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Comprehensive analyses of the proteome and ubiquitome revealed mechanism of high temperature accelerating petal abscission in tree peony

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Horticultural plant Journal 2024年第1期10卷 205-222页

作者： Chunying Liu Ziqi Liu Yanchao Yuan Yuxi Zhang Yifu Fang Junqiang Chen Shupeng Gai key laboratory of plant Biotechnology in shandong province College of Life SciencesQingdao Agricultural UniversityQingdaoShandong 266109China shandong Academy of Forestry JinanShandong 250014China

Tree peony(Paeonia suffruticosa Andrews)is a well-known ornamental plant with high economic value,but the short fluorescence is a key obstacle to its ornamental value and industry *** temperature accelerates flower senescence and abscission,but the associated mechanisms are poorly *** this study,the tandem mass tag(TMT)proteome and label-free quantitative ubiquitome from tree peony cut flowers treated with 20℃for 0 h(RT0),20℃or 28℃for 60 h(RT60 or HT60)were examined based on morphological observation,***,6970 proteins and 1545 lysine ubiquitinated(Kub)sites in 844 proteins were *** residues(such as glutamate and aspartate)neighboring the Kub sites were in preference,and 36.01%of the Kub sites were located on the protein *** differentially expressed proteins(DEPs)and Kub-DEPs in HT60 vs RT60 were mainly enriched in ribosomal protein,protein biosynthesis,secondary metabolites biosynthesis,flavonoid metabolism,carbohydrate catabolism,and auxin biosynthesis and signaling revealed by GO and KEGG analysis,accompanying the increase of endogenous abscisic acid(ABA)accumulation and decrease of endogenous indoleacetic acid(IAA)***,the expression patterns of six enzymes(SAMS,ACO,YUC,CHS,ANS and PFK)putatively with Kub modifications were analyzed by proteome and real-time quantitative *** cell-free degradation assays showed PsSAMS and PsACO proteins could be degraded via the 26 S proteasome system in tree peony ***,a working model was proposed for the acceleration of flower senescence and abscission by high *** summary,all results contributed to understanding the mechanism of flower senescence induced by high temperature and prolonging fluorescence in tree peony.

关键词： Tree peony Proteome Ubiquitome High temperature Flower senescence

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Halotolerant Bacillus *** RA coordinates myo-inositol metabolism to confer salt tolerance to tomato

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Journal of Integrative plant Biology 2024年第9期66卷 1871-1885页

作者： Fenghui Wu Zengting Chen Xiaotong Xu Xin Xue Yanling Zhang Na Sui shandong Provincial key laboratory of plant stress College of Life SciencesShandong Normal UniversityJinan 250014China Dongying key laboratory of Salt Tolerance Mechanism and Application of Halophytes Dongying InstituteShandong Normal UniversityNo.2 Kangyang RoadDongying 257000China

Soil salinity is a worldwide problem threatening crop *** plant growth-promoting rhizobacteria(PGPR)could survive in high salt environment and assist plant adaptation to ***,the genomic and metabolic features,as well as the regulatory mechanisms promoting salt tolerance in plants by these bacteria remain largely *** the current work,a novel halotolerant PGPR strain,namely,Bacillus *** RA can enhance tomato tolerance to salt *** genomic analysis of strain RA with its closely related species indicated a high level of evolutionary plasticity exhibited by strain-specific genes and evolutionary constraints driven by purifying selection,which facilitated its genomic adaptation to salt-affected *** transcriptome further showed that strain RA could tolerate salt stress by balancing energy metabolism via the reprogramming of biosynthetic *** exude a plethora of metabolites that can strongly influence plant *** accumulation of myo-inositol in leaves under salt stress was observed,leading to the promotion of plant growth triggered by Bacillus *** ***,myo-inositol serves as a selective force in the assembly of the phyllosphere microbiome and the recruitment of plant-beneficial *** promotes destabilizing properties in phyllosphere bacterial co-occurrence networks,but not in fungal ***,interdomain interactions between bacteria and fungi were strengthened by myo-inositol in response to salt *** work highlights the genetic adaptation of RA to salt-affected soils and its ability to impact phyllosphere microorganisms through the adjustment of myo-inositol metabolites,thereby imparting enduring resistance against salt stress in tomato.

