scholarly journals ASarcoptes scabieispecific isothermal amplification assay for detection of this important ectoparasite of wombats and other animals

PeerJ ◽  
2018 ◽  
Vol 6 ◽  
pp. e5291 ◽  
Author(s):  
Tamieka A. Fraser ◽  
Scott Carver ◽  
Alynn M. Martin ◽  
Kate Mounsey ◽  
Adam Polkinghorne ◽  
...  
Keyword(s):  
Point Of Care ◽  
Lamp Assay ◽  
Sarcoptes Scabiei ◽  
Isothermal Amplification ◽  
Clinical Samples ◽  
Specific Pcr ◽  
Animal Populations ◽  
Thermal Cycler ◽  
Low Sensitivity ◽  
Species Specific

BackgroundThe globally distributed epidermal ectoparasite,Sarcoptes scabiei,is a serious health and welfare burden to at-risk human and animal populations. Rapid and sensitive detection ofS. scabieiinfestation is critical for intervention strategies. While direct microscopy of skin scrapings is a widely utilised diagnostic method, it has low sensitivity. PCR, alternatively, has been shown to readily detect mite DNA even in microscopy-negative skin scrapings. However, a limitation to the latter method is the requirements for specialised equipment and reagents. Such resources may not be readily available in regional or remote clinical settings and are an important consideration in diagnosis of this parasitic disease.MethodologyA Loop Mediated Isothermal Amplification (LAMP) assay targeting the ITS-2 gene forS. scabieiwas developed and evaluated on clinical samples from various hosts, previously screened with conventionalS. scabies-specific PCR. Species specificity of the newly developed LAMP assay was tested against a range of DNA samples from other arthropods. The LAMP assays were performed on a real-time fluorometer as well as thermal cycler to evaluate an end-point of detection. Using skin scrapings, a rapid sample processing method was assessed to eliminate extensive processing times involved with DNA extractions prior to diagnostic assays, including LAMP.ResultsTheS. scabieiLAMP assay was demonstrated to be species-specific and able to detect DNA extracted from a single mite within a skin scraping in under 30 minutes. Application of this assay to DNA extracts from skin scrapings taken from a range of hosts revealed 92.3% congruence (with 92.50% specificity and 100% sensitivity) to the conventional PCR detection ofS. scabiei. Preliminary results have indicated that diagnostic outcome from rapidly processed dry skin scrapings using our newly developed LAMP is possible in approximately 40 minutes.DiscussionWe have developed a novel, rapid and robust molecular assay for detectingS. scabieiinfesting humans and animals. Based on these findings, we anticipate that this assay will serve an important role as an ancillary diagnostic tool at the point-of-care, complementing existing diagnostic protocols forS. scabiei.

scholarly journals Development and evaluation of rapid novel isothermal amplification assays for important veterinary pathogens:Chlamydia psittaciandChlamydia pecorum

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3799 ◽  
Author(s):  
Martina Jelocnik ◽  
Md. Mominul Islam ◽  
Danielle Madden ◽  
Cheryl Jenkins ◽  
James Branley ◽  
...  
Keyword(s):  
Real Time ◽  
Pathogen Detection ◽  
Point Of Care ◽  
Chlamydia Psittaci ◽  
Isothermal Amplification ◽  
Diagnostic Tools ◽  
Clinical Samples ◽  
Conserved Gene ◽  
Thermal Cycler ◽  
Species Specific

