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Theplant cytosolic m^(6)A RNA methylome stabilizes photosynthesis in the cold

Plant Communications 2023年第6期4卷 70-84页

作者： Alexandre Magno Vicente Nikolay Manavski paul torben rohn Lisa-Marie Schmid Antoni Garcia-Molina Dario Leister Charlotte Seydel Leo Bellin Torsten Möhlmann Gregor Ammann Stefanie Kaiser Jörg Meurer Plant Molecular Biology Faculty of BiologyLudwig-Maximilians-University MunichGroßhaderner Street 2-482152 Planegg-MartinsriedGermany Plant Development Faculty of BiologyLudwig-Maximilians-University MunichGroßhaderner Street 2-482152 Planegg-MartinsriedGermany Plant Physiology Faculty of BiologyUniversity of KaiserslauternErwin-Schröodinger-Street767663 KaiserslauternGermany Pharmaceutical Chemistry Goethe University FrankfurtMax-von-Laue-Str.960438 Frankfurt am MainGermany Present address:Loewe Biochemica GmbH Möuhlweg 2a82054 SauerlachGermany Present address:Center for Research in Agricultural Genomics 08193

The sessile lifestyle of plants requires an immediate response to environmental stressors that affect photosynthesis,growth,and crop ***,we showed that three abiotic perturbations—heat,cold,and high light—triggered considerable changes in the expression signatures of 42 epitranscriptomic factors(writers,erasers,and readers)with putative chloroplast-associated functions that formed clusters of commonly expressed genes in *** expression changes under all conditions were reversible upon deacclimation,identifying epitranscriptomic players as modulators in acclimation *** dysfunctions,particularly those induced by the oxidative stress-inducing norflurazon in a largely GENOME UNCOUPLED-independent manner,triggered retrograde signals to remodel chloroplastassociated epitranscriptomic expression patterns.N6-methyladenosine(m^(6)A)is known as the most prevalent RNA modification and impacts numerous developmental and physiological functions in living *** cold treatment,expression of components of the primary nuclear m^(6)A methyltransferase complex was upregulated,accompanied by a significant increase in cellular m^(6)A mRNA *** the cold,the presence of FIP37,a core component of the writer complex,played an important role in positive regulation of thylakoid structure,photosynthetic functions,and accumulation of photosystemⅠ,the Cytb6f complex,cyclic electron transport proteins,and Curvature Thylakoid1 but not that of photosystemⅡcomponents and the chloroplast ATP *** of FIP37 affected abundance,polysomal loading,and translation of cytosolic transcripts related to photosynthesis in the cold,suggesting m^(6)Adependent translational regulation of chloroplast *** summary,we identified multifaceted roles of the cellular m^(6)A RNA methylome in coping with cold;these were predominantly associated with chloroplasts and served to stabilize photosynthesis.

关键词： m^(6)A RNA methylation cold acclimation stress response Arabidopsis thaliana photosynthesis chloroplast

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一种满足欧盟铁路防火标准EN45545的高流动性共聚PC材料

一种满足欧盟铁路防火标准EN45545的高流动性共聚PC材料

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轨道客车安全防火及阻燃技术学术研讨会

作者： Mark van der Mee torben Kempers paul Sybert SABIC Plasticslann 14612PXBergen op Zoomthe Netherlands SABIC 1 Lexan LaneMount VernonINUnite States.

一种新型的共聚聚碳酸酯树脂已经被研发出来,它能够满足新的欧盟铁路防火标准EN45545并达到危险等级（HL3）,这个欧盟防火标准包括热释放,烟密度,烟毒性的测试。这种新材料具有高流动性同时保持优秀的抗冲击特性,因此它是一种理想的对EN... 详细信息

一种新型的共聚聚碳酸酯树脂已经被研发出来,它能够满足新的欧盟铁路防火标准EN45545并达到危险等级（HL3）,这个欧盟防火标准包括热释放,烟密度,烟毒性的测试。这种新材料具有高流动性同时保持优秀的抗冲击特性,因此它是一种理想的对EN45545法规有要求的车辆座椅背板的候选材料。最重要的是这是一种完全不含卤素的阻燃技术。

关键词： SABICTM EN45545 LexanTMFST3403 高流动性物理性能

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Interaction of Diet/Lifestyle Intervention and TCF7L2 Genotype on Glycemic Control and Adiposity among Overweight or Obese Adults:Big Data from Seven Randomized Controlled Trials Worldwide

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Health Data Science 2021年第1期2021卷 174-183页

