[Objectives]This study was conducted to clarify the species composition of pathogens causing leaf spot disease in yellow peach in Loudi area of Hunan Province and to screen effective control agents.[Methods]Twenty lea...[Objectives]This study was conducted to clarify the species composition of pathogens causing leaf spot disease in yellow peach in Loudi area of Hunan Province and to screen effective control agents.[Methods]Twenty leaf spot samples were collected from yellow peach planting bases in Lengshuijiang and Shuangjiang,Loudi City.Two isolates were obtained through tissue isolation and purification.Identification was performed based on morphological characteristics combined with rDNA-ITS and Bt-2a gene sequence analysis and pathogenicity assay.[Results]The pathogen causing yellow peach leaf spot in this area was Botryosphaeria dothidea.[Conclusions]This study provides a reference basis for the prevention and control of yellow peach leaf spot in Loudi area.展开更多
Softening of fleshy fruits during ripening and postharvest is a programmed physiological process that substantially impacts fruit quality and shelf life.However,the molecular mechanism underlying peach softening remai...Softening of fleshy fruits during ripening and postharvest is a programmed physiological process that substantially impacts fruit quality and shelf life.However,the molecular mechanism underlying peach softening remains largely unknown.Lateral organ boundary(LOB)domain(LBD)proteins are pivotal regulators of plant growth and development.To date,certain LOB/LBD transcription factors are seemingly implicated in fruit softening.In this study,we identified 42 LOB/LBD genes in the peach genome.Expression analysis showed a significant upregulation of PpLOB1 transcripts toward peach fruit ripening.PpLOB1 was classified into Class II subgroup,and showed high sequence similarity to several softening-related LOB/LBD transcription factors.Transient transformation assays showed that PpLOB1 positively modulates peach softening.Further experiments demonstrated that PpLOB1 directly targets and activates the promoters of pectate lyase 1(PpPL1)and PpPL15,thereby contributing to the regulation of fruit softening.Additionally,PpNAP4 up-regulates PpLOB1 expression by binding to its promoter.Meanwhile,our findings revealed that PpNAP4 and PpNAP6 cooperatively modulate the expression of Pp LOB1.Taken together,our findings revealed a novel regulatory module involving PpNAP4 and PpLOB1 that modulates peach fruit softening.展开更多
Red-fleshed fruits are valued for their vibrant color and high anthocyanin content.Pre-harvest fruit bagging enhances fruit peel pigmentation,but its effect on flesh coloration remains poorly characterized.This study ...Red-fleshed fruits are valued for their vibrant color and high anthocyanin content.Pre-harvest fruit bagging enhances fruit peel pigmentation,but its effect on flesh coloration remains poorly characterized.This study revealed that removing bags from‘Gengcunyangtao’red-fleshed peach fruits triggers the rapid and uniform accumulation of anthocyanins in the flesh,resulting in anthocyanin levels that exceed those in unbagged fruits.The exposure to light after bag removal triggered significant increases in anthocyanin levels within 24 h.This was accompanied by the rapid upregulation of light-responsive and flavonoid biosynthetic gene expression levels within 6 h.A metabolomic analysis indicated that anthocyanin precursors,especially p-coumaric acid,accumulated before bag removal,thereby increasing substrate availability for rapid anthocyanin synthesis.On the basis of a weighted gene co-expression network analysis,MYB transcription factors,anthocyanin transporters,glutathione S-transferase,and multidrug and toxic compound extrusion(MATE)were identified as key regulators that coordinate precursor storage along with light-induced transcriptional activation.Notably,PpMYB4 binds to the promoter of PpGSTF14 and activates its expression,thereby promoting anthocyanin accumulation.The study findings elucidated the temporal coordination of metabolic priming and light-responsive transcriptional regulation driving rapid anthocyanin biosynthesis,with possible implications for improving peach fruit flesh coloration.展开更多