BackgroundChlamydia psittaciandChlamydia pecorumare important veterinary pathogens, with the former also being responsible for zoonoses, and the latter adversely affecting koala populations in Australia and livestock globally. The rapid detection of these organisms is still challenging, particularly at the point-of-care (POC). In the present study, we developed and evaluated rapid, sensitive and robustC. psittaci-specific andC. pecorum-specific Loop Mediated Isothermal Amplification (LAMP) assays for detection of these pathogens.Methods and MaterialsThe LAMP assays, performed in a Genie III real-time fluorometer, targeted a 263 bp region of theC. psittaci-specific Cps_0607 gene or a 209 bp region of aC. pecorum-specific conserved gene CpecG_0573, and were evaluated using a range of samples previously screened using species-specific quantitative PCRs (qPCRs). Species-specificity forC. psittaciandC. pecorumLAMP targets was tested against DNA samples from related chlamydial species and a range of other bacteria. In order to evaluate pathogen detection in clinical samples,C. psittaciLAMP was evaluated using a total of 26 DNA extracts from clinical samples from equine and avian hosts, while forC. pecorumLAMP, we tested a total of 63 DNA extracts from clinical samples from koala, sheep and cattle hosts. A subset of 36C. pecorumsamples was also tested in a thermal cycler (instead of a real-time fluorometer) using newly developed LAMP and results were determined as an end point detection. We also evaluated rapid swab processing (without DNA extraction) to assess the robustness of these assays.ResultsBoth LAMP assays were demonstrated to species-specific, highly reproducible and to be able to detect as little as 10 genome copy number/reaction, with a mean amplification time of 14 and 24 min forC. psittaciandC. pecorum, respectively. When testing clinical samples, the overall congruence between the newly developed LAMP assays and qPCR was 92.3% forC. psittaci(91.7% sensitivity and 92.9% specificity); and 84.1% forC. pecorum(90.6% sensitivity and 77.4% specificity). For a subset of 36C. pecorumsamples tested in a thermal cycler using newly developed LAMP, we observed 34/36 (94.4%) samples result being congruent between LAMP performed in fluorometer and in thermal cycler. Rapid swab processing method evaluated in this study also allows for chlamydial DNA detection using LAMP.DiscussionIn this study, we describe the development of novel, rapid and robustC. psittaci-specific andC. pecorum-specific LAMP assays that are able to detect these bacteria in clinical samples in either the laboratory or POC settings. With further development and a focus on the preparation of these assays at the POC, it is anticipated that both tests may fill an important niche in the repertoire of ancillary diagnostic tools available to clinicians.

scholarly journals Development of a Multiplex Loop-Mediated Isothermal Amplification Assay for Diagnosis of Plasmodium spp., Plasmodium falciparum and Plasmodium vivax

Diagnostics ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1950
Author(s):  
Woong Sik Jang ◽  
Da Hye Lim ◽  
YoungLan Choe ◽  
Hyunseul Jee ◽  
Kyung Chul Moon ◽  
...  
Keyword(s):  
Internal Control ◽  
Point Of Care ◽  
Lamp Assay ◽  
18S Rrna Gene ◽  
Isothermal Amplification ◽  
Diagnostic Methods ◽  
Molecular Diagnostic ◽  
Clinical Samples ◽  
Rrna Gene ◽  
Loop Mediated Isothermal Amplification

Malaria, caused by the parasite Plasmodium and transmitted by mosquitoes, is an epidemic that mainly occurs in tropical and subtropical regions. As treatments differ across species of malarial parasites, there is a need to develop rapid diagnostic methods to differentiate malarial species. Herein, we developed a multiplex malaria Pan/Pf/Pv/actin beta loop-mediated isothermal amplification (LAMP) to diagnose Plasmodium spp., P. falciparum, and P. vivax, as well as the internal control (IC), within 40 min. The detection limits of the multiplex malaria Pan/Pf/Pv/IC LAMP were 1 × 102, 1 × 102, 1 × 102, and 1 × 103 copies/µL for four vectors, including the 18S rRNA gene (Plasmodium spp.), lactate dehydrogenase gene (P. falciparum), 16S rRNA gene (P. vivax), and human actin beta gene (IC), respectively. The performance of the LAMP assay was compared and evaluated by evaluating 208 clinical samples (118 positive and 90 negative samples) with the commercial RealStar® Malaria S&T PCR Kit 1.0. The developed multiplex malaria Pan/Pf/Pv/IC LAMP assay showed comparable sensitivity (100%) and specificity (100%) with the commercial RealStar® Malaria S&T PCR Kit 1.0 (100%). These results suggest that the multiplex malaria Pan/Pf/Pv/IC LAMP could be used as a point-of-care molecular diagnostic test for malaria.

scholarly journals Development of a Loop-Mediated Isothermal Amplification Assay for Rapid Detection ofTrichosporon asahiiin Experimental and Clinical Samples

