Journal
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume 16, Issue 10, Pages -Publisher
ELSEVIER
DOI: 10.20964/2021.10.56
Keywords
Electroanalysis; Stigmatic exudate; Plant identification; Fingerprints; Biometrics
Categories
Funding
- National Natural Science Foundation of China [22004026]
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The study utilized electrochemical fingerprints from plant stigmatic exudate for plant identification, showing different plants have distinct electrochemical fingerprints. These fingerprints can be used to construct recognition strategies and study species relationships, successfully constructing a phylogenetic tree based on the data.
The use of electrochemical fingerprints for plant identification is an emerging application in biosensors. In this work, stigmatic exudate was collected from plants and the electrochemical fingerprints were taken. Lycoris anhuiensis, L. longituba, L. straminea, L. guangxiensis, L. haywardii, L. sprengeri, L. aurea, L. chejuensis, L. squamigera, L. qinlingensis, L. albiflora, L. radiata, L. incarnata and L. chinensis were collected for this purpose. Different electrochemical fingerprints were obtained in accordance with the differences of electrochemically active substances in the stigmatic exudate. These electrochemical fingerprint profiles can be adopted to construct different patterns of recognition strategies and further applied in the identification of species. In addition, since the electrochemical fingerprints of stigmatic exudate contain the overall information of electrochemically active substances, they can be adopted to study the relationship among different species. A phylogenetic tree was successfully constructed based on the data of electrochemical fingerprints. The deduced infrageneric relationship among species is more persuasive than that in classical chemotaxonomic studies. The results can rival those obtained from modern molecular taxonomic methods and provide insights for future genetic studies.
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