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Article ; Online: Urea ammonium nitrate solution combined with urease and nitrification inhibitors jointly mitigate NH3 and N2O emissions and improves nitrogen efficiency of summer maize under fertigation

Ren, Baizhao / Huang, Zhi-yuan / Liu, Peng / Zhao, Bin / Zhang, Jiwang

Field Crops Research. 2023 May, v. 296 p.108909-

2023

Abstract: The application of nitrogenous fertilizer synergist to coordinate nitrogen transformation process in soil may be an efficient strategy to increase nitrogen use efficiency and decrease environmental pollution. However, there are few reports on the ... ...

Abstract	The application of nitrogenous fertilizer synergist to coordinate nitrogen transformation process in soil may be an efficient strategy to increase nitrogen use efficiency and decrease environmental pollution. However, there are few reports on the application effects of UAN synergistic nitrification and urease inhibitors under the integration of water and fertilizer. This study aimed to explore effects of urea ammonium nitrate solution (UAN) combined with urease and nitrification inhibitors on yield and nitrogen efficiency of summer maize and its ecological effects under the fertigation, and to provide scientific basis for the efficient utilization of UAN. The experimental treatments were as follows: no inhibitor treatment (U), nitrification inhibitor treatment (U-D), urease inhibitor treatment (U-N), and the combination of nitrification and urease inhibitors treatment (U-D+N). Results showed that UAN combined with urease or nitrification inhibitors could significantly reduce the cumulative emission of N₂O, and then significantly decreased the N₂O warming potential (GWPN₂O) and N₂O greenhouse gas intensity (GHGIN₂O). Compared with U treatment, the cumulative N₂O emissions of U-D+N, U-N, and U-D treatments was reduced by 45.7 %, 25.3 % and 35.8 %, respectively. The GWPN₂O of U-D+N, U-N and U-D treatments decreased by 45.7 %, 25.3 % and 35.7 %, while GHGIN₂O decreased by 50.9 %, 30.3 % and 38.9 % on average, respectively, compared to those of U treatment. Application of urease inhibitors significantly reduced NH₃ volatilization. The cumulative NH₃ volatilization of U-N and U-D+N treatments was reduced by 30.7 % and 23.4 %, while U-D treament was significantly increased by 12.3 %, respectively, compared to that of the U treatment. In addition, UAN combined with urease or nitrification inhibitor could significantly increase the contents of NO₃⁻-N and NH₄⁻-N in the 0–20 cm soil layer, and significantly reduced the leaching of NO₃⁻-N to the deep soil. The total nitrogen accumulation, grain nitrogen content, nitrogen transport efficiency and post-anthesis assimilation of summer maize were significantly increased, which were beneficial to the improvement of grain yield and economic benefits. under the fertigation, the synergistic application of UAN with urease and nitrification inhibitors were beneficial to reduce greenhouse gas emissions and ammonia volatilization, improved the nitrogen use efficiency, and then improved the yield and economic benefits of summer maize. Under the fertigation, UAN combined with urease and nitrification inhibitors were beneficial to emission reduction, high yield, and high efficiency.
Keywords	Zea mays ; ammonia ; fertigation ; grain nitrogen content ; grain yield ; greenhouse gases ; nitrification ; nitrification inhibitors ; nitrogen ; nitrogen fertilizers ; nutrient use efficiency ; pollution ; research ; soil ; total nitrogen ; urea ammonium nitrate ; urease ; urease inhibitors ; volatilization ; Nitrogenous fertilizer synergist ; N2O emission ; Ammonia volatilization ; Nitrogen efficiency ; Yield
Language	English
Dates of publication	2023-05
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	435684-6
ISSN	1872-6852 ; 0378-4290
ISSN (online)	1872-6852
ISSN	0378-4290
DOI	10.1016/j.fcr.2023.108909
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Tandem mass tag-based proteomics technology provides insights into multi-targeted mechanism of peptide MOp2 from Moringa oleifera seeds against Staphylococcus aureus

Huang, Zhi-yuan / Dong, Wenming / Fan, Jiangping / Tian, Yang / Huang, Aixiang / Wang, Xuefeng

LWT. 2023 Mar. 01, p.114617-

2023 , Page(s) 114617–

Abstract: Our previous study proved that the peptide MOp2 from Moringa oleifera seeds exhibited membrane-damaging effects on Staphylococcus aureus. In this study, TMT-based proteomics technology was mainly used to investigate the antimicrobial mechanism of MOp2 ... ...