作者： Tao Huang Zhenhuang Zhuang Yoriko Heianza Dianjianyi Sun Wenjie Ma Wenxiu Wang Meng Gao Zhe Fang Emilio Ros Liana C.Del Gobbo Jordi Salas-Salvadó Miguel A.Martínez-González Jan Polak Markku Laakso Arne Astrup Dominique Langin Jorg Hager Gabby Hul torben Hansen Oluf Pedersen Jean-Michel Oppert Wim H.M.Saris Peter Arner Montserrat Cofán Sujatha Rajaram Jaakko Tuomilehto Jaana Lindström Vanessa D.de Mello Alena Stancacova Matti Uusitupa Mathilde Svendstrup Thorkild I.A.Sørensen Christopher D.Gardner Joan Sabaté Dolores Corella J.Alfredo Martinez Lu Qi Department of Epidemiology&Biostatistics School of Public HealthPeking UniversityChina Department of Global Health School of Public HealthPeking UniversityChina Key Laboratory of Molecular Cardiovascular Sciences Ministry of Education China Global Health Institute Peking University China Department of Epidemiology School of Public Health and Tropical MedicineTulane UniversityNew OrleansLAUSA Department of Nutrition Harvard T.H.Chan School of Public HealthBostonMAUSA Department of Endocrinology&Nutrition Institut d’Investigacions Biomèdiques August Pi SunyerHospital ClínicBarcelonaSpain CIBER Fisiopatologia de la Obesidad y Nutrición(CIBERobn) Instituto de Salud Carlos III(ISCIII)MadridSpain Stanford Prevention Research Center Stanford UniversityStanford CAUSA Human Nutrition Unit Faculty of Medicine and Health SciencesPere Virgili Health Research InstituteRovira i Virgili UniversityReusSpain University of Navarra Department of Preventive Medicine and Public HealthMedical School&IDISNAPamplonaSpain Department for the Study of Obesity and Diabetes Third Faculty of MedicineCharles UniversityPragueCzech Republic Department of Medicine University of Eastern FinlandKuopioFinland University of Copenhagen Department of NutritionExercise and SportsFaculty of ScienceCopenhagenDenmark Institut National de la Santéet de la Recherche Médicale(Inserm) UMR1048Institute of Metabolic and Cardiovascular DiseasesUniversity of Toulouse and Paul Sabatier UniversityToulouseFrance NestléInstitute of Health Sciences LausanneSwitzerland Department of Human Biology NUTRIM School of Nutrition and Translational Research in MetabolismMaastricht University Medical Centre+MaastrichtNetherlands Section of Metabolic Genetics Novo Nordisk Foundation Center for Basic Metabolic ResearchFaculty of Health and Medical SciencesUniversity of CopenhagenCopenhagenDenmark Sorbonne Université Institute of Cardiometabolism and Nutrition(ICAN)Department of NutritionPitié-Salpêtrière HospitalAssistance Publique-

*** strongest locus which associated with type 2 diabetes(T2D)by the common variant rs7903146 is the transcription factor 7-like 2 gene(TCF7L2).We aimed to quantify the interaction of diet/lifestyle interventions and the genetic effect of TCF7L2 rs7903146 on glycemic traits,body weight,or waist circumference in overweight or obese adults in several randomized controlled trials(RCTs).*** October 2016 to May 2018,a large collaborative analysis was performed by pooling individualparticipant data from 7 *** RCTs reported changes in glycemic control and adiposity of the variant rs7903146 after dietary/lifestyle-related interventions in overweight or obese *** treatment interaction models which used the genetic effect encoded by the allele dose and common covariates were applicable to individual participant data in all *** the joint analysis,a total of 7 eligible RCTs were included(n=4,114).Importantly,we observed a significant effect modification of diet/lifestyle-related interventions on the TCF7L2 variant rs7903146 and changes in fasting *** with the control group,diet/lifestyle interventions were related to lower fasting glucose by-3.06(95%CI,-5.77 to-0.36)mg/dL(test for heterogeneity and overall effect:I^(2)=45:1%,p<0:05;z=2:20,p=0:028)per one copy of the TCF7L2 T risk ***,regardless of genetic risk,diet/lifestyle interventions were associated with lower waist ***,there was no significant change for diet/lifestyle interventions in other glycemic control and adiposity traits per one copy of TCF7L2 risk *** findings suggest that carrying the TCF7L2 T risk allele may have a modestly greater benefit for specific diet/lifestyle interventions to improve the control of fasting glucose in overweight or obese adults.

关键词： TCF7L2 weight finding

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