关键词： myo‐inositol PGPR phyllosphere microorganisms salt stress tomato

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Molecular mechanisms of stress resistance in sorghum: Implications for crop improvement strategies

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Journal of Integrative Agriculture 2024年第3期23卷 741-768页

作者： Hongxiang Zheng Yingying Dang Xianmin Diao Na Sui shandong Provincial key laboratory of plant stress/College of life Sciences Shandong Normal UniversityJinan 250014China Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China

Abiotic stresses, such as drought, salt, extreme temperatures, and heavy metal pollution, are the main environmental factors that limit crop growth and yield. Sorghum, a C4 grass plant with high photosynthetic efficiency, can grow in adverse environmental conditions due to its excellent stress resistance characteristics. Therefore, unraveling the stress-resistance mechanism of sorghum could provide a theoretical basis for developing and cultivating various stress-resistant crops. This understanding could also help to create a conducive environment for using marginal soil in agriculture and ensuring food security. In this review, we discuss the adaptation mechanisms of sorghum under drought, salinity, temperature, and soil heavy metal stresses, the specific response to stress, the screening of sorghum-resistant germplasm, and the identification and functional analysis of the relevant genes and quantitative trait loci(QTL). In addition, we discuss the application potential of different stress-tolerant sorghum germplasms reported to date and emphasize the feasibility and potential use in developing and promoting highly stress-tolerant sorghum in marginal soil.

关键词： abiotic stress C4 plants QTL sorghum stress resistance yield stability

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The MYB transcription factor OsMYBxoc1 regulates resistance to Xoc by directly repressing transcription of the iron transport gene OsNRAMP5 in rice

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plant Communications 2024年第6期5卷 230-245页

作者： Haimiao Zhang Baolong Sun Wei Wu Yang Li Ziyi Yin Chongchong Lu Haipeng Zhao Lingguang Kong Xinhua Ding State key laboratory of Crop Biology Shandong Provincial Key Laboratory of Agricultural MicrobiologyCollege of Plant ProtectionShandong Agricultural UniversityTai’an 271018China

Bacterial leaf streak caused by Xanthomonas oryzae ***(Xoc)is a continuous threat to rice cultivation,leading to substantial yield losses with socioeconomic *** ions are essential mineral nutrients for plant growth,but little information is available on how they influence mechanisms of rice immunity against ***,we investigated the role of the myeloblastosis-related(MYB)transcriptional repressor OsMYBxoc1 in modulation of rice resistance through control of iron ion *** of OsMYBxoc1 significantly increased rice resistance,whereas OsMYBxoc1 RNA-interference lines and knockout mutants showed the opposite *** of OsMYBxoc1 expression dampened the immune response induced by pathogen-associated molecular *** demonstrated that OsMYBxoc1 binds specifically to the OsNRAMP5 promoter and represses transcription of ***5,a negative regulator of rice resistance to bacterial leaf streak,possesses metal ion transport activity,and inhibition of OsMYBxoc1 expression increased the iron ion content in *** of the iondependent H2O2 scavenging enzyme catalase was increased in plants with suppressed expression of OsMYBxoc1 or overexpression of *** found that iron ions promoted Xoc infection and interfered with the production of reactive oxygen species induced by *** type Ⅲ effector XopAK directly inhibited OsMYBxoc1 transcription,indicating that the pathogen may promote its own proliferation by relieving restriction of iron ion transport in *** addition,iron complemented the pathogenicity defects of the RS105_DXopAK mutant strain,further confirming that iron utilization by Xoc may be dependent upon *** conclusion,our study reveals a novel mechanism by which OsMYBxoc1 modulates rice resistance by regulating iron accumulation and demonstrates that Xoc can accumulate iron ions by secreting the effector XopAK to promote its own infection.

