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Flow Field Characteristics of Multi-Trophic Artificial Reef Based on Computation Fluid Dynamics

Journal of Ocean University of China 2024年第2期23卷 317-327页

作者： HUANG Junlin LI Jiao LI Yan GONG Pihai GUAN Changtao XIA Xu School of Engineering Ocean University of ChinaQingdao 266100China Yellow Sea Fisheries Research Institute Chinese Academy of Fishery SciencesKey Laboratory of Sustainable Development of Marine FisheriesMinistry of Agriculture and Rural AffairsQingdao Key Laboratory for Marine Fish Breeding and BiotechnologyQingdao 266071China Laboratory for Marine Fisheries Science and Food Production Processes Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266071China

On the basis of computational fluid dynamics,the flow field characteristics of multi-trophic artificial reefs,including the flow field distribution features of a single reef under three different velocities and the effect of spacing between reefs on flow scale and the flow state,were *** indicate upwelling,slow flow,and eddy around a single *** velocity,height,and volume of upwelling in front of a single reef were positively correlated with inflow *** length and volume of slow flow increased with the increase in inflow *** were present both inside and backward,and vorticity was positively correlated with inflow *** between reefs had a minor influence on the maximum velocity and height of *** the increase in space from 0.5 L to 1.5 L(L is the reef lehgth),the length of slow flow in the front and back of the combined reefs increased *** the space was 2.0 L,the length of the slow flow *** four different spaces,eddies were present inside and at the back of each *** maximum vorticity was negatively correlated with space from 0.5 L to 1.5 L,but under 2.0 L space,the maximum vorticity was close to the vorticity of a single reef under the same inflow velocity.

关键词： artificial reef flow field characteristics computation fluid dynamics multi-trophic structure

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Potential of arbuscular mycorrhizal fungi for soil health:A review

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Pedosphere 2024年第2期34卷 279-288页

作者： Junling ZHANG Ruotong ZHAO Xia LI Jiangzhou ZHANG College of Resources and Environmental Sciences National Academy of Agriculture Green DevelopmentKey Laboratory of Plant-Soil InteractionsMinistry of EducationChina Agricultural UniversityBeijing 100193China College of Agronomy and Life Science Shanxi Datong UniversityDatong 037009China College of Resources and Environment/International Magnesium Institute Fujian Agriculture and Forestry UniversityFuzhou 350002China

Soil health is an important component of“One Health”.Soils provide habitat to diverse and abundant *** microbial diversity and functions is essential for building healthy soils towards sustainable *** mycorrhizal fungi(AMF)form potentially symbiotic associations with approximately 80%of land plant species that are well recognized for carbon flux and nutrient *** addition to disentangling the signaling pathways and regulatory mechanisms between the two partners,recent advances in hyphosphere research highlight some emerging roles of AMF and associated microbes in the delivery of soil *** paper reviews the contribution of AMF to soil health in agroecosystems,with a major focus on recent progress in the contribution of hyphosphere microbiome to nutrient cycling,carbon sequestration,and soil *** hyphosphere microbiome and fungal stimulants open avenues for developing new fertilizer formulas to promote AMF *** practice,developing AMF-friendly management strategies will have long-term positive effects on sustainable agriculture aiming at simultaneously providing food security,increasing resource use efficiency,and maintaining environment integrity.

关键词： arbuscular mycorrhizal fungi-friendly management strategies carbon sequestration hyphosphere microbiome nutrient cycling soil aggregation soilfunctions

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High expression circRALGPS2 in atretic follicle induces chicken granulosa cell apoptosis and autophagy via encoding a new protein

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Journal of Animal Science and Biotechnology 2024年第3期15卷 971-986页

作者： Haorong He Yuanhang Wei Yuqi Chen Xiyu Zhao Xiaoxu Shen Qing Zhu Huadong Yin Key Laboratory of Livestock and Poultry Multi‑Omics Ministry of Agriculture and Rural AffairsCollege of Animal Science and TechnologySichuan Agricultural UniversityChengduSichuan 611130China Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province Sichuan Agricultural UniversityChengduSichuan 611130China

