Zinc Tolerance and Zinc Removal Ability of Living and Dried Biomass of Desmodesmus communis

Novàk, Zoltán; Jánószky, Mihály; B‐Béres, Viktória; Nagy, S.; Bácsi, István

doi:10.1007/s00128-014-1374-7

Cited by 9 publications

(7 citation statements)

References 23 publications

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“…C. sorokiniana exhibited high Zn tolerance, and higher total Zn content, probably because of its high Zn absorption capacity. The biosorption capacity of C. sorokiniana appears to be much higher than that of D. communis (Novák et al, 2014), M. pusillum and M. griffithii (Bácsi et al, 2014), which are reported to be good Zn biosorbents. Therefore, application of a resistant algal species for the purification of wastewater offers a high potential and a cheap strategy for removal of toxic metal ions from polluted water bodies.…”

Section: Zn Metal Biosorption Capacitymentioning

confidence: 88%

“…Studies investigating microalgae responses to Zn stress, have so far mostly addressed changes in growth and metal accumulation (Omar 2002;Bácsi et al, 2014;Dinesh, et al, 2014;Novák et al, 2014). Comparatively, less is known on the effects of Zn in C. sorokiniana and S. acuminatus, at the biochemical level.…”

Section: Zn Stress Inhibits Growth and Induces Oxidative Stressmentioning

confidence: 99%

“…Although C. sorokiniana showed higher total Zn content than S. acuminatus, it appeared C. sorokiniana was more Zn stress tolerant than S. acuminatus. Green algae showed differential Zn tolerance and Zn binding abilities not only in different species, but also at strain level of the same species (Bácsi et al, 2014;Novák et al, 2014), and in a wide range of Zn concentrations on Desmodesmus communis, Monoraphidium pusillum and Monoraphidium griffithii. As far as we know, these are the first data about zinc tolerance of C. sorokiniana and S. acuminatus.…”

Section: Zn Stress Inhibits Growth and Induces Oxidative Stressmentioning

confidence: 99%

“…Several studies on the impact of Zn on microalgal growth have been performed, but its oxidative impact, and the role of antioxidants to provide Zn tolerance, is not well investigated. High Zn concentrations induce oxidative stress and elevated malondialdehyde (MDA) content of malondialdehyde (MDA), an indicator of oxidative damage in lipids in Pavlova viridis, Spirulina platensis and Desmodesmus communis (Li et al, 2006;Choudhary et al, 2007;Novák et al, 2014). Similarly, cell membrane damage of green algae Pseudokirchneriella subcapitata increased significantly, and chlorophyll a concentration was decreased after Zn exposure (Soto et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Zinc-induced differential oxidative stress and antioxidant responses in Chlorella sorokiniana and Scenedesmus acuminatus

Hamed

Zinta

Klöck

et al. 2017

Ecotoxicology and Environmental Safety

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Algae are frequently exposed to toxic metals, and zinc (Zn) is one of the major toxicants present. We exposed two green microalgae, Chlorella sorokiniana and Scenedesmus acuminatus, to sub-lethal concentrations (1.0 and 0.6mM) of Zn for seven days. Algal responses were analysed at the level of growth, oxidative stress, and antioxidants. Growth parameters such as cell culture yield and pigment content were less affected by Zn in C. sorokiniana, despite the fact that this alga accumulated more zinc than S. acuminatus. Also, C. sorokiniana, but not S. acuminatus, was able to acclimatize during long-term exposure to toxic concentrations of the test metals (specific growth rate (µ) was 0.041/day and total chlorophyll was 14.6mg/mL). Although, Zn induced oxidative stress in both species, C. sorokiniana experienced less stress than S. acuminatus. This could be explained by a higher accumulation of antioxidants in C. sorokiniana, where flavonoids, polyphenols, tocopherols, glutathione (GSH) and ascorbate (ASC) content increased. Moreover, antioxidant enzymes glutathione S transferase (GST), glutathione reductase (GR), superoxide dismutase (SOD), peroxidase (POX) and ascorbate peroxidase (APX), showed increased activities in C. sorokiniana. In addition to, and probably also underlying, the higher Zn tolerance in C. sorokiniana, this alga also showed higher Zn biosorption capacity. Use of C. sorokiniana as a bio-remediator, could be considered.

