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Inter- and intraspecific variability of selected diarylheptanoid compounds and leaf morphometric traits in Alnus glutinosa and Alnus incana

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2018
Authors
Vidaković, Vera
Stefanovic, Milena
Novaković, Miroslav
Jadranin, Milka
Popovic, Zorica
Matic, Rada
Tešević, Vele
Bojovic, Srdjan
Article (Published version)
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Abstract
The reliability of diarylheptanoids as chemotaxonomic markers at inter-and intraspecific levels has been investigated. Six diarylheptanoids were quantified in bark ethanol extracts of four Alnus spp. populations by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The populations described here as locus classicus Alnus glutinosa (I) and locus classicus Alnus incana (III) are clearly differentiated. Compared to population I, individuals in population III have higher extract yields and hirsutanonol-5-O-beta-D-glucopyranoside content and lower contents of hirsutanonol, rubranoside A and oregonin. Individuals from neighboring populations of A. glutinosa (II) and A. incana (IV) share similar contents of hirsutanonol. All the studied populations exhibit a high intrapopulation variability of the selected diarylheptanoids; they have a heterogeneous chemotype and they partially overlap. The geographical proximity of populations II and IV increases their chemical sim...ilarity. Principal component analysis (PCA) clearly shows that the biggest dispersion of individuals lies within population IV. The reason for its heterogeneity might be its physical proximity to population II, i. e. the appearance of hybrids. Also, geometric morphometrics of leaves was performed as a screening criterion for spontaneous hybrids.

Keywords:
Alnus glutinosa / Alnus incana / Betulaceae / diarylheptanoid / geometric morphometrics / hirsutanonol-5-O-beta-D-glucopyranoside / oregonin / principal component analysis (PCA) / rubranoside A
Source:
Holzforschung, 2018, 72, 12, 1031-1041
Publisher:
  • Walter De Gruyter Gmbh, Berlin
Projects:
  • Evaluation of ecophysiological and genetic plant diversity in forest ecosystems (RS-173011)
  • Natural products of wild, cultivated and edible plants: structure and bioactivity determination (RS-172053)

DOI: 10.1515/hf-2018-0019

ISSN: 0018-3830

WoS: 000451440900004

Scopus: 2-s2.0-85050982811
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2377
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