Background The reproductive performance of chickens mainly depends on the development of ***-mal follicle development can lead to decreased reproductive performance and even ovarian disease among *** is the only non-human animal with a high incidence of spontaneous ovarian *** recent years,the involvement of circRNAs in follicle development and atresia regulation has been *** In the present study,we used healthy and atretic chicken follicles for circRNA *** results showed differential expression of *** was then confirmed that circRALGPS2 can translate into a protein,named cir-cRALGPS2-212aa,which has IRES ***,we found that circRALGPS2-212aa promotes apoptosis and autophagy in chicken granulosa cells by forming a complex with PARP1 and *** Our results revealed that circRALGPS2 can regulate chicken granulosa cell apoptosis and autophagy through the circRALGPS2-212aa/PARP1/HMGB1 axis.

关键词： Apoptosis Autophagy Chicken CircRALGPS2 Follicle atresia PARP1 RNC-seq

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Sodium butyrate alleviates fructose-induced non-alcoholic fatty liver disease by remodeling gut microbiota to promoteγ-amino butyric acid production

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Food Science and Human Wellness 2024年第2期13卷 961-971页

作者： Qu Chen Lei Wu Aijia Zhang Chen Wu Liuping Cai Yingping Xiao Yingdong Ni Key Laboratory of Animal Physiology and Biochemistry Ministry of Agriculture and Rural AffairsNanjing Agricultural UniversityNanjing 210095China State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Institute of Agro-product Safety and NutritionZhejiang Academy of Agricultural SciencesHangzhou 310022China

Sodium butyrate(NaB)can regulate lipid metabolism and inhibit hepatic *** study aimed to investigate whether NaB can alleviate fructose-induced hepat ic steatosis via remodeling the gut microbiota and evaluate the anti-fatty liver *** results showed that NaB and NaB-remodeled gut microbiota significantly alleviated fructose-induced hepatic steatosis and increased plasma uric acid and fructose ***,both NaB and NaB-remodeled gut microbiota increased the abundance of Lactobacillus and altered the levels of plasma amino acids(upregulating gamma-amino butyric acid(GABA)and downregulating L-glutamic acid and L-arginine)in fructose-exposed *** correlation analysis showed that GABA levels positively correlated with Lactobacillus abundance,and increased GABA levels might promote the reduction of the hepatic triglyceride *** studies confirmed that GABA significantly reduced lipid deposition in mouse hepatocytes induced via fructose pretreatment in *** findings suggested that NaB could ameliorate fructose-induced hepatic steatosis by regulating gut microbiota.

关键词： Butyrate Fructose Gut microbiota Hepatic steatosis

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Junshanyinzhen tea extract prevents obesity by regulating gut microbiota and metabolic endotoxemia in high-fat diet fed rats

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Food Science and Human Wellness 2024年第4期13卷 2036-2047页

作者： Jian Ouyang Xiuping Li Changwei Liu Danmin Lu Jie Ouyang Fang Zhou Qi Liu Jianan Huang Zhonghua Liu Key Laboratory of Tea Science of ministry of Education Hunan Agricultural UniversityChangsha 410128China National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals Hunan Agricultural UniversityChangsha 410128China Co-Innovation Center of Education ministry for Utilization of Botanical Functional Ingredients Hunan Agricultural UniversityChangsha 410128China Key Laboratory for Evaluation and Utilization of Gene Resources of Horticultural Crops Ministry of Agriculture and Rural AffairsHunan Agricultural UniversityChangsha 410128China

