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Molecular Plant 2024年第3期17卷 460-477页

作者： Fan Xu Long Wang Yingbin Li Junfeng Shi Dorothee Staiger Feng Yu state Key laboratory of Chemo/Biosensing and Chemometrics College of Biologyand Hunan Key Laboratory of Plant Functional Genomics and Developmental RegulationHunanUniversityChangsha 410082P.R.China State Key laboratory of Hybrid Rice Hunan Agricultural Biotechnology Research InstituteHunan Academy of Agricultural SciencesChangsha 410125P.R.China RNA biology and Molecular Physiology Faculty of BiologyBielefeld University33615 BielefeldGermany

Changes in ambient temperature profoundly affect plant growth and ***,the molecu-larbasis of plant acclimation to temperature fluctuation is of great *** this study,we discovered that GLYCINE-RICH RNA-BINDING PROTEIN 7(GRP7)contributes to cold and heat tolerance in Arabidopsis *** found that exposure to a warm temperature rapidly induces GRP7 condensates in planta,which can be reversed by transfer to a lower *** biology and biochemical assays revealed that GRP7 undergoes liquid-liquid phase separation(LLPS)in vivo and in *** of GRP7 in the cyto-plasm contributes to the formation of stress granules that recruit RNA,along with the translation machinery component eukaryotic initiation factor 4E1(elF4E1)and the mRNA chaperones COLD SHOCK PROTEIN 1(CSP1)and CSP3,to inhibit ***,natural variations in GRP7 affecting the residue phos-phorylated by the receptorkinase FERONIA alter its capacity to undergo LLPS and correlate with the adap-tation of some Arabidopsis accessions to a widertemperature *** together,ourfindings illustrate the role of translational control mediated by GRP7 LLPS to confer plants with temperature resilience.

关键词： fluctuating temperature glycine-rich RNA-binding protein phase separation cold shock proteins translation

Rational design of a single-component mRNA vaccine against orthopoxvirus and SARS-CoV-2

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Science China(Life Sciences) 2024年第6期67卷 1311-1313页

作者： Yilong Yang Xiaofan Zhao Yu Li Xiaodong Zai Xinyi Wang Yue Zhang Xiaolin Wang Peng Lv Jun Zhang Lihua Hou Junjie Xu Wei Chen laboratory of Advanced biotechnology Beijing Institute of BiotechnologyAcademy of Military Medical SciencesBeijing 100071China

Dear Editor,In the era of COVID-19,the prevalence of viruses from other families poses new threats to *** the eradication of smallpox in 1980,the global outbreak of monkeypox in 2022(Lum et al.,2022;Nuzzo et al.,2022)alerted that the re-emerging orthopoxvirus(OPXV)remained a persistent threat to global *** includes a number of viruses with a broad host range,including variola virus(VARV),monkeypox virus(MPXV),vaccinia virus(VACV).

关键词： vaccine Rational

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JA-mediated MYC2/LOX/AOS feedback loop regulates osmotic stress response in tea plant

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Horticultural Plant Journal 2024年第3期10卷 931-946页

作者： Junyan Zhu Hongrong Chen Lu Liu Xiaobo Xia Xiaomei Yan Xiaozeng Mi Shengrui Liu Chaoling Wei State Key laboratory of Tea Plant biology and Utilization/Key laboratory of Tea biology and Tea Processing of Ministry of Agriculture/Anhui Provincial laboratory of Tea Plant biology and Utilization Anhui Agricultural UniversityHefeiAnhui 230036China

Osmotic stress caused by low-temperature,drought and salinity was a prevalent abiotic stress in plant that severely inhibited plant development and agricultural yield,particularly in tea *** acid(JA)is an important phytohormone involving in plant ***,underlying molecular mechanisms of JA modulated osmotic stress response remains *** this study,high concentration of mannitol induced JA accumulation and increase of peroxidase activity in tea *** transcriptome mined a JA signaling master,MYC2 transcription factor is shown as a hub regulator that induced by mannitol,expression of which positively correlated with JA biosynthetic genes(LOX and AOS)and peroxidase genes(PER).CsMYC2 was determined as a nuclei-localized transcription activator,furthermore,ProteinDNA interaction analysis indicated that CsMYC2 was positive regulator that activated the transcription of CsLOX7,CsAOS2,CsPER1 and CsPER3via bound with their promoters,*** of CsMYC2 expression resulted in a reduced JA content and peroxidase activity and osmotic stress tolerance of tea *** of CsMYC2 in Arabidopsis improved JA content,peroxidase activity and plants tolerance against mannitol ***,we proposed a positive feedback loop mediated by CsMYC2,CsLOX7 and CsAOS2 which constituted to increase the tolerance of osmotic stress through fine-tuning the accumulation of JA levels and increase of POD activity in tea plant.

