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Key genes of electron transfer, the nitrogen cycle and tetracycline removal in bioelectrochemical systems.
Biotechnol Biofuels Bioprod
November 2023
College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, People's Republic of China.
Background: Soil microbial fuel cells (MFCs) can remove antibiotics and antibiotic resistance genes (ARGs) simultaneously, but their removal mechanism is unclear. In this study, metagenomic analysis was employed to reveal the functional genes involved in degradation, electron transfer and the nitrogen cycle in the soil MFC.
Results: The results showed that the soil MFC effectively removed tetracycline in the overlapping area of the cathode and anode, which was 64% higher than that of the control.
Commonalities between the Atacama Desert and Antarctica rhizosphere microbial communities.
Front Microbiol
July 2023
Instituto de Ciencias Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, Temuco, Chile.
Plant-microbiota interactions have significant effects on plant growth, health, and productivity. Rhizosphere microorganisms are involved in processes that promote physiological responses to biotic and abiotic stresses in plants. In recent years, the interest in microorganisms to improve plant productivity has increased, mainly aiming to find promising strains to overcome the impact of climate change on crops.
View Article and Find Full Text PDFMetagenomic analysis of rhizosphere microbiome provides insights into occurrence of iron deficiency chlorosis in field of Asian pears.
BMC Microbiol
January 2022
School of Horticulture, Anhui Agricultural University, Hefei, 230036, Anhui, P.R. China.
Article Synopsis
- The study investigates how microbial communities in the rhizosphere soil relate to iron-deficiency chlorosis (FDC) in Asian pear plants, finding a distinct bacterial community composition between affected and healthy plants.
- The analysis revealed that chlorotic leaves showed correlations between total iron and other minerals, while both leaf structure and microbial diversity significantly differed, with fewer stable communities in chlorotic plants.
- Specific bacterial species in the soils of both plant types were identified, noting a decrease in abundance of key species in chlorotic plants, suggesting that poor soil aeration may contribute to FDC.
Metagenomic analysis reveals functional genes in soil microbial electrochemical removal of tetracycline.
J Hazard Mater
April 2021
Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs / Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, MARA / Tianjin Key Laboratory of Agro-Environment and Agro-Product Safety, Tianjin 300191, China; College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China. Electronic address:
Microbial fuel cells (MFCs) are capable of removing tetracycline in soils, in which the degradation efficiency of tetracycline is hindered by its strong adsorption capacity. Phosphate was chosen as a competitor for tetracycline adsorption to improve its removal rate in soil MFCs. The results showed that 42-50% of tetracycline was degraded within 7 days, which was 42-67% higher than open-circuit treatments.
View Article and Find Full Text PDFGemmatirosa kalamazoonesis gen. nov., sp. nov., a member of the rarely-cultivated bacterial phylum Gemmatimonadetes.
J Gen Appl Microbiol
February 2014
Department of Biosystems Engineering & Soil Science, The University of Tennessee, Knoxville, TN 37996, USA.
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