Abstract	Our previous study proved that the peptide MOp2 from Moringa oleifera seeds exhibited membrane-damaging effects on Staphylococcus aureus. In this study, TMT-based proteomics technology was mainly used to investigate the antimicrobial mechanism of MOp2 against S. aureus. A total of 541 differentially expressed proteins (DEPs) were identified in S. aureus treated with MOp2, among which 256 and 285 DEPs were upregulated and downregulated, respectively. They were mainly involved in inositol phosphate metabolism, S. aureus infection, citrate cycle (TCA cycle), and phosphotransferase system (PTS) and acted as ABC transporters and ribosomes. Moreover, the decreasing AKP activity indicated that MOp2 affected cell wall biosynthesis, and excessive ROS accumulation caused apoptosis, resulting in DNA fragmentation, nuclear morphological changes, and phosphatidylserine externalization. Additionally, molecular docking showed that MOp2 could interact with eight DEPs, including ProC, QoxB, SOD2, DnaK, GroEL, RplY, AcpS, and FabG, indicating that MOp2 might act on these molecular targets, leading to increased cell permeability, oxidative damage, impaired protein synthesis, cell wall synthesis obstruction, and energy metabolism disorder. Overall, these findings provided new insights into the multi-targeted mechanism of MOp2 against S. aureus, and could provide a theoretical basis for its application as a novel food preservative and antibiotic substitute.
Keywords	DNA fragmentation ; Moringa oleifera ; Staphylococcus aureus ; antibiotics ; apoptosis ; biosynthesis ; cell walls ; energy metabolism ; food preservatives ; gene expression regulation ; inositols ; metabolic diseases ; novel foods ; peptides ; permeability ; phosphates ; phosphatidylserines ; protein synthesis ; proteomics ; ribosomes ; tricarboxylic acid cycle ; Antimicrobial peptide ; Molecular docking
Language	English
Dates of publication	2023-0301
Publishing place	Elsevier Ltd
Document type	Article ; Online
Note	Pre-press version ; Use and reproduction
ZDB-ID	241369-3
ISSN	0460-1173 ; 0023-6438
ISSN	0460-1173 ; 0023-6438
DOI	10.1016/j.lwt.2023.114617
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Article ; Online: Bamboo-based agroforestry changes phytoremediation efficiency by affecting soil properties in rhizosphere and non-rhizosphere in heavy metal-polluted soil (Cd/Zn/Cu)

Bian, Fangyuan / Zhong, Zheke / Zhang, Xiaoping / Li, Qiaoling / Huang, Zhi-yuan

J Soils Sediments. 2023 Jan., v. 23, no. 1 p.368-378

2023

Abstract: PURPOSE: Bamboo forests are usually managed to create one-story canopies suitable for agroforestry practices. The aim of this study was to investigate the remediation effects of Lei bamboo (Phyllostachys praecox) in different planting systems, pure and ... ...