关键词： Camellia sinensis Jasmonic acid(JA) MYC2 transcription factor Lipoxygenase(LOX) Osmotic stress Peroxidase(POD) Reactive oxygen species(ROS)

Pyridapeptides F–I,cyclohexapeptides from marine sponge-derived Streptomyces ***-4539

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Chinese Chemical Letters 2024年第7期35卷 341-344页

作者： Shuige Zhao Pengcheng Yan Peipei Liu Haishan Liu Ning Li Peng Fu Weiming Zhu Key laboratory of marine Drugs Ministry of Education of ChinaSchool of Medicine and PharmacyOcean University of ChinaQingdao 266003China Key laboratory for marine Drugs and Bioproducts Laoshan LaboratoryQingdao 266237China School of Biological Science and Technology University of JinanJi'nan 250022China Key laboratory for Biosensors of Shandong Province Biology InstituteQilu University of TechnologyJi'nan 250103China

Four new cyclohexapeptides,pyridapeptides F–I(1–4),were isolated from the fermentation broth of marine sponge-derived Streptomyces *** pyridapeptides F–H(1–3)are composed ofβ-hydroxyleucine,alanine,O-methylthreonine,hexahydropyridazine-3-carboxylic acid,5-hydroxytetrahydropyridazine-3-carboxylic acid,and(2S,3R,4E,6E)-2-amino-3–hydroxy-4,6-dienoic acid *** I(4)contains(2S,3R,4E,6E)-2-amino-3–hydroxy-8-methylnona-4,6-dienoic acid residue and a very rare glycose residue,*** structures were determined based on spectroscopic analysis and chemical *** G–I(2–4)have the 2,3,6-trideoxyhexose units glycosylated at theγ-OH-TPDA residue,displayed significant antiproliferative activity against four(PC9,MKN45,Hep G2,K562)or two(PC9,MKN45)human cancer cell lines.

关键词： marine microorganism Streptomyces Cyclopeptide glycosides Pyridapeptides Antiproliferative activity

LncRNA pol-lnc78 as a ceRNA regulates antibacterial responses via suppression of pol-miR-n199-3p-mediated SARM down-regulation in Paralichthys olivaceus

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Zoological Research 2024年第1期45卷 25-35页

作者： Xian-Hui Ning Bing Han Ye Peng Shao-Wu Yin College of marine Science and Engineering Nanjing Normal UniversityNanjingJiangsu 210023China CAS Key laboratory of Experimental marine biology Center for Ocean Mega-ScienceInstitute of OceanologyChinese Academy of SciencesQingdaoShandong 266071China Co-Innovation Center for marine Bio-Industry Technology of Jiangsu Province LianyungangJiangsu 222005China

Long non-coding RNAs(lncRNAs)function as key modulators in mammalian immunity,particularly due to their involvement in lncRNA-mediated competitive endogenous RNA(ceRNA)*** their recognized significance in mammals,research on lncRNAs in lower vertebrates remains *** the present study,we characterized the first immune-related lncRNA(pol-lnc78)in the teleost Japanese flounder(Paralichthys olivaceus).Results indicated that pol-lnc78 acted as a ceRNA for pol-miR-n199-3p to target the sterile alpha and armadillo motif-containing protein(SARM),the fifth discovered member of the Toll/interleukin 1(IL-1)receptor(TIR)adaptor *** ceRNA network regulated the antibacterial responses of flounder via the Toll-like receptor(TLR)signaling ***,SARM acted as a negative regulator and exacerbated bacterial infection by inhibiting the expression of inflammatory cytokines IL-1βand tumor necrosis factor-α(TNF-α).Pol-miR-n199-3p reduced SARM expression by specifically interacting with the 3’untranslated region(UTR),thereby promoting SARM-dependent inflammatory cytokine expression and protecting the host against bacterial ***,pol-lnc78 sponged pol-miR-n199-3p to ameliorate the inhibition of SARM *** infection,the negative regulators pol-lnc78 and SARM were significantly down-regulated,while pol-miR-n199-3p was significantly up-regulated,thus favoring host antibacterial *** findings provide novel insights into the mechanisms underlying fish immunity and open new horizons to better understand ceRNA crosstalk in lower vertebrates.

