Details der Publikation - Adaptive potential of Typha laxmannii Lepech to a heavy metal contaminated site

Adaptive potential of Typha laxmannii Lepech to a heavy metal contaminated site

Purpose To study the adaptive potential of the plant Typha laxmannii Lepech. to heavy metal (HM) stress on the basis of analysis of its morphological and anatomical features under the conditions of an anthropogenically transformed ecosystem of the Don River Delta. Methods The soils on the monitored plots are of the Fluvisol type. The soil characteristics and total concentrations of Mn, Ni, Cd, Cu, Zn, Pb and Cr in soils and cattail plants were analysed. Anatomical-morphological and electron-microscopic examinations revealed the toxic effect of HMs on the roots and leaves of T. laxmannii plants. Results The studied soils were found to contain high levels of the Zn, Cr, Pb and Cu. It was shown that the sources of Zn, Pb and Cu in the soils were anthropogenic in nature. The high Cr level in soils was due to the natural lithogenic factor. The contents of HM mobile forms in the soils exceeded the maximum permissible concentrations of Cd, Zn, Pb and Ni. An examination of communities of T. laxmannii grown in the impact zone revealed, proliferation anomalies. Ultrastructural studies of plants showed changes in cell membranes, as well as in the main cytoplasmic organelles. Conclusion The revealed structural changes are assumed to contribute to a slowdown in the ontogenetic development of plants and a decrease in their morphometric parameters under anthropogenic pollution. No significant ultrastructure changes were observed in the roots compared with the leaves, which indicates their high adaptive potential..

Medienart:	E-Artikel

Erscheinungsjahr:	2021
Erschienen:	2021

Enthalten in:	Zur Gesamtaufnahme - volume:465
Enthalten in:	Plant and soil - 465(2021), 1-2 vom: 23. Mai, Seite 273-287

Sprache:	Englisch

Beteiligte Personen:	Minkina, Tatiana M. [VerfasserIn] Fedorenko, Grigoriy M. [VerfasserIn] Nevidomskaya, Dina G. [VerfasserIn] Fedorov, Yuri A. [VerfasserIn] Pol’shina, Tatiana N. [VerfasserIn] Fedorenko, Aleksei G. [VerfasserIn] Chaplygin, Victor A. [VerfasserIn] Mandzhieva, Saglara S. [VerfasserIn] Ghazaryan, Karen A. [VerfasserIn] Movsesyan, Hasmik S. [VerfasserIn] Hassan, Tara M. [VerfasserIn]

Links:	Volltext [lizenzpflichtig]

Themen:	Cattail Fluvisols Macrophytes Pollution Potentially toxic elements Ultrastructure

RVK:	RVK Klassifikation ELIB18

Anmerkungen:	© The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021

doi:	10.1007/s11104-021-05011-x

funding:
Förderinstitution / Projekttitel:

PPN (Katalog-ID):	OLC2127194748

Internformat


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520			\|a Purpose To study the adaptive potential of the plant Typha laxmannii Lepech. to heavy metal (HM) stress on the basis of analysis of its morphological and anatomical features under the conditions of an anthropogenically transformed ecosystem of the Don River Delta. Methods The soils on the monitored plots are of the Fluvisol type. The soil characteristics and total concentrations of Mn, Ni, Cd, Cu, Zn, Pb and Cr in soils and cattail plants were analysed. Anatomical-morphological and electron-microscopic examinations revealed the toxic effect of HMs on the roots and leaves of T. laxmannii plants. Results The studied soils were found to contain high levels of the Zn, Cr, Pb and Cu. It was shown that the sources of Zn, Pb and Cu in the soils were anthropogenic in nature. The high Cr level in soils was due to the natural lithogenic factor. The contents of HM mobile forms in the soils exceeded the maximum permissible concentrations of Cd, Zn, Pb and Ni. An examination of communities of T. laxmannii grown in the impact zone revealed, proliferation anomalies. Ultrastructural studies of plants showed changes in cell membranes, as well as in the main cytoplasmic organelles. Conclusion The revealed structural changes are assumed to contribute to a slowdown in the ontogenetic development of plants and a decrease in their morphometric parameters under anthropogenic pollution. No significant ultrastructure changes were observed in the roots compared with the leaves, which indicates their high adaptive potential.
650		4	\|a Potentially toxic elements
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650		4	\|a Macrophytes
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650		4	\|a Ultrastructure
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700	1		\|a Fedorov, Yuri A. \|4 aut
700	1		\|a Pol’shina, Tatiana N. \|0 (orcid)0000-0003-4152-5957 \|4 aut
700	1		\|a Fedorenko, Aleksei G. \|0 (orcid)0000-0001-7670-0423 \|4 aut
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700	1		\|a Movsesyan, Hasmik S. \|0 (orcid)0000-0001-7665-245X \|4 aut
700	1		\|a Hassan, Tara M. \|4 aut
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Adaptive potential of Typha laxmannii Lepech to a heavy metal contaminated site

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