[Objectives]To analyze the microbial community structure and diversity in the rhizosphere soil of peach trees in the Tangshan area of Hebei Province,identify the dominant microbial groups,and explore their potential e...[Objectives]To analyze the microbial community structure and diversity in the rhizosphere soil of peach trees in the Tangshan area of Hebei Province,identify the dominant microbial groups,and explore their potential ecological functions.[Methods]Amplification sequencing analysis of bacterial and fungal communities in the rhizosphere soil of a peach orchard in Qian'an County,Tangshan City,Hebei Province,was performed using Illumina MiSeq high-throughput sequencing technology.[Results]The indices of Sobs,Chao,ACE,and Shannon for soil bacteria in the rhizosphere soil of peach trees were all higher than those for fungi,indicating a more uniform and diverse bacterial community structure.At the phylum level,the bacteria with relatively high abundance included Pseudomonadota(28.29%),Acidobacteriota(18.10%),Bacillota(12.17%),and Actinomycetota(11.73%).In contrast,the fungi with relatively high abundance were Ascomycota(64.64%),Basidiomycota(14.22%),and Mortierellomycota(14.09%).At the genus level,the bacteria with relatively high abundance comprised Sphingomonas(5.00%),Priestia(3.38%),Nitrospira(2.05%),etc.The fungi with relatively high abundance included Fusarium(13.13%),Mortierella(12.86%),Tausonia(6.97%),Neocosmospora(4.77%),etc.[Conclusions]This study offers a foundational dataset and theoretical reference for the regulation of rhizosphere microecology and the management of soil health in peach orchards in Tangshan.展开更多
In a peach orchard in Lyuxiang Town,Jinshan District,Shanghai,youth delegates from 13 countries,officials from the Food and Agriculture Organization of the United Nations(FAO),and agricultural heritage experts were im...In a peach orchard in Lyuxiang Town,Jinshan District,Shanghai,youth delegates from 13 countries,officials from the Food and Agriculture Organization of the United Nations(FAO),and agricultural heritage experts were impressed by sweet and juicy Jinshan flat peaches.Jinshan has a history of flat peach cultivation that spans hundreds of years dating back to the Yuan Dynasty(1271-1368).展开更多
[Objectives]This study was conducted to investigate the impact of soybean intercropping on soil fertility in the planting areas of high-quality peach orchards in Shenxi Town,Zunyi City,Guizhou Province.[Methods]Soil s...[Objectives]This study was conducted to investigate the impact of soybean intercropping on soil fertility in the planting areas of high-quality peach orchards in Shenxi Town,Zunyi City,Guizhou Province.[Methods]Soil samples were collected during the seedling,growth,and maturity stages of soybeans from both non-intercropped soil(control check group,CK)and soybean-intercropped soil(Qiandou 11,experimental group,EK).Analysis was conducted on soil fertility properties,including alkali-hydrolyzable N,available P,and available K.[Results]The impact of soybean intercropping on soil physicochemical properties was primarily manifested as the increased levels of alkali-hydrolyzable N and available K and the decreased level of available P in the soil during the seedling,growing,and maturity stages.Overall,this approach optimized and enhanced soil fertility in the peach orchards,providing a viable pathway for soil improvement in peach orchards located in karst areas.[Conclusions]The findings of this study provide a scientific basis for the high-quality development of high-quality peach orchards.展开更多
Peach blossoms,long celebrated as harbingers of spring in Chinese poetry for over 2,000 years,reach full bloom around March and April.In harmony with the advent of spring and the flowering season,the tradition of appr...Peach blossoms,long celebrated as harbingers of spring in Chinese poetry for over 2,000 years,reach full bloom around March and April.In harmony with the advent of spring and the flowering season,the tradition of appreciating blossoms has become a hallmark of the spring excursion season in China.Amidst the vast sea of peach blossoms,the Nyingchi Peach Blossom Festival stands out prominently,drawing thousands of tourists to Xizang during the season.展开更多
