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Establishment of a transformation system in close relatives of wheat under the assistance of TaWOX5

Journal of Integrative Agriculture 2024年第6期23卷 1839-1849页

作者： Yanan Chang Junxian Liu Chang Liu Huiyun Liu Huali Tang Yuliang Qiu Zhishan Lin Ke Wang Yueming Yan Xingguo Ye institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Beijing Key Laboratory of Plant Gene resources and biotechnology for Carbon Reduction and Environment Improvement/College of Life Science Capital Normal UniversityBeijing 100048China College of Agronomy and biotechnology China Agricultural UniversityBeijing 100193China State Key Laboratory of Plant Cell and Chromosome Engineering/institute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing 100101China

Species closely related to wheat are important genetic resources for agricultural production,functional genomics studies and wheat *** this study,a wheat gene related to regeneration,TaWOX5,was applied to establish the Agrobacterium-mediated transformation systems of Triticum monococcum,hexaploid triticale,and rye(Secale cereale L.)using their immature *** plants were efficiently *** the transformation process,the Agrobacterium infection efficiency was assessed by histochemical staining forβ-glucuronidase(GUS).Finally,the transgenic nature of regenerated plants was verified by polymerase chain reaction(PCR)-based genotyping for the presence of the GUS and bialaphos resistance(bar)genes,histochemical staining for GUS protein,and the QuickStix strip assay for bar *** transformation efficiency of *** genotype PI428182 was 94.4%;the efficiencies of four hexaploid triticale genotypes Lin456,ZS3297,ZS1257,and ZS3224 were 52.1,41.2,19.4,and 16.0%,respectively;and the transformation efficiency of rye cultivar Lanzhou Heimai was 7.8%.Fluorescence in situ hybridization(FISH)and genomic in situ hybridization(GISH)analyses indicated that the GUS transgenes were integrated into the distal or near centromere(proximal)regions of the chromosomes in transgenic *** and hexaploid triticale *** the transgenic hexaploid triticale plants,the foreign DNA fragment was randomly integrated into the AABB and RR ***,the transgene was almost stably inherited in the next generation by Mendel’s *** findings in this study will promote the genetic improvement of the three plant species for grain or forage production and the improvement of cereal species including wheat for functional genomics studies.

关键词： Triticum monococcum hexaploid triticale rye TaWOX5 Agrobacterium transformation efficiency

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Magnesium-incorporated biocomposite scaffolds:A novel frontier in bone tissue engineering

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Journal of Magnesium and Alloys 2024年第6期12卷 2231-2248页

作者： Abinaya Shanmugavadivu Sundaravadhanan Lekhavadhani Sushma Babu Nivetha Suresh Nagarajan Selvamurugan Department of biotechnology School of BioengineeringCollege of Engineering and TechnologySRM Institute of Science and TechnologyKattankulathur603203Tamil NaduIndia

Nonunion represents a crucial challenge in orthopedic medicine,demanding innovative solutions beyond the scope of traditional bone grafting *** the various strategies available,magnesium(Mg)implants have been recognized for their biocompatibility and ***,their susceptibility to rapid corrosion and degradation has garnered notable research interest in bone tissue engineering(BTE),particularly in the development of Mg-incorporated biocomposite *** scaffolds gradually release Mg2+,which enhances immunomodulation,osteogenesis,and angiogenesis,thus facilitating effective bone *** review presents myriad fabrication techniques used to create Mg-incorporated biocomposite scaffolds,including electrospinning,three-dimensional printing,and sol-gel *** these advancements,the application of Mg-incorporated biocomposite scaffolds faces challenges such as controlling the degradation rate of Mg and ensuring mechanical *** limitations highlight the necessity for ongoing research aimed at refining fabrication techniques to better regulate the physicochemical and osteogenic properties of *** review provides insights into the potential of Mg-incorporated biocomposite scaffolds for BTE and the challenges that need to be addressed for their successful translation into clinical applications.