Abstract	PURPOSE: Bamboo forests are usually managed to create one-story canopies suitable for agroforestry practices. The aim of this study was to investigate the remediation effects of Lei bamboo (Phyllostachys praecox) in different planting systems, pure and agroforestry, on heavy metal–contaminated (Cd/Zn/Cu) soil. METHODS: Two different cultivation systems, i.e., a pure Lei bamboo stand and bamboo-based agroforestry system, were established in the field. Soil and plant samples were collected 5 years after planting bamboo in the experimental area. The soil nutrients, root exudates, heavy metals, microbial communities in the rhizosphere and non-rhizosphere soil, and metal uptake in the harvestable parts were determined. RESULTS: Amounts of both Cu and Cd removed from the soil per plant in agroforestry were 1.4 times greater than those in pure forest, but there was no difference in Zn in the harvestable parts of plants from the two systems. Compared with non-rhizosphere soil, the rhizosphere soil showed lower relative polysaccharide content and hydrophobicity. The most dominant phyla of bacteria were Proteobacteria, Acidobacteria, and Actinobacteria, with average relative abundances of 30.8%, 22.3%, and 11.8%, respectively. Agroforestry significantly reduced the microbial diversity in bamboo rhizosphere but significantly increased the diversity in the non-rhizosphere, compared with pure forest. There was a strong correlation between soil organic matter (SOM) and genera. Fourier transform infrared spectroscopy and root exudate analysis showed that bamboo planting systems changed the soil functional groups and chemical composition. CONCLUSION: Bamboo roots remove heavy metals from rhizosphere soil and transfer them in large quantities to the stems. Gemmata, Kaistobacter, Arthrobacter, Anaeromyxobacter, Thiobacillus, and Candidatus Solibacter were found to be related to heavy metal soil remediation by bamboo. Rhizosphere processes are important drivers of SOM decomposition and nutrient recycling, contributing to increased heavy metal removal and microbial community diversity. These findings provide insights into the soil characterization of phytoremediation using a bamboo-based agroforestry system.
Keywords	Acidobacteria ; Anaeromyxobacter ; Arthrobacter ; Fourier transform infrared spectroscopy ; Gemmata ; Phyllostachys violascens ; Thiobacillus ; agroforestry ; bamboos ; forests ; heavy metals ; hydrophobicity ; microbial communities ; phytoremediation ; polysaccharides ; rhizosphere ; root exudates ; soil ; soil organic matter ; soil remediation
Language	English
Dates of publication	2023-01
Size	p. 368-378.
Publishing place	Springer Berlin Heidelberg
Document type	Article ; Online
ZDB-ID	2050898-0
ISSN	1614-7480 ; 1439-0108
ISSN (online)	1614-7480
ISSN	1439-0108
DOI	10.1007/s11368-022-03303-y
Database	NAL-Catalogue (AGRICOLA)

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Article: [Effects of CUMS on excitatory/inhibitory balance of hippocampal and prefrontal cortex pyramidal neurons in anxiety-like mice

Zhu, Chuan-An / Chen, Jin-Dong / Yang, Hai-Yong / Xia, Yu-Ping / Huang, Zhi-Yuan

Zhongguo ying yong sheng li xue za zhi = Zhongguo yingyong shenglixue zazhi = Chinese journal of applied physiology

2023 Volume 38, Issue 6, Page(s) 814–819

Abstract: Objective: ...

Abstract	Objective:
MeSH term(s)	Male ; Animals ; Mice ; Anxiety ; Anxiety Disorders ; Prefrontal Cortex ; Hippocampus ; Pyramidal Cells
Language	Chinese
Publishing date	2023-06-12
Publishing country	China
Document type	English Abstract ; Journal Article
ISSN	1000-6834
ISSN	1000-6834
DOI	10.12047/j.cjap.6334.2022.148
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Long-term effect of light rare earth element neodymium on Anammox process

Xiong, Xingxing / Li, Yun / Yang, Xin / Huang, Zhi-yuan / Zhou, Tong / Wang, Dongliang / Li, Zebing / Wang, Xiujie

Environmental Research. 2023 Oct., v. 235 p.116686-

2023

Abstract: During the mining of rare earth minerals, the application of neodymium-containing manures, and the treatment of spent neodymium iron boron magnet, the generation of ammonia wastewater containing neodymium is increasing. Thus, the effects of neodymium (Nd( ...

