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The BTB/TAZ domain-containing protein CmBT1-mediated CmANR1 ubiquitination negatively regulates root development in chrysanthemum

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Journal of Integrative Plant Biology 2024年第2期66卷 285-299页

作者： Lian-Da Du Zhang-Ji Guan Yan-Hong Liu Hui-Dong Zhu Quan Sun Da-Gang Hu Cui-Hui Sun Shandong collaborative innovation center of fruit&vegetable quality and efficient production College of Horticulture Science and EngineeringShandong Agricultural UniversityTaian 271018China

Roots are fundamental for plants to adapt to variable environmental *** development of a robust root system is orchestrated by numerous genetic determinants and,among them,the MADS-box gene ANR1 has garnered substantial *** research has demonstrated that,in chrysanthemum,CmANR1positively regulates root system ***,the upstream regulators involved in the CmANR1-mediated regulation of root development remain *** this study,we successfully identified bric-a-brac,tramtrack and broad(BTB)and transcription adapter putative zinc finger(TAZ)domain protein CmBT1 as the interacting partner of CmANR1 through a yeasttwo-hybrid(Y2H)screening ***,we validated this physical interaction through bimolecular fluorescence complementation and pull-down *** assays revealed that CmBT1 exerted a negative influence on root development in *** both in vitro and in vivo assays,it was evident that CmBT1mediated the ubiquitination of CmANR1 through the ubiquitin/26S proteasome *** ubiquitination subsequently led to the degradation of the CmANR1 protein and a reduction in the transcription of CmANR1-targeted gene CmPIN2,which was crucial for root development in *** analysis suggested that CmBT1 modulated root development,at least in part,by regulating the level of CmANR1 ***,these findings shed new light on the regulatory role of CmBT1 in degrading CmANR1 through ubiquitination,thereby repressing the expression of its targeted gene and inhibiting root development in chrysanthemum.

关键词： chrysanthemum MADS-box transcription factor root development

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The effect of glutathione on glucosinolate biosynthesis through the sulfur assimilation pathway in pakchoi associated with the growth conditions

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Horticultural Plant Journal 2024年第2期10卷 473-487页

作者： Biao Zhu Zhile Liang Dan Wang Chaochao He Zhujun Zhu Jing Yang Key Laboratory of quality and Safety Control for Subtropical fruit and vegetable Ministry of Agriculture and Rural AffairsCollaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang ProvinceCollege of Horticulture ScienceZhejiang A&F UniversityHangzhouZhejiang 311300China

Glucosinolates(GSLs) are a group of nitrogen-and sulfur-containing secondary metabolites, synthesized primarily in members of the Brassicaceae family, that play an important role in food flavor, plant antimicrobial activity, resistance to insect attack, stress tolerance, and human anti-cancer effects. As a sulfur-containing compound, glutathione has a strong connection with GSLs biosynthesis as a sulfur donor or redox system, and exists in reduced(glutathione;GSH) and oxidized(glutathione disulfide;GSSG) forms. However, the mechanism of GSH regulating GSLs biosynthesis remainds unclear. Hence, the exogenous therapy to pakchoi under normal growth condition and sulfur deficiency condition were conducted in this work to explore the relevant mechanism. The results showed that exogenous application of buthionine sulfoximine, an inhibitor of GSH synthesis, decreased the transcript levels of GSLs synthesis-related genes and transcription factors, as well as sulfur assimilation-related genes under the normal growth condition. Application of exogenous GSH inhibited the expression of GSLs synthesis-and sulfur assimilation-related genes under the normal condition, while the GSLs biosynthesis and the sulfur assimilation pathway were activated by exogenous application of GSH when the content of GSH in vivo of plants decreased owing to sulfur deficiency. Moreover,exogenous application of GSSG increased the transcript levels of GSLs synthesis-and sulfur assimilation-related genes under the normal growth condition and under sulfur deficiency. The present work provides new insights into the molecular mechanisms of GSLs biosynthesis underlying glutathione regulation.

