Soil microbial community and abiotic soil properties influence Zn and Cd hyperaccumulation differently in Arabidopsis halleri

Kushwaha, Priyanka; Neilson, Julia W.; Maier, Raina M.; Babst-Kostecka, Alicja

doi:10.1016/j.scitotenv.2021.150006

Cited by 24 publications

(9 citation statements)

References 84 publications

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“…In particular, soil fauna feeding activity and bacteria functional diversity were higher under plants from M compared to NM ecotype, suggesting an overall stronger positive effect of M plants on metalliferous soil fauna and soil bacteria. These findings support and complement the recent field study by Kushwaha et al (2022), which used the DNA amplicon sequencing approach and demonstrated that M A. halleri recruited a greater number of unique rhizosphere taxa at metal contaminated sites than their NM counterparts in non‐contaminated sites. A possible explanation for these findings is that M plants in their metalliferous sites evolved important adaptive strategies to enrich their rhizosphere with organic root exudates and harbor and support the growth of specific microbial taxa that improve plant responses to environmental stress (Kushwaha et al, 2022; Trivedi et al, 2020; Yeoh et al, 2017).…”

Section: Discussionsupporting

confidence: 89%

“…Although A. halleri is commonly accepted as a model species to study heavy metal accumulation and tolerance in plants (Roosens et al, 2008; Sailer et al, 2018), its phytoremediation potential and phytoextraction efficiency have only recently started to be qualitatively evaluated in in‐situ studies (Dietrich et al, 2021) and more research is needed to strengthen the scientific basis and successful implementation of A. halleri in future phytoremediation efforts. Recent work has demonstrated substantial differences in metal hyperaccumulation among its populations (Babst‐Kostecka et al, 2018; Kushwaha et al, 2022) and highlighted distinct diversity and structure of root‐associated soil microbiome at polluted versus unpolluted sites (Borymski et al, 2018; Gomez‐Balderas et al, 2017; Kushwaha et al, 2022). Yet, the associations of metalliferous soil microbiota with intra‐specific variation in metal hyperaccumulation trait in A. halleri remains unknown.…”

Section: Introductionmentioning

confidence: 99%

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Diversity and activity of soil biota at a post‐mining site highly contaminated with Zn and Cd are enhanced by metallicolous compared to non‐metallicolous Arabidopsis halleri ecotypes

Klimek

Stępniewska

Seget³

et al. 2023

Land Degrad Dev

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Hyperaccumulators' ability to take up large quantities of harmful heavy metals from contaminated soils and store them in their foliage makes them promising organisms for bioremediation. Here we demonstrate that some ecotypes of the zinc hyperaccumulator Arabidopsis halleri are more suitable for bioremediation than others, because of their distinct influence on soil biota. In a field experiment, populations originating from metal‐polluted and unpolluted soils were transplanted to a highly contaminated metalliferous site in Southern Poland. Effects of plant ecotypes on soil biota were assessed by measurements of feeding activity of soil fauna (bait‐lamina test) and catabolic activity and functional diversity of soil bacteria underneath A. halleri plants (Biolog® ECO plates). Chemical soil properties, plant morphological parameters, and zinc concentration in shoots and roots were additionally evaluated. Higher soil fauna feeding activity and higher bacterial community functional diversity were found in soils affected by A. halleri plants originating from metallicolous compared to non‐metallicolous ecotypes. Differences in community‐level physiological profiles further evidenced changes in microbial communities in response to plant ecotype. These soil characteristics were positively correlated with plant size. No differences in zinc content in shoots and roots, zinc translocation ratio, and plant morphology were observed between metallicolous and non‐metallicolous plants. Our results indicate strong associations between A. halleri ecotype and soil microbial community properties. In particular, the improvement of soil biological properties by metallicolous accessions should be further explored to optimize hyperaccumulator‐based bioremediation technologies.

