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Mohammad Yaghoubi Khanghahi
Dipartimento di Scienze del Suolo della Pianta e degli Alimenti (Di.S.S.P.A), Università degli studi di Bari “Aldo Moro”, Via G. Amendola 165/A, I-70126 Bari, Italy

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Journal article
Published: 26 June 2021 in Biology
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Fire events in agricultural soils can modify not only soil properties but also the structure of soil microbial communities, especially in soils containing high concentrations of potentially toxic elements (PTEs). The recolonization of burned soils can in fact favor the proliferation of certain microorganisms, more adaptable to post-fire soil conditions and higher PTE availability, over others. In this study, we simulated with laboratory experiments the microbial recolonization of an agricultural soil containing high Cr concentrations after heating at 500 °C for 30 min, to mimic the burning of crop residues. Changes in soil properties and Cr speciation were assessed, as well as soil microbial structure by means of 16S rRNA gene sequencing. Both altered soil conditions and increased Cr availability, especially Cr(VI), appeared to be responsible for the reduction in species diversity in heated soils and the proliferation of Firmicutes. Indeed, already after 3 days from the heat treatment, Firmicutes increased from 14% to 60% relative abundance. In particular, Paenibacillus was the most abundant genus identified after the simulation, with an average relative abundance of 40%. These bacteria are known to be good fire-responders and Cr-tolerant. These results could be useful to identify bacterial strains to be used as bioindicators of altered environments and for the recovery of fire-impacted polluted sites.

ACS Style

Ida Rascio; Maddalena Curci; Concetta Gattullo; Anna Lavecchia; Mohammad Yaghoubi Khanghahi; Roberto Terzano; Carmine Crecchio. Combined Effect of Laboratory-Simulated Fire and Chromium Pollution on Microbial Communities in an Agricultural Soil. Biology 2021, 10, 587 .

AMA Style

Ida Rascio, Maddalena Curci, Concetta Gattullo, Anna Lavecchia, Mohammad Yaghoubi Khanghahi, Roberto Terzano, Carmine Crecchio. Combined Effect of Laboratory-Simulated Fire and Chromium Pollution on Microbial Communities in an Agricultural Soil. Biology. 2021; 10 (7):587.

Chicago/Turabian Style

Ida Rascio; Maddalena Curci; Concetta Gattullo; Anna Lavecchia; Mohammad Yaghoubi Khanghahi; Roberto Terzano; Carmine Crecchio. 2021. "Combined Effect of Laboratory-Simulated Fire and Chromium Pollution on Microbial Communities in an Agricultural Soil." Biology 10, no. 7: 587.

Journal article
Published: 03 June 2021 in Sustainability
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Crop residues are widely considered as a biofuel source and used in livestock feeding, or are burned off to clean the field for tillage and planting. Nonetheless, crop residue burning poses serious threats to the soil stability and sustainability of the food chain. This study aimed to investigate the potential environmental impacts of wheat residues burning on declines in soil quality in developing (Iran) and developed (Italy) countries by analyzing metadata of the last 50 years. All metadata were provided from the ‘Food and Agriculture Organization of the United Nations’ (FAO) including wheat harvested area, annual production, and biomass burning, to assess the potential impact of crop residue burning on soil quality. In detail, the greenhouse gases (GHGs) emission, and energy and nutrient losses by the wheat residues burning were estimated. Our results showed a robust interdependence between wheat residues burning and environmental effects in both developed and developing systems. Accordingly, the global warming potential increased in Iran (4286 to 5604 kg CO2eq) and decreased in Italy (3528 to 1524 kg CO2eq) over the last 50 years. Amongst all nutrient losses, nitrogen represents the higher lost value in both countries, followed by potassium, sulfur, and phosphorus.

ACS Style

Mohsen Jamali; Esmaeil Bakhshandeh; Mohammad Yaghoubi Khanghahi; Carmine Crecchio. Metadata Analysis to Evaluate Environmental Impacts of Wheat Residues Burning on Soil Quality in Developing and Developed Countries. Sustainability 2021, 13, 6356 .

AMA Style

Mohsen Jamali, Esmaeil Bakhshandeh, Mohammad Yaghoubi Khanghahi, Carmine Crecchio. Metadata Analysis to Evaluate Environmental Impacts of Wheat Residues Burning on Soil Quality in Developing and Developed Countries. Sustainability. 2021; 13 (11):6356.

Chicago/Turabian Style

Mohsen Jamali; Esmaeil Bakhshandeh; Mohammad Yaghoubi Khanghahi; Carmine Crecchio. 2021. "Metadata Analysis to Evaluate Environmental Impacts of Wheat Residues Burning on Soil Quality in Developing and Developed Countries." Sustainability 13, no. 11: 6356.