Bud endodormancy represents an ecological adaptation mechanism in perennial deciduous fruit trees to endure winter cold conditions.Sucrose serves a crucial role in bud endodormancy as both an energy metabolizer and si...Bud endodormancy represents an ecological adaptation mechanism in perennial deciduous fruit trees to endure winter cold conditions.Sucrose serves a crucial role in bud endodormancy as both an energy metabolizer and signaling molecule.Sugars Will Eventually be Exported Transporters(SWEETs)function as sugar-efflux transporters that respond to environmental stimuli and contribute to plant growth and development.While SWEET gene families have been identified in various plant species for sugar transport regulation,their mechanism in regulating peach bud endodormancy remains undefined.In this study,we identified 15 SWEET genes in peach.The nomenclature was established through homologous alignment with the Arabidopsis SWEET gene family,resulting in four distinct clades through phylogenetic analysis.Covariance correlation analysis revealed 6 and 12 collinear SWEET genes in peach and Arabidopsis,respectively,forming 13 collinear gene pairs.Real-time quantitative polymerase chain reaction(RT-qPCR)analysis demonstrated significantly elevated expression of PpSWEET6 during peach bud endodormancy release,correlating positively with sucrose content.Transient overexpression of PpSWEET6 enhanced peach bud endodormancy release,while overexpressing PpSWEET6 in Arabidopsis enhanced seed germination and flowering.Y2H and luciferase complementation imaging(LCI)assays confirmed PpSWEET6 interacted with PpABF2.Additionally,dual luciferase reporter(DLR)assays showed that PpSWEET6 significantly decreased the activation of PpDAM6(key dormancy-inducing gene)through PpABF2,thereby modulating peach bud endodormancy release.These findings advance our understanding of SWEET genes in peach bud endodormancy regulation.展开更多
Peach are a fruit with high nutritional and economic value,but their safety and suitability for diabetic patients have been questioned.This study investigated the effects and potential mechanisms of peach pulp(PP)on t...Peach are a fruit with high nutritional and economic value,but their safety and suitability for diabetic patients have been questioned.This study investigated the effects and potential mechanisms of peach pulp(PP)on type 2 diabetes mellitus(T2DM)in mice induced by a high-fat diet(HFD)combined with streptozotocin(STZ).The results showed that PP alleviated hyperglycemia,hyperlipidemia,hyperuricemia,and tissue dysfunction in T2DM mice through the synergistic effect of nutrients and non-nutrient compounds.Analysis of mRNA expression levels revealed that PP improved glucose metabolism in T2DM mice by promoting glycogen synthesis and inhibiting gluconeogenesis.Furthermore,elevated levels of PP resulted in an increase in acetic acid content following a 4 weeks intervention period.Additionally,it led to the restoration of gut microbiota balance by decreasing the Firmicutes/Bacteroidota(F/B)ratio and enhancing the presence of Romboutsia,Allobaculum,Alloprevotella,and Bacteroides after an 8 weeks intervention.Ultimately,our results suggest that PP may offer advantages for individuals with diabetes.展开更多
In order to promote the development of the characteristic industry of fragrant crisp peach in Honghuagang District of Zunyi City,Guizhou Province,and assist the implementation of the rural revitalization strategy,base...In order to promote the development of the characteristic industry of fragrant crisp peach in Honghuagang District of Zunyi City,Guizhou Province,and assist the implementation of the rural revitalization strategy,based on the actual situation of the local forest land,this paper studied the development of under-forest economy and the development of products with high added value.Through the combination of field investigation and laboratory analysis,the technology of interplanting soybean in peach orchard was discussed in depth,and the processing technology of high-quality preserved peach was developed.This paper is intended to expand and extend the industrial chain of fragrant and crisp peaches,and to promote the development of modern mountain characteristic and efficient agriculture.展开更多