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Diversity and activity of soil biota at a post‐mining site highly contaminated with Zn and Cd are enhanced by metallicolous compared to non‐metallicolous Arabidopsis halleri ecotypes

Klimek

Stępniewska

Seget³

et al. 2023

Land Degrad Dev

View full text Add to dashboard Cite

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“…Permutational multivariate analysis of variance (PerMANOVA) was employed to assess significant temporal variations using the adonis command in the vegan package based on 999 permutations ( Oksanen et al., 2013 ). Biomarkers of fungi with significantly different relative abundance from phylum to genus levels among seasons were investigated by using linear discriminant analysis (LDA) effect size (LEfSe) ( Segata et al., 2011 ), and the threshold for logarithmic LDA score was set to 4.0 ( Qian et al., 2021 ; Kushwaha et al., 2022 ). To evaluate the preference between season and fungi, the preference analysis was implied using the bipartite package ( Toju et al., 2016 ).…”

Section: Methodsmentioning

confidence: 99%

Temporal variations in root-associated fungal communities of Potaninia mongolica, an endangered relict shrub species in the semi-arid desert of Northwest China

Wang

Maitra

et al. 2022

Front. Plant Sci.

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The semi-arid region of the Western Ordos plateau in Inner Mongolia, China, is home to a critically endangered shrub species, Potaninia mongolica, which originates from ancient Mediterranean regions. Root-associated microbiomes play important roles in plant nutrition, productivity, and resistance to environmental stress particularly in the harsh desert environment; however, the succession of root-associated fungi during the growth stages of P. mongolica is still unclear. This study aimed to examine root-associated fungal communities of this relict plant species across three seasons (spring, summer and autumn) using root sampling and Illumina Miseq sequencing of internal transcribed spacer 2 (ITS 2) region to target fungi. The analysis detected 698 fungal OTUs in association with P. mongolica roots, and the fungal richness increased significantly from spring to summer and autumn. Eurotiales, Hypocreales, Chaetothyriales, Pleosporales, Helotiales, Agaricales and Xylariales were the dominant fungal orders. Fungal community composition was significantly different between the three seasons, and the fungal taxa at various levels showed biased distribution and preferences. Stochastic processes predominantly drove community assembly of fungi in spring while deterministic processes acted more in the later seasons. The findings revealed the temporal dynamics of root-associated fungal communities of P. mongolica, which may enhance our understanding of biodiversity and changes along with seasonal alteration in the desert, and predict the response of fungal community to future global changes.

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“…Thus, these unique traits of A. halleri have a potential to be applied in the development of urgently needed new phytomanagement strategies, especially where metal removal from contaminated soils or recovery from plant biomass is desired. In this study, we specifically investigated locations for which extremely high concentrations of Zn both in soil and in plant shoots have previously been reported [ 79 , 80 ].…”

Section: Introductionmentioning

confidence: 99%

Green and Effective Preparation of α-Hydroxyphosphonates by Ecocatalysis

et al. 2022

Self Cite

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A green and effective approach for the synthesis of structurally diversed α-hydroxyphosphonates via hydrophosphonylation of aldehydes under solventless conditions and promoted by biosourced catalysts, called ecocatalysts “Eco-MgZnOx” is presented. Ecocatalysts were prepared from Zn-hyperaccumulating plant species Arabidopsis halleri, with simple and benign thermal treatment of leaves rich in Zn, and without any further chemical treatment. The elemental composition and structure of Eco-MgZnOx were characterized by MP–AES, XRPD, HRTEM, and STEM–EDX techniques. These analyses revealed a natural richness in two unusual and valuable mixed zinc–magnesium and iron–magnesium oxides. The ecocatalysts were employed in this study to demonstrate their potential use in hydrophosphonylation of aldehydes, leading to various α-hydroxyphosphonate derivatives, which are critical building blocks in the modern chemical industry. Computational chemistry was performed to help discriminate the role of some of the constituents of the mixed oxide ecocatalysts. High conversions, broad substrate scope, mild reaction conditions, and easy purification of the final products together with simplicity of the preparation of the ecocatalysts are the major advantages of the presented protocol. Additionally, Eco-MgZnOx-P could be recovered and reused for up to five times.

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Soil microbial community and abiotic soil properties influence Zn and Cd hyperaccumulation differently in Arabidopsis halleri

Cited by 24 publications

References 84 publications

Diversity and activity of soil biota at a post‐mining site highly contaminated with Zn and Cd are enhanced by metallicolous compared to non‐metallicolous Arabidopsis halleri ecotypes

Diversity and activity of soil biota at a post‐mining site highly contaminated with Zn and Cd are enhanced by metallicolous compared to non‐metallicolous Arabidopsis halleri ecotypes

Temporal variations in root-associated fungal communities of Potaninia mongolica, an endangered relict shrub species in the semi-arid desert of Northwest China

Green and Effective Preparation of α-Hydroxyphosphonates by Ecocatalysis

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