Obesity is associated with gut dysbiosis and metabolic *** tea extract(JSTE)reduced fat accumulation and body weight in obese ***,the effects and mechanism of JSTE in preventing obesity were ***,we used different doses of JSTE(75,150 and 300 mg/(kg·day))to evaluate the effect on high-fat diet(HFD)-induced rats under 8 weeks of ***,our results showed that JSTE could significantly reduce body weight gain,blood lipid levels and fat accumulation,improve fatty damage in liver tissue(P<0.05).In addition,JSTE increased the expression of intestinal tight junction proteins(P<0.05),relieved metabolic endotoxemia(P<0.05)and chronic low-grade inflammation in HFD *** of fecal samples showed that JSTE could effectively reverse the microbial diversity and the ratio of Firmicutes to Bacteroidetes to normal levels in HFD-fed *** and Erysipelotrichaceae,which are positively related to obesity,were decreased by JSTE intervention(P<0.05).while Bifidobacteriaceae,Bacteroidaceae,Akkermansia,and Clostridium,which are negatively related to obesity,were ***,these results suggested that JSTE might effectively prevent obesity by modulating gut microbiota dysbiosis,intestinal barrier dysfunction,metabolic endotoxemia and chronic low-grade infl ammation in HFD-induced rats.

关键词： Junshanyinzhen tea Obesity Gut microbiota Gut barrier function Metabolic endotoxemia

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Transcriptome analysis reveals steroid hormones biosynthesis pathway involved in abdominal fat deposition in broilers

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Journal of Integrative agriculture 2024年第9期 3118-3128页

作者： Yuting Zhu Yongli Wang Yidong Wang Guiping Zhao Jie Wen Huanxian Cui State Key Laboratory of Animal Nutrition/Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction Ministry of Agriculture and Rural Affairs/Institute of Animal SciencesChinese Academy of Agricultural Sciences

Excessive abdominal fat deposition reduces the feed efficiency and increase the cost of production in broilers. Therefore, it is an important task for poultry breeders to breed broilers with low abdominal fat. Abdominal fat deposition is a highly complex biological process, and its molecular basis remains elusive. In this study, we performed transcriptome analysis to compare gene expression profiles at different stages of abdominal fat deposition to identify the key genes and pathways involved in abdominal fat accumulation. We found that abdominal fat weight(AFW) increased gradually from day 35(D35) to 91(D91), and then decreased at day 119(D119). Accordingly, after detecting differentially expressed genes(DEGs) by comparing gene expression profiles at D35 vs. D63 and D35 vs. D91, and identifying gene modules associated with fat deposition by weighted gene co-expression network analysis(WGCNA), we performed intersection analysis of the detected DEGs and WGCNA gene modules and identified 394 and 435 intersecting genes, respectively. The results of the Gene Ontology(GO) functional enrichment analysis and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analyses showed that the steroid hormone biosynthesis and insulin signaling pathways were co-enriched in all intersecting genes, steroid hormones have been shown that regulated insulin signaling pathway, indicating the importance of the steroid hormone biosynthesis pathway in the development of broiler abdominal fat. We then identified 6 hub genes(ACTB, SOX9, RHOBTB2, PDLIM3, NEDD9, and DOCK4) related to abdominal fat deposition. Further analysis also revealed that there were direct interactions between 6 hub genes. SOX9 has been shown to bind to proteins required for steroid hormone receptor binding, and RHOBTB2 indirectly regulates the steroid hormones biosynthesis through cyclin factor, and ultimately affect fat deposition. Our results suggest that the genes RHOBTB2 and SOX9 play an important role in

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Straw return increases crop production by improving soil organic carbon sequestration and soil aggregation in a long-term wheat-cotton cropping system

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Journal of Integrative agriculture 2024年第2期23卷 669-679页

作者： Changqin Yang Xiaojing Wang Jianan Li Guowei Zhang Hongmei Shu Wei Hu Huanyong Han Ruixian Liu Zichun Guo Institute of Industrial Crops Jiangsu Academy of Agricultural Sciences/Key Laboratory of Cotton and RapeseedMinistry of Agriculture and Rural AffairsNanjing 210014China College of Life Sciences and Food Engineering Huaiyin Institute of TechnologyHuai’an 223003China College of agriculture Nanjing Agricultural UniversityNanjing 210095China Cotton Research Institute Xinjiang Academy of Agricultural and Reclamation ScienceShihezi 832000China Institute of Soil Science Chinese Academy of Sciences/State Key Laboratory of Soil and Sustainable AgricultureNanjing 210008China