关键词： Magnesium Bone tissue engineering Immunomodulation Osteogenesis Angiogenesis

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Lactobacillus plantarum CCFM1180 attenuates obesity induced by estrogen deficiency by activating estrogen receptor alpha in abdominal adipose tissue and regulating gut microbiota-derived metabolites

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Food Science and Human Wellness 2024年第2期13卷 765-777页

作者： Qian Chen Chunxia Mei Min Guo Botao Wang Haiqin Chen Jianxin Zhao Gang Wang Wei Chen State Key Laboratory of Food Science and resources Jiangnan UniversityWuxi 214122China School of Food Science and Technology Jiangnan UniversityWuxi 214122China National Engineering Research Center for Functional Food Jiangnan UniversityWuxi 214122China (Yangzhou)institute of Food biotechnology Jiangnan UniversityYangzhou 225004China Bloomage biotechnology Co. Ltd.Jinan 250000China

Lipid metabolism disorders commonly occur during *** deficiency has been shown to lead to excessive energy intake and abnormal lipid metabolism in ovariectomized rats,resulting in *** exhibit anti-obesity properties,and their underlying mechanism has been widely *** this study,we demonstrated the metabolic benefits of Lactobacillus plantarum CCFM1180 in suppressing appetite,controlling body weight,correcting obesity-induced abnormalities,enhancing liver lipid metabolism,and protecting liver function in estrogen-deficient *** mechanisms associated with the anti-obesity and anti-dyslipidemia effects of CCFM1180 on estrogen-deficient rats were *** results showed that CCFM1180 dramatically reduced food intake by activating the expression of estrogen receptor alpha(ERα)and increasing the level of leptin in abdominal adipose *** changes,combined with the increased butyrate concentration and recovered bile acid structure,helped enhance lipid ***,CCFM1180 treatment was found to be safer than exogenous estrogen ***,*** CCFM1180 could be considered a new therapeutic strategy for preventing and alleviating menopausal lipid abnormalities.

关键词： Bile acid Gut microbiota Menopause Ovariectomy Short chain fatty acid

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Effects of different doses of glucose and fructose on central metabolic pathways and intercellular wireless communication networks in humans

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Food Science and Human Wellness 2024年第4期13卷 1906-1916页

作者： Dingqiang Lu Yujiao Liu Miao Zhao Shuai Yuan Danyang Liu Xinqian Wang Yixuan Liu Yifei Zhang Ming Li Yufeng Lü Guangchang Pang Ruijuan Ren College of biotechnology&Food Science Tianjin University of CommerceTianjin Key Laboratory of Food BiotechnologyTianjin 300314China Tianjin institute for Food Safety Inspection Technology Tianjin 300134China

Fructose and glucose are often widely used in food processing and may contribute to many metabolic *** observe the effects of different doses of glucose and fructose on human metabolism and cellular communication,volunteers were given low,medium,and high doses of glucose and *** cytokines,glucose,lactate,nicotinamide adenine dinucleotide(NADH)and metabolic enzymes were assayed,and central carbon metabolic pathway networks and cytokine communication networks were *** results showed that the glucose and fructose groups basically maintained the trend of decreasing catabolism and increasing anabolism with increasing *** with glucose,low-dose fructose decreased catabolism and increased anabolism,significantly enhanced the expression of the inflammatory cytokine interferon-γ(IFN-γ),macrophage-derived chemokine(MDC),induced protein-10(IP-10),and eotaxin,and significantly reduced the activity of isocitrate dehydrogenase(ICDH)and pyruvate dehydrogenase complexes(PDHC).Both medium and high doses of fructose increase catabolism and anabolism,and there are more cytokines and enzymes with significant ***,multiple cytokines and enzymes show strong relevance to metabolic regulation by altering the transcription and expression of enzymes in central carbon metabolic ***,excessive intake of fructose should be reduced to avoid excessive inflammatory responses,allergic reactions and autoimmune diseases.

