Engineered microbial sensors: providing a new paradigm for disease detection

Area of Science:

• Biotechnology
• Synthetic Biology
• Microbial Engineering

Background:

• Engineered microbial sensors (EMSs) leverage microorganisms for disease biomarker detection.
• EMSs offer advantages over traditional diagnostics, including cost-effectiveness, environmental adaptability, and in situ capabilities.
• Synthetic biology advancements enhance EMS reliability, accuracy, and safety, particularly for in vivo applications.

Purpose of the Study:

• To review the fundamental design principles of EMSs.
• To summarize research progress in diverse diagnostic scenarios.
• To evaluate encapsulation strategies and future perspectives for EMSs.

Main Methods:

• Review of fundamental design principles of EMSs.
• Summary of research progress across various diagnostic scenarios.
• Evaluation of micro- and macro-encapsulation strategies for EMSs.

Main Results:

• EMSs demonstrate significant potential for non-invasive, in situ diagnostics.
• Synthetic biology has improved EMS performance for in vivo disease detection.
• Encapsulation strategies are crucial for practical EMS translation.

Conclusions:

• EMSs present a promising platform for future medical diagnostics.
• Key challenges include biosafety, signal stability, and standardization of clinical evaluation.
• Further research is needed to overcome these hurdles for widespread clinical adoption.