关键词： pathogen effector plant immunity bacterial leaf streak metal ion

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The RING zinc finger protein LbRZF1 promotes salt gland development and salt tolerance in Limonium bicolor

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Journal of Integrative plant Biology 2024年第4期66卷 787-809页

作者： Zongran Yang Ziwei Zhang Ziqi Qiao Xueying Guo Yixuan Wen Yingxue Zhou Chunliang Yao Hai Fan Baoshan Wang Guoliang Han shandong Provincial key laboratory of plant stress College of Life SciencesShandong Normal UniversityJi'nan 250014China National Center of Technology Innovation for Comprehensive Utilization of Saline-Alkali Land Agricultural High-tech Industrial Demonstration Area of the Yellow River Delta of Shandong ProvinceDongying 257000China Dongying Institute Shandong Normal UniversityDongying 257000China

The recretohalophyte Limonium bicolor thrives in high-salinity environments because salt glands on the above-ground parts of the plant help to expel excess ***,we characterize a nucleus-localized C3HC4(RING-HC)-type zinc finger protein of *** named RING ZINC FINGER PROTEIN 1(LbRZF1).LbRZF1 was expressed in salt glands and in response to NaCl ***1 showed no E3 ubiquitin ligase *** phenotypes of overexpression and knockout lines for LbRZF1 indicated that LbRZF1 positively regulated salt gland development and salt tolerance in ***1 mutants had fewer salt glands and secreted less salt than did the wild-type,whereas LbRZF1-overexpressing lines had opposite phenotypes,in keeping with the overall salt tolerance of these plants.A yeast two-hybrid screen revealed that LbRZF1 interacted with LbCATALASE2(LbCAT2)and the transcription factor LbMYB113,leading to their *** of LbCAT2 or LbMYB113 decreased salt gland density and salt *** heterologous expression of LbRZF1 in Arabidopsis thaliana conferred salt tolerance to this *** also identified the transcription factor LbMYB48 as an upstream regulator of LbRZF1 *** study of LbRZF1 in the regulation network of salt gland development also provides a good foundation for transforming crops and improving their salt resistance.

关键词： LbRZF1 Limonium bicolor molecular mechanism salt gland development salt tolerance

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Leafhopper salivary carboxylesterase suppresses JA-Ile synthesis to facilitate initial arbovirus transmission in rice phloem

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plant Communications 2024年第9期5卷 116-135页

作者： Yunhua Chi Hongxiang Zhang Siyu Chen Yu Cheng Xiaofeng Zhang Dongsheng Jia Qian Chen Hongyan Chen Taiyun Wei Vector-borne Virus research Center Fujian Province Key Laboratory of Plant VirologyInstitute of Plant VirologyFujian Agriculture and Forestry UniversityFuzhouFujian 350002China

plant jasmonoyl-L-isoleucine(JA-Ile)is a major defense signal against insect feeding,but whether or how insect salivary effectors suppress JA-Ile synthesis and thus facilitate viral transmission in the plant phloem remains *** carboxylesterases(CarEs)are the third major family of detoxification ***,we identify a new leafhopper CarE,CarE10,that is specifically expressed in salivary glands and is secreted into the rice phloem as a saliva *** CarE10 directly binds to rice jasmonate resistant 1(JAR1)and promotes its degradation by the proteasome ***,the direct association of CarE10 with JAR1 clearly impairs JAR1 enzyme activity for conversion of JA to JA-Ile in an in vitro JAIle synthesis system.A devastating rice reovirus activates and promotes the co-secretion of virions and CarE10 via virus-induced vesicles into the saliva-storing salivary cavities of the leafhopper vector and ultimately into the rice phloem to establish initial ***,a virus-mediated increase in CarE10 secretion or overexpression of CarE10 in transgenic rice plants causes reduced levels of JAR1 and thus suppresses JA-Ile synthesis,promoting host attractiveness to insect vectors and facilitating initial viral *** findings provide insight into how the insect salivary protein CarE10 suppresses host JA-Ile synthesis to promote initial virus transmission in the rice phloem.

