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Hu H, Liu L, Wei XY, Duan JJ, Deng JY, Pei DS. Revolutionizing aquatic eco-environmental monitoring: Utilizing the RPA-Cas-FQ detection platform for zooplankton. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172414. [PMID: 38631624 DOI: 10.1016/j.scitotenv.2024.172414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 03/15/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
The integration of recombinase polymerase amplification (RPA) with CRISPR/Cas technology has revolutionized molecular diagnostics and pathogen detection due to its unparalleled sensitivity and trans-cleavage ability. However, its potential in the ecological and environmental monitoring scenarios for aquatic ecosystems remains largely unexplored, particularly in accurate qualitative/quantitative detection, and its actual performance in handling complex real environmental samples. Using zooplankton as a model, we have successfully optimized the RPA-CRISPR/Cas12a fluorescence detection platform (RPA-Cas-FQ), providing several crucial "technical tips". Our findings indicate the sensitivity of CRISPR/Cas12a alone is 5 × 109 copies/reaction, which can be dramatically increased to 5 copies/reaction when combined with RPA. The optimized RPA-Cas-FQ enables reliable qualitative and semi-quantitative detection within 50 min, and exhibits a good linear relationship between fluorescence intensity and DNA concentration (R2 = 0.956-0.974***). Additionally, we developed a rapid and straightforward identification procedure for single zooplankton by incorporating heat-lysis and DNA-barcode techniques. We evaluated the platform's effectiveness using real environmental DNA (eDNA) samples from the Three Gorges Reservoir, confirming its practicality. The eDNA-RPA-Cas-FQ demonstrated strong consistency (Kappa = 0.43***) with eDNA-Metabarcoding in detecting species presence/absence in the reservoir. Furthermore, the two semi-quantitative eDNA technologies showed a strong positive correlation (R2 = 0.58-0.87***). This platform also has the potential to monitor environmental pollutants by selecting appropriate indicator species. The novel insights and methodologies presented in this study represent a significant advancement in meeting the complex needs of aquatic ecosystem protection and monitoring.
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Affiliation(s)
- Huan Hu
- Chongqing Jiaotong University, Chongqing 400074, China; Chongqing Institute of Green and Intelligent Technology, Chongqing School of University of Chinese Academy of Sciences, Chinese Academy of Sciences, Chongqing 400714, China
| | - Li Liu
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Xing-Yi Wei
- Chongqing Jiaotong University, Chongqing 400074, China; Chongqing Institute of Green and Intelligent Technology, Chongqing School of University of Chinese Academy of Sciences, Chinese Academy of Sciences, Chongqing 400714, China
| | - Jin-Jing Duan
- Chongqing Miankai Biotechnology Research Institute Co., Ltd., Chongqing 400025, China; School of Public Health, Chongqing Medical University, Chongqing 400016, China
| | - Jiao-Yun Deng
- School of Public Health, Chongqing Medical University, Chongqing 400016, China
| | - De-Sheng Pei
- School of Public Health, Chongqing Medical University, Chongqing 400016, China.
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Changtor P, Rodriguez-Mateos P, Buddhachat K, Wattanachaiyingcharoen W, Iles A, Kerdphon S, Yimtragool N, Pamme N. Integration of IFAST-based nucleic acid extraction and LAMP for on-chip rapid detection of Agroathelia rolfsii in soil. Biosens Bioelectron 2024; 250:116051. [PMID: 38301544 DOI: 10.1016/j.bios.2024.116051] [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: 12/01/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 02/03/2024]
Abstract
Agroathelia rolfsii (A. rolfsii) is a fungal infection and poses a significant threat to over 500 plant species worldwide. It can reduce crop yields drastically resulting in substantial economic losses. While conventional detection methods like PCR offer high sensitivity and specificity, they require specialized and expensive equipment, limiting their applicability in resource-limited settings and in the field. Herein, we present an integrated workflow with nucleic acid extraction and isothermal amplification in a lab-on-a-chip cartridge based on immiscible filtration assisted by surface tension (IFAST) to detect A. rolfsii fungi in soil for point-of-need application. Our approach enabled both DNA extraction of A. rolfsii from soil and subsequent colorimetric loop-mediated isothermal amplification (LAMP) to be completed on a single chip, termed IFAST-LAMP. LAMP primers targeting ITS region of A. rolfsii were newly designed and tested. Two DNA extraction methods based on silica paramagnetic particles (PMPs) and three LAMP assays were compared. The best-performing assay was selected for on-chip extraction and detection of A. rolfsii from soil samples inoculated with concentrations of 3.75, 0.375 and 0.0375 mg fresh weight per 100-g soil (%FW). The full on-chip workflow was achieved within a 1-h turnaround time. The platform was capable of detecting as low as 3.75 %FW at 2 days after inoculation and down to 0.0375 %FW at 3 days after inoculation. The IFAST-LAMP could be suitable for field-applicability for A. rolfsii detection in low-resource settings.