[Objectives]To clarify the effects of varying potassium application rates on leaf growth and soil mineral nutrients of greenhouse peaches,and to identify the optimal potassium fertilizer dosage.[Methods]Using the gree...[Objectives]To clarify the effects of varying potassium application rates on leaf growth and soil mineral nutrients of greenhouse peaches,and to identify the optimal potassium fertilizer dosage.[Methods]Using the greenhouse peach superior line C26-7-17 as the test material and maintaining a fixed ratio of nitrogen and phosphorus fertilizers,five potassium fertilizer treatment groups were established.The application rates of potassium sulfate were 0,67,135,202,and 269 g/plant,respectively.The regulatory effects of varying potassium application rates were analyzed by measuring leaf area,chlorophyll content,and soil mineral element content.[Results]Applying nitrogen,phosphorus,and potassium fertilizers in specific proportions increased the leaf area of greenhouse peaches,enhanced chlorophyll content,and significantly improved the soil s nutritional status.Considering the overall optimization of soil nutrients,the recommended potassium fertilizer dosage under the experimental conditions was 202 g/plant.[Conclusions]This study offers theoretical insights that may enhance the quality and efficiency of greenhouse peaches,as well as inform nutrient management strategies.展开更多
Peach gum polysaccharide(PGP),a readily available natural polysaccharide,boasts substantial potential across diverse applications,yet its practical utility is severely limited by its vulnerability to bacterial growth ...Peach gum polysaccharide(PGP),a readily available natural polysaccharide,boasts substantial potential across diverse applications,yet its practical utility is severely limited by its vulnerability to bacterial growth and limited antioxidant activity.Herein,we introduced a simple and effective method to enhance the antibacterial and antioxidant properties of PGP by conjugating it with salicylic acid(SA).Cytotoxicity evaluation results confirmed that the resulting PGP-SA retains the excellent biocompatibility of PGP.Notably,PGP-SA demonstrates outstanding antibacterial activity against both Gram-positive(S.aureus)and Gram-negative(E.coli)bacteria,outperforming non-modified PGP.Its antibacterial mechanism is hypothesized to stem from disrupting bacterial cell membranes and proteins,targeting structures vital to microbial survival.Beyond fighting bacteria,PGP-SA also delivers robust antioxidant activity,efficiently scavenging ABTS radicals.Harnessing these dual enhancements,PGP-SA proves highly effective as a fruit preservation coating.Most impressively,it extends the post-harvest shelf life of mangoes:under identical storage conditions,PGP-SA-coatedmangoes stay fresh for seven extra days compared to uncoated fruit.With its simple synthesis process and standout performance,this work not only overcomes PGP’s key limitations but also opens new avenues for its application in food preservation and related industries.展开更多
为探究套袋对‘红花鹰嘴桃’果实品质的影响,采用气相色谱-串联质谱(gas chromatography-tandem mass spectrometry,GC-MS/MS)技术分析套袋组与未套袋组桃果实的代谢物。结果表明,在‘红花鹰嘴桃’果实中共鉴定出634种代谢物,包括糖类1...为探究套袋对‘红花鹰嘴桃’果实品质的影响,采用气相色谱-串联质谱(gas chromatography-tandem mass spectrometry,GC-MS/MS)技术分析套袋组与未套袋组桃果实的代谢物。结果表明,在‘红花鹰嘴桃’果实中共鉴定出634种代谢物,包括糖类11种、游离脂肪酸33种、挥发性物质590种。其中显著差异代谢物107个,包括上调物质59个,下调物质48个。与未套袋组相比,套袋组果实外观品质提升,山梨醇和油酸含量显著降低(P<0.05),挥发性物质种类更丰富,果实青香味减弱而花果甜香味增强。但套袋组果实的甜度值以及糖类物质、游离脂肪酸和挥发性物质总含量与未套袋组相比均无显著差异(P>0.05)。本研究可为桃果实套袋品质提升提供重要的理论依据。展开更多
基金Supported by Natural Science Foundation of Hunan Province(2024JJ72572025JJ70341)+1 种基金Research and Innovation Project of Hunan University of Humanities,Science and Technology(ZSCX2024Y11)Undergraduate Innovation and Entrepreneurship Training Program(S202410553043).