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Jianfeng Zhou ◽  
Yong Liao ◽  
Haitao Li ◽  
Xuelian Lu ◽  
Xiufeng Han ◽  
...  
Keyword(s):  
Lamp Assay ◽  
Isothermal Amplification ◽  
Clinical Samples ◽  
Rrna Gene ◽  
Intergenic Spacers ◽  
Loop Mediated Isothermal Amplification ◽  
Detection And Identification ◽  
Deep Mycosis ◽  
Pathogen Dna ◽  
Species Specific

Invasive trichosporonosis is a deep mycosis found mainly in immunocompromised hosts, and the major pathogen isTrichosporon asahii. We detected the species-specific intergenic spacers (IGS) of rRNA gene ofT. asahiiusing a loop-mediated isothermal amplification (LAMP) assay in 15 isolates with 3 different visualization methods, including SYBR green detection, gel electrophoresis, and turbidimetric methods. The LAMP assay displayed superior rapidity to other traditional methods in the detection time; that is, only 1 h was needed for detection and identification of the pathogen DNA. Furthermore, the detection limit of the LAMP assay was more sensitive than the PCR assay. We also successfully detect the presence ofT. asahiiin samples from experimentally infected mice and samples from patients with invasive trichosporonosis caused byT. asahii, suggesting that this method may become useful in clinical applications in the near future.

scholarly journals Development of a Loop Mediated Isothermal Amplification for Diagnosis ofAscaris lumbricoidesin Fecal Samples

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Esther A. Shiraho ◽  
Agola L. Eric ◽  
Ibrahim N. Mwangi ◽  
Geoffrey M. Maina ◽  
Joseph M. Kinuthia ◽  
...  
Keyword(s):  
Neglected Tropical Diseases ◽  
Point Of Care ◽  
Infection Intensity ◽  
Lamp Assay ◽  
Isothermal Amplification ◽  
Alkaline Lysis ◽  
Fecal Samples ◽  
Loop Mediated Isothermal Amplification ◽  
The Common ◽  
Low Sensitivity

Ascaris lumbricoidesis a nematode parasite that causes the common tropical infection ascariasis in humans. It is also considered among the neglected tropical diseases. Diagnosis relies mainly on microscopy-based methods which are laborious, are limited by low sensitivity, and require high expertise. We have developed a loop mediated isothermal amplification (LAMP) for diagnosis of ascariasis in fecal samples, based on the first internal transcribed (ITS-1) spacer region of the ribosomal DNA. We used Primer Explorer V4 software to design primers.Ascarisadult and ova were obtained from naturally infected school children, whose parents/guardians gave consent for their participation in the study. Genomic DNA was extracted using alkaline lysis method and amplified by LAMP at 63°C for 45 minutes. LAMP products were visualized by naked eyes after adding SYBR Green dye and also on agarose gel. LAMP successfully and reliably detectedAscarisDNA from a single egg and in fecal samples. The assay specifically detectedAscarisDNA without amplifying DNA from ova of other parasites which commonly coexist withA. lumbricoidesin feces. The developed LAMP assay has great potential for use in ascariasis diagnosis at the point of care and in low infection intensity situation that characterize control and elimination campaigns.

scholarly journals Essential properties and pitfalls of colorimetric Reverse Transcription Loop-mediated Isothermal Amplification as a point-of-care test for SARS-CoV-2 diagnosis

2021 ◽  
Vol 27 (1) ◽  
Author(s):  
Bruna de Oliveira Coelho ◽  
Heloisa Bruna Soligo Sanchuki ◽  
Dalila Luciola Zanette ◽  
Jeanine Marie Nardin ◽  
Hugo Manuel Paz Morales ◽  
...  
Keyword(s):  
Viral Load ◽  
Internal Control ◽  
Reverse Transcription ◽  
Color Change ◽  
Point Of Care ◽  
Colorimetric Detection ◽  
False Negative ◽  
Isothermal Amplification ◽  
Clinical Samples ◽  
Loop Mediated Isothermal Amplification