关键词： LncRNA SARM miRNA ceRNA Antibacterial response

A growth-regulating factor 7(GRF7)-mediated gene regulatory network promotes leaf growth and expansion in sugarcane

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The Crop Journal 2024年第2期12卷 422-431页

作者： Qiaoyu Wang Yihan Li Dadong Lin Xiaoxi Feng Yongjun Wang Tianyou Wang Hongyan Ding Jisen Zhang State Key Lab for Conservation and Utilization of Subtropical AgroBiological Resources and Guangxi Key Lab for Saccharum biology Guangxi UniversityNanning 530005GuangxiChina Center for Genomics and biotechnology/Fujian Provincial Key laboratory of Haixia Applied Plant Systems biology/Key laboratory of Saccharum biology and Genetic Breeding/National Engineering Research Center for Saccharum Fujian Agriculture and Forestry UniversityFuzhou 350002FujianChina

Knowledge of the function of growth-regulating factors(GRFs)in sugarcane(Saccharum officinarum and ***)growth and development could assist breeders in selecting desirable plant ***,limited information about GRFs is available in Saccharum due to their *** this study,22 GRFs were identified in the two species and their conserved domains,gene structures,chromosome location,and synteny were ***7 expression varied among tissues and responded to diurnal ***7-YFP was localized preferentially in the nucleus and appears to act as a transcriptional ***7 positively regulated the size and length of rice leaves,possibly by regulating cell size and plant *** seven potential transcription factors binding to the SsGRF7 promoter in ***,four showed positive expression patterns,and two showed negative expression patterns relative to SsGRF7.

关键词： Expression analysis Growth-regulating factor Leaf development Sugarcane Transcription factors

An orchestrated ethylene-gibberellin signaling cascade contributes to mesocotyl elongation and emergence of rice direct seeding

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Journal of Integrative Plant biology 2024年第7期66卷 1427-1439页

作者： Yusong Lyu Xinli Dong Shipeng Niu Ruijie Cao Gaoneng Shao Zhonghua Sheng Guiai Jiao Lihong Xie Shikai Hu Shaoqing Tang Xiangjin Wei Peisong Hu State Key laboratory of Rice biology and Breeding China National Center for Rice ImprovementChina National Rice Research InstituteHangzhou 310006China College of Agriculture and biotechnology Zhejiang UniversityHangzhou 310058China

A mechanized direct seeding of rice with less labor and water usage,has been widely ***,this approach requires varieties that exhibit uniform seedling *** elongation(ME)offers the main drive of fast emergence of rice seedlings from soils;nevertheless,its genetic basis remains ***,we identify a major rice quantitative trait locus Mesocotyl Elongation1(qME1),an allele of the Green Revolution gene Semi-Dwarf1(SD1),encoding GA20-oxidase for gibberellin(GA)***1 expression is strongly induced by soil depth and *** rice grains are direct-seeded in soils,the ethylene core signaling factor OsEIL1 directly promotes ME1 transcription,accelerating bioactive GA *** GAs further degrade the DELLA protein SLENDER RICE 1(SLR1),alleviating its inhibition of rice PHYTOCHROME-INTERACTING FACTOR-LIKE13(OsPIL13)to activate the downstream expansion gene OsEXPA4 and ultimately promote rice seedling ME and *** ancient traits of long mesocotyl and strong emergence ability in wild rice and landrace were gradually lost in company with the Green Revolution dwarf breeding process,and an elite ME1-R allele(D349H)is found in some modern Geng varieties(long mesocotyl lengths)in northern China,which can be used in the direct seeding and dwarf breeding of Geng ***,the ectopic and high expression of ME1 driven by mesocotyl-specific promoters resulted in rice plants that could be direct-seeded without obvious plant architecture or yield ***,we reveal the molecular mechanism of rice ME,and provide useful information for breeding new Green Revolution varieties with long mesocotyl suitable for direct-seeding practice.