关键词： Pakchoi Glucosinolates Reduced glutathione Oxidized glutathione Sulfur assimilation

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The intrinsic developmental age signal defines an age-dependent climbing behavior in cucumber

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Horticultural Plant Journal 2024年第3期10卷 797-808页

作者： Zezhou Hong Xinrui Wang Zipei Fan Jiahao Wang Aiyi Yang Guochao Yan Yong He Huasen Wang Zhujun Zhu Yunmin Xu College of Horticulture Science Zhejiang Agriculture and Forestry UniversityHangzhouZhejiang 311300China Key Laboratory of quality and Safety Control for Subtropical fruit and vegetable Ministry of Agriculture and Rural AffairsHangzhouZhejiang 311300China collaborative innovation center for efficient and Green production of Agriculture in Mountainous Areas of Zhejiang Province HangzhouZhejiang 311300China

The tendril is a climbing organ in cucurbits and functions in physical support and to avoid shading by neighboring ***,how cucurbits produce tendrils to obtain climbing ability is largely *** this study,tendril phenotypes were investigated during different developmental *** results revealed that tendril growth exhibited an age-dependent pattern in *** growth was inhibited,and the tendril was formed as a short tendril[nonfunctional tendril(nonF-tendril),approximately 0.1 cm]during the seedling *** contrast,enhanced cell proliferation and cell expansion led to rapid elongation of the tendril during the climbing stage,and the tendril formed as a functional tendril(F-tendril,approximately 30 cm)to obtain climbing ***-qPCR detection showed that age-dependent tendril growth correlated negatively with the abundance of the conserved age regulator *** induced CsmiR156 to inhibit CsSPLs,and F-tendril formation and climbing ability were delayed in defoliated cucumbers,which confirmed the role of CsmiR156 in regulating tendril growth in ***,exogenous gibberellin(GA)treatment showed that GA positively regulated tendril growth,and RT-qPCR detection showed that the GA bio-synthetic genes and metabolic genes were affected by age pathway,suggesting that the age pathway depended on GA bio-synthetic and metabolic pathway to regulate cell expansion to determine tendril *** summary,our work reveals that change in tendril type is an important marker of phase transition in cucumber,and tendril growth is regulated by an intrinsic developmental age signal,ensuring that the cucumber obtains climbing ability at a suitable age.

关键词： Cucumber Tendril Age CsmiR156 CsSPL Climbing ability

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Model prediction of inactivation of Aeromonas salmonicida grown on poultry in situ by intense pulsed light

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Food Science and Human Wellness 2024年第2期13卷 1011-1017页

作者： Jingwen Wang Zhenzhen Ning Yifan Chen Xinglian Xu Huhu Wang Jiangsu collaborative innovation center of Meat production and Processing Quality and Safety ControlCollege of Food Science and TechnologyNanjing Agricultural UniversityNanjing 210095China

The aim of this study was to evaluate the factors influencing the inactivation effect of intense pulsed light(IPL)on Aeromonas salmonicida grown on chicken meat and skin,and to further develop prediction models of *** this work,chicken meat and skin inoculated with meat-borne *** isolates were subjected to IPL treatments under different *** results showed that IPL had obvious bactericidal effect in the chicken skin and thickness groups when the treatment voltage and time were 7 V combined with 5 *** addition,the lethality curves of *** were fitted under IPL conditions of 3.5-7.5 *** comparison of statistical parameters revealed that the Weibull model could best fit the mortality curves and could accurately predict the mortality dynamic of *** grown on chicken *** further a secondary model between the scale factor b and the treatment voltage in Weibull model was established using linear equations,which determined that the secondary model could accurately predict the inactivation of *** study provides a theoretical basis for future prediction models of Aeromonas,and also provides new ideas for sterilization approaches of meat-borne Aeromonas.