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Section: Zn Metal Biosorption Capacitymentioning

confidence: 88%

Section: Zn Stress Inhibits Growth and Induces Oxidative Stressmentioning

confidence: 99%

Section: Zn Stress Inhibits Growth and Induces Oxidative Stressmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Zinc-induced differential oxidative stress and antioxidant responses in Chlorella sorokiniana and Scenedesmus acuminatus

Hamed

Zinta

Klöck

et al. 2017

Ecotoxicology and Environmental Safety

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“…In this regard, quantitative variables of biological communities in sewage water storage facilities are higher than in water bodies polluted only by surface runoff (Krupa, 2012;Barinova, Krupa & Romanova, 2018). Effective purification of sewage water storage facilities occurs due to the biological activity of unicellular algae which accumulation of heavy metals by cell surface (Fargašova, Bumbálová & Havránek, 1997;Macfie & Welbourn, 2000;Novák, Jánószky, B-Béres, Nagy & Bácsi 2014;Bácsi et al, 2015) more intensively compared to that of macrophytes and ichthyofauna (Chizhikova, Sirotsky, Kharitonova & Utkina, 2011;Niemiec, Szeląg-Sikora, Sikora, Cupiał & Komorowska, 2018).…”

Section: Metalmentioning

confidence: 99%

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Krupa¹,

Sophia²,

Sophia³

2019

Turk. J. Fish. Aquat. Sci.

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The aims of present work were to analyze on the base of our data of 1997-2017 the changes in the content of heavy metals in 118 water bodies in Kazakhstan, determine the relationship between the content of heavy metals and the level of anthropogenic load, to reveal natural factors affecting the accumulation of heavy metals in the water. It was revealed that average Cd content was 0.01-7.7 μg dm-3 , Cu-1.6-158.2, Zn-1.5-44.1, Pb-1.4-19.4, Cr-0.05-14.6, Ni-0.2-227.2 μg dm-3. The level of toxic pollution of water bodies increased against the altitude gradient. The relationship between the content of heavy metals and the altitude of location of a water body was indirect, because was an accompanying change in the pH, temperature, and TDS of water. In water bodies with a TDS above 2000 mg dm-3, Pb, Cr, Cd and Cu were accumulating most intensively, whereas fresh waters contained higher amounts of Zn and Ni. Regression analysis revealed the leading role of pH in the accumulation of heavy metals in water bodies. An increase in anthropogenic load in the direction from mountainous areas to plains led to the additional enrichment of water bodies with heavy metals.

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Metals in Callitriche cophocarpa from small rivers with various levels of pollution in SW Poland

Maksymowicz,

Samecka-Cymerman,

Rajsz

et al. 2023

Environ Sci Pollut Res

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The anthropogenic impact of metals on aquatic environments is a risk for biota, and thus their levels must be controlled. Callitriche cophocarpa Sendtn. belongs to a genus with a potential for accumulation of elevated metal levels. Thus, it may provide consolidated evidence of contamination. Therefore, the aim of this investigation was to determine Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb and Zn in this species collected together with water and bottom sediments from rivers with various levels of pollution. Of these rivers, one less polluted and one more polluted was selected for the collection of C. cophocarpa for an experiment to compare its Cu and Zn concentration potential. Both metals were supplemented at concentrations 0.01, 0.02, 0.03, 0.05, 0.08 and 0.14 mg L−1 of Cu as CuSO4 × 5H2O and 0.4, 0.6, 0,9, 1,35, 2.03 and 3.04 mg L−1 of Zn as ZnSO4 × 7H2O, and in the binary design containing (mg·L−1) 0.01Cu + 0.4Zn, 0.02Cu + 0.6Zn, 0.03Cu + 0.9Zn, 0.05Cu + 1.4Zn, 0.08Cu + 2.03 Zn and 0.14Cu + 3.04Zn. The upper concentrations of Cr, Cu, Mn and Zn in C. cophocarpa shoots from both types of rivers as well as of Ni and Pb in shoots from more polluted rivers were higher than the values typical for toxicity thresholds with no visible harmful effects, which may indicate accumulation abilities of C. cophocarpa for these metals. Both roots and shoots of C. cophocarpa may be included in the group of macroconcentrators for bottom sediments with respect to Cd, Co, Cr, Cu, Fe, Mn, Ni and Zn and deconcentrators of Pb. Greater accumulation of most metals in roots than in shoots indicates their restricted mobility and translocation by C. cophocarpa to shoots. C. cophocarpa from the less polluted river and exposed to all experimental solutions contained significantly higher levels of Cu and Zn than that from the more polluted river exposed to identical experimental solutions. The plants collected from the more polluted river influenced by surplus of metals and living under chemical stress could probably limit further accumulation by developing a resistance mechanism. Cu and Zn contents in C. cophocarpa were higher when treated with separate metals than for binary treatment both in the more and less polluted river. Such research presenting the impact of a combination of metals could be important for understanding and explaining the interactions of these elements which may influence their bioavailability in nature as well as importance in the evaluation of the risk of environmental toxicity.

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Zinc Tolerance and Zinc Removal Ability of Living and Dried Biomass of Desmodesmus communis

Cited by 9 publications

References 23 publications

Zinc-induced differential oxidative stress and antioxidant responses in Chlorella sorokiniana and Scenedesmus acuminatus

Zinc-induced differential oxidative stress and antioxidant responses in Chlorella sorokiniana and Scenedesmus acuminatus

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Metals in Callitriche cophocarpa from small rivers with various levels of pollution in SW Poland

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