Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils

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Standard

Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils. / Huang, Mengyuan; Zhang, Yihe; Wu, Jie; Wang, Yuxin; Xie, Yuxin; Geng, Yajun; Zhang, Nan; Michelsen, Anders; Li, Shuqing; Zhang, Ruifu; Shen, Qirong; Zou, Jianwen.

I: Science of the Total Environment, Bind 885, 163789, 2023.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Huang, M, Zhang, Y, Wu, J, Wang, Y, Xie, Y, Geng, Y, Zhang, N, Michelsen, A, Li, S, Zhang, R, Shen, Q & Zou, J 2023, 'Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils', Science of the Total Environment, bind 885, 163789. https://doi.org/10.1016/j.scitotenv.2023.163789

APA

Huang, M., Zhang, Y., Wu, J., Wang, Y., Xie, Y., Geng, Y., Zhang, N., Michelsen, A., Li, S., Zhang, R., Shen, Q., & Zou, J. (2023). Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils. Science of the Total Environment, 885, [163789]. https://doi.org/10.1016/j.scitotenv.2023.163789

Vancouver

Huang M, Zhang Y, Wu J, Wang Y, Xie Y, Geng Y o.a. Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils. Science of the Total Environment. 2023;885. 163789. https://doi.org/10.1016/j.scitotenv.2023.163789

Author

Huang, Mengyuan ; Zhang, Yihe ; Wu, Jie ; Wang, Yuxin ; Xie, Yuxin ; Geng, Yajun ; Zhang, Nan ; Michelsen, Anders ; Li, Shuqing ; Zhang, Ruifu ; Shen, Qirong ; Zou, Jianwen. / Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils. I: Science of the Total Environment. 2023 ; Bind 885.

Bibtex

@article{ab387bec79bb4080a38cf8ce6e2330b4,
title = "Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils",
abstract = "Tropical and subtropical acidic soils are hotspots of global terrestrial nitrous oxide (N2O) emissions, with N2O produced primarily through denitrification. Plant growth-promoting microbes (PGPMs) may effectively mitigate soil N2O emissions from acidic soils, achieved through differential responses of bacterial and fungal denitrification to PGPMs. To test this hypothesis, we conducted a pot experiment and the associated laboratory trials to gain the underlying insights into the PGPM Bacillus velezensis strain SQR9 effects on N2O emissions from acidic soils. SQR9 inoculation significantly reduced soil N2O emissions by 22.6–33.5 %, dependent on inoculation dose, and increased the bacterial AOB, nirK and nosZ genes abundance, facilitating the reduction of N2O to N2 in denitrification. The relative contribution of fungi to the soil denitrification rate was 58.4–77.1 %, suggesting that the N2O emissions derived mainly from fungal denitrification. The SQR9 inoculation significantly inhibited the fungal denitrification and down-regulated fungal nirK gene transcript, dependent on the SQR9 sfp gene, which was necessary for secondary metabolite synthesis. Therefore, our study provides new evidence that decreased N2O emissions from acidic soils can be due to fungal denitrification inhibited by PGPM SQR9 inoculation.",
keywords = "Functional gene, Mitigation, NO, Plant growth-promoting microbe, Soil denitrification",
author = "Mengyuan Huang and Yihe Zhang and Jie Wu and Yuxin Wang and Yuxin Xie and Yajun Geng and Nan Zhang and Anders Michelsen and Shuqing Li and Ruifu Zhang and Qirong Shen and Jianwen Zou",
note = "Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",
year = "2023",
doi = "10.1016/j.scitotenv.2023.163789",
language = "English",
volume = "885",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Bacillus velezensis SQR9 inhibition to fungal denitrification responsible for decreased N2O emissions from acidic soils

AU - Huang, Mengyuan

AU - Zhang, Yihe

AU - Wu, Jie

AU - Wang, Yuxin

AU - Xie, Yuxin

AU - Geng, Yajun

AU - Zhang, Nan

AU - Michelsen, Anders

AU - Li, Shuqing

AU - Zhang, Ruifu

AU - Shen, Qirong

AU - Zou, Jianwen

N1 - Publisher Copyright: © 2023 Elsevier B.V.

PY - 2023

Y1 - 2023

N2 - Tropical and subtropical acidic soils are hotspots of global terrestrial nitrous oxide (N2O) emissions, with N2O produced primarily through denitrification. Plant growth-promoting microbes (PGPMs) may effectively mitigate soil N2O emissions from acidic soils, achieved through differential responses of bacterial and fungal denitrification to PGPMs. To test this hypothesis, we conducted a pot experiment and the associated laboratory trials to gain the underlying insights into the PGPM Bacillus velezensis strain SQR9 effects on N2O emissions from acidic soils. SQR9 inoculation significantly reduced soil N2O emissions by 22.6–33.5 %, dependent on inoculation dose, and increased the bacterial AOB, nirK and nosZ genes abundance, facilitating the reduction of N2O to N2 in denitrification. The relative contribution of fungi to the soil denitrification rate was 58.4–77.1 %, suggesting that the N2O emissions derived mainly from fungal denitrification. The SQR9 inoculation significantly inhibited the fungal denitrification and down-regulated fungal nirK gene transcript, dependent on the SQR9 sfp gene, which was necessary for secondary metabolite synthesis. Therefore, our study provides new evidence that decreased N2O emissions from acidic soils can be due to fungal denitrification inhibited by PGPM SQR9 inoculation.

AB - Tropical and subtropical acidic soils are hotspots of global terrestrial nitrous oxide (N2O) emissions, with N2O produced primarily through denitrification. Plant growth-promoting microbes (PGPMs) may effectively mitigate soil N2O emissions from acidic soils, achieved through differential responses of bacterial and fungal denitrification to PGPMs. To test this hypothesis, we conducted a pot experiment and the associated laboratory trials to gain the underlying insights into the PGPM Bacillus velezensis strain SQR9 effects on N2O emissions from acidic soils. SQR9 inoculation significantly reduced soil N2O emissions by 22.6–33.5 %, dependent on inoculation dose, and increased the bacterial AOB, nirK and nosZ genes abundance, facilitating the reduction of N2O to N2 in denitrification. The relative contribution of fungi to the soil denitrification rate was 58.4–77.1 %, suggesting that the N2O emissions derived mainly from fungal denitrification. The SQR9 inoculation significantly inhibited the fungal denitrification and down-regulated fungal nirK gene transcript, dependent on the SQR9 sfp gene, which was necessary for secondary metabolite synthesis. Therefore, our study provides new evidence that decreased N2O emissions from acidic soils can be due to fungal denitrification inhibited by PGPM SQR9 inoculation.

KW - Functional gene

KW - Mitigation

KW - NO

KW - Plant growth-promoting microbe

KW - Soil denitrification

U2 - 10.1016/j.scitotenv.2023.163789

DO - 10.1016/j.scitotenv.2023.163789

M3 - Journal article

C2 - 37146817

AN - SCOPUS:85158031422

VL - 885

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

M1 - 163789

ER -

ID: 347298013