Taxonomic discrimination of higher plants by pyrolysis mass spectrometry

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Taxonomic discrimination of higher plants by pyrolysis mass spectrometry
Suk Weon Kim; S H Ban; H J Chung; D W Choi; P S Choi; O J Yoo; Jang Ryol Liu
Bibliographic Citation
Plant Cell Reports, vol. 22, no. 7, pp. 519-522
Publication Year
Pyrolysis mass spectrometry (PyMS) is a rapid, simple, high-resolution analytical method based on thermal degradation of complex material in a vacuum and has been widely applied to the discrimination of closely related microbial strains. Leaf samples of six species and one variety of higher plants (Rosa multiflora, R. multiflora var. platyphylla, Sedum kamtschaticum, S. takesimense, S. sarmentosum, Hepatica insularis, and H. asiatica) were subjected to PyMS for spectral fingerprinting. Principal component analysis of PyMS data was not able to discriminate these plants in discrete clusters. However, canonical variate analysis of PyMS data separated these plants from one another. A hierarchical dendrogram based on canonical variate analysis was in agreement with the known taxonomy of the plants at the variety level. These results indicate that PyMS is able to discriminate higher plants based on taxonomic classification at the family, genus, species, and variety level.
canonical variate analysischemotaxonomydendrogramprincipal component analysistaxonomy
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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