Abstract	During the mining of rare earth minerals, the application of neodymium-containing manures, and the treatment of spent neodymium iron boron magnet, the generation of ammonia wastewater containing neodymium is increasing. Thus, the effects of neodymium (Nd(III)) on anaerobic ammonium oxidation (Anammox) were investigated from the aspects of performance, kinetics, statistics, microbial community and sludge morphology, and the recovery strategy of EDTA-2Na wash was discussed. The nitrogen removal efficiency of the Anammox reactor decreased significantly and eventually collapsed at the Nd(III) dosing levels of 20 and 40 mg L⁻¹, respectively. And the toxicity of Nd(III) to AnAOB was determined by the amount internalized into the cells. The EDTA-2Na wash successfully increased the total nitrogen removal rate (TNRR) of Nd(III)-inhibited Anammox to 41.60% of its initial value within 30 days, and the modified Boltzmann model accurately simulated this recovery process. The transient and extended effects of Nd(III), self-recovery, and EDTA-2Na wash on Anammox were effectively assessed using a one-sample t-test. 16S rRNA gene sequencing indicated that Nd(III) remarkably decreased the relative abundance of Planctomycetes and Candidatus Brocadia. The scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) revealed crystal-like neodymium particles on the surface of Anammox sludge. The above-mentioned results demonstrate that the concentration of Nd(III) should be below the toxicity threshold (20 mg L⁻¹) when treating ammonia wastewater containing neodymium by Anammox, and also emphasize the importance of an appropriate recovery strategy.
Keywords	Planctomycetes ; ammonia ; anaerobic ammonium oxidation ; boron ; electron microscopy ; energy-dispersive X-ray analysis ; genes ; long term effects ; magnetic materials ; microbial communities ; models ; neodymium ; nitrogen ; research ; sludge ; t-test ; total nitrogen ; toxicity ; wastewater ; Anammox ; Kinetics ; Statistics ; Sludge morphology
Language	English
Dates of publication	2023-10
Publishing place	Elsevier Inc.
Document type	Article ; Online
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2023.116686
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Introducing sedum affects root‐soil interface phytoremediation of heavy metals in lei bamboo forest and potential risks from edible bamboo shoots

Bian, Fangyuan / Zhang, Xiaoping / Zhong, Zheke / Wen, Xing / Xiu, Chengming / Li, Qiaoling / Huang, Zhi-yuan

Land Degradation & Development. 2023 Apr. 15, v. 34, no. 6 p.1820-1829

2023

Abstract: Introducing hyperaccumulators in bamboo forests is an efficient method for heavy metals (HMs) pollution control. HMs can be transferred from soil to bamboo and accumulate in edible bamboo shoots. However, how phytoremediation or cropping systems affect ... ...

