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An integrated approach for increasing breeding efficiency in apple and peach in Europe

Horticulture Research 2018年第1期5卷 825-838页

作者： Francois Laurens Maria JoséAranzana Pere Arus Daniele Bassi Marco Bink Joan Bonany andrea Caprera Luca Corelli-Grappadelli Evelyne Costes Charles-Eric Durel Jehan-Baptiste Mauroux Hélène Muranty Nelson Nazzicari Thierry Pascal andrea Patocchi andreas Peil Bénédicte Quilot-Turion Laura Rossini Alessandra Stella Michela Troggio Riccardo Velasco Eric van de Weg IRHS INRAAgrocampus-OuestUniversitéd’AngersSFR 4207 QuaSaVUniversitéBretagne Loire42 rue Georges MorelBeaucouzé49071France IRTA(Institut de Recerca i Tecnologia Agroalimentàries) BarcelonaSpain Centre for Research in Agricultural Genomics(CRAG)CSIC-IRTA-UAB-UB Campus UABBellaterraBarcelonaSpain Universitàdegli Studi di Milano-DiSAA Via Celoria 2Milan20133Italy Biometris Wageningen University and ResearchDroevendaalsesteeg 1Wageningen6708PBThe Netherlands IRTA-Mas Badia Mas BadiaLa Tallada17134Spain Parco Tecnologico Padano Via EinsteinLoc.Cascina CodazzaLodi26900Italy Dipartimento di Scienze Agrarie Alma Mater Studiorum-Universitàdi BolognaBolognaItaly UMR AGAP INRAMontpellier34398France GAFL INRAMontfavet84143France Agroscope Research Division Plant BreedingSchloss 1Wädenswil8820Switzerland Julius Kühn-Institute(JKI) Federal Research Centre for Cultivated Plants Institute for Breeding Research on Fruit CropsPillnitzer Platz 3aDresden01326Germany Research and Innovation Center Fondazione Edmund MachSan Michele all’AdigeTrentoItaly CREA-VE Center of Viticulture and Enologyvia XXVIII Aprile 26Conegliano(TV)31015Italy Plant Breeding Wageningen University and ResearchDroevendaalsesteeg 1P.O.Box 386Wageningen6700AJThe Netherlands Hendrix Genetics Research Technology&ServicesBoxmeer5830 ACThe Netherlands

Despite the availability of whole genome sequences of apple and peach,there has been a considerable gap between genomics and *** bridge the gap,the European Union funded the FruitBreedomics project(March 2011 to August 2015)involving 28 research institutes and private *** complementary approaches were pursued:(i)tool and software development,(ii)deciphering genetic control of main horticultural traits taking into account allelic diversity and(iii)developing plant materials,tools and methodologies for *** breakthroughs were made including the making available of ready-to-go DNA diagnostic tests for Marker Assisted Breeding,development of new,dense SNP arrays in apple and peach,new phenotypic methods for some complex traits,software for gene/QTL discovery on breeding germplasm via Pedigree Based Analysis(PBA).This resulted in the discovery of highly predictive molecular markers for traits of horticultural interest via PBA and via Genome Wide Association Studies(GWAS)on several European genebank *** also developed pre-breeding plant materials in which multiple sources of resistance were pyramided and software that can support breeders in their selection *** FruitBreedomics,significant progresses were made in the field of apple and peach breeding,genetics,genomics and bioinformatics of which advantage will be made by breeders,germplasm curators and scientists.A major part of the data collected during the project has been stored in the FruitBreedomics database and has been made available to the *** review covers the scientific discoveries made in this major endeavour,and perspective in the apple and peach breeding and genomics in Europe and beyond.

关键词： breeding germplasm breed

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ISWI ATP-dependent remodeling of nucleoplasmic u-speckles in the brain of Drosophila melanogaster

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Journal of Genetics and Genomics 2017年第2期44卷 85-94页

作者： Luca Lo Piccolo andrea Attardi Rosa Bonaccorso Lorenzo Li Greci Giorgio Giurato Antonia Maria Rita Ingrassia Maria Cristina Onorati STEBICEF Department University of Palermo Kyoto Institute of Technology Neuroimmunology Unit of San Raffaele Hospital Turku Center for Biotechnology University of Turku Genomix4Life Srl University of Salerno Baronissi Campus

Heterogeneous nuclear ribonucleoproteins（hn RNPs） belong to the RNA-binding proteins family. They are involved in processing heterogeneous nuclear RNAs（hn RNAs） into mature m RNAs. These proteins participate in every step of m RNA cycle, such as m RNA export, localization, translation, stability and alternative splicing. At least 14 major hn RNPs, which have structural and functional homologues in mammals, are expressed in Drosophila melanogaster. Until now, six of these hn RNPs are known to be nucleus-localized and associated with the long non-coding RNA（lnc RNA） heat shock responsive u（hsru）in the omega speckle compartments（u-speckles）. The chromatin remodeler ISWI is the catalytic subunit of several ATP-dependent chromatin-remodeling complexes, and it is an essential factor for organization of u-speckles. Indeed, in ISWI null mutant, severe defects in u-speckles structure are detectable. Here, we clarify the role of ISWI in the hn RNPs-hsru interaction. Moreover, we describe how ISWI by its remodeling activity, controls hsru and hn RNPs engagement in u-speckles. Finally, we demonstrate that the sequestration of hn RNPs in u-speckles nuclear compartment is a fundamental event in gene expression control and represents a key step in the regulation of several pathways.

关键词： Omega speckles hnRNPs lncRNA Nuclear body Chromatin remodelers

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