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Narrow versus broad:sexual dimorphism in the wing form of western European species of the subgenus Avaritia(Culicoides,Ceratopogonidae)

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Integrative Zoology 2021年第5期16卷 769-784页

作者： Francesc MUÑOZ-MUÑOZ Nonito PAGÈS Ana.F.DURAO Marion ENGLAND Doreen WERNER sandra talavera Departament de Biologia Animal de Biologia Vegetal i d’EcologiaFacultat de BiociènciesUniversitat Autònoma de BarcelonaBarcelonaSpain Centre de Recerca en Sanitat Animal(CReSA) UAB-IRTACampus de la Universitat Autònoma de BarcelonaBarcelonaSpain CIRAD UMR ASTREGuadeloupeFrance ASTRE CIRADINRAeUniversitéde MontpellierMontpellierFrance The Pirbright Institute SurreyUK Leibniz-Centre for Agricultural Landscape Research MünchebergGermany

While wing form is known to differ between males and females of the genus Culicoides,detailed studies of sexual dimorphism are *** this study,we analyze sex-specific differences in the wing form of 5 species of the subgenus Avaritia,using geometric morphometrics and comparative phylogenetic *** results confirm the existence of marked sexual dimorphism in the wing form of the studied species and reveal for the first time that while there is a shared general pattern of sexual shape dimorphism within the subgenus,sexual size dimorphism,and particular features of sexual shape dimorphism differ among *** shape dimorphism was found to be poorly associated to size and the evolutionary history of the *** tight association of sexual shape dimorphism with aspect ratio suggests that the shape of the wing is optimized for the type of flight of each sex,that is,dispersal flight in females versus aerobatic flight in ***,the fact that interspecific shape differences are greater and more strongly associated to aspect ratio in males than in females might be indicating that in males the selective pressures affecting flight performance characteristics are more heterogeneous and/or stronger than in females among the studied species.

关键词： aspect ratio geometric morphometrics phylogenetic signal shape size

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The human olfactory system in two proteinopathies: Alzheimer’s and Parkinson’s diseases

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Translational Neurodegeneration 2020年第2期9卷 270-289页

作者： Isabel Ubeda-Bañon Daniel Saiz-Sanchez Alicia Flores-Cuadrado Ernesto Rioja-Corroto Melania Gonzalez-Rodriguez sandra Villar-Conde Veronica Astillero-Lopez Juan Pablo Cabello-de la Rosa Maria Jose Gallardo-Alcañiz Julia Vaamonde-Gamo Fernanda Relea-Calatayud Lucia Gonzalez-Lopez Alicia Mohedano-Moriano Alberto Rabano Alino Martinez-Marcos Neuroplasticity and Neurodegeneration Laboratory Ciudad Real Medical SchoolCRIBUniversity of Castilla-La Mancha13005Ciudad RealSpain Neurology Service Ciudad Real General University Hospital13005Ciudad RealSpain Pathology Service Ciudad Real General University Hospital13005Ciudad RealSpain Faculty of Health Sciences University of Castilla-La ManchaTalavera de la ReinaSpain Neuropathology Department and Tissue Bank CIEN FoundationCarlos III Health InstituteMadridSpain

Alzheimer’s and Parkinson’s diseases are the most prevalent neurodegenerative *** etiologies are idiopathic,and treatments are symptomatic and orientated towards cognitive or motor ***,both are proteinopathies with pathological aggregates(plaques of amyloid-β peptide and neurofibrillary tangles of tau protein in Alzheimer’s disease,and Lewy bodies mostly composed of α-synuclein in Parkinson’s disease).These deposits appear in the nervous system in a predictable and accumulative sequence with six neuropathological *** disorders present a long prodromal period,characterized by preclinical signs including ***,the olfactory system,particularly the anterior olfactory nucleus,is initially and preferentially affected by the *** atrophy revealed by magnetic resonance imaging must be complemented by histological analyses to ascertain whether neuronal and/or glial loss or neuropil remodeling are responsible for volumetric *** has been proposed that these proteinopathies could act in a prion-like manner in which a misfolded protein would be able to force native proteins into pathogenic folding(seeding),which then propagates through neurons and glia(spreading).Existing data have been examined to establish why some neuronal populations are vulnerable while others are resistant to pathology and to what extent glia prevent and/or facilitate proteinopathy *** approaches reveal a number of hubs in the olfactory system(anterior olfactory nucleus,olfactory entorhinal cortex and cortical amygdala)that are key interconnectors