Abstract	Introducing hyperaccumulators in bamboo forests is an efficient method for heavy metals (HMs) pollution control. HMs can be transferred from soil to bamboo and accumulate in edible bamboo shoots. However, how phytoremediation or cropping systems affect root‐soil interface and transference of HMs from soil to bamboo shoots is unknown. In this study, lei bamboo and Sedum plumbizincicola were planted as a monoculture and intercropping system (bamboo/sedum) on contaminated land. Soil properties, rhizosphere bacterial communities, and HMs concentrations in plants and soils were compared among bamboo in monoculture (B), bamboo in intercropping (BI), sedum in intercropping (SI), and sedum in monoculture (S). In BI, the total nitrogen was 10.8% lower, while total organic carbon (TOC) was 12.3% higher than in B; HMs removal amount in BI was higher than in B, especially cadmium. Intercropping increased the HMs concentrations, bioconcentration factor, translocation factor, and hazard quotient of bamboo shoots. Significant differences in bacterial community structures were confirmed by principal coordinate analysis. Gemmatimonadetes, Actinobacteria, Chloroflexi, and Kaistobacter were identified as biomarkers that increased significantly in intercropping, enhancing the diversity of ecological functions in the rhizosphere. Redundancy analysis revealed that rhizosphere bacterial communities were significantly correlated with soil properties, especially TOC and available phosphorus. Intercropping could remarkably alter soil chemical and microbiological properties and facilitate ecosystem restoration by enhancing soil TOC sequestration, activating rhizobacterial community at the root‐soil interface, and finally increasing HMs removal. As the consumption of bamboo shoots grown in contaminated soils may pose health risks, more attention is needed on this issue in phytoremediation studies.
Keywords	Actinobacteria ; Chloroflexi ; Gemmatimonadetes ; Sedum plumbizincicola ; bacterial communities ; bamboos ; bioaccumulation factor ; biomarkers ; cadmium ; ecological restoration ; forests ; hyperaccumulators ; land degradation ; multidimensional scaling ; phosphorus ; phytoremediation ; polluted soils ; rhizosphere ; total nitrogen ; total organic carbon
Language	English
Dates of publication	2023-0415
Size	p. 1820-1829.
Publishing place	John Wiley & Sons, Ltd.
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	1319202-4
ISSN	1085-3278
ISSN	1085-3278
DOI	10.1002/ldr.4571
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Article ; Online: Metabolomic analyses reveal the antibacterial properties of a novel antimicrobial peptide MOp3 from Moringa oleifera seeds against Staphylococcus aureus and its application in the infecting pasteurized milk

Sun, Aidi / Huang, Zhi-yuan / He, Li / Dong, Wenming / Tian, Yang / Huang, Aixiang / Wang, Xuefeng

Food Control. 2023 Aug., v. 150 p.109779-

2023

Abstract: The peptide MOp3 from Moringa oleifera seeds has been reported to have good antimicrobial activity against Staphylococcus aureus, but its specific antimicrobial effect is still unclear. Therefore, the present study aimed to investigate the antibacterial ... ...

Abstract	The peptide MOp3 from Moringa oleifera seeds has been reported to have good antimicrobial activity against Staphylococcus aureus, but its specific antimicrobial effect is still unclear. Therefore, the present study aimed to investigate the antibacterial properties of MOp3 against S. aureus in terms of membrane damage, intracellular key enzyme activities, cell apoptosis induction, and metabolite changes, and evaluate its antibacterial ability in pasteurized milk. The results showed that MOp3 caused irreversible membrane damage to S. aureus cells by increasing the membrane permeability and decreasing the activity of intracellular AKP, LDH, and ATPase. Moreover, ROS accumulation, DNA fragmentation, and nuclear rupture in the S. aureus cells treated with MOp3 induced cell apoptosis. The metabolomics analysis revealed that 46 different metabolites were involved in peptidoglycan synthesis, amino acid metabolism, glycerophospholipid metabolism, nucleotide metabolism, and energy metabolism, that can affect cell wall biosynthesis, cell membrane structure, and genetic material expression. Besides, MOp3 inhibited the growth of S. aureus in the infecting pasteurized milk which storaged at 25 °C and 4 °C for 7 days. Overall, these findings provided deeper insights into antibacterial properties of MOp3 against S. aureus and its application in food preservation.
Keywords	DNA fragmentation ; Moringa oleifera ; Staphylococcus aureus ; adenosinetriphosphatase ; amino acid metabolism ; antimicrobial peptides ; antimicrobial properties ; apoptosis ; biosynthesis ; cell membrane structures ; cell walls ; energy metabolism ; food preservation ; food safety ; glycerophospholipids ; membrane permeability ; metabolites ; metabolomics ; pasteurized milk ; peptidoglycans ; Moringa oleifera seeds ; Antimicrobial peptide ; Membrane damage ; Metabolomic ; Different metabolites ; Minimum inhibitory concentration ; Alkaline Phosphatase ; Lactate Dehydrogenase ; Adenosine Triphosphatase ; Total Adenosine Triphosphate ; Reactive oxygen species ; Lysogeny broth ; Fourier transform infrared spectrometer ; Cell Surface Hydrophobicity ; Liquid chromatography-tandem mass spectrometry ; Principal component analysis ; Orthogonal partial least squares-discriminant analysis ; Reversed-phase high performance liquid chromatography
Language	English
Dates of publication	2023-08
Publishing place	Elsevier Ltd
Document type	Article ; Online
ZDB-ID	1027805-9
ISSN	0956-7135
ISSN	0956-7135
DOI	10.1016/j.foodcont.2023.109779
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Article ; Online: Determining changes in microbial nutrient limitations in bamboo soils under different management practices via enzyme stoichiometry