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Affiliation(s)
- Phanupong Changtor
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden; Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, Thailand
| | - Pablo Rodriguez-Mateos
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
| | - Kittisak Buddhachat
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, Thailand
| | - Wandee Wattanachaiyingcharoen
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, Thailand; Center of Excellence for Biodiversity, Faculty of Science, Naresuan University, Phitsanulok, Thailand
| | - Alexander Iles
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
| | - Sutthichat Kerdphon
- Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok, Thailand
| | - Nonglak Yimtragool
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, Thailand; Center of Excellence for Biodiversity, Faculty of Science, Naresuan University, Phitsanulok, Thailand.
| | - Nicole Pamme
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden.
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Paenkaew S, Jaito N, Pradit W, Chomdej S, Nganvongpanit K, Siengdee P, Buddhachat K. RPA/CRISPR-cas12a as a specific, sensitive and rapid method for diagnosing Ehrlichia canis and Anaplasma platys in dogs in Thailand. Vet Res Commun 2023; 47:1601-1613. [PMID: 36997812 PMCID: PMC10062689 DOI: 10.1007/s11259-023-10114-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/21/2023] [Indexed: 04/01/2023]
Abstract
Rickettsial pathogens including Ehrlichia canis and Anaplasma platys are bacteria that cause parasitic infections in dogs such as canine monocytic ehrlichiosis (CME) and canine cyclic thrombocytopenia (CCT), respectively affecting mortality and morbidity worldwide. An accurate, sensitive, and rapid method to diagnose these agents is essential for effective treatment. In this study, a recombinase polymerase amplification (RPA) coupled with CRISPR-Cas12a methods was established to detect E. canis and A. platys infection in dogs based on the 16S rRNA. The optimal condition for DNA amplification by RPA was 37 °C for 20 min, followed by CRISPR-Cas12a digestion at 37 °C for one hour. A combination of RPA and the cas12a detection method did not react with other pathogens and demonstrated strong sensitivity, detecting as low as 100 copies of both E. canis and A. platys. This simultaneous detection method was significantly more sensitive than conventional PCR. The RPA-assisted cas12a assay provides specific, sensitive, rapid, simple and appropriate detection of rickettsial agents in canine blood at the point-of-care for diagnostics, disease prevention and surveillance.
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Affiliation(s)
- Suphaporn Paenkaew
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Nongluck Jaito
- Enzyme Technology Research Team, Biorefinery and Bioproduct Technology Research Group, National Center for Genetic Engineering and Biotechnology, 113 Thailand Science Park, Paholyothin Rd., Klong Luang District, Pathum Thani, 12120, Thailand
| | - Waranee Pradit
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Siriwadee Chomdej
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Korakot Nganvongpanit
- Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, 50200, Thailand
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Puntita Siengdee
- Program in Applied Biological Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Kamphaeng Phet 6 Road, Laksi, 10210, Bangkok, Thailand
| | - Kittisak Buddhachat
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand.
- Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Tanny T, Sallam M, Soda N, Nguyen NT, Alam M, Shiddiky MJA. CRISPR/Cas-Based Diagnostics in Agricultural Applications. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:11765-11788. [PMID: 37506507 DOI: 10.1021/acs.jafc.3c00913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
Pests and disease-causing pathogens frequently impede agricultural production. An early and efficient diagnostic tool is crucial for effective disease management. Clustered regularly interspaced short palindromic repeats (CRISPR) and the CRISPR-associated protein (Cas) have recently been harnessed to develop diagnostic tools. The CRISPR/Cas system, composed of the Cas endonuclease and guide RNA, enables precise identification and cleavage of the target nucleic acids. The inherent sensitivity, high specificity, and rapid assay time of the CRISPR/Cas system make it an effective alternative for diagnosing plant pathogens and identifying genetically modified crops. Furthermore, its potential for multiplexing and suitability for point-of-care testing at the field level provide advantages over traditional diagnostic systems such as RT-PCR, LAMP, and NGS. In this review, we discuss the recent developments in CRISPR/Cas based diagnostics and their implications in various agricultural applications. We have also emphasized the major challenges with possible solutions and provided insights into future perspectives and potential applications of the CRISPR/Cas system in agriculture.