关键词： leafhopper salivary protein CarE10 JAR1 degradation JA-Ile synthesis rice phloem initial viral transmission

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Effects of high-dose glucose-insulin-potassium on acute coronary syndrome patients receiving reperfusion therapy:a meta-analysis

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World Journal of Emergency Medicine 2024年第3期15卷 181-189页

作者： Zeyu Yang Huiruo Liu Dazhou Lu Shengchuan Cao Feng Xu Chuanbao Li Department of Emergency Medicine Qilu Hospital of Shandong UniversityJinan 250012China shandong Provincial Clinical research Center for Emergency and Critical Care Medicine Institute of Emergency and Critical Care Medicine of Shandong UniversityChest Pain CenterQilu Hospital of Shandong UniversityJinan 250012China key laboratory of Emergency and Critical Care Medicine of shandong province Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong ProvinceShandong Provincial Engineering Laboratory for Emergency and Critical Care MedicineQilu Hospital of Shandong UniversityJinan 250012China shandong key laboratory:Magnetic Field-free Medicine&Functional Imaging(MF) Qilu Hospital of Shandong UniversityJinan 250012China National Medical Products Administration(NMPA)key laboratory for Clinical research and Evaluation of Innovative Drug Qilu Hospital of Shandong UniversityJinan 250012China

BACKGROUND:This meta-analysis aimed to assess the efficacy of high-dose glucose-insulinpotassium(GIK) therapy on clinical outcomes in acute coronary syndrome(ACS) patients receiving reperfusion ***:We searched the PubMed,Web of Science,MEDLINE,Embase,and Cochrane Library databases from inception to April 26,2022,for randomized controlled trials(RCTs) that compared high-dose GIK and placebos in ACS patients receiving reperfusion *** primary endpoint was major adverse cardiovascular events(MACEs).RESULTS:Eleven RCTs with 884 patients were ultimately *** with placebos,high-dose GIK markedly reduced MACEs(risk ratio [RR] 0.57,95% confidence interval [95% CI]:0.35 to 0.94,P=0.03) and the risk of heart failure(RR 0.48,95% CI:0.25 to 0.95,P=0.04) and improved the left ventricular ejection fraction(LVEF)(mean difference [MD] 2.12,95% CI:0.40 to 3.92,P=0.02) at 6 ***,no difference was observed in all-cause mortality at 30 d or 1 ***,high-dose GIK was significantly associated with increased incidences of phlebitis(RR 4.78,95% CI:1.36 to 16.76,P=0.01),hyperglycemia(RR 9.06,95% CI:1.74 to 47.29,P=0.009) and hypoglycemia(RR 6.50,95% CI:1.28 to 33.01,P=0.02) but not reinfarction,hyperkalemia or secondary *** terms of oxidative stress-lowering function,high-dose GIK markedly reduced superoxide dismutase(SOD) activity but not glutathione peroxidase(GSH-Px) or catalase(CAT) ***:Patients with ACS receiving reperfusion therapy exhibited a reduction in MACEs and good oxidative stress-lowering eflcacy in response to high-dose ***,with a higher incidence of complications such as phlebitis,hyperglycemia,and ***,there were no observed survival benefits associated with high-dose *** trials with long-term follow-up are still needed.

关键词： Acute coronary syndrome High-dose Glucose-insulin-potassium treatment Reperfusion therapy Meta-analysis

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Maize ZmSRO1e promotes mesocotyl elongation and deep sowing tolerance by inhibiting the activity of ZmbZIP61

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Journal of Integrative plant Biology 2024年第8期66卷 1571-1586页

作者： Lumin Qin Fangfang Kong Lin Wei Minghan Cui Jianhang Li Chen Zhu Yue Liu Guangmin Xia Shuwei Liu key laboratory of plant Development and Environmental Adaptation Biology Ministry of EducationSchool of Life ScienceShandong UniversityQingdao 266237China Crop research Institute Anhui Academy of Agricultural SciencesHefeiAnhui Province 230031China