关键词： Aeromonas salmonicida Intense pulsed light Inactivation Chicken meat Model

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Insight into the spoilage heterogeneity of meat-borne bacteria isolates with high-producing collagenase

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Food Science and Human Wellness 2024年第3期13卷 1402-1409页

作者： Haodong Wang Liangting Shao Jinhao Zhang Xinglian Xu Jianjun Li Huhu Wang Jiangsu collaborative innovation center of Meat production and Processing Quality and Safety ControlCollege of Food Science and TechnologyNanjing Agricultural UniversityNanjing 210095China Yantai XiWang Meat Food Co. Ltd.Yantai 264000China

Chilled chicken is inevitably contaminated by microorganisms during slaughtering and processing,resulting in *** parts of chilled chicken,especially wings,feet,and other skin-on products,are abundant in collagen,which may be the primary target for degradation by spoilage *** this work,a total of 17 isolates of spoilage bacteria that could secrete both collagenase and lipase were determined by raw-chicken juice agar(RJA)method,and the results showed that 7 strains of Serratia,Aeromonas,and Pseudomonas could significantly decompose the collagen *** gelatin zymography showed that Serratia liquefaciens(F5)and(G7)had apparent degradation bands around 50 kDa,and Aeromonas veronii(G8)and Aeromonas salmonicida(H8)had a band around.65 and 95 kDa,*** lipase and collagenase activities were detected isolate-by-isolate,with F5 showing the highest collagenase *** spoilage ability on meat in situ,F5 performed strongest in spoilage ability,indicated by the total viable counts,total volatile basic nitrogen content,sensory scores,lipase,and collagenase *** study provides a theoretical basis for spoilage heterogeneity of strains with high-producing collagenase in meat.

关键词： Bacteria Chilled chicken Heterogeneity Collagenase Spoilage

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SlBEL11 regulates flavonoid biosynthesis,thus fine-tuning auxin efflux to prevent premature fruit drop in tomato

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Journal of Integrative Plant Biology 2024年第4期66卷 749-770页

作者： Xiufen Dong Xianfeng Liu Lina Cheng Ruizhen Li Siqi Ge Sai Wang Yue Cai Yang Liu Sida Meng Cai-Zhong Jiang Chun-Lin Shi Tianlai Li Daqi Fu Mingfang Qi Tao Xu College of Horticulture Shenyang Agricultural UniversityShenyang 110866China collaborative innovation center for efficient and Green production of Agriculture in Mountainous Areas of Zhejiang Province College of Horticulture ScienceZhejiang A&F UniversityHangzhou 311300China Key Laboratory for quality and Safety Control of Subtropical fruits and vegetables Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang ProvinceMinistry of Agriculture and Rural AffairsCollege of Horticulture ScienceZhejiang A&F UniversityHangzhou 311300China Key Laboratory of Protected Horticulture of Ministry of Education Shenyang 110866China Crops Pathology and Genetic Research Unit United States Department of Agriculture Agricultural Research ServiceWashingtonDC 20250USA Department of Plant Sciences University of CaliforniaDavisCA 95616USA ANGENOVO Oslo 0753Norway Laboratory of fruit Biology College of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijing 100083China

Auxin regulates flower and fruit abscission,but how developmental signals mediate auxin transport in abscission remains ***,we reveal the role of the transcription factor BEL1-LIKE HOMEODOMAIN11(SlBEL11)in regulating auxin transport during abscission in tomato(Solanum lycopersicum).SlBEL11 is highly expressed in the fruit abscission zone,and its expression increases during fruit *** of SlBEL11 expression by RNA interference(RNAi)caused premature fruit drop at the breaker(Br)and 3d post-breaker(Br+3)stages of fruit *** and metabolome analysis of SlBEL11-RNAi lines revealed impaired flavonoid biosynthesis and decreased levels of most flavonoids,especially quercetin,which functions as an auxin transport *** suggested that SlBEL11 prevents premature fruit abscission by modulating auxin efflux from fruits,which is crucial for the formation of an auxin response ***,quercetin treatment suppressed premature fruit drop in SlBEL11-RNAi *** affinity purification sequencing(DAP-seq)analysis indicated that SlBEL11 induced expression of the transcription factor gene SlMYB111 by directly binding to its *** immunoprecipitation-quantitative polymerase chain reaction and electrophoretic mobility shift assay showed that *** MYELOBLASTOSIS VIRAL ONCOGENE HOMOLOG111(SlMYB111)induces the expression of the core flavonoid biosynthesis genes SlCHS1,SlCHI,SlF3H,and SlFLS by directly binding to their *** findings suggest that the SlBEL11-SlMYB111 module modulates flavonoid biosynthesis to fine-tune auxin efflux from fruits and thus maintain an auxin response gradient in the pedicel,thereby preventing premature fruit drop.

