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Zolotareva M, Cascalheira F, Caneiras C, Bárbara C, Caetano DM, Teixeira MC. In the flow of molecular miniaturized fungal diagnosis. Trends Biotechnol 2024:S0167-7799(24)00157-4. [PMID: 38987118 DOI: 10.1016/j.tibtech.2024.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/03/2024] [Accepted: 06/18/2024] [Indexed: 07/12/2024]
Abstract
The diagnosis of fungal infections presents several challenges and limitations, stemming from the similarities in symptomatology, diversity of underlying pathogenic species, complexity of fungal biology, and scarcity of rapid, affordable, and point-of-care approaches. In this review, we assess technological advances enabling the conversion of cutting-edge laboratory molecular diagnostic methods to cost-effective microfluidic devices. The most promising strategies toward the design of DNA sequence-based fungal diagnostic systems, capable of capturing and deciphering the highly informative DNA of the pathogen and adapted for resource-limited settings, are discussed, bridging fungal biology, molecular genetics, microfluidics, and biosensors.
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Affiliation(s)
- Maria Zolotareva
- Instituto de Engenharia de Sistemas e Computadores - Microsistemas e Nanotecnologias, INESC-, MN, 1000-029 Lisboa, Portugal; iBB - Institute for Bioengineering and Biosciences, Associate Laboratory Institute for Health and Bioeconomy - i4HB, 1049-001 Lisboa, Portugal
| | - Francisco Cascalheira
- Instituto de Engenharia de Sistemas e Computadores - Microsistemas e Nanotecnologias, INESC-, MN, 1000-029 Lisboa, Portugal; iBB - Institute for Bioengineering and Biosciences, Associate Laboratory Institute for Health and Bioeconomy - i4HB, 1049-001 Lisboa, Portugal
| | - Cátia Caneiras
- Environmental Health Institute (ISAMB), Faculdade de Medicina, Universidade de Lisboa, 1649-026 Lisboa, Portugal; Associate Laboratory TERRA, Faculty of Medicine, Universidade de Lisboa, 1649-026 Lisboa, Portugal; Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health and Science, 2829-511 Almada, Portugal; Institute of Preventive Medicine and Public Health, Universidade de Lisboa, 1649-026 Lisboa, Portugal
| | - Cristina Bárbara
- Environmental Health Institute (ISAMB), Faculdade de Medicina, Universidade de Lisboa, 1649-026 Lisboa, Portugal; Associate Laboratory TERRA, Faculty of Medicine, Universidade de Lisboa, 1649-026 Lisboa, Portugal; Centro Hospitalar Universitário Lisboa Norte, 1600-190, Lisboa, Portugal
| | - Diogo Miguel Caetano
- Instituto de Engenharia de Sistemas e Computadores - Microsistemas e Nanotecnologias, INESC-, MN, 1000-029 Lisboa, Portugal; Department of Electrical and Computer Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal.
| | - Miguel Cacho Teixeira
- iBB - Institute for Bioengineering and Biosciences, Associate Laboratory Institute for Health and Bioeconomy - i4HB, 1049-001 Lisboa, Portugal; Department of Bioengineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal.
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Fan C, He N, Yuan J. Cascaded amplifying circuit enables sensitive detection of fungal pathogens. Biosens Bioelectron 2024; 250:116058. [PMID: 38281368 DOI: 10.1016/j.bios.2024.116058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/30/2024]
Abstract
The rapid and accurate detection of fungal pathogens is of utmost importance in the fields of healthcare, food safety, and environmental monitoring. In this study, we implemented a cascaded amplifying circuit in Saccharomyces cerevisiae to improve the G protein-coupled receptor (GPCR) mediated fungal detection. The GPCR signaling pathway was coupled with the galactose-regulated (GAL) system and a positive feedback loop was implemented to enhance the performance of yeast biosensor. We systematically compared four generations of biosensors for detecting the mating pheromone of Candida albicans, and the best biosensor exhibited the limit of detection (LOD) as low as 0.25 pM and the limit of quantification (LOQ) of 1 pM after 2 h incubation. Subsequently, we developed a betaxanthin-based colorimetric module for the easy visualization of signal outputs, and the resulting biosensors can give reliable naked-eye readouts. In summary, we demonstrated that cascaded amplifying circuits could substantially improve the engineered yeast biosensors with a better sensitivity and signal output magnitude, which will pave the way for their real-world applications in public health.