Abstract Background SARS-CoV-2 Reverse Transcription Loop-mediated Isothermal Amplification (RT-LAMP) colorimetric detection is a sensitive and specific point-of-care molecular biology technique used to detect the virus in only 30 min. In this manuscript we have described a few nuances of the technique still not properly described in the literature: the presence of three colors clusters; the correlation of the viral load with the color change; and the importance of using an internal control to avoid false-negative results. Methods To achieve these findings, we performed colorimetric RT-LAMP assays of 466 SARS-CoV-2 RT-qPCR validated clinical samples, with color quantification measured at 434 nm and 560 nm. Results First we determinate a sensitivity of 93.8% and specificity of 90.4%. In addition to the pink (negative) and yellow (positive) produced colors, we report for the first time the presence of an orange color cluster that may lead to wrong diagnosis. We also demonstrated using RT-qPCR and RT-LAMP that low viral loads are related to Ct values > 30, resulting in orange colors. We also demonstrated that the diagnosis of COVID-19 by colorimetric RT-LAMP is efficient until the fifth symptoms day when the viral load is still relatively high. Conclusion This study reports properties and indications for colorimetric RT-LAMP as point-of-care for SARS-CoV-2 diagnostic, reducing false results, interpretations and optimizing molecular diagnostics tests application.

scholarly journals Novel Multiplex and Loop-Mediated Isothermal Amplification (LAMP) Assays for Rapid Species and Mating-Type Identification of Oculimacula acuformis and O. yallundae (Causal Agents of Cereal Eyespot), and Application for Detection of Ascospore Dispersal and in planta Use

2020 ◽  
Author(s):  
Kevin M. King ◽  
Gavin J. Eyres ◽  
Jon West ◽  
Clara Siraf ◽  
Pavel Matusinsky ◽  
...  
Keyword(s):  
Multiplex Pcr ◽  
Mating Type ◽  
Field Experiments ◽  
Lamp Assay ◽  
Isothermal Amplification ◽  
In Planta ◽  
Loop Mediated Isothermal Amplification ◽  
Multiplex Pcr Assay ◽  
Species Specific ◽  
Oculimacula Acuformis

Eyespot, caused by the related fungal pathogens Oculimacula acuformis (OA) and O. yallundae (OY), is an important cereal stem-base disease in temperate parts of the world. Both species are dispersed mainly by splash-dispersed conidia but are also known to undergo sexual reproduction yielding apothecia containing ascospores. Field diagnosis of eyespot can be challenging with other pathogens causing similar symptoms, which complicates eyespot management strategies. Differences between OA and OY (e.g. host pathogenicity and fungicide sensitivity) require that both be targeted for effective disease management. Here, we develop and apply two molecular methods for species-specific and mating-type (MAT1-1 or MAT1-2) discrimination of OA and OY isolates. First, a multiplex PCR-based diagnostic assay targeting the MAT idiomorph region was developed allowing simultaneous determination of both species and mating type. This multiplex-PCR assay was successfully applied to type a global collection of isolates. Second, the development of loop-mediated isothermal amplification (LAMP) assays targeting beta-tubulin sequences is described, which allow fast (<9 min) species-specific discrimination of global OA and OY isolates. The LAMP assay can detect very small amounts of target DNA (1 pg) and was successfully applied in planta. In addition, mating-type specific LAMP assays were also developed for rapid (<12 min) genotyping of OA and OY isolates. Finally, the multiplex PCR-based diagnostic was applied, in conjunction with spore trapping in field experiments, to provide evidence of the wind dispersal of ascospores from a diseased crop. The results indicate an important role of the sexual cycle in the dispersal of eyespot.

scholarly journals Rapid and Extraction-Free Detection of SARS-CoV-2 from Saliva by Colorimetric Reverse-Transcription Loop-Mediated Isothermal Amplification

2020 ◽  
Author(s):  
Matthew A Lalli ◽  
Joshua S Langmade ◽  
Xuhua Chen ◽  
Catrina C Fronick ◽  
Christopher S Sawyer ◽  
...  
Keyword(s):  
Reverse Transcription ◽  
Limit Of Detection ◽  
Colorimetric Assay ◽  
Quantitative Polymerase Chain Reaction ◽  
Rna Extraction ◽  
Lamp Assay ◽  
Isothermal Amplification ◽  
Clinical Samples ◽  
Viral Detection ◽  
Loop Mediated Isothermal Amplification