文摘[Objectives]This study was conducted to clarify the species composition of pathogens causing leaf spot disease in yellow peach in Loudi area of Hunan Province and to screen effective control agents.[Methods]Twenty leaf spot samples were collected from yellow peach planting bases in Lengshuijiang and Shuangjiang,Loudi City.Two isolates were obtained through tissue isolation and purification.Identification was performed based on morphological characteristics combined with rDNA-ITS and Bt-2a gene sequence analysis and pathogenicity assay.[Results]The pathogen causing yellow peach leaf spot in this area was Botryosphaeria dothidea.[Conclusions]This study provides a reference basis for the prevention and control of yellow peach leaf spot in Loudi area.
基金supported by grants from the China Postdoctoral Science Foundation(2023M742867)the High-level Innovation and Entrepreneurship Talents Program of QinChuangYuan,Shaanxi Province,China(QCYRCXM-2022-234)the National Key R&D Program of China(2019YFD1000203)。
文摘Softening of fleshy fruits during ripening and postharvest is a programmed physiological process that substantially impacts fruit quality and shelf life.However,the molecular mechanism underlying peach softening remains largely unknown.Lateral organ boundary(LOB)domain(LBD)proteins are pivotal regulators of plant growth and development.To date,certain LOB/LBD transcription factors are seemingly implicated in fruit softening.In this study,we identified 42 LOB/LBD genes in the peach genome.Expression analysis showed a significant upregulation of PpLOB1 transcripts toward peach fruit ripening.PpLOB1 was classified into Class II subgroup,and showed high sequence similarity to several softening-related LOB/LBD transcription factors.Transient transformation assays showed that PpLOB1 positively modulates peach softening.Further experiments demonstrated that PpLOB1 directly targets and activates the promoters of pectate lyase 1(PpPL1)and PpPL15,thereby contributing to the regulation of fruit softening.Additionally,PpNAP4 up-regulates PpLOB1 expression by binding to its promoter.Meanwhile,our findings revealed that PpNAP4 and PpNAP6 cooperatively modulate the expression of Pp LOB1.Taken together,our findings revealed a novel regulatory module involving PpNAP4 and PpLOB1 that modulates peach fruit softening.
基金supported by the Key Scientific and Technological Grant of Zhejiang for Breeding New Agricultural Varieties(Grant No.2021C12066-4)Huzhou Agricultural Science and Technology Innovation Team Project(Grant No.2022HN01).
文摘Red-fleshed fruits are valued for their vibrant color and high anthocyanin content.Pre-harvest fruit bagging enhances fruit peel pigmentation,but its effect on flesh coloration remains poorly characterized.This study revealed that removing bags from‘Gengcunyangtao’red-fleshed peach fruits triggers the rapid and uniform accumulation of anthocyanins in the flesh,resulting in anthocyanin levels that exceed those in unbagged fruits.The exposure to light after bag removal triggered significant increases in anthocyanin levels within 24 h.This was accompanied by the rapid upregulation of light-responsive and flavonoid biosynthetic gene expression levels within 6 h.A metabolomic analysis indicated that anthocyanin precursors,especially p-coumaric acid,accumulated before bag removal,thereby increasing substrate availability for rapid anthocyanin synthesis.On the basis of a weighted gene co-expression network analysis,MYB transcription factors,anthocyanin transporters,glutathione S-transferase,and multidrug and toxic compound extrusion(MATE)were identified as key regulators that coordinate precursor storage along with light-induced transcriptional activation.Notably,PpMYB4 binds to the promoter of PpGSTF14 and activates its expression,thereby promoting anthocyanin accumulation.The study findings elucidated the temporal coordination of metabolic priming and light-responsive transcriptional regulation driving rapid anthocyanin biosynthesis,with possible implications for improving peach fruit flesh coloration.
