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Physiological parameters indicate remarkable survival mechanisms of Sanguisorba minor Scop. on metalliferous and non-metalliferous sites

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Abstract

Many plant species have developed adaptive mechanisms to protect against stress, including stress caused by exposure to heavy metals. As a ubiquitous plant, Sanguisorba minor Scop. is usually found on various polluted and unpolluted sites. In that light, the main purpose of the study was to determine the level of stress in S. minor populations from different soil types. To investigate the physiological status of S. minor we collected both soil and plant samples from serpentine soils as well as an artificially heavy metal contaminated site and non-metalliferous site. Flame atomic absorption spectrometry was performed for determination of heavy metals in soil and herb. The total content of chlorophylls a and b, total phenolics, phenolic acids, flavonoids and proline were determined by spectrophotometric methods. The highest levels of total flavonoids and proline were detected in the sample from serpentine soil (SO2). Statistically significant difference concerning secondary metabolites was observed in all localities. The physiological parameters contents show exceptional adaptation of S. minor to heavy metal contaminated soils indicating its possible phytoremediation potential.

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Abbreviations

B&H:

Bosnia and Herzegovina

Chl a:

chlorophyll a

Chl b :

chlorophyll b

DW :

dry weight

EF:

enrichment factor

FAAS :

Flame Atomic Absorption Specroscopy

FCA :

Foline-Ciocaltau assay

GAE:

gallic acid equivalents

HMs :

heavy metals

Igeo :

geo-accumulation index

QE :

Quercetin equivalent

ROS :

reactive oxygen species

SMs :

secondary metabolites

WHO:

World Health Organization

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Funding

This work was supported by the Federal Ministry of Education and Science [05-39-3087-8/16, 2016] in Bosnia and Herzegovina

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Correspondence to Mujo Hasanović.

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Hasanović, M., Čakar, J., Ahatović, A. et al. Physiological parameters indicate remarkable survival mechanisms of Sanguisorba minor Scop. on metalliferous and non-metalliferous sites. Biologia 77, 1915–1929 (2022). https://doi.org/10.1007/s11756-022-01052-4

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  • DOI: https://doi.org/10.1007/s11756-022-01052-4

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