Zhang, Xiaoping / Li, Qiaoling / Zhong, Zheke / Huang, Zhi-yuan / Wen, Xing / Bian, Fangyuan / Yang, Chuanbao

Catena. 2023 Apr., v. 223 p.106939-

2023

Abstract: Moso bamboo (Phyllostachys edulis) is a plant species recognized for its extremely high carbon sequestration potential, and, along with soil microbes, play a key role in the carbon (C) cycle. Nevertheless, the metabolic constraints of soil microorganisms ...

Abstract	Moso bamboo (Phyllostachys edulis) is a plant species recognized for its extremely high carbon sequestration potential, and, along with soil microbes, play a key role in the carbon (C) cycle. Nevertheless, the metabolic constraints of soil microorganisms in the ecosystem have rarely been studied. We investigated changes in soil extracellular enzyme activities and microbial nutrients limitation in three different managed Moso bamboo plantations. The results showed that compared to nonmanagement (M0), extensive (M1) and intensive (M2) management significantly (p ≤ 0.05) decreased the activities of C- (β-1,4-glucosidase, BG) and N-acquiring (β-1,4-N-acetylglucosaminidase (NAG) and l-leucine aminopeptidase (LAP)) enzymes and significantly (p ≤ 0.05) increased the activity of soil P-acquiring enzymes (acid phosphatase, ACP). M1 and M2 exhibited significantly (p ≤ 0.05) decreased ratios of ln(BG):ln(ACP) and ln(NAG + LAP):ln(ACP) compared to M0. The ln(BG):ln(NAG + LAP) ratio in M2 was significantly (p ≤ 0.05) lower than in M0 bamboo plantations. M1 and M2 had a lower vector length and higher vector angle than M0, suggesting that management practices can reduce the microbial C and N limitations in bamboo plantations. In contrast, boosted activity of the C-acquiring enzyme, high levels of total organic C concentration, and increased microbial C constraint in M0 and M1 indicated that reducing disturbance benefits soil C stability and renders C hard to use by microorganisms. Random forest analyses indicated that total N and pH were the most important predictors of microbial C and N limitations in bamboo soils, respectively. This study revealed that the intensity of management practices markedly affected the balance between soil microbial nutrient requirements and C sequestration in Moso bamboo plantations.
Keywords	Phyllostachys edulis ; acid phosphatase ; bamboos ; carbon ; carbon sequestration ; catenas ; ecosystems ; leucyl aminopeptidase ; pH ; soil ; soil enzymes ; stoichiometry ; total nitrogen ; Metabolic limitation ; Ecoenzymatic ratio ; Soil enzyme activity ; Forest management
Language	English
Dates of publication	2023-04
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	519608-5
ISSN	1872-6887 ; 0008-7769 ; 0341-8162
ISSN (online)	1872-6887 ; 0008-7769
ISSN	0341-8162
DOI	10.1016/j.catena.2023.106939
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Article ; Online: The Role of Alternative Splicing Factors, DDB2-Related Ageing and DNA Damage Repair in the Progression and Prognosis of Stomach Adenocarcinoma Patients

Wang, Xinshu / Huang, Zhi-yuan / Li, Lei / Yang, Yuntong / Zhang, Jiyuan / Wang, Li / Yuan, Jian / Li, Yunhui

Genes (Basel). 2022 Dec. 23, v. 14, no. 1

2022

Abstract: DNA damage response is a key signal transduction pathway in triggering ageing and tumor progression. Abnormal alternative splicing (AS) is associated with tumors and ageing. However, the role of AS factors associated with DNA damage repair and ageing in ... ...