文摘[Objectives]To analyze the microbial community structure and diversity in the rhizosphere soil of peach trees in the Tangshan area of Hebei Province,identify the dominant microbial groups,and explore their potential ecological functions.[Methods]Amplification sequencing analysis of bacterial and fungal communities in the rhizosphere soil of a peach orchard in Qian'an County,Tangshan City,Hebei Province,was performed using Illumina MiSeq high-throughput sequencing technology.[Results]The indices of Sobs,Chao,ACE,and Shannon for soil bacteria in the rhizosphere soil of peach trees were all higher than those for fungi,indicating a more uniform and diverse bacterial community structure.At the phylum level,the bacteria with relatively high abundance included Pseudomonadota(28.29%),Acidobacteriota(18.10%),Bacillota(12.17%),and Actinomycetota(11.73%).In contrast,the fungi with relatively high abundance were Ascomycota(64.64%),Basidiomycota(14.22%),and Mortierellomycota(14.09%).At the genus level,the bacteria with relatively high abundance comprised Sphingomonas(5.00%),Priestia(3.38%),Nitrospira(2.05%),etc.The fungi with relatively high abundance included Fusarium(13.13%),Mortierella(12.86%),Tausonia(6.97%),Neocosmospora(4.77%),etc.[Conclusions]This study offers a foundational dataset and theoretical reference for the regulation of rhizosphere microecology and the management of soil health in peach orchards in Tangshan.
文摘In a peach orchard in Lyuxiang Town,Jinshan District,Shanghai,youth delegates from 13 countries,officials from the Food and Agriculture Organization of the United Nations(FAO),and agricultural heritage experts were impressed by sweet and juicy Jinshan flat peaches.Jinshan has a history of flat peach cultivation that spans hundreds of years dating back to the Yuan Dynasty(1271-1368).
基金Supported by Undergraduate Innovation and Entrepreneurship Training Program of Guizhou Province(S2024106642161)Zunyi City and Zunyi Normal University Joint Technology Research Fund(ZSKH HZ Z(2023)159)+3 种基金Zunyi Science and Technology Support Program Project(ZSKHZC NS[2023]15)Science and Technology Commissioner Innovation and Entrepreneurship Service Training Demonstration Base of Guizhou Province(HHG2025001)Natural Science Research Project of Department of Education of Guizhou Province(QJJ[2023]043)Zunyi Science and Technology Innovation Team Project(ZKCTD008).
文摘[Objectives]This study was conducted to investigate the impact of soybean intercropping on soil fertility in the planting areas of high-quality peach orchards in Shenxi Town,Zunyi City,Guizhou Province.[Methods]Soil samples were collected during the seedling,growth,and maturity stages of soybeans from both non-intercropped soil(control check group,CK)and soybean-intercropped soil(Qiandou 11,experimental group,EK).Analysis was conducted on soil fertility properties,including alkali-hydrolyzable N,available P,and available K.[Results]The impact of soybean intercropping on soil physicochemical properties was primarily manifested as the increased levels of alkali-hydrolyzable N and available K and the decreased level of available P in the soil during the seedling,growing,and maturity stages.Overall,this approach optimized and enhanced soil fertility in the peach orchards,providing a viable pathway for soil improvement in peach orchards located in karst areas.[Conclusions]The findings of this study provide a scientific basis for the high-quality development of high-quality peach orchards.
文摘Peach blossoms,long celebrated as harbingers of spring in Chinese poetry for over 2,000 years,reach full bloom around March and April.In harmony with the advent of spring and the flowering season,the tradition of appreciating blossoms has become a hallmark of the spring excursion season in China.Amidst the vast sea of peach blossoms,the Nyingchi Peach Blossom Festival stands out prominently,drawing thousands of tourists to Xizang during the season.
基金funded by the National Key Research and Development Program of China(2018YFD1000104)the Shandong Provincial Fruit Industry Technology System Cultivation and Soil Fertilization Post,China(SDAIT-06-04)the Key R&D Program of Shandong Province(Competitive Innovation Platform),China(2022CXPT017).
