Articles | Volume 2, issue 3
https://doi.org/10.5194/soil-2-487-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/soil-2-487-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Original research article
| 
21 Sep 2016
Original research article |
| 21 Sep 2016
Citrate and malonate increase microbial activity and alter microbial community composition in uncontaminated and diesel-contaminated soil microcosms
Belinda C. Martin
CORRESPONDING AUTHOR
School of Plant Biology, The University of Western Australia, 6009 Crawley, WA, Australia
Suman J. George
School of Earth and Environment, The University of Western Australia, 6009 Crawley, WA, Australia
Charles A. Price
School of Plant Biology, The University of Western Australia, 6009 Crawley, WA, Australia
Esmaeil Shahsavari
Centre for Environmental Sustainability and Bioremediation, School of Applied Sciences, RMIT University, 3082 Melbourne, VIC, Australia
Andrew S. Ball
Centre for Environmental Sustainability and Bioremediation, School of Applied Sciences, RMIT University, 3082 Melbourne, VIC, Australia
Mark Tibbett
Centre for Agri-Environmental Research, School of Agriculture Policy and Development, University of Reading, Berkshire, RG6 6AR, UK
Megan H. Ryan
School of Plant Biology, The University of Western Australia, 6009 Crawley, WA, Australia
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Cited
24 citations as recorded by crossref.
- Belowground solutions to global challenges: special issue from the 9th symposium of the International Society of Root Research M. Ryan et al. https://doi.org/10.1007/s11104-017-3200-6
- Different genotypes of tartary buckwheat can regulate the transformation of nitrogen through the secretion of organic acids under low nitrogen stress W. Chen et al. https://doi.org/10.1016/j.ejsobi.2023.103543
- Root diameter decreases and rhizosheath carboxylates and acid phosphatases increase in chickpea during plant development J. Pang et al. https://doi.org/10.1007/s11104-022-05579-y
- Application of biochar with functional microorganisms for enhanced atrazine removal and phosphorus utilization Y. Tao et al. https://doi.org/10.1016/j.jclepro.2020.120535
- A significant increase in rhizosheath carboxylates and greater specific root length in response to terminal drought is associated with greater relative phosphorus acquisition in chickpea M. Sharma et al. https://doi.org/10.1007/s11104-020-04776-x
- An agronomic study of legacy effects from annual legume pastures in acid soils D. Kidd et al. https://doi.org/10.1111/jac.12642
- Natural attenuation of legacy hydrocarbon spills in pristine soils is feasible despite difficult environmental conditions in the monsoon tropics D. Gleeson et al. https://doi.org/10.1016/j.scitotenv.2021.149335
- Plants in constrained canopy micro-swards compensate for decreased root biomass and soil exploration with increased amounts of rhizosphere carboxylates R. Jeffery et al. https://doi.org/10.1071/FP16398
- Exudates of Carboxylates by Roots and Their Implications for Nutrient, Contaminant and Carbon Dynamics in Soil N. Bolan et al. https://doi.org/10.1080/07352689.2025.2549655
- Low Light Availability Alters Root Exudation and Reduces Putative Beneficial Microorganisms in Seagrass Roots B. Martin et al. https://doi.org/10.3389/fmicb.2017.02667
- Low molecular weight organic acids enhance the high molecular weight polycyclic aromatic hydrocarbons degradation by bacteria A. Sivaram et al. https://doi.org/10.1016/j.chemosphere.2019.01.110
- Bacterial Isolate Inhabiting Spitsbergen Soil Modifies the Physiological Response of Phaseolus coccineus in Control Conditions and under Exogenous Application of Methyl Jasmonate and Copper Excess A. Hanaka et al. https://doi.org/10.3390/ijms20081909
- Optimizing irrigation water use for cost-effective rhizoremediation of oil-contaminated soils with special reference to arid regions E. Odion et al. https://doi.org/10.1016/j.jenvman.2025.126149
- Phosphate fertiliser alters carboxylates and bacterial communities in sweet potato (Ipomoea batatas (L.) Lam.) rhizosheaths D. Minemba et al. https://doi.org/10.1007/s11104-020-04646-6
- Contrasting patterns in biomass allocation, root morphology and mycorrhizal symbiosis for phosphorus acquisition among 20 chickpea genotypes with different amounts of rhizosheath carboxylates Z. Wen et al. https://doi.org/10.1111/1365-2435.13562
- The carboxylate composition of rhizosheath and root exudates from twelve species of grassland and crop legumes with special reference to the occurrence of citramalate D. Kidd et al. https://doi.org/10.1007/s11104-017-3534-0
- Using Low Molecular Weight Organic Acids to Enhance Microbial Degradation of Polycyclic Aromatic Hydrocarbons: Current Understanding and Future Perspectives L. Zhang et al. https://doi.org/10.3390/w13040446
- Mechanism of tartaric acid mediated dissipation and biotransformation of tetrabromobisphenol A and its derivatives in soil X. Zhang et al. https://doi.org/10.1016/j.jhazmat.2024.134350
- Molecular mechanisms in phytoremediation of environmental contaminants and prospects of engineered transgenic plants/microbes P. Rai et al. https://doi.org/10.1016/j.scitotenv.2019.135858
- Root endophyte-enhanced peanut-rhizobia interaction is associated with regulation of root exudates H. Wang et al. https://doi.org/10.1016/j.micres.2021.126765
- Arbuscular mycorrhizal fungi hypha shape atrazine degradation ability of microbiota by increasing soil aggregation Y. Sun et al. https://doi.org/10.1007/s00572-026-01259-2
- Progress in nature-based techniques for emerging contaminant removal: Knowledge gaps, limitations, and future scope P. Verma et al. https://doi.org/10.1016/j.biteb.2025.102462
- Microbe and plant assisted-remediation of organic xenobiotics and its enhancement by genetically modified organisms and recombinant technology: A review I. Hussain et al. https://doi.org/10.1016/j.scitotenv.2018.02.037
- Response of low-molecular-weight organic acids in mangrove root exudates to exposure of polycyclic aromatic hydrocarbons S. Jiang et al. https://doi.org/10.1007/s11356-017-8845-4
24 citations as recorded by crossref.
- Belowground solutions to global challenges: special issue from the 9th symposium of the International Society of Root Research M. Ryan et al. https://doi.org/10.1007/s11104-017-3200-6
- Different genotypes of tartary buckwheat can regulate the transformation of nitrogen through the secretion of organic acids under low nitrogen stress W. Chen et al. https://doi.org/10.1016/j.ejsobi.2023.103543
- Root diameter decreases and rhizosheath carboxylates and acid phosphatases increase in chickpea during plant development J. Pang et al. https://doi.org/10.1007/s11104-022-05579-y
- Application of biochar with functional microorganisms for enhanced atrazine removal and phosphorus utilization Y. Tao et al. https://doi.org/10.1016/j.jclepro.2020.120535
- A significant increase in rhizosheath carboxylates and greater specific root length in response to terminal drought is associated with greater relative phosphorus acquisition in chickpea M. Sharma et al. https://doi.org/10.1007/s11104-020-04776-x
- An agronomic study of legacy effects from annual legume pastures in acid soils D. Kidd et al. https://doi.org/10.1111/jac.12642
- Natural attenuation of legacy hydrocarbon spills in pristine soils is feasible despite difficult environmental conditions in the monsoon tropics D. Gleeson et al. https://doi.org/10.1016/j.scitotenv.2021.149335
- Plants in constrained canopy micro-swards compensate for decreased root biomass and soil exploration with increased amounts of rhizosphere carboxylates R. Jeffery et al. https://doi.org/10.1071/FP16398
- Exudates of Carboxylates by Roots and Their Implications for Nutrient, Contaminant and Carbon Dynamics in Soil N. Bolan et al. https://doi.org/10.1080/07352689.2025.2549655
- Low Light Availability Alters Root Exudation and Reduces Putative Beneficial Microorganisms in Seagrass Roots B. Martin et al. https://doi.org/10.3389/fmicb.2017.02667
- Low molecular weight organic acids enhance the high molecular weight polycyclic aromatic hydrocarbons degradation by bacteria A. Sivaram et al. https://doi.org/10.1016/j.chemosphere.2019.01.110
- Bacterial Isolate Inhabiting Spitsbergen Soil Modifies the Physiological Response of Phaseolus coccineus in Control Conditions and under Exogenous Application of Methyl Jasmonate and Copper Excess A. Hanaka et al. https://doi.org/10.3390/ijms20081909
- Optimizing irrigation water use for cost-effective rhizoremediation of oil-contaminated soils with special reference to arid regions E. Odion et al. https://doi.org/10.1016/j.jenvman.2025.126149
- Phosphate fertiliser alters carboxylates and bacterial communities in sweet potato (Ipomoea batatas (L.) Lam.) rhizosheaths D. Minemba et al. https://doi.org/10.1007/s11104-020-04646-6
- Contrasting patterns in biomass allocation, root morphology and mycorrhizal symbiosis for phosphorus acquisition among 20 chickpea genotypes with different amounts of rhizosheath carboxylates Z. Wen et al. https://doi.org/10.1111/1365-2435.13562
- The carboxylate composition of rhizosheath and root exudates from twelve species of grassland and crop legumes with special reference to the occurrence of citramalate D. Kidd et al. https://doi.org/10.1007/s11104-017-3534-0
- Using Low Molecular Weight Organic Acids to Enhance Microbial Degradation of Polycyclic Aromatic Hydrocarbons: Current Understanding and Future Perspectives L. Zhang et al. https://doi.org/10.3390/w13040446
- Mechanism of tartaric acid mediated dissipation and biotransformation of tetrabromobisphenol A and its derivatives in soil X. Zhang et al. https://doi.org/10.1016/j.jhazmat.2024.134350
- Molecular mechanisms in phytoremediation of environmental contaminants and prospects of engineered transgenic plants/microbes P. Rai et al. https://doi.org/10.1016/j.scitotenv.2019.135858
- Root endophyte-enhanced peanut-rhizobia interaction is associated with regulation of root exudates H. Wang et al. https://doi.org/10.1016/j.micres.2021.126765
- Arbuscular mycorrhizal fungi hypha shape atrazine degradation ability of microbiota by increasing soil aggregation Y. Sun et al. https://doi.org/10.1007/s00572-026-01259-2
- Progress in nature-based techniques for emerging contaminant removal: Knowledge gaps, limitations, and future scope P. Verma et al. https://doi.org/10.1016/j.biteb.2025.102462
- Microbe and plant assisted-remediation of organic xenobiotics and its enhancement by genetically modified organisms and recombinant technology: A review I. Hussain et al. https://doi.org/10.1016/j.scitotenv.2018.02.037
- Response of low-molecular-weight organic acids in mangrove root exudates to exposure of polycyclic aromatic hydrocarbons S. Jiang et al. https://doi.org/10.1007/s11356-017-8845-4
Saved (final revised paper)
Latest update: 22 Jul 2026
Short summary
The aim of this paper was to determine the impact of citrate and malonate on microbial activity and community structure in uncontaminated and diesel-contaminated soil. The results suggest that these carboxylates can stimulate microbial activity and alter microbial community structure but appear to have a minimal effect on enhancing degradation of diesel. However, our results suggest that carboxylates may have an important role in shaping microbial communities even in contaminated soils.
The aim of this paper was to determine the impact of citrate and malonate on microbial activity...