Deep sowing is a traditional method for drought resistance in maize production,and mesocotyl elongation is strongly associated with the ability of maize to germinate from deep ***,little is known about the functional genes and mechanisms regulating maize mesocotyl *** the present study,we identified a plant-specific SIMILAR TO RCD-ONE(SRO) protein family member,ZmSRO1e,involved in maize mesocotyl *** expression of ZmSRO1e is strongly inhibited upon transfer from dark to white *** loss-of-function zmsro1e mutant exhibited a dramatically shorter mesocotyl than the wild-type in both constant light and darkness,while overexpression of ZmSRO1e significantly promoted mesocotyl elongation,indicating that ZmSRO1e positively regulates mesocotyl *** showed that ZmSRO1e physically interacted with Zmb ZIP61,an ortholog of Arabidopsis ELONGATED HYPOCOTYL 5(HY5) and showed a function similar to that of HY5 in regulating *** found that ZmSRO1e repressed the transcriptional activity of Zmb ZIP61 toward target genes involved in the regulation of cell expansion,such as ZmEXPB4 and ZmEXPB6,by interfering with the binding of ZmbZIP61 to the promoters of target *** results provide a new understanding of the mechanism by which SRO regulates photomorphogenesis and highlight its potential application in deep sowing-resistant breeding.

关键词： deep sowing HY5 maize Mesocotyl SRO

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Effect of short neuropeptide F signaling on larval feeding in Mythimna separata

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Insect Science 2024年第2期31卷 417-434页

作者： Mei-Mei Li Qi Yang Li-Hui Chen Yan-Ying Li Jun-Xiang Wu Xiang-Li Xu State key laboratory of Crop stress Biology in Arid Areas College of Plant ProtectionNorthwest A&F UniversityYanglingShaanxi ProvinceChinaand School of Agricultural Sciences Jiangxi Agricultural UniversityNanchangChina

Mythimna separata is a notorious phytophagous pest which poses serious threats to cereal crops owing to the gluttony of the *** short neuropeptide F(sNPF)and its receptor sNPFR are involved in a diversity of physiological functions,especially in functions related to feeding in insects,it is a molecular target for pest ***,an sNPF and 2 sNPFRs were identified and cloned from *** analysis revealed that the sNPF and its receptors had a highly conserved RLRFamide C-terminus and 7 transmembrane domains,*** sNPF and its receptor genes were distributed across larval periods and tissues,but 2 receptors had distinct expression *** starvation-induced assay elucidated that sNPF and sNPFR expression levels were downregulated under food deprivation and recovered with subsequent *** interference knockdown of sNPF,sNPFR1,and sNPFR2 by injection of double-stranded RNA into larvae not only suppressed food consumption and increased body size and weight,but also led to decrease of glycogen and total lipid contents,and increase of trehalose compared with double-stranded green fluorescent protein ***,molecular docking was performed on the interaction mode between sNPFR protein and its ligand sNPF based on the 3-dimensional models constructed by AlphaFold;the results indicated that both receptors were presumably activated by the mature peptide *** results revealed that sNPF signaling played a considerably vital role in the feeding regulation of *** and represents a potential control target for this pest.

关键词： feeding regulation Mythimna separata pest control target RNA interference short neuropeptide F sNPF receptors

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Identification of different degrees of processed ginger using GC-IMS combined with machine learning

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Journal of Pharmaceutical Analysis 2024年第1期14卷 149-151页

作者： Shuang Liu Hongjing Dong Minmin Zhang Wei Geng Xiao Wang key laboratory for Applied Technology of Sophisticated Analytical Instruments of shandong province Shandong Analysis and Test CenterQilu University of Technology(Shandong Academy of Sciences)Jinan250014China key laboratory for Natural Active Pharmaceutical Constituents research in Universities of shandong province School of Pharmaceutical SciencesQilu University of Technology(Shandong Academy of Sciences)Jinan250014China shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University Jinan250014China

Ginger,the rhizomes of Zingiber officinale Roscoe,was a wellknown edible plant species commonly used in China,which has pungent flavor[1].Ginger has numerous chemical compounds,such as phenolic constituents,volatile compounds(VOCs),and polysaccharides[2].Among them,VOCs are considered one of the effective compounds in ginger due to their functional properties,including anti-inflammatory,antioxidant,and analgesic[3].

关键词： phenolic edible rhizome

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