Review article
Published: 03 May 2021 in Chemosphere
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In the last years, uncontrolled fires are frequently occurring in forest and agricultural areas as an indirect effect of the rising aridity and global warming or caused by intentional illegal burnings. In addition, controlled burning is still largely used by farmers as an agricultural practice in many parts of the world. During fire events, soil can reach very high temperatures at the soil surface, causing dramatic changes of soil properties and elements biogeochemistry. Among soil elements, also potentially toxic elements (PTEs) can be affected by fires, becoming more or less mobile and bioavailable, depending on fire severity and soil characteristics. Such transformations could be particularly relevant in agricultural soils used for crop productions since fire events could modify PTEs speciation and uptake by plants and associated (micro)organisms thus endangering the whole food-chain. In this review, after describing the effects of fire on soil minerals and organic matter, the impact of fires on PTEs distribution and speciation in soils is presented, as well as their influence on soil microorganisms and plants uptake. The most common experimental methods used to simulate fires at the laboratory and field scale are briefly illustrated, and finally the impact that traditional and innovative agricultural practices can have on PTEs availability in burned agricultural soils is discussed in a future research perspective.

ACS Style

Roberto Terzano; Ida Rascio; Ignazio Allegretta; Carlo Porfido; Matteo Spagnuolo; Mohammad Yaghoubi Khanghahi; Carmine Crecchio; Fani Sakellariadou; Concetta Eliana Gattullo. Fire effects on the distribution and bioavailability of potentially toxic elements (PTEs) in agricultural soils. Chemosphere 2021, 281, 130752 .

AMA Style

Roberto Terzano, Ida Rascio, Ignazio Allegretta, Carlo Porfido, Matteo Spagnuolo, Mohammad Yaghoubi Khanghahi, Carmine Crecchio, Fani Sakellariadou, Concetta Eliana Gattullo. Fire effects on the distribution and bioavailability of potentially toxic elements (PTEs) in agricultural soils. Chemosphere. 2021; 281 ():130752.

Chicago/Turabian Style

Roberto Terzano; Ida Rascio; Ignazio Allegretta; Carlo Porfido; Matteo Spagnuolo; Mohammad Yaghoubi Khanghahi; Carmine Crecchio; Fani Sakellariadou; Concetta Eliana Gattullo. 2021. "Fire effects on the distribution and bioavailability of potentially toxic elements (PTEs) in agricultural soils." Chemosphere 281, no. : 130752.

Journal article
Published: 30 December 2020 in Microorganisms
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This study aimed to isolate lactic acid bacteria (LAB) from wheat rhizosphere, to characterize their in vitro plant growth promoting activities and to differentiate plant-associated LAB from those associated with foods or human disease through comparative genomic analysis. Lactococcus lactis subsp. lactis and Enterococcus faecium were isolated using de Man-Rogosa-Sharpe (MRS) and Glucose Yeast Peptone (GYP) as enrichment culture media. Comparative genomic analyses showed that plant-associated LAB strains were enriched in genes coding for bacteriocin production when compared to strains from other ecosystems. Isolates o f L. lactis and E. faecium did not produce physiologically relevant concentrations of the phyto-hormone indolacetic acid. All isolates solubilized high amount of phosphate and 12 of 16 strains solubilized potassium. E. faecium LB5, L. lactis LB6, LB7, and LB9 inhibited the plant pathogenic Fusarium graminearum to the same extent as two strains of Bacillus sp. However, the antifungal activity of the abovementioned LAB strains depended on the medium of cultivation and a low pH while antifungal activity of Bacillus spp. was independent of the growth medium and likely relates to antifungal lipopeptides. This study showed the potential of rhizospheric LAB for future application as biofertilizers in agriculture.

ACS Style

Sabrina Strafella; David Simpson; Mohammad Yaghoubi Khanghahi; Maria De Angelis; Michael Gänzle; Fabio Minervini; Carmine Crecchio. Comparative Genomics and In Vitro Plant Growth Promotion and Biocontrol Traits of Lactic Acid Bacteria from the Wheat Rhizosphere. Microorganisms 2020, 9, 78 .

AMA Style

Sabrina Strafella, David Simpson, Mohammad Yaghoubi Khanghahi, Maria De Angelis, Michael Gänzle, Fabio Minervini, Carmine Crecchio. Comparative Genomics and In Vitro Plant Growth Promotion and Biocontrol Traits of Lactic Acid Bacteria from the Wheat Rhizosphere. Microorganisms. 2020; 9 (1):78.

Chicago/Turabian Style

Sabrina Strafella; David Simpson; Mohammad Yaghoubi Khanghahi; Maria De Angelis; Michael Gänzle; Fabio Minervini; Carmine Crecchio. 2020. "Comparative Genomics and In Vitro Plant Growth Promotion and Biocontrol Traits of Lactic Acid Bacteria from the Wheat Rhizosphere." Microorganisms 9, no. 1: 78.