关键词： abscission auxin flavonoid SlBEL11 tomato

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The efficiency and safety evaluation of hemoglobin hydrolysate as a non-heme iron fortifier

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Food Science and Human Wellness 2024年第2期13卷 999-1010页

作者： Dejiang Xue Shuai Jiang Miao Zhang Kai Shan RenéLametsch Chunbao Li Key Laboratory of Meat Processing and quality Control Ministry of EducationKey Laboratory of Meat ProcessingMinistry of Agriculture and Rural AffairsJiangsu Collaborative Innovation Center of Meat ProductionProcessing and Quality ControlCollege of Food Science and TechnologyNanjing Agricultural UniversityNanjing 210095China Department of Food Science University of CopenhagenFrederiksberg C DK-1958Denmark

Hemoglobin hydrolysate is derived from the enzymatic degradation of *** work aimed to evaluate whether hemoglobin hydrolysate promotes the absorption of non-heme iron and the safety of absorbed iron in mice by analyzing the iron binding content,iron circulation,and liver *** found that hemoglobin hydrolysate promoted the absorption of non-heme iron with high efficiency in duodenum by spontaneously binding non-heme iron during digestion,and increased hepatic iron content by up-regulating divalent metal transporter 1,zinc transporter 14,but hepatic iron content only increased at 3 *** iron entered the blood through ferroportin without restriction at 3 weeks,and excessive iron entered the liver and then affected the hepatocyte membranes permeability and lipid synthesis through oxidative *** the prolongation of dietary intervention,the up-regulated hepcidin acted on the ferroportin to restrict excess iron from entering the blood,and then the hepatic homeostasis *** addition,hemoglobin hydrolysate enhanced the hepatic antioxidant *** together,hemoglobin hydrolysate has a strong ability to promote the absorption of non-heme iron in vivo,and the absorbed iron is relatively safe due to the regulation of hepcidin.

关键词： Hemoglo bin hydrolysate Non-heme iron Absorption Liver homeostasis Hepcidin

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Evaluation of co-spoilage potential of Pseudomonas fragi and Pseudomonas lundensis isolated from chilled pork: in vitro and in situ

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Food Science and Human Wellness 2024年

作者： Han Dou Anthony Pius Bassey Jingwen Li Xianming Zeng Keping Ye State Key Laboratory of Meat quality Control and Cultured Meat Development Jiangsu collaborative innovation center of Meat production and Processing College of Food Science and Technology Nanjing Agricultural University

Pseudomonas (P.) fragi and P. lundensis have been reported as key spoilage bacteria in aerobically-stored chilled meat. However， the co-spoilage effect of these bacteria has not been effectively evaluated. This study evaluated the spoilage potential of P. fragi， P. lundensis and P. fragi + P. lundensis in vitro and in situ at 4 ℃. The results showed that P. fragi + P. lundensis performed the highest growth rate and displayed larger decomposition zone diameters on Raw-pork juice agar (RJA) plates. P. fragi + P. lundensis inoculants exhibited the strongest proteolytic activity， which resulted in the highest values of trichloroacetic acid (TCA)-soluble peptides， total volatile basic nitrogen (TVB-N) and myofibril fragmentation index (MFI) in chilled pork. Moreover， the inoculated samples showed different pH and sensory changes. Notably， increased amounts of volatile organic compounds (VOCs)， such as octanal， nonanal， 2-nonanone， 1-propanol， 1-octanol， isopropyl acetate， and 2，6-dimethylpyazine， were observed in inoculated P. fragi + P. lundensis samples， hinting their potential use as spoilage markers for spoilage monitoring of co-cultures. This study would provide a deeper understanding of meat spoilage and serve as a reference for future studies to inhibit meat spoilage.

