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http://dx.doi.org/10.5141/jee.22.003

Current methodologies in construction of plant-pollinator network with emphasize on the application of DNA metabarcoding approach  

Namin, Saeed Mohamadzade (Agricultural Science and Technology Institute, Andong National University)
Son, Minwoong (Department of Plant Medicals, Andong National University)
Jung, Chuleui (Agricultural Science and Technology Institute, Andong National University)
Publication Information
Journal of Ecology and Environment / v.46, no.2, 2022 , pp. 126-135 More about this Journal
Abstract
Background: Pollinators are important ecological elements due to their role in the maintenance of ecosystem health, wild plant reproduction, crop production and food security. The pollinator-plant interaction supports the preservation of plant and animal populations and it also improves the yield in pollination dependent crops. Having knowledge about the plant-pollinator interaction is necessary for development of pesticide risk assessment of pollinators and conservation of endangering species. Results: Traditional methods to discover the relatedness of insects and plants are based on tracing the visiting pollinators by field observations as well as palynology. These methods are time-consuming and needs expert taxonomists to identify different groups of pollinators such as insects or identify flowering plants through palynology. With pace of technology, using molecular methods become popular in identification and classification of organisms. DNA metabarcoding, which is the combination of DNA barcoding and high throughput sequencing, can be applied as an alternative method in identification of mixed origin environmental samples such as pollen loads attached to the body of insects and has been used in DNA-based discovery of plant-pollinator relationship. Conclusions: DNA metabarcoding is practical for plant-pollinator studies, however, lack of reference sequence in online databases, taxonomic resolution, universality of primers are the most crucial limitations. Using multiple molecular markers is preferable due to the limitations of developed universal primers, which improves taxa richness and taxonomic resolution of the studied community.
Keywords
DNA metabarcoding; pollen; pollination network; taxonomic resolution;
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