关键词： Fructose Glucose Central carbon metabolic pathway Metabolic enzymes Cytokine network

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Carrimycin inhibits coronavirus replication by decreasing the efficiency of programmed–1 ribosomal frameshifting through directly binding to the RNA pseudoknot of viral frameshift-stimulatory element

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Acta Pharmaceutica Sinica B 2024年第6期14卷 2567-2580页

作者： Hongying Li Jianrui Li Jiayu Li Hu Li Xuekai Wang Jing Jiang Lei Lei Han Sun Mei Tang Biao Dong Weiqing He Shuyi Si Bin Hong Yinghong Li Danqing Song Zonggen Peng Yongsheng Che Jian-Dong Jiang CAMS Key Laboratory of Antiviral Drug Research Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050China Beijing Key Laboratory of Antimicrobial Agents Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050China Key Laboratory of biotechnology of Antibiotics the National Health and Family Planning Commission(NHFPC)Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050China

The pandemic of SARS-CoV-2 worldwide with successive emerging variants urgently calls for small-molecule oral drugs with broad-spectrum antiviral ***,we show that carrimycin,a new macrolide antibiotic in the clinic and an antiviral candidate for SARS-CoV-2 in phase III trials,decreases the efficiency of programmed–1 ribosomal frameshifting of coronaviruses and thus impedes viral replication in a broad-spectrum *** binds directly to the coronaviral frameshift-stimulatory element(FSE)RNA pseudoknot,interrupting the viral protein translation switch from ORF1a to ORF1b and thereby reducing the level of the core components of the viral replication and transcription *** carrimycin with known viral replicase inhibitors yielded a synergistic inhibitory effect on *** the FSE mechanism is essential in all coronaviruses,carrimycin could be a new broad-spectrum antiviral drug for human coronaviruses by directly targeting the conserved coronaviral FSE *** finding may open a new direction in antiviral drug discovery for coronavirus variants.

关键词： Carrimycin Coronavirus Broad-spectrum antiviral activity Programmed-1 ribosomal frameshifting RNA pseudoknot Antiviral agent RNA target Synergistic inhibitory effect

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Arbuscular mycorrhizae status of host plant affects offspring’s phenotype and transcriptome expression in a low-phosphorus environment

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Journal of Plant Ecology 2024年第2期17卷 173-187页

作者： Shijun Liu Jing Xu Hong Huang Jianjun Tang Xin Chen Key Laboratory of Plant biotechnology of Liaoning Province School of Life SciencesLiaoning Normal UniversityDalian 116081China College of Life Sciences Zhejiang UniversityHangzhou 310058China The institute of Environmental resources and Soil Fertilizers Zhejiang Academy of Agricultural SciencesHangzhou 310021China

Although the effects of arbuscular mycorrhizal fungi(AMF)on host plants have been well documented,whether the effects of AMF on parental generations affect offspring performance is not fully *** conducted a common garden experiment to determine whether AMF status of host plants(Medicago truncatula)affects phenotype and transcriptome expression of their *** from four type parental treatments(low-phosphorus(P)soil without AMF,low-P soil with AMF,high-P soil without AMF and high-P soil with AMF)were grown under low-P(LPS)and normal-P soil(OHS)*** fowering pattern of LP offspring was similar to their parents,such that plants with AMF fowered earlier than those without AMF under OHS condition but were opposite under LPS *** transcriptome differential analysis showed that some differential transcripts(45 for parental plants growing under low-P condition and 3 for parental plants growing under high-P condition)expression patterns between offspring were comparable,and that only affected by parental AMF status regardless of the P environment that offspring was ***(146 for parental plants growing under low-P condition and 2 for parental plants growing under high-P condition),however,were affected both by the parental AMF status and the offspring P *** addition,the number of differential transcripts between offspring whose parental plants grew under high-P condition was far less than under low-P *** results indicate that AMF may not only affect the current generation of host plants but also affect the offspring especially when their parents have experienced a stressful environment.