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Affiliation(s)
- Tanzena Tanny
- School of Environment and Science (ESC), Griffith University, Nathan, QLD 4111, Australia
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan, QLD 4111, Australia
| | - Mohamed Sallam
- School of Environment and Science (ESC), Griffith University, Nathan, QLD 4111, Australia
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan, QLD 4111, Australia
| | - Narshone Soda
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan, QLD 4111, Australia
| | - Nam-Trung Nguyen
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan, QLD 4111, Australia
| | - Mobashwer Alam
- Queensland Alliance for Agriculture & Food Innovation, The University of Queensland, Mayers Road, Nambour, QLD 4560, Australia
| | - Muhammad J A Shiddiky
- School of Environment and Science (ESC), Griffith University, Nathan, QLD 4111, Australia
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan, QLD 4111, Australia
- Rural Health Research Institute, Charles Sturt University, Orange, NSW 2800, Australia
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Bose Mazumdar Ghosh A, Banerjee A, Chattopadhyay S. An insight into the potent medicinal plant Phyllanthus amarus Schum. and Thonn. THE NUCLEUS : AN INTERNATIONAL JOURNAL OF CYTOLOGY AND ALLIED TOPICS 2022; 65:437-472. [PMID: 36407559 PMCID: PMC9660160 DOI: 10.1007/s13237-022-00409-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 10/07/2022] [Indexed: 11/13/2022]
Abstract
Phyllanthus amarus Schum. and Thonn., a globally distributed herb is known for its several therapeutic potentials. P. amarus has a long history of use in the traditional system of medicine for over 2000 years owing to its wide array of secondary metabolites that confer significant medicinal attributes. Research on various aspects including ethnobotany, phytochemistry to bioactivity, or pharmacological studies has been conducted over the past several decades on this potent herb. P. amarus extracts have shown a broad range of pharmacological activities like hepatoprotective, antioxidant, antiviral, antimicrobial, antidiabetic, anti-inflammatory, anticancer, antimalarial, nephroprotective, diuretic, and several other properties. The present review compiles and covers literature and research of several groups across past decades to date and focuses on how the therapeutic significance of this plant can be further explored for future research either as herbal formulations, alternative medicine, or in the pharmaceutical industry. Supplementary Information The online version contains supplementary material available at 10.1007/s13237-022-00409-z.
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Affiliation(s)
- Aparupa Bose Mazumdar Ghosh
- Plant Biology Lab, Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata, 700032 India
| | - Anindita Banerjee
- Undergraduate, Postgraduate, and Research Department of Microbiology, St. Xavier’s College (Autonomous), 30 Mother Teresa Sarani, Kolkata, 700016 India
| | - Sharmila Chattopadhyay
- Plant Biology Lab, Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata, 700032 India
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Hao L, Xu W, Qi G, Xin T, Xu Z, Lei H, Song J. GAGE is a method for identification of plant species based on whole genome analysis and genome editing. Commun Biol 2022; 5:947. [PMID: 36088518 PMCID: PMC9464240 DOI: 10.1038/s42003-022-03894-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
Whole genomes of plants should be ideal databases for their species identification, but unfortunately there was no such method before this exploration. Here we report a plant species identification method based on the whole Genome Analysis and Genome Editing (GAGE). GAGE searches for target sequences from the whole genome of the subject plant and specifically detects them by employing a CRISPR/Cas12a system. Similar to how Mendel chose Pisum sativum (pea), we selected Crocus sativus (saffron) to establish GAGE, in which we constructed a library containing all candidate target sequences. Taking a target sequence in the ITS2 region as an example, we confirmed the feasibility, specificity, and sensitivity of GAGE. Consequently, we succeeded in not only using GAGE to identify Cr. sativus and its adulterants, but also executing GAGE in the plants from different classes including angiosperms, gymnosperms, ferns, and lycophytes. This sensitive and rapid method is the first plant species identification method based on the whole genome and provides new insights into the application of the whole genome in species identification. A plant species identification method, GAGE, is reported that searches for target sequences from the whole genome of the subject plant and specifically detects them by employing a CRISPR/Cas12a system.
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