Maintenance of Soil Homeostasis under Exposure to Cadmium

Zaborowska, Magdalena; Wyszkowska, Jadwiga; Kucharski, J.

doi:10.1080/00103624.2015.1069311

Cited by 6 publications

(4 citation statements)

References 47 publications

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“…In our experiment, colonies of microorganisms grew faster from wet than from air-dry soils, which is evidenced by higher CD values in the former group of soils (Table 4). This finding is particularly important because the more rapidly growing microorganisms there are in soil, the more easily fresh organic matter is degraded (Zaborowska et al 2015). However, such microorganisms are less stable in the environment than those which grow more slowly.…”

Section: Resultsmentioning

confidence: 99%

Soil moisture as a factor affecting the microbiological and biochemical activity of soil

Borowik¹,

Wyszkowska²

2016

Plant Soil Environ.

142

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The purpose of this research has been to identify relationships between soil moisture and the growth and development of microorganisms, their diversity and the activity of soil enzymes. Four soils with different texture were analysed. Air-dry soils were watered up to the moisture content corresponding to 20, 40 and 60% of the maximum water capacity (MWC) and subsequently were submitted to determinations of the counts of soil microorganisms, colony development index and ecophysiological diversity index for bacteria, actinomycetes and fungi. In addition, the response of seven soil enzymes to soil humidity was examined. It was found that the most optimum soil moisture for the development of organotrophic bacteria was the one at the level of 20% of MWC. For Azotobacter spp. bacteria and actinomycetes, the 40% MWC soil moisture level was optimum, while fungi developed the best at the soil moisture level of 60% of MWC. In turn, the activity of soil dehydrogenases, catalase, urease, acid phosphatase, alkaline phosphatase, β-glucosidase and arylsulfatase was the highest in soil with 20% of MWC. The principal component analysis showed that the soil moisture determined the microbial and biochemical soil activity to a much lesser degree than did the soil type.

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Section: Resultsmentioning

confidence: 99%

Soil moisture as a factor affecting the microbiological and biochemical activity of soil

Borowik¹,

Wyszkowska²

2016

Plant Soil Environ.

142

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“…Many researchers share the view that a decrease in the enzymatic activity of soils is a manifestation of abiotic stress caused by accumulated heavy metals in excessive amounts (Kucharski et al 2011 ; Wyszkowska et al 2013 ; Zaborowska et al 2015b ; Xian et al 2015 ). Dehydrogenases are considered the most sensitive parameters used to assess the effects of soil environment contamination (Gil-Sotres et al 2005 ).…”

Section: Resultsmentioning

confidence: 99%

Biological activity of soil contaminated with cobalt, tin, and molybdenum

Zaborowska

Kucharski

Wyszkowska

2016

Environ Monit Assess

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In this age of intensive industrialization and urbanization, mankind’s highest concern should be to analyze the effect of all metals accumulating in the environment, both those considered toxic and trace elements. With this aim in mind, a unique study was conducted to determine the potentially negative impact of Sn2+, Co2+, and Mo5+ in optimal and increased doses on soil biological properties. These metals were applied in the form of aqueous solutions of Sn2+ (SnCl2.2H2O), Co2+ (CoCl2 · 6H2O), and Mo5+ (MoCl5), each in the doses of 0, 25, 50, 100, 200, 400, and 800 mg kg−1 soil DM. The activity of dehydrogenases, urease, acid phosphatase, alkaline phosphatase, arylsulfatase, and catalase and the counts of twelve microorganism groups were determined on the 25th and 50th day of experiment duration. Moreover, to present the studied problem comprehensively, changes in the biochemical activity and yield of spring barley were shown using soil and plant resistance indices—RS. The study shows that Sn2+, Co2+, and Mo5+ disturb the state of soil homeostasis. Co2+ and Mo5+ proved the greatest soil biological activity inhibitors. The residence of these metals in soil, particularly Co2+, also generated a drastic decrease in the value of spring barley resistance. Only Sn2+ did not disrupt its yielding. The studied enzymes can be arranged as follows for their sensitivity to Sn2+, Co2+, Mo5+: Deh > Ure > Aryl > Pal > Pac > Cat. Dehydrogenases and urease may be reliable soil health indicators.

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“…Like in the case of eukaryotic microorganisms, toxic effects of heavy metals on cells of microorganisms depend on metal type and concentration, and species of cultivated plant [69][70][71]. In the present study, heavy metals elicited various effects on microorganisms tested.…”

Section: Sensitivity Of Soil Microorganisms To the Effects Of Ni 2+ ...mentioning

confidence: 57%

“…Our previous research [4] conducted with soil sown with Brassica napus demonstrated actinobacteria to be more resistant to the effects of Cd 2+ than Co 2+ and Ni 2+ . The diversified effects of heavy metals on microorganisms were also pinpointed by Zaborowska et al [69] and Giller et al [72]. In turn, in experiments carried out by Zaborowska et al [73] and Boros-Lajszner et al [74], the adverse effect of Co 2+ on the microbiome aggravated along with its increasing content in the soil.…”

Section: Sensitivity Of Soil Microorganisms To the Effects Of Ni 2+ ...mentioning

confidence: 82%

Energetic Value of Elymus elongatus L. and Zea mays L. Grown on Soil Polluted with Ni2+, Co2+, Cd2+, and Sensitivity of Rhizospheric Bacteria to Heavy Metals

Boros-Lajszner¹,

Wyszkowska²,

Borowik³

et al. 2021

Energies

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Plants, and microorganisms associated with them, offer an effective tool for removing pollutants, such as heavy metals, from the soil environment. The aim of this study was to determine changes caused by Ni2+, Co2+, and Cd2+ in the genetic diversity of soil-populating bacteria and the effect these heavy metals on the heating value of elongated coach grass (Elymus elongatus L.) and maize (Zea mays L.). Microorganisms support plants in removing heavy metals from soil. These plants can then be used for energetic purposes. The study aim was accomplished by determining counts of microorganisms and their resistance (RS) to Ni2+, Co2+, Cd2+, their colony development index (CD), ecophysiological diversity index (EP), and diversity established with the next generation sequencing (NGS) method. Further analyses aimed to establish test plants resistance to pollution with heavy metals and their heating value. Organotrophic bacteria turned out to be the most resistant to Co2+, whereas actinobacteria—to Cd2+ effects. At all taxonomic levels, the genetic diversity of bacteria was most adversely influenced by Cd2+ in the soil sown with Zea mays L. Bacteria belonging to Arthrobacter, Rhodoplanes, Kaistobacter, Devosia, Phycicoccus, and Thermomonas genera showed high tolerance to soil pollution with Ni2+, Co2+, and Cd2+, hence they should be perceived as potential sources of microorganisms useful for bioaugmentation of soils polluted with these heavy metals. Ni2+, Co2+, and Cd2+ had no effect on the heating value of Elymus elongatus L. and Zea mays L. The heating value of 1 kg of air-dry biomass of the tested plants was relatively high and ranged from 14.6 to 15.1 MJ. Elymus elongatus L. proved more useful in phytoremediation than Zea mays L.

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Maintenance of Soil Homeostasis under Exposure to Cadmium

Cited by 6 publications

References 47 publications

Soil moisture as a factor affecting the microbiological and biochemical activity of soil

Soil moisture as a factor affecting the microbiological and biochemical activity of soil

Biological activity of soil contaminated with cobalt, tin, and molybdenum

Energetic Value of Elymus elongatus L. and Zea mays L. Grown on Soil Polluted with Ni2+, Co2+, Cd2+, and Sensitivity of Rhizospheric Bacteria to Heavy Metals

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