关键词： arbuscular mycorrhizal fungi low-phosphorus environment fowering pattern transgenerational effects transcriptome differential analysis

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A pair of nuclear factor Y transcription factors act as positive regulators in jasmonate signaling and disease resistance in Arabidopsis

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Journal of Integrative Plant Biology 2024年第9期66卷 2042-2057页

作者： Chuyu Lin Chenghao Lan Xiaoxiao Li Wei Xie Fucheng Lin Yan Liang Zeng Tao Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects Institute of BiotechnologyZhejiang UniversityHangzhou 310058China State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro‐products Institute of BiotechnologyZhejiang UniversityHangzhou 311400China

The plant hormone jasmonate(JA)regulates plant growth and immunity by orchestrating a genome-wide transcriptional *** the resting stage,JASMONATE-ZIM DOMAIN(JAZ)proteins act as main repressors to regulate the expression of JA-responsive genes in the JA signaling ***,the mechanisms underlying de-repression of JA-responsive genes in response to JA treatment remain ***,we report two nuclear factor Y transcription factors NF-YB2 and NF-YB3(thereafter YB2 and YB3)play key roles in such de-repression in ***2 and YB3 function redundantly and positively regulate plant resistance against the necrotrophic pathogen Botrytis cinerea,which are specially required for transcriptional activation of a set of JA-responsive genes following ***,YB2 and YB3 modulated their expression through direct occupancy and interaction with histone demethylase Ref6 to remove repressive histone ***,YB2 and YB3 physically interacted with JAZ repressors and negatively modulated their abundance,which in turn attenuated the inhibition of JAZ proteins on the transcription of JA-responsive genes,thereby activating JA response and promoting disease ***,our study reveals the positive regulators of YB2 and YB3 in JA signaling by positively regulating transcription of JA-responsive genes and negatively modulating the abundance of JAZ proteins.

关键词： histone demethylase jasmonate response JAZ repressor necrotrophic resistance nuclear factor

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A NAC transcription factor MNAC3-centered regulatory network negatively modulates rice immunity against blast disease

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Journal of Integrative Plant Biology 2024年第9期66卷 2017-2041页

作者： Hui Wang Yan Bi Yuqing Yan Xi Yuan Yizhou Gao Muhammad Noman Dayong Li Fengming Song National Key Laboratory for Rice Biology and Breeding Institute of BiotechnologyZhejiang UniversityHangzhou 310058China Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests Institute of BiotechnologyZhejiang UniversityHangzhou 310058China Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province Institute of BiotechnologyZhejiang UniversityHangzhou 310058China College of Chemistry and Life Sciences Zhejiang Normal UniversityJinhua 321004China

NAC transcription factors(TFs)are pivotal in plant immunity against diverse ***,we report the functional and regulatory network of MNAC3,a novel NAC TF,in rice ***3,a transcriptional activator,negatively modulates rice immunity against blast and bacterial leaf blight diseases and pathogen-associated molecular pattern(PAMP)-triggered immune ***3 binds to a CACG cis-element and activates the transcription of immune-negative target genes OsINO80,OsJAZ10,and *** negative function of MNAC3 in rice immunity depends on its transcription of downstream genes such as OsINO80 and ***3 interacts with immunity-related OsPP2C41(a protein phosphatase),ONAC066(a NAC TF),and OsDjA6(a DnaJ chaperone).ONAC066 and OsPP2C41 attenuate MNAC3 transcriptional activity,while OsDjA6 promotes *** of MNAC3 at S163 is critical for its negative functions in rice ***2C41,which plays positive roles in rice blast resistance and chitin-triggered immune responses,dephosphorylates MNAC3,suppressing its transcriptional activity on the target genes OsINO80,OsJAZ10,and OsJAZ11 and promoting the translocation of MNAC3 from nucleus to *** results establish a MNAC3-centered regulatory network in which OsPP2C41 dephosphorylates MNAC3,attenuating its transcriptional activity on downstream immune-negative target genes in ***,these findings deepen our understanding of molecular mechanisms in rice immunity and offer a novel strategy for genetic improvement of rice disease resistance.