Abstract	DNA damage response is a key signal transduction pathway in triggering ageing and tumor progression. Abnormal alternative splicing (AS) is associated with tumors and ageing. However, the role of AS factors associated with DNA damage repair and ageing in stomach adenocarcinoma (STAD) remains unclear. We downloaded the percentage of splicing (PSI) values for AS in STAD from the TCGA SpliceSeq database. The PSI values of DNA repair gene AS events were integrated with STAD patient survival data for Cox regression analysis. The prediction model for the overall survival (OS) was constructed by the clinical traits. The tumor immune microenvironment was analyzed by CIBERSORT and ESTIMATE. We detected 824 AS events originating from 166 DNA repair genes. Cox regression analysis provided 21 prognostic AS events connected with OS statistically, and a prognostic prediction model was constructed. The expression of these AS factors was higher in STAD tumors. DDB2 high senescence levels were associated with active immune responses and better survival in STAD patients. We built a novel prognostic model founded on DNA repair genes with AS events and identified that DDB2 may be a potential biomarker to apply in clinics.
Keywords	DNA damage ; DNA repair ; adenocarcinoma ; biomarkers ; databases ; genes ; models ; neoplasm progression ; patients ; prognosis ; regression analysis ; signal transduction ; stomach
Language	English
Dates of publication	2022-1223
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2527218-4
ISSN	2073-4425
ISSN	2073-4425
DOI	10.3390/genes14010039
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Successful Formulation and Application of Low-Temperature Bacterial Agents for Corn Stover Degradation

Zhang, Sainan / Han, Shengcai / Yu, Xiaofang / Gao, Julin / Hu, Shuping / Borjigin, Naoganchaolu / Borjigin, Qinggeer / Guo, Jiangan / Bai, Jianfei / Zhang, Bizhou / Huang, Zhi-yuan / Lei, Yong

Agronomy. 2023 Mar. 31, v. 13, no. 4

2023

Abstract: Solid bacterial agents are required to accelerate stover degradation in low-temperature areas. However, the laboratory-to-practice translation of bioprocessing techniques is hindered by high cost, poor practicality, and short shelf life. Using corn ... ...

Abstract	Solid bacterial agents are required to accelerate stover degradation in low-temperature areas. However, the laboratory-to-practice translation of bioprocessing techniques is hindered by high cost, poor practicality, and short shelf life. Using corn stover powder, starch, and bran as additives, we screened Pseudomonas putida and Acinetobacter lwoffii, which effectively degrades corn stover at low temperatures, to develop a sustainable and low-cost bacterial agent formula that ensures bacterial viability in low-temperature soil and storage. The optimal formulation included precipitates and additives at a 1:4 ratio, including corn stover powder, starch, and bran at a 4:3:9 ratio. The viable bacterial count with this formulation reached 7.5 × 10¹⁰ colony-forming units/g, with high lignocellulase activities. The degradation effect of the optimal formulation on stover and its components, in both lab soil culture simulation and the field environment, was significantly higher than that without bacterial agent application. This formulation had an outstanding effect on lignin. The optimal storage conditions included vacuum packing under 10% water content at 4 °C; the survival rate of viable bacteria reached 85.33% after 180 d. Given the global value of stover-return agriculture, our results offer a valuable strategy for application in low-temperature soils where stover degradation rates are otherwise low.
Keywords	Acinetobacter lwoffii ; Pseudomonas putida ; agronomy ; bioprocessing ; bran ; corn stover ; lignin ; plate count ; shelf life ; soil ; starch ; survival rate ; viability ; water content
Language	English
Dates of publication	2023-0331
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2607043-1
ISSN	2073-4395
ISSN	2073-4395
DOI	10.3390/agronomy13041032
Database	NAL-Catalogue (AGRICOLA)

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