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Affiliation(s)
- Cong Fan
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, Fujian, 361102, China
| | - Nike He
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, Fujian, 361102, China
| | - Jifeng Yuan
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, Fujian, 361102, China; Key Laboratory for Synthetic Biotechnology of Xiamen City, Xiamen University, Fujian, 361005, China; Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, China.
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Lorenzo-Villegas DL, Gohil NV, Lamo P, Gurajala S, Bagiu IC, Vulcanescu DD, Horhat FG, Sorop VB, Diaconu M, Sorop MI, Oprisoni A, Horhat RM, Susan M, MohanaSundaram A. Innovative Biosensing Approaches for Swift Identification of Candida Species, Intrusive Pathogenic Organisms. Life (Basel) 2023; 13:2099. [PMID: 37895480 PMCID: PMC10608220 DOI: 10.3390/life13102099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/17/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
Candida is the largest genus of medically significant fungi. Although most of its members are commensals, residing harmlessly in human bodies, some are opportunistic and dangerously invasive. These have the ability to cause severe nosocomial candidiasis and candidemia that affect the viscera and bloodstream. A prompt diagnosis will lead to a successful treatment modality. The smart solution of biosensing technologies for rapid and precise detection of Candida species has made remarkable progress. The development of point-of-care (POC) biosensor devices involves sensor precision down to pico-/femtogram level, cost-effectiveness, portability, rapidity, and user-friendliness. However, futuristic diagnostics will depend on exploiting technologies such as multiplexing for high-throughput screening, CRISPR, artificial intelligence (AI), neural networks, the Internet of Things (IoT), and cloud computing of medical databases. This review gives an insight into different biosensor technologies designed for the detection of medically significant Candida species, especially Candida albicans and C. auris, and their applications in the medical setting.
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Affiliation(s)
| | - Namra Vinay Gohil
- Department of Internal Medicne, Medical College Baroda, Vadodara 390001, India;
- Department of Internal Medicne, SSG Hospital Vadodara, Gotri, Vadodara 390021, India
| | - Paula Lamo
- Escuela Superior de Ingeniería y Tecnología, Universidad Internacional de La Rioja, 26006 Logroño, Spain;
| | - Swathi Gurajala
- College of Applied Medical Sciences in Jubail, Imam Abdulrahman bin Faisal University, Dammam 31441, Saudi Arabia;
| | - Iulia Cristina Bagiu
- Department of Microbiology, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (D.D.V.); (F.G.H.)
- Multidisciplinary Research Center on Antimicrobial Resistance (MULTI-REZ), Microbiology Department, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania
| | - Dan Dumitru Vulcanescu
- Department of Microbiology, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (D.D.V.); (F.G.H.)
- Multidisciplinary Research Center on Antimicrobial Resistance (MULTI-REZ), Microbiology Department, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania
| | - Florin George Horhat
- Department of Microbiology, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania; (D.D.V.); (F.G.H.)
- Multidisciplinary Research Center on Antimicrobial Resistance (MULTI-REZ), Microbiology Department, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania
| | - Virgiliu Bogdan Sorop
- Department of Obstetrics and Gynecology, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania; (V.B.S.); (M.D.)
| | - Mircea Diaconu
- Department of Obstetrics and Gynecology, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania; (V.B.S.); (M.D.)
| | - Madalina Ioana Sorop
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania;
| | - Andrada Oprisoni
- Department of Pediatrics, Discipline of Pediatric Oncology and Hematology, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania;
| | - Razvan Mihai Horhat
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
| | - Monica Susan
- Centre for Preventive Medicine, Department of Internal Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania;
| | - ArunSundar MohanaSundaram
- School of Pharmacy, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai 600119, India;
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