文摘Bud endodormancy represents an ecological adaptation mechanism in perennial deciduous fruit trees to endure winter cold conditions.Sucrose serves a crucial role in bud endodormancy as both an energy metabolizer and signaling molecule.Sugars Will Eventually be Exported Transporters(SWEETs)function as sugar-efflux transporters that respond to environmental stimuli and contribute to plant growth and development.While SWEET gene families have been identified in various plant species for sugar transport regulation,their mechanism in regulating peach bud endodormancy remains undefined.In this study,we identified 15 SWEET genes in peach.The nomenclature was established through homologous alignment with the Arabidopsis SWEET gene family,resulting in four distinct clades through phylogenetic analysis.Covariance correlation analysis revealed 6 and 12 collinear SWEET genes in peach and Arabidopsis,respectively,forming 13 collinear gene pairs.Real-time quantitative polymerase chain reaction(RT-qPCR)analysis demonstrated significantly elevated expression of PpSWEET6 during peach bud endodormancy release,correlating positively with sucrose content.Transient overexpression of PpSWEET6 enhanced peach bud endodormancy release,while overexpressing PpSWEET6 in Arabidopsis enhanced seed germination and flowering.Y2H and luciferase complementation imaging(LCI)assays confirmed PpSWEET6 interacted with PpABF2.Additionally,dual luciferase reporter(DLR)assays showed that PpSWEET6 significantly decreased the activation of PpDAM6(key dormancy-inducing gene)through PpABF2,thereby modulating peach bud endodormancy release.These findings advance our understanding of SWEET genes in peach bud endodormancy regulation.
基金supported by the Zhejiang Key R&D Program of China(2020C02037)the Ningbo Agricultural Research Program of China(2022S1542022S138).
文摘Peach are a fruit with high nutritional and economic value,but their safety and suitability for diabetic patients have been questioned.This study investigated the effects and potential mechanisms of peach pulp(PP)on type 2 diabetes mellitus(T2DM)in mice induced by a high-fat diet(HFD)combined with streptozotocin(STZ).The results showed that PP alleviated hyperglycemia,hyperlipidemia,hyperuricemia,and tissue dysfunction in T2DM mice through the synergistic effect of nutrients and non-nutrient compounds.Analysis of mRNA expression levels revealed that PP improved glucose metabolism in T2DM mice by promoting glycogen synthesis and inhibiting gluconeogenesis.Furthermore,elevated levels of PP resulted in an increase in acetic acid content following a 4 weeks intervention period.Additionally,it led to the restoration of gut microbiota balance by decreasing the Firmicutes/Bacteroidota(F/B)ratio and enhancing the presence of Romboutsia,Allobaculum,Alloprevotella,and Bacteroides after an 8 weeks intervention.Ultimately,our results suggest that PP may offer advantages for individuals with diabetes.
基金Supported by Zunyi City Municipal and University Joint Science and Technology R&D Funding Project(HZ2023159)Zunyi Science and Technology Support Program Project(NS2023015)+2 种基金Guizhou Provincial Science and Technology Commissioner Innovation and Entrepreneurship Service Training Demonstration Base(HHG2023001)Honghuagang District Science and Technology Cooperation Project(HZ[2022]No.08)Honghuagang District Science and Technology Cooperation Project(HZ[2022]No.03).
文摘In order to promote the development of the characteristic industry of fragrant crisp peach in Honghuagang District of Zunyi City,Guizhou Province,and assist the implementation of the rural revitalization strategy,based on the actual situation of the local forest land,this paper studied the development of under-forest economy and the development of products with high added value.Through the combination of field investigation and laboratory analysis,the technology of interplanting soybean in peach orchard was discussed in depth,and the processing technology of high-quality preserved peach was developed.This paper is intended to expand and extend the industrial chain of fragrant and crisp peaches,and to promote the development of modern mountain characteristic and efficient agriculture.
