Application of spray-dried erythromycin fermentation residue as a soil amendment: antibiotic resistance genes, nitrogen cycling, and microbial community structure

Liu, Yucan; Wang, Gang; Liu, Huiling; Dai, Xiaohu

doi:10.1007/s11356-022-23361-6

Cited by 5 publications

(3 citation statements)

References 48 publications

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“…Furthermore, the long-term accumulation of harmful algae has a negative impact on the conversion of substances and the healthy growth of fish in the pond. In addition, if the pond sediment is not cleaned for a long time, substances at the bottom of the pond such as sludge will decompose and ferment, consuming oxygen during decomposition [ 12 ] and producing nitrite nitrogen during fermentation [ 13 ]. Also, water temperature is a reason for the varying concentrations of nitrite nitrogen and nitrate nitrogen in the three ponds.…”

Section: Analysis and Discussionmentioning

confidence: 99%

Analysis of changes in nutrient salts and other water quality indexes in the pond water for largemouth bass (micropterus salmoides) farming

Qiu,

Zhang,

et al. 2024

Heliyon

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Section: Analysis and Discussionmentioning

confidence: 99%

Analysis of changes in nutrient salts and other water quality indexes in the pond water for largemouth bass (micropterus salmoides) farming

Qiu,

Zhang,

et al. 2024

Heliyon

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“…Nitrogen application at the budding stage enhances the presence of Actinobacteria, which stimulates the growth of ammonium assimilation microorganisms and elevates

-N content. Research indicates that higher bacterial diversity can positively impact the capability of native microbes to defend against the intrusion of alien species (Shen et al, 2019 ; Zhang et al, 2022 ). Actinobacteria, the prominent phylum in the ammonium assimilation pathway, have the ability to resist diseases and safeguard plant health (Mitra et al, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

“…Microbial community structure is established based on functional genes (Burke et al, 2011 ), and different species within the same group serve multiple functions (Herben and Goldberg, 2014 ). Using known functional genes involved in the ammonium assimilation pathway, we identified the community of species involved in this pathway (Zhang et al, 2022 ). Using metagenomic sequencing technology to determine gene composition and function within the nitrogen cycle, it is possible to explore gene-level connections between the ammonium assimilation pathway in rhizosphere soil and the soil environment.…”

Section: Introductionmentioning

confidence: 99%

Effects of nitrogen application on ammonium assimilation and microenvironment in the rhizosphere of drip-irrigated sunflower under plastic mulch

Chi,

Li,

Zhang

et al. 2024

Front. Microbiol.

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This study investigated the effect of nitrogen application on the rhizosphere soil microenvironment of sunflower and clarified the relationship between ammonium assimilation and the microenvironment. In a field experiment high (HN, 190 kg/hm2), medium (MN, 120 kg/hm2) and low nitrogen (CK, 50 kg/hm2) treatments were made to replicate plots of sunflowers using drip irrigation. Metagenomic sequencing was used to analyze the community structure and functional genes involved in the ammonium assimilation pathway in rhizosphere soil. The findings indicated that glnA and gltB played a crucial role in the ammonium assimilation pathway in sunflower rhizosphere soil, with Actinobacteria and Proteobacteria being the primary contributors. Compared with CK treatment, the relative abundance of Actinobacteria increased by 15.57% under MN treatment, while the relative abundance decreased at flowering and maturation stages. Conversely, the relative abundance of Proteobacteria was 28.57 and 61.26% higher in the MN treatment during anthesis and maturation period, respectively, compared with the CK. Furthermore, during the bud stage and anthesis, the abundance of Actinobacteria, Proteobacteria, and their dominant species were influenced mainly by rhizosphere soil EC, ammonium nitrogen (NH4+-N), and nitrate nitrogen (NO3--N), whereas, at maturity, soil pH and NO3--N played a more significant role in shaping the community of ammonium-assimilating microorganisms. The MN treatment increased the root length density, surface area density, and root volume density of sunflower at the bud, flowering, and maturity stages compared to the CK. Moreover, root exudates such as oxalate and malate were positively correlated with the dominant species of Actinobacteria and Proteobacteria during anthesis and the maturation period. Under drip irrigation, applying 120 kg/hm2 of nitrogen to sunflowers effectively promoted the community structure of ammonium-assimilating microorganisms in rhizosphere soil and had a positive influence on the rhizosphere soil microenvironment and sunflower root growth.

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Volatile fatty acids recovery and antibiotic degradation from erythromycin fermentation residues by combined thermal pretreatment and anaerobic fermentation: Insights into microbial communities and metabolic pathways

Yin,

Zhang,

et al. 2023

Bioresource Technology

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Application of spray-dried erythromycin fermentation residue as a soil amendment: antibiotic resistance genes, nitrogen cycling, and microbial community structure

Cited by 5 publications

References 48 publications

Analysis of changes in nutrient salts and other water quality indexes in the pond water for largemouth bass (micropterus salmoides) farming

Analysis of changes in nutrient salts and other water quality indexes in the pond water for largemouth bass (micropterus salmoides) farming

Effects of nitrogen application on ammonium assimilation and microenvironment in the rhizosphere of drip-irrigated sunflower under plastic mulch

Volatile fatty acids recovery and antibiotic degradation from erythromycin fermentation residues by combined thermal pretreatment and anaerobic fermentation: Insights into microbial communities and metabolic pathways

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