Abstract Background Rapid, reliable, and widespread testing is required to curtail the ongoing COVID-19 pandemic. Current gold-standard nucleic acid tests are hampered by supply shortages in critical reagents including nasal swabs, RNA extraction kits, personal protective equipment, instrumentation, and labor. Methods To overcome these challenges, we developed a rapid colorimetric assay using reverse-transcription loop-mediated isothermal amplification (RT-LAMP) optimized on human saliva samples without an RNA purification step. We describe the optimization of saliva pretreatment protocols to enable analytically sensitive viral detection by RT-LAMP. We optimized the RT-LAMP reaction conditions and implemented high-throughput unbiased methods for assay interpretation. We tested whether saliva pretreatment could also enable viral detection by conventional reverse-transcription quantitative polymerase chain reaction (RT-qPCR). Finally, we validated these assays on clinical samples. Results The optimized saliva pretreatment protocol enabled analytically sensitive extraction-free detection of SARS-CoV-2 from saliva by colorimetric RT-LAMP or RT-qPCR. In simulated samples, the optimized RT-LAMP assay had a limit of detection of 59 (95% confidence interval: 44–104) particle copies per reaction. We highlighted the flexibility of LAMP assay implementation using 3 readouts: naked-eye colorimetry, spectrophotometry, and real-time fluorescence. In a set of 30 clinical saliva samples, colorimetric RT-LAMP and RT-qPCR assays performed directly on pretreated saliva samples without RNA extraction had accuracies greater than 90%. Conclusions Rapid and extraction-free detection of SARS-CoV-2 from saliva by colorimetric RT-LAMP is a simple, sensitive, and cost-effective approach with broad potential to expand diagnostic testing for the virus causing COVID-19.

scholarly journals Field Verification of an African Swine Fever Virus Loop-Mediated Isothermal Amplification (LAMP) Assay during an Outbreak in Timor-Leste

Viruses ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 1444
Author(s):  
Peter T. Mee ◽  
Shani Wong ◽  
Kim J. O’Riley ◽  
Felisiano da Conceição ◽  
Joanita Bendita da Costa Jong ◽  
...  
Keyword(s):  
African Swine Fever Virus ◽  
African Swine Fever ◽  
Lamp Assay ◽  
Fever Virus ◽  
Isothermal Amplification ◽  
Clinical Samples ◽  
Loop Mediated Isothermal Amplification ◽  
Field Verification ◽  
Extraction Step ◽  
Timor Leste

Recent outbreaks of African swine fever virus (ASFV) have seen the movement of this virus into multiple new regions with devastating impact. Many of these outbreaks are occurring in remote, or resource-limited areas, that do not have access to molecular laboratories. Loop-mediated isothermal amplification (LAMP) is a rapid point of care test that can overcome a range of inhibitors. We outline further development of a real-time ASFV LAMP, including field verification during an outbreak in Timor-Leste. To increase field applicability, the extraction step was removed and an internal amplification control (IAC) was implemented. Assay performance was assessed in six different sample matrices and verified for a range of clinical samples. A LAMP detection limit of 400 copies/rxn was determined based on synthetic positive control spikes. A colourmetric LAMP assay was also assessed on serum samples. Comparison of the LAMP assay to a quantitative polymerase chain reaction (qPCR) was performed on clinical ASFV samples, using both serum and oral/rectal swabs, with a substantial level of agreement observed. The further verification of the ASFV LAMP assay, removal of extraction step, implementation of an IAC and the assessment of a range of sample matrix, further support the use of this assay for rapid in-field detection of ASFV.

scholarly journals Rapid isothermal amplification and portable detection system for SARS-CoV-2

2020 ◽  
Vol 117 (37) ◽  
pp. 22727-22735 ◽  
Author(s):  
Anurup Ganguli ◽  
Ariana Mostafa ◽  
Jacob Berger ◽  
Mehmet Y. Aydin ◽  
Fu Sun ◽  
...  
Keyword(s):  
Limit Of Detection ◽  
Detection System ◽  
Alternative Pathway ◽  
Rna Extraction ◽  
Lamp Assay ◽  
Isothermal Amplification ◽  
Clinical Samples ◽  
Complete Agreement ◽  
Rt Pcr ◽  
Viral Transport Medium