基金Supported by China Agricultural Industry Research System(CARS-30-Z-02)Innovation Team Construction of Hebei Agricultural Industry Research System(HBCT2024160205)+2 种基金Modern Seed Industry Technology Innovation Team Project for Hot Fruit Punch(21326310D)Science and Technology Innovation Special Project of Hebei Academy of Agricultural and Forestry Sciences(2022KJCXZX-CGS-6)Fundamental Research Fund Project of Hebei Academy of Agricultural and Forestry Sciences(2025020102).
文摘[Objectives]To clarify the effects of varying potassium application rates on leaf growth and soil mineral nutrients of greenhouse peaches,and to identify the optimal potassium fertilizer dosage.[Methods]Using the greenhouse peach superior line C26-7-17 as the test material and maintaining a fixed ratio of nitrogen and phosphorus fertilizers,five potassium fertilizer treatment groups were established.The application rates of potassium sulfate were 0,67,135,202,and 269 g/plant,respectively.The regulatory effects of varying potassium application rates were analyzed by measuring leaf area,chlorophyll content,and soil mineral element content.[Results]Applying nitrogen,phosphorus,and potassium fertilizers in specific proportions increased the leaf area of greenhouse peaches,enhanced chlorophyll content,and significantly improved the soil s nutritional status.Considering the overall optimization of soil nutrients,the recommended potassium fertilizer dosage under the experimental conditions was 202 g/plant.[Conclusions]This study offers theoretical insights that may enhance the quality and efficiency of greenhouse peaches,as well as inform nutrient management strategies.
基金supported by Guangxi Science and Technology Plan Project(No.Guike AA25069007)Guilin Scientific Research and Technology Development Plan(No.20220103-2).
文摘Peach gum polysaccharide(PGP),a readily available natural polysaccharide,boasts substantial potential across diverse applications,yet its practical utility is severely limited by its vulnerability to bacterial growth and limited antioxidant activity.Herein,we introduced a simple and effective method to enhance the antibacterial and antioxidant properties of PGP by conjugating it with salicylic acid(SA).Cytotoxicity evaluation results confirmed that the resulting PGP-SA retains the excellent biocompatibility of PGP.Notably,PGP-SA demonstrates outstanding antibacterial activity against both Gram-positive(S.aureus)and Gram-negative(E.coli)bacteria,outperforming non-modified PGP.Its antibacterial mechanism is hypothesized to stem from disrupting bacterial cell membranes and proteins,targeting structures vital to microbial survival.Beyond fighting bacteria,PGP-SA also delivers robust antioxidant activity,efficiently scavenging ABTS radicals.Harnessing these dual enhancements,PGP-SA proves highly effective as a fruit preservation coating.Most impressively,it extends the post-harvest shelf life of mangoes:under identical storage conditions,PGP-SA-coatedmangoes stay fresh for seven extra days compared to uncoated fruit.With its simple synthesis process and standout performance,this work not only overcomes PGP’s key limitations but also opens new avenues for its application in food preservation and related industries.
文摘为探究套袋对‘红花鹰嘴桃’果实品质的影响,采用气相色谱-串联质谱(gas chromatography-tandem mass spectrometry,GC-MS/MS)技术分析套袋组与未套袋组桃果实的代谢物。结果表明,在‘红花鹰嘴桃’果实中共鉴定出634种代谢物,包括糖类11种、游离脂肪酸33种、挥发性物质590种。其中显著差异代谢物107个,包括上调物质59个,下调物质48个。与未套袋组相比,套袋组果实外观品质提升,山梨醇和油酸含量显著降低(P<0.05),挥发性物质种类更丰富,果实青香味减弱而花果甜香味增强。但套袋组果实的甜度值以及糖类物质、游离脂肪酸和挥发性物质总含量与未套袋组相比均无显著差异(P>0.05)。本研究可为桃果实套袋品质提升提供重要的理论依据。