Straw return is a promising strategy for managing soil organic carbon(SOC)and improving yield ***,the optimal straw return strategy for sustainable crop production in the wheat(Triticum aestivum L.)-cotton(Gossypium hirsutum L.)cropping system remains *** objective of this study was to quantify the long-term(10 years)impact of carbon(C)input on SOC sequestration,soil aggregation and crop yields in a wheat-cotton cropping system in the Yangtze River Valley,*** treatments were arranged with a single-factor randomized design as follows:no straw return(Control),return of wheat straw only(Wt),return of cotton straw only(Ct),return of 50%wheat and 50%cotton straw(Wh-Ch)and return of 100%wheat and 100%cotton straw(Wt-Ct).In comparison to the Control,the SOC content increased by 8.4 to 20.2%under straw return.A significant linear positive correlation between SOC sequestration and C input(1.42-7.19 Mg ha^(−1)yr^(−1))(P2 and 1-2 mm at the 0-20 cm soil depth were also significantly elevated under straw return,with the greatest increase of the aggregate stability in the Wt-Ct treatment(28.1%).The average wheat yields increased by 12.4-36.0%and cotton yields increased by 29.4-73.7%,and significantly linear positive correlations were also detected between C input and the yields of wheat and *** average sustainable yield index(SYI)reached a maximum value of 0.69 when the C input was 7.08 Mg ha^(−1)yr^(−1),which was close to the maximum value(SYI of 0.69,C input of 7.19 Mg ha^(−1)yr^(-1))in the Wt-Ct ***,the return of both wheat and cotton straw was the best strategy for improving SOC sequestration,soil aggregation,yields and their sustainability in the wheat-cotton rotation system.

关键词： straw return crop yields SOC soil aggregates wheat-cotton cropping system

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Exploring the dynamic three-dimensional chromatin architecture and transcriptional landscape in goose liver tissues underlying metabolic adaptations induced by a high-fat diet

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Journal of Animal Science and Biotechnology 2024年第4期15卷 1494-1511页

作者： Guangliang Gao Rui Liu Silu Hu Mengnan He Jiaman Zhang Dengfeng Gao Jing Li Jiwei Hu Jiwen Wang Qigui Wang Mingzhou Li Long Jin Livestock and Poultry Multi‑Omics Key Laboratory of ministry of agriculture and rural Affairs College of Animal Science and TechnologySichuan Agricultural UniversityChengdu 611130China Chongqing Engineering Research Center of Goose Genetic Improvement Institute of Poultry ScienceChongqing Academy of Animal SciencesRongchang DistrictChongqing 402460China

Background Goose, descendants of migratory ancestors, have undergone extensive selective breeding, resulting in their remarkable ability to accumulate fat in the liver and exhibit a high tolerance for significant energy intake. As a result, goose offers an excellent model for studying obesity, metabolic disorders, and liver diseases in mammals. Although the impact of the three-dimensional arrangement of chromatin within the cell nucleus on gene expression and transcriptional regulation is widely acknowledged, the precise functions of chromatin architecture reorganization during fat deposition in goose liver tissues still need to be fully *** In this study, geese exhibited more pronounced changes in the liver index and triglyceride(TG) content following the consumption of the high-fat diet(HFD) than mice without significant signs of inflammation. Additionally, we performed comprehensive analyses on 10 goose liver tissues(5 HFD, 5 normal), including generating highresolution maps of chromatin architecture, conducting whole-genome gene expression profiling, and identifying H3K27ac peaks in the livers of geese and mice subjected to the HFD. Our results unveiled a multiscale restructuring of chromatin architecture, encompassing Compartment A/B, topologically associated domains, and interactions between promoters and enhancers. The dynamism of the three-dimensional genome architecture, prompted by the HFD, assumed a pivotal role in the transcriptional regulation of crucial genes. Furthermore, we identified genes that regulate chromatin conformation changes, contributing to the metabolic adaptation process of lipid deposition and hepatic fat changes in geese in response to excessive energy intake. Moreover, we conducted a cross-species analysis comparing geese and mice exposed to the HFD, revealing unique characteristics specific to the goose liver compared to a mouse. These chromatin conformation changes help elucidate the observed characteristics of fat

