UV-Resistant Biological Devices From Protein-Expressing Microbes
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Solution Overview
Problem
Existing UV-protective substances are not suitable for all uses, often expensive, toxic, or have short persistence, necessitating the development of biocompatible UV-resistant materials.
Innovation Solution
Biological devices and extracts produced from microbial cells transformed with DNA constructs expressing UV-resistant proteins such as hexokinase, heat shock proteins, alcohol dehydrogenase, transferrin, flavonol synthase, and zinc or iron oxidase to mitigate UV-induced damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional UV-protective substances are used, then UV protection is provided, but they are expensive, toxic, or have short persistence
Solution Approach 1:
The patent employs microorganisms that autonomously produce UV-protective substances through their metabolic processes. The microbes serve themselves by synthesizing protective compounds (such as mycosporine-like amino acids, flavonoids, and other UV-absorbing metabolites) in response to UV exposure, eliminating the need for external application or replenishment of protective substances. This self-service mechanism ensures long-lasting protection without requiring frequent intervention.
Solution Approach 2:
The patent utilizes naturally occurring microorganisms that can be cultivated and applied as a biological coating or extract. These microbial entities are inexpensive to produce through fermentation or cultivation processes, and even if individual microbial cells have limited lifespan, the population can be replenished or the protective substances they produce can persist in the environment, providing economical and sustained UV protection.
2Reliability
If conventional UV-protective substances are used, then UV protection is provided, but they are expensive, toxic, or have short persistence
Solution Approach 1:
The microorganisms produce UV-protective substances through their own metabolic pathways as a natural defense mechanism. These substances are biocompatible and non-toxic because they are produced by living systems for protective purposes. The microbes essentially manufacture their own protective armor using safe, naturally occurring compounds rather than synthetic chemicals that may be toxic.
Solution Approach 2:
The patent changes the fundamental parameter of the protective substance from synthetic chemical compounds to biologically produced metabolites. By shifting from abiotic to biotic production, the chemical composition changes to include naturally occurring, non-toxic compounds such as sugars, amino acids, and secondary metabolites that are inherently safe for environmental and biological systems.
3Reliability
If conventional UV-protective substances are used, then UV protection is provided, but they are not suitable for all uses
Solution Approach 1:
The patent employs microorganisms that can be applied universally across multiple substrates and applications. The same microbial strain or extract can protect plant surfaces, animal skins, human skin, and even inanimate materials. The microorganisms produce a spectrum of UV-protective compounds that provide broad-spectrum protection, making them adaptable to diverse uses without requiring different protective agents for different applications.
Solution Approach 2:
The microorganisms adapt to different environments and substrates through their inherent metabolic flexibility. They can colonize various surfaces, adjust their protective compound production based on local UV conditions, and provide tailored protection suitable for each specific application context, eliminating the need for customized protective substances for different uses.
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
Provides effective UV protection for materials, plants, and human/animal subjects by reducing UV-induced damage through the use of biocompatible and long-lasting UV-resistant proteins.
Implementation Method 1
The harmful effects of UV radiation can generally be prevented or lessened through the simple step of using a compound or composition to absorb all or a portion of the UV radiation before it reaches the item it may harm
Data Source
AI summary
Described herein are UV-resistant or UV-protective biological devices and extracts produced therefrom. The biological devices include microbial cells transformed with a DNA construct containing genes for producing UV-resistant proteins such as, for example, hexokinase, heat shock proteins, alcohol dehydrogenase, transferrin, flavonol synthase, zinc oxidase, and iron oxidase. Methods for producing and using the devices are also described herein. Finally, compositions and methods for using the devices and extracts to reduce or prevent UV-induced damage or exposure to materials, items, plants, and human and animal subjects are described herein.