The COVID-19 pandemic provides an urgent example where a gap exists between availability of state-of-the-art diagnostics and current needs. As assay protocols and primer sequences become widely known, many laboratories perform diagnostic tests using methods such as RT-PCR or reverse transcription loop mediated isothermal amplification (RT-LAMP). Here, we report an RT-LAMP isothermal assay for the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus and demonstrate the assay on clinical samples using a simple and accessible point-of-care (POC) instrument. We characterized the assay by dipping swabs into synthetic nasal fluid spiked with the virus, moving the swab to viral transport medium (VTM), and sampling a volume of the VTM to perform the RT-LAMP assay without an RNA extraction kit. The assay has a limit of detection (LOD) of 50 RNA copies per μL in the VTM solution within 30 min. We further demonstrate our assay by detecting SARS-CoV-2 viruses from 20 clinical samples. Finally, we demonstrate a portable and real-time POC device to detect SARS-CoV-2 from VTM samples using an additively manufactured three-dimensional cartridge and a smartphone-based reader. The POC system was tested using 10 clinical samples, and was able to detect SARS-CoV-2 from these clinical samples by distinguishing positive samples from negative samples after 30 min. The POC tests are in complete agreement with RT-PCR controls. This work demonstrates an alternative pathway for SARS-CoV-2 diagnostics that does not require conventional laboratory infrastructure, in settings where diagnosis is required at the point of sample collection.

scholarly journals Loop-Mediated Isothermal Amplification Assay for Rapid and Reliable Detection of Mycobacterium tuberculosis in Sputum Samples

2018 ◽  
Vol 10 (2) ◽  
pp. 27-34
Author(s):  
B K Sharma ◽  
B D Pandey ◽  
K Sharma ◽  
B Sapkota ◽  
A Singh ◽  
...  
Keyword(s):  
Mycobacterium Tuberculosis ◽  
Predictive Value ◽  
Gold Standard ◽  
Lamp Assay ◽  
Isothermal Amplification ◽  
Positive Test ◽  
Fluorochrome Staining ◽  
Negative Test ◽  
Loop Mediated Isothermal Amplification ◽  
Thermal Cycler

Introduction: Tuberculosis (TB) remains a major global health problem. The most common method for diagnosing TB in developing countries is sputum smear microscopy; however, the sensitivity of this test is relatively lower. Detection of Mycobacterium tuberculosis using conventional culture and biochemical-based assays is time-consuming and laborious. Polymerase Chain Reaction (PCR) is also available for diagnosis of Mycobacterium tuberculosis. However, the PCR assay requires an expensive thermal cycler to amplify the DNA fragment in multiple temperature-dependent steps. Therefore, a simple and sensitive method for rapid detection has been anxiously awaited. The loop-mediated isothermal amplification (LAMP) assay is a diagnostic technique which can aid in the fight against TB in resource-poor countries. The LAMP assay can amplify a targeted sequence at a constant temperature. Therefore, a large and costly thermal cycler is not necessary for a LAMP assay.Objectives: The objective of this study was to identify Mycobacterium tuberculosis directly from sputum by LAMP and to compare its efficacy over routinely used methods.Methods: A total of 106 (53 fluorochrome staining positive and 53 fluorochrome staining negative) sputum samples were collected in this study. Mycobacterial DNA was extracted from concentrated sputum samples by freezing and boiling method. LAMP assay using a set of six specific primers targeting the M. tuberculosis 16S rRNA gene with high sensitivity was used to analyze sputum samples. The results were then compared with that of the culture method, which was considered as the gold standard method.Results: Among total of 106 samples studied by microscopy and culture, 53 were positive by both, whole four were positive by culture but negative by microscopy. With reference to culture, the microscopy had sensitivity 92.98%, specificity 100%, and predictive value of positive test 100%, predictive value of negative test 92.5%. Out of 106 samples subjected to culture and LAMP for the diagnosis of TB, 55 samples were positive by both tests and two were positive only in culture, while 48 were negative in both tests and one was negative only in culture. While comparing the LAMP with culture as a gold standard, the sensitivity of LAMP was 96.49%, specificity was 97.95%, predictive value of positive test was 98.21%, predictive value of negative test was 96%.Conclusions: Comparative experiments showed that the LAMP assay is a rapid, sensitive, and specific method to detect M. tuberculosis infection. Indeed, an inexpensive LAMP assay would be potential as a diagnostic test for tuberculosis, especially in resource-limited settings. J-GMC-N | Volume 11 | Issue 01 | January-June 2018, Page: 27-34

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