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Bipolar membrane electrodialysis integrated with in-situ CO_(2)absorption for simulated seawater concentrate utilization,carbon storage and production of sodium carbonate

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Journal of Environmental Sciences 2024年第8期142卷 21-32页

作者： Jingtao Bi Tianyi Chen Yue Xie Ruochen Shen Bin Li Mengmeng Sun Xiaofu Guo Yingying Zhao School of Chemical Engineering and Technology Hebei University of TechnologyTianjin 300401China Engineering Research center of Seawater Utilization Technology of Ministry of Education School of Chemical Engineering and TechnologyHebei University of TechnologyTianjin 300401China Hebei collaborative innovation center of Modern Marine Chemical Technology Tianjin 300401China Tianjin Key Laboratory of Chemical Process Safety Tianjin 300130China Shandong Technology innovation center of Seawater and Brine efficient Utilization Weifang 262737China

In the context of carbon capture,utilization,and storage,the high-value utilization of carbon storage presents a significant *** address this challenge,this study employed the bipolar membrane electrodialysis integrated with carbon utilization technology to prepare Na_(2)CO_(3)products using simulated seawater concentrate,achieving simultaneous saline wastewater utilization,carbon storage and high-value production of Na_(2)CO_(3).The effects of various factors,including concentration of simulated seawater concentrate,current density,CO_(2)aeration rate,and circulating flow rate of alkali chamber,on the quality of Na_(2)CO_(3)product,carbon sequestration rate,and energy consumption were *** the optimal condition,the CO_(3)^(2-)concentration in the alkaline chamber reached a maximum of 0.817 mol/L with 98 mol%*** resulting carbon fixation rate was 70.50%,with energy consumption for carbon sequestration and product production of 5.7 k Whr/m^(3)CO_(2)and1237.8 k Whr/ton Na_(2)CO_(3),*** coupling design provides a triple-win outcome promoting waste reduction and efficient utilization of resources.

关键词： Bipolar membrane electrodialysis(BMED) Carbon capture Utilization and storage(CCUS) Seawater concentrate Sodium carbonate

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Divergence angle consideration in energy spread measurement for high-quality relativistic electron beam in laser wakefield acceleration

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Chinese Physics B 2024年第6期33卷 363-368页

作者：卢光伟李曜均胡曦辰陈思宇徐豪祝铭阳闫文超陈黎明 Key Laboratory for Laser Plasmas of Ministry of Education Shanghai Jiao Tong UniversityShanghai 200240China IFSA collaborative innovation center Shanghai Jiao Tong UniversityShanghai 200240China

The thorough exploration of the transverse quality represented by divergence angle has been lacking yet in the energy spread measurement of the relativistic electron beam for laser wakefield acceleration(LWFA). In this work, we fill this gap by numerical simulations based on the experimental data, which indicate that in a C-shape magnet, magnetic field possesses the beam focusing effect, considering that the divergence angle will result in an increase in the full width at half maxima(FWHM) of the electron density distribution in a uniformly isotropic manner, while the length-to-width ratio decreases. This indicates that the energy spread obtained from the electron deflection distance is smaller than the actual value, regardless of the divergence angle. A promising and efficient way to accurately correct the value is presented by considering the divergence angle(for instance, for an electron beam with a length-to-width ratio of 1.12, the energy spread correct from 1.2% to 1.5%), providing a reference for developing the high-quality electron beam source.

关键词： relativistic electron beams acceleration by laser–plasma interactions finite element analysis

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