ArticleSensors (Basel, Switzerland)2014
Ion-channel genosensor for the detection of specific DNA sequences derived from Plum Pox Virus in plant extracts.
Article in Sensors (Basel, Switzerland), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 37 citations in OpenAlex.
- Recent advances and challenges in plant viral diagnostics.Frontiers in plant science · 2024Review
- Novel plant disease detection techniques-a brief review.Molecular biology reports · 2023Review
- Viruses Infecting Trees and Herbs That Produce Edible Fleshy Fruits with a Prominent Value in the Global Market: An Evolutionary Perspective.Plants (Basel, Switzerland) · 2022Review
- Biosensor Technologies for Early Detection and Quantification of Plant Pathogens.Frontiers in chemistry · 2021Review
- Detection of the Plant PathogenSensors (Basel, Switzerland) · 2019Article
- Amperometric genosensor for culture independent bacterial count.Sensors and actuators. B, Chemical · 2019Article
- The Current Status and Future Outlook of Quantum Dot-Based Biosensors for Plant Virus Detection.The plant pathology journal · 2018Review
- DNA Sequencing Sensors: An Overview.Sensors (Basel, Switzerland) · 2017Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A DNA biosensor for detection of specific oligonucleotides sequences of Plum Pox Virus (PPV) in plant extracts and buffer is proposed. The working principles of a genosensor are based on the ion-channel mechanism. The NH2-ssDNA probe was deposited onto a glassy carbon electrode surface to form an amide bond between the carboxyl group of oxidized electrode surface and amino group from ssDNA probe. The analytical signals generated as a result of hybridization were registered in Osteryoung square wave voltammetry in the presence of [Fe(CN)6]3-/4- as a redox marker. The 22-mer and 42-mer complementary ssDNA sequences derived from PPV and DNA samples from plants infected with PPV were used as targets. Similar detection limits of 2.4 pM (31.0 pg/mL) and 2.3 pM (29.5 pg/mL) in the concentration range 1-8 pM were observed in the presence of the 22-mer ssDNA and 42-mer complementary ssDNA sequences of PPV, respectively. The genosensor was capable of discriminating between samples consisting of extracts from healthy plants and leaf extracts from infected plants in the concentration range 10-50 pg/mL. The detection limit was 12.8 pg/mL. The genosensor displayed good selectivity and sensitivity. The 20-mer partially complementary DNA sequences with four complementary bases and DNA samples from healthy plants used as negative controls generated low signal.
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Registered trials
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