关键词： NAC transcription factor MNAC3 OsINO80 OsJAZ10 OsJAZ11 protein phosphatase OsPP2C41 rice immunity

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Large-scale interplant exchange of macromolecules between soybean and dodder under nutrient stresses

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Plant Diversity 2024年第1期46卷 116-125页

作者： Jingxiong Zhang Shalan Li Wenxing Li Zerui Feng Shuhan Zhang Xijie Zheng Yuxing Xu Guojing Shen Man Zhao Guoyan Cao Xuna Wu Jianqiang Wu Department of Economic Plants and biotechnology Yunnan Key Laboratory for Wild Plant ResourcesKunming Institute of BotanyChinese Academy of SciencesKunming 650201China CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijing 100049China State Key Laboratory of Conservation and Utilization of Bio-resources in Yunnan and Center for Life Science School of Life SciencesYunnan UniversityKunming 650500China

Parasitic plants and their hosts communicate through haustorial *** deficiency is a common stress for plants,yet little is known about whether and how host plants and parasites communicate during adaptation to such nutrient *** this study,we used transcriptomics and proteomics to analyze how soybean(Glycine max)and its parasitizing dodder(Cuscuta australis)respond to nitrate and phosphate deficiency(-N and-P).After-N and-P treatment,the soybean and dodder plants exhibited substantial changes of transcriptome and proteome,although soybean plants showed very few transcriptional responses to-P and dodder did not show any transcriptional changes to either-N ***,large-scale interplant transport of mRNAs and proteins was *** the mobile mRNAs only comprised at most 0.2%of the transcriptomes,the foreign mobile proteins could reach 6.8%of the total proteins,suggesting that proteins may be the major forms of interplant ***,the interplant mobility of macromolecules was specifically affected by the nutrient regimes and the transport of these macromolecules was very likely independently *** study provides new insight into the communication between host plants and parasites under stress conditions.

关键词： Cuscuta Mobile molecules Nutrient deficiency Host plant-parasitic plant interaction Interplant transport Systemic signaling

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R2R3-type Lo MYB21 affects jasmonate-regulated development and dehiscence of anthers in lily(Lilium oriental hybrids)

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Horticultural Plant Journal 2024年第1期10卷 239-251页

作者： Zheng Tong Tingting Dong Qiuhua Li Rui Wang Junna He Bo Hong institute of Tropical Bioscience and biotechnology Chinese Academy of Tropical Agricultural Sciences&Hainan Institute for Tropical Agricultural ResourcesHaikouHainan 571101China Beijing Key Laboratory of Development and Quality Control of Ornamental Crops Department of Ornamental HorticultureChina Agricultural UniversityBeijing 100193China Beijing Garden Expo Management Center Beijing 100072China

Lilies are widely cultivated for cut flowers,but their large anthers carry a considerable amount of colored pollen that is dispersed *** the molecular mechanism of anther development and dehiscence could help solve this ***21,encoding a putative R2R3v-myb avian myeloblastosis viral oncogene homolog(MYB)transcription factor,was identified from oriental lilies(Lilium‘Siberia’).Real-time quantitative PCR analysis showed that LoMYB21 was mainly expressed in the anther,filament and stigma and had high expression during the late stages of lily anther ***21 had transactivation activity and was located in the nucleus through yeast one-hybrid assays and transient expression in Nicotiana *** of LoMYB21 by virus-induced gene silencing(VIGS)in Lilium‘Siberia’led to anther indehiscence and reduced the expression of genes related to Jasmonate acid(JA)biosynthesis and signal *** of LoMYB21 in DEX::LoMYB21 transgenic Arabidopsis caused procumbent inflorescences that became infertile,accompanied by higher expression of JA biosynthetic and signaling *** results demonstrated that JA content and signaling were abnormal in silenced lily and transgenic LoMYB21 Arabidopsis,which affected anther *** study indicated that LoMYB21 could regulate lily anther dehiscence through JA biosynthesis and signaling during the late stages of anther development.

关键词： Lilium LoMYB21 Anther dehiscence Jasmonate acid

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