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Untangling the biotic stress in the late Maastrichtian Deccan-benchmark interval of Bidart(France)

Journal of Palaeogeography 2024年第2期13卷 181-198页

作者： Subham Patra Gerta Keller eric font Thierry Adatte Jahnavi Punekar Indian Institute of Technology Bombay PowaiMumbai 400076India Princeton University PrincetonNJ 08544USA Departamento de Ciencias da Terra Faculdade de Ciencias e TecnologiaUniversidade de Coimbra3000-272 CoimbraPortugal Institute of Earth Sciences University of Lausanne1015 LausanneSwitzerland

The late Maastrichtian witnessed substantial surges in Deccan volcanism,prompting the hypothesis that these voluminous pulses may have instigated repeated episodes of ocean acidification during this *** Cretaceous-Palaeogene(K/Pg)boundary at Bidart(France)is preceded by a~0.5 m thick interval with geochemical and taphonomic vestiges of an ocean acidification event linked with Deccan *** planktic foraminifera census and morphometric data now confirm biotic stress conditions related to acidification in the Deccan benchmark *** absolute abundance data of larger(>150μm)heavily calcified planktic morphogroups show fluctuating populations throughout zone CF1(spanning the final~225 ky),lowest peaks within the Deccan benchmark,and a demographic collapse(>90%)at the K/Pg *** analyzed species are generally reduced in size,with thinner test walls in this~0.5 m interval,indicating the likelihood of calcification stress as a contributor to the overall biotic *** the K/Pg boundary,maximum biotic stress is recorded in all the tested faunal proxies.A preliminary graphic correlation of zone CF1 at Bidart with the auxiliary GSSP at Elles(Tunisia)constrains the Deccan benchmark interval of high biotic stress to the final~58ky of the late Maastrichtian,culminating in the K/Pg mass *** volcanogenic Hg peaks coincident with faunal and taphonomic evidence of ocean acidification strengthen the Deccan-related ocean acidification hypothesis.

关键词： Deccan volcanism K/Pg mass extinction Biotic stress Calcification stress

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The apple REFPOP—a reference population for genomics-assisted breeding in apple

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Horticulture Research 2020年第1期7卷 364-379页

作者： Michaela Jung Morgane Roth Maria JoséAranzana Annemarie Auwerkerken Marco Bink Caroline Denancé Christian Dujak Charles-eric Durel Carolina font i Forcada Celia M.Cantin Walter Guerra Nicholas P.Howard Beat Keller Mariusz Lewandowski Matthew Ordidge Marijn Rymenants Nadia Sanin Bruno Studer Edward Zurawicz François Laurens Andrea Patocchi Hélène Muranty Molecular Plant Breeding Institute of Agricultural SciencesETH Zurich8092 ZurichSwitzerland Breeding Research group Agroscope 8820 WädenswilSwitzerland IRTA(Institut de Recerca i Tecnologia Agroalimentàries) 08140 Caldes de MontbuiBarcelonaSpain Centre for Research in Agricultural Genomics(CRAG)CSIC-IRTA-UAB-UB Campus UAB08193 BellaterraBarcelonaSpain Better3fruit N.V. 3202 RillaarBelgium Biometris Wageningen University and Research6708 PB WageningenThe Netherlands Hendrix Genetics Research Technology and Services B.V.PO Box 1145830AC BoxmeerThe Netherlands IRHS Universitéd’AngersINRAEInstitut AgroSFR 4207 QuaSaV49071 BeaucouzéFrance ARAID(Fundación Aragonesa para la Investigación y el Desarrollo) 50018 ZaragozaSpain Research Centre Laimburg 39040 AuerItaly Department of Horticultural Science University of MinnesotaSt.PaulMN 55108USA Institute of Biology and Environmental Sciences University of Oldenburg26129 OldenburgGermany Research Institute of Horticulture 96-100 SkierniewicePoland School of Agriculture Policy and DevelopmentUniversity of ReadingWhiteknights RG66AR ReadingUK Laboratory for Plant Genetics and Crop Improvement KU Leuven B-3001 LeuvenBelgium GAFL INRAE84140 MontfavetFrance

Breeding of apple is a long-term and costly process due to the time and space requirements for screening selection ***-assisted breeding utilizes genomic and phenotypic information to increase the selection efficiency in breeding programs,and measurements of phenotypes in different environments can facilitate the application of the approach under various climatic *** we present an apple reference population:the apple REFPOP,a large collection formed of 534 genotypes planted in six European countries,as a unique tool to accelerate apple *** population consisted of 269 accessions and 265 progeny from 27 parental combinations,representing the diversity in cultivated apple and current European breeding material,respectively.A high-density genome-wide dataset of 303,239 SNPs was produced as a combined output of two SNP arrays of different densities using marker imputation with an imputation accuracy of *** on the genotypic data,linkage disequilibrium was low and population structure was *** well-studied phenological traits of horticultural importance were *** found marker–trait associations in several previously identified genomic regions and maximum predictive abilities of 0.57 and 0.75 for floral emergence and harvest date,*** decreasing SNP density,the detection of significant marker–trait associations varied depending on trait *** of the trait,10,000 SNPs sufficed to maximize genomic prediction *** confirm the suitability of the apple REFPOP design for genomics-assisted breeding,especially for breeding programs using related germplasm,and emphasize the advantages of a coordinated and multinational effort for customizing apple breeding methods in the genomics era.

关键词： breeding planted utilize

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Synthesis and Antibacterial Activities of New 2-(Benzylthio)pyrimidines and 2-(Benzimidazolylmethylthio)pyrimidines Derivatives

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Open Journal of Medicinal Chemistry 2021年第3期11卷 27-39页

作者： Achi Patrick-Armand Coulibali Siomenan Zon Doumade Timotou Adéyolé Bolou eric Touré Daouda Sissouma Drissa Adjou Ané Laboratoire de Constitution et Réaction de la Matière UFR Sciences des Structures de la Matière et Technologie Université Félix Houphou&#235t Boigny de Cocody Abidjan C&#244te d’Ivoire Département de Mathématiques-Physique-Chimie UFR des Sciences Biologiques Université Peleforo Gon Coulibaly Korhogo C&#244te d’Ivoire Centre National de Floristique Université Félix Houphou&#235t-Boigny de Cocody Abidjan C&#244te d’Ivoire Département de Biochimie-Génétique UFR des Sciences Biologiques Université Peleforo Gon Coulibaly Korhogo C&#244te d’Ivoire

A series of 2-(benzylthio)pyrimidines (6a-l) and 2-(benzimidazolylmethylthio)-pyrimidines derivatives (6m and 6n) analogues of ethyl 2-(benzylthio)-6-methyl-4-phenyl-1,4-dihydropyrimidine-5-carboxylates and ethyl 2-(((1H-benzimidazol-2-yl)methyl)thio)-6-methyl-4-phenyl-1,4-dihydropyri-midine-5-carboxylates were prepared and evaluated for antibacterial activity. These compounds were obtained by condensation of 2-thiopyrimidines (4) with benzyl halides or 2-(chloromethyl)-1Hfont-family

关键词： 2-Thiopyrimidine Benzylthiouracil Benzimidazole Antibacterial Activity

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