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An atypical NLR gene confers bacterial wilt susceptibility in Arabidopsis

Plant Communications 2023年第5期4卷 277-294页

作者： Choghag Demirjian Narjes Razavi Gang Yu Baptiste Mayjonade Lu Zhang Fabien Lonjon Fabien Chardon Se bastien Carrere Je rome Gouzy ste phane Genin Alberto PMacho Fabrice Roux Richard Berthome Fabienne Vailleau LIPME Universite de ToulouseINRAECNRSCastanet-TolosanFrance Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghaiChina Universite Paris-Saclay INRAEAgroParisTechInstitut Jean-Pierre Bourgin(IJPB)78000 VersaillesFrance Present address:Department of Cell&Systems Biology University of TorontoTorontoONCanada Present address:Department of Biology NYU12 Waverly PlaceNew YorkNY 10003USA

Quantitative disease resistance(QDR)remains the most prevalent form of plant resistance in crop fields and wild ***-wide association studies(GWAS)have proved to be successful in deciphering the quantitative genetic basis of complex traits such as *** unravel the genetics of QDR to the devastating worldwide bacterial pathogen Ralstonia solanacearum,we performed a GWAS by challenging a highly polymorphic local mapping population of Arabidopsis thaliana with four *** type III effector(T3E)mutants,identified as key pathogenicity determinants after a first screen on an *** core collection of 25 *** most quantitative trait loci(QTLs)were highly specific to the identity of the T3E mutant(ripAC,ripAG,ripAQ,and ripU),we finely mapped a common QTL located on a cluster of nucleotide-binding domain and leucine-rich repeat(NLR)genes that exhibited structural *** functionally validated one of these NLRs as a susceptibility factor in response to ***,named it Bacterial Wilt Susceptibility 1(BWS1),and cloned two alleles that conferred contrasting levels of *** characterization indicated that expression of BWS1 leads to suppression of immunity triggered by different *** *** addition,we showed a direct interaction between BWS1 and RipAC T3E,and BWS1 and SUPPRESSOR OF G2 ALLELE OF skp1(SGT1b),the latter interaction being suppressed by ***,our results highlight a putative role for BWS1 as a quantitative susceptibility factor directly targeted by the T3E RipAC,mediating negative regulation of the SGT1-dependent immune response.

关键词： Ralstonia solanacearum typeⅢeffectors Arabidopsis thaliana GWAS R gene susceptibility

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Towards a downstream passage solution for out-migrating American eel (Anguilla rostrata) on the St. lawrence River

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Aquaculture and Fisheries 2021年第2期6卷 151-168页

作者： Thomas C.Pratt David R.Stanley Scott Schlueter Jake K.L.la Rose Andrew Weinstock Paul T.Jacobson Fisheries and Oceans Canada Great Lakes Laboratory for Fisheries and Aquatic Sciences1219 Queen Street EastSault Ste.MarieOntarioP6A 2E5Canada Ontario Power Generation Inc. Environment Division14000 Niagara ParkwayNiagara on the LakeOntarioL0S 1J0Canada United States Fish and Wildlife Service New York Field Office3817 Luker RoadCortlandNY13045USA Ontario Ministry of Natural Resources and Forestry Lake Ontario Management Unit41 Hatchery LanePictonOntarioK0K 2T0Canada New York Power Authority Environment Division123 Main StWhite PlainsNY10601USA Electric Power Research Institute 3420 Hillview AvenuePalo AltoCA94304USA

There is a need to develop safe and effective downstream passage for diadromous anguillid eels on large rivers,where the combination of physical screening and bypass structures that is used to protect eel on smaller rivers is *** Eel Passage Research Center was established in 2013 to address the challenge of providing safe passage for out-migrating silver-stage American eel(Anguilla rostrata)on the *** River,the outflow of the laurentian Great lakes,which is spanned by two large,mainstem hydroelectric generating *** Center’s goal is to develop the technology to behaviorally guide eel to a collection point for capture and transfer around the two generating *** achieve this goal,three parallel initiatives were undertaken;1)research into behavioral guidance techniques suitable for guiding out-migrating eel on large,high flow rivers,2)the evaluation of sonar technologies for detection of eel,necessary for assessing in situ guidance,and 3)the commissioning of literature reviews for the most promising guidance technologies.A number of behavioral guidance stimuli,including electricity,flow,sound and electromagnetic fields were examined in laboratory and flume settings for their utility in guiding out-migrating silver-stage *** the techniques examined,only sound showed any promise for *** sonar technologies(Simrad 120 kHz EK60 echosounder,Sound Metrics ARIS Explorer 1800 sonar,and the Kongsberg Mesotech 500 kHz M3 multi-mode multibeam sonar)were evaluated to determine if existing acoustic technologies could be used to estimate the relative abundance and distribution of out-migrating silver-phase American eel in the *** *** the ARIS unit could successfully identify eel targets,and only over a short(lated over a portion of a single outmigration season contributed to the successful development of machine learning tools to automate the identification of American e

关键词： American eel Downstream passage Behavioral guidance Light diversion

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Esperanto-disko sonas tutmonde

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世界 1997年第Z2期 24-24页

作者： E-fako de la ina Radio Internacia

ina Radio Internacia!Nun estas la programeroEsperanto en *** aǔskultantoj,hodiaǔ mikonigu al vi artikolon titolitan:Esperanto-disko *** artikolo,verkita de s-ano Marcos Cruz deHispana Esperanto-Federacio,aperis en l... 详细信息

关键词： Radio Esperanto-disko sonas tutmonde Ni

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