydroxylases to biosynthetically produce these compounds, utilizing a modified heterologous microorganism that expresses enzymes like INMT, AADC, TPH, T4H, and IOMT to modify tryptophan and tryptamine pathways.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chemical synthesis methods are used for substituted indoles and tryptamines, then production can be achieved, but yields and purity are low and toxic solvents are required
Solution Approach 1:
The patent changes the fundamental parameter of the synthesis approach from chemical to biological. By expressing enzymes (tryptophan decarboxylase, aromatic L-amino acid decarboxylase, N-methyltransferase) in heterologous microorganisms, the system transforms chemical synthesis into biosynthetic production, eliminating toxic solvents and improving yield and purity simultaneously
Solution Approach 2:
The patent replaces mechanical/chemical synthesis systems with biological systems. Instead of using chemical reagents and solvents, the invention utilizes engineered microorganisms that naturally produce the target compounds through metabolic pathways, substituting chemical mechanisms with biological ones
2Productivity
If chemical synthesis methods are used for substituted indoles and tryptamines, then production can be achieved, but reproducibility is elusive
Solution Approach 1:
The engineered microorganisms perform self-service by autonomously carrying out the synthesis of substituted indoles and tryptamines through their metabolic pathways. The cells naturally regulate and execute the biochemical transformations without requiring external chemical interventions, ensuring consistent and reproducible production
Solution Approach 2:
The patent employs universal biosynthetic pathways that can be applied across different microorganism hosts. The same enzyme combinations (decarboxylase and methyltransferase) can be expressed in various heterologous systems to produce multiple substituted indole and tryptamine compounds, providing both production efficiency and reproducibility
3Productivity
If chemical synthesis methods are used for substituted indoles and tryptamines, then production can be achieved, but the process is environmentally toxic and unsustainable
Solution Approach 1:
The patent converts the potentially harmful chemical synthesis process into a beneficial biological process. By using engineered microorganisms to perform the synthesis, the system transforms a toxic chemical process into an environmentally benign biological process that produces the same valuable compounds without harmful byproducts
Solution Approach 2:
The patent replaces chemical synthesis mechanisms with biological mechanisms. The engineered microorganisms use their natural metabolic machinery to produce substituted indoles and tryptamines, substituting toxic chemical reagents and solvents with sustainable biological processes
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 approach enables a more environmentally benign and higher yielding process for producing substituted indoles and tryptamines, improving reproducibility and reducing the use of toxic solvents while enhancing the production of target molecules like N,N-dimethyltryptophan and N-methyltryptamine.
Implementation Method 1
N-methyltransferase (INMT, PsiM, TrpM)
Implementation Method 2
The present invention provides for producing substituted tryptamines and indoles in recombinant microorganisms
Implementation Method 3
tryptophan decarboxylase (AADC)
Implementation Method 4
AADC, a tryptophan decarboxylase
Implementation Method 5
tryptophan hydroxylase (TPH)
Implementation Method 6
a tryptophan hydroxylase (TPH)
Implementation Method 7
a tryptamine 4′ hydroxylase (T4H), a tryptamine 5′ hydroxylase (T5H)
Implementation Method 8
an hydroxytryptamine O-methyltransferase (IOMT or CaffOMT)
Data Source
AI summary
Provided are non-naturally occurring nucleic acids comprising a sequence encoding an enzyme or regulatory protein in tryptamine metabolism. Also provided are a recombinant microorganisms expressing the enzyme or regulatory protein. Methods of expressing the enzyme or regulatory protein are additionally provided.