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Metabarcoding

Topic
  • Biochemistry & Molecular Biology
  • Biotechnology
  • Genetics
  • Bioinformatics
  • Ecology
  • Populations
Resource Type
  • Videos
  • Clips
Level
High School — GeneralHigh School — AP/IBCollege
Duration
00:03:38
Favorited By
6 Users
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Description

This video describes the technology of metabarcoding, which allows scientists to determine herbivore diets based on the sequences of plant DNA extracted from animal dung.

Ecologist Robert Pringle describes how he uses DNA metabarcoding in his research. He sequences segments of DNA (the barcodes) from animal dung and matches them to sequences found in a reference library of plant DNA, in order to identify the plant species that the animal ate. This technique has allowed Pringle and colleagues to determine that not all grazers or browsers eat the same plants and to obtain a more accurate picture of how herbivores partition ecological niches by diet.

This clip is from a 2015 Holiday Lecture Series, Patterns and Processes in Ecology.

Details
Key Terms

browser, competition, dietary niche partitioning, fecal sample, grazer, laboratory technique, method, polymerase chain reaction (PCR), sequencing, species coexistence

Primary Literature

Kartzinel, Tyler R., Patricia A. Chen, Tyler C. Coverdale, David L. Erickson, W. John Kress, Maria L. Kuzmina, Daniel I. Rubenstein, et al. “DNA metabarcoding illuminates dietary niche partitioning by African large herbivores.” Proceedings of the National Academy of Sciences 112, 26 (2015): 8019–8024. https://doi.org/10.1073/pnas.1503283112.

Terms of Use

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Version History
Date Published 05.15.16
Date Updated 05.15.16
Materials
HD (M4V) 140 MB
HD (WMV) 114 MB
SD (M4V) 31 MB
SD (WMV) 30 MB

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