关键词： Compartment A/B Goose fatty liver Promoter-enhancer interactions Regulation of gene expression

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Genome-wide association study reveals that JASMONATE ZIM-DOMAIN 5 regulates seed germination in rice

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The Crop Journal 2024年第4期12卷 1001-1009页

作者： Shan Sun Liling Peng Qianqian Huang Zhibo Huang Chengjing Wang Jia Zhao Zhoufei Wang Yongqi He The Laboratory of Seed Science and Technology Guangdong Key Laboratory of Plant Molecular BreedingKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsSouth China Agricultural UniversityGuangzhou 510642GuangdongChina

Seed germination is a complex trait regulated by multiple genes in ***,the regulators of rice seed germination have yet to be sufficiently ***,a quantitative trait locus(QTL)for rice seed germination was identified in a genome-wide association *** candidate gene JASMONATE ZIM-DOMAIN 5(OsJAZ5)of the QTL was verified that positively regulates seed ***5 regulation of seed germination involves an OsABI3-mediated abscisic acid *** of OsJAZ5 facilitated seed *** application of OsJAZ5 might be useful for increasing seed germination for rice direct seeding.

关键词： Abscisic acid JASMONATE ZIM-DOMAIN Oryza sativa Seed germination

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Optimized silicon fertilization regime weakens cadmium translocation and increases its biotransformation in rice tissues

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The Crop Journal 2024年第4期12卷 1041-1053页

作者： Bogui Pan Yixia Cai Kunzheng Cai Jihui Tian Wei Wang College of Natural Resources and Environment South China Agricultural UniversityGuangzhou 510642GuangdongChina Guangdong Provincial Key Laboratory of Eco-Circular agriculture Guangzhou 510642GuangdongChina Key Laboratory of Tropical Agricultural Environment in South China Ministry of Agriculture and Rural AffairsGuangzhou 510642GuangdongChina College of agriculture South China Agricultural UniversityGuangzhou 510642GuangdongChina

In acidic paddy fields of South China,rice(Oryza sativa L.)faces the dual challenges of cadmium(Cd)toxicity and silicon(Si)*** previous studies have highlighted the functions of Si application timing and strategies in mitigating Cd-stressed rice,the precise mechanisms underlying the health restoration of Cd-toxic rice and the assurance of grain safety remain *** study explored Cd translocation and detoxification in the shoots of rice regulated by various Si fertilization regimes:Si(T)(all Si added before transplanting),Si(J)(all Si added at jointing),and Si(TJ)(half Si added both before transplanting and at jointing).The findings revealed that the regime of Si(TJ)was more beneficial to rice health and grain safety than Si(T)and Si(J).The osmotic regulators such as proline,soluble sugars,and soluble proteins were significantly boosted by Si(TJ)compared to other Si treatments,and which enhanced membrane integrity,balanced intracellular pH,and increased Cd tolerance of ***,Si(TJ)was more effective than Si(T)and Si(J)on the Cd sequestration in the cell wall,Cd bio-passivation,and the down-regulated expression of the Cd transport *** concentrations of Cd in the xylem and phloem treated with Si(TJ)were reduced ***,Si(TJ)facilitated much more Cd bound with the outer layer proteins of grains,and promoted Cd chelation and complexation by phytic acid,phenolics,and ***,Si(TJ)outperformed Si(T)and Si(J)in harmonizing the phycological processes,inhibiting Cd translocation,and enhancing Cd detoxification in rice *** the split Si application strategy offers potential for reducing Cd toxicity in rice grain.

关键词： Cadmium Silicon Growth stages Translocation and accumulation Rice Safe production

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