Journal article
Published: 22 July 2020 in Applied Sciences
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The present research aimed at evaluating the harmless dissipation of excess excitation energy by durum wheat (Triticum durum Desf.) leaves in response to the application of a bacterial consortium consisting of four plant growth-promoting bacteria (PGPB). Three pot experiments were carried out under non-stress, drought (at 40% field capacity), and salinity (150 mM NaCl) conditions. The results showed that drought and salinity affected photo-protective energy dissipation of photosystem II (PSII) increasing the rate of non-photochemical chlorophyll fluorescence quenching (NPQ (non-photochemical quenching) and qCN (complete non-photochemical quenching)), as well as decreasing the total quenching of chlorophyll fluorescence (qTQ), total quenching of variable chlorophyll fluorescence (qTV) and the ratio of the quantum yield of actual PSII photochemistry, in light-adapted state to the quantum yield of the constitutive non-regulatory NPQ (PQ rate). Our results also indicated that the PGPB inoculants can mitigate the adverse impacts of stresses on leaves, especially the saline one, in comparison with the non-fertilized (control) treatment, by increasing the fraction of light absorbed by the PSII antenna, PQ ratio, qTQ, and qTV. In the light of findings, our beneficial bacterial strains showed the potential in reducing reliance on traditional chemical fertilizers, in particular in saline soil, by improving the grain yield and regulating the amount of excitation energy.

ACS Style

Mohammad Yaghoubi Khanghahi; Sabrina Strafella; Carmine Crecchio. Changes in Photo-Protective Energy Dissipation of Photosystem II in Response to Beneficial Bacteria Consortium in Durum Wheat under Drought and Salinity Stresses. Applied Sciences 2020, 10, 5031 .

AMA Style

Mohammad Yaghoubi Khanghahi, Sabrina Strafella, Carmine Crecchio. Changes in Photo-Protective Energy Dissipation of Photosystem II in Response to Beneficial Bacteria Consortium in Durum Wheat under Drought and Salinity Stresses. Applied Sciences. 2020; 10 (15):5031.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Sabrina Strafella; Carmine Crecchio. 2020. "Changes in Photo-Protective Energy Dissipation of Photosystem II in Response to Beneficial Bacteria Consortium in Durum Wheat under Drought and Salinity Stresses." Applied Sciences 10, no. 15: 5031.

Journal article
Published: 10 November 2019 in Diversity
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The current study was performed to investigate the effects of three different long-term land use intensities on adjacent soil plots, namely a winter wheat field, a grass-covered vineyard, and a cherry farm, on soil biochemical, microbial, and molecular parameters. The results showed the maximum content of soil organic matter (SOM) and microbial biomass carbon (MBC) observed in the grass-covered vineyard. Basal respiration (BSR) and the cumulated respiration (CSR) after 25 days of incubation were significantly higher in the grass-covered vineyard and cherry farm, respectively (BSR 11.84 mg CO2–C kg−1 soil d−1, CSR 226.90 mg CO2–C kg−1 soil). Grass-covered vineyard showed the highest soil biological fertility index (BFI) score (20) and ranked in the class IV (good) of soil biological fertility. Cereal field and cherry farm had lower BFI scores and the corresponding BFI class was III (medium). In addition, the maximum ribosomal RNA copy number and the highest abundance of oligotrophic bacterial groups (25.52% Actinobacteria, 3.45% Firmicutes, and 1.38% Acidobacteria) were observed in the grass-covered vineyard. In conclusion, the grass-covered vineyard is a more conservative system and could have a large potential to improve total carbon storage in soil, mainly because of the cover crop residue management and the low soil perturbation through the no-tillage system.

ACS Style

Mohammad Yaghoubi Khanghahi; Pasqua Murgese; Sabrina Strafella; Carmine Crecchio. Soil Biological Fertility and Bacterial Community Response to Land Use Intensity: A Case Study in the Mediterranean Area. Diversity 2019, 11, 211 .

AMA Style

Mohammad Yaghoubi Khanghahi, Pasqua Murgese, Sabrina Strafella, Carmine Crecchio. Soil Biological Fertility and Bacterial Community Response to Land Use Intensity: A Case Study in the Mediterranean Area. Diversity. 2019; 11 (11):211.

Chicago/Turabian Style

Mohammad Yaghoubi Khanghahi; Pasqua Murgese; Sabrina Strafella; Carmine Crecchio. 2019. "Soil Biological Fertility and Bacterial Community Response to Land Use Intensity: A Case Study in the Mediterranean Area." Diversity 11, no. 11: 211.