关键词： rice(Oryza sativa L.) direct seeding Green Revolu-tion mesocotyl elongation ethylene gibberellin semi-dwarf1(SD1)

OsbZIP01 Affects Plant Growth and Development by Regulating OsSD1 in Rice

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Rice science 2024年第1期31卷 77-86,I0018,I0019页

作者： DONG Xinli ZHOU Yang ZHANG Yaqi RONG Fuxi DU Jiahong HONG Zheyuan HU Peisong LÜYusong College of Agriculture and biotechnology Zhejiang UniversityHangzhou 310058China State Key laboratory of Rice biology and Breeding/China National Center for Rice Improvement China National Rice Research InstituteHangzhou 310006China

As the‘Green Revolution’gene,SD1(encoding GA20ox2),has been widely applied to improve yield in rice ***,research on its transcriptional regulation is ***,we identified a transcription factor OsbZIP01,which can suppress the expression of SD1 and regulate gibberellin(GA)biosynthesis in *** mutants of OsbZIP01 exhibited increased plant height,while the overexpression lines showed a semi-dwarf phenotype and diminished germination ***,the semi-dwarf phenotype of OE-bZIP01,was caused by the reduced internode length,which was accompanied by a thin stem *** predominant expression of OsbZIP01 was observed in leaves and ***01 protein was localized in the nucleus and showed transcriptional repression *** addition,OsbZIP01 could directly bind to the promoter of the OsSD1 gene,and inhibit its *** semi-dwarf phenotype of OE-bZIP01 could be rescued by exogenous GA_(3).Meanwhile,the bzip01 sd1 double mutant showed a shorter shoot length compared with the wild type,indicating that OsbZIP01 regulated plant growth mainly through the GA biosynthesis ***,OsbZIP01 negatively regulates GA biosynthesis by restraining SD1 transcription,thereby affecting plant growth and development.

关键词： OsbZIP01 SD1 gibberellin biosynthesis dwarf and germination

Spatiotemporal dynamics of the social structure of Indo-Pacific humpback dolphins(Sousa chinensis)in Xiamen waters from 2007 to 2019

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Zoological Research 2024年第2期45卷 439-450页

作者： Yi Lu Xin-Rong Xu Bing-Yao Chen Thomas A Jefferson Holly Fearnbach Guang Yang Jiangsu Key laboratory for Biodiversity and biotechnology College of Life SciencesNanjing Normal UniversityNanjingJiangsu 210023China Clymene Enterprises LakesideCalifornia 92040USA marine Mammal Research SR3SeaLife ResponseRehabilitation and ResearchWA 98275USA Southern marine Science and Engineering Guangdong laboratory(Guangzhou) No.1119Haibin RoadNansha DistrictGuangzhouGuangdong 511458China

As highly social animals,Indo-Pacific humpback dolphins(Sousa chinensis)exhibit community ***,our understanding of the external and internal factors influencing these dynamics,as well as their spatiotemporal variations,is still *** the present study,variations in the social structure of an endangered Indo-Pacific humpback dolphin population in Xiamen Bay,China,were monitored over two distinct periods(2007–2010 and 2017–2019)to analyze the effects of habitat utilization and the composition of individuals within the *** both periods,the population demonstrated a strikingly similar pattern of social differentiation,characterized by the division of individuals into two main clusters and one small ***,the two primary clusters occupied the eastern and western waters,respectively,although the core distribution area of the eastern cluster shifted further eastward between the two *** this distribution shift,the temporal stability of the social structure and inter-associations within the eastern cluster remained unaffected.A subset of 16individuals observed in both periods,comprising 51.6%and 43.2%of the population in each respective period,emerged as a foundational element of the social structure and may be responsible for sustaining social structure stability,especially during the 2007–2010 *** observations suggest that the composition of dominant individuals,an internal factor,had a more substantial influence on the formation of the social network than changes in habitat use,an external ***,the study proposes distinct conservation measures tailored to each of the two main clusters.

关键词： Social differentiation Social structure Sousa chinensis Dynamics Conservation

Chloroplast immunity: A cornerstone of plant defense

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Molecular Plant 2024年第5期17卷 686-688页

作者： Jie Liu Pan Gong Ruobin Lu Rosa Lozano-Duran Xueping Zhou Fangfang Li State Key laboratory for biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100081China State Key laboratory of Rice biology Institute of BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China Department of Plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls UniversityTubingen 72076Germany

Increasing evidence supports the notion that pattern-recognition-receptor-mediated immunity goes beyond plasma membrane-to-nucleus *** the findings of the pathways linking plasma membrane and chloroplasts and the functions of stromules and perinuclear chloroplast clustering(PCC)in plant defense,chloroplast immunity has emerged as a cornerstone of plant defense and a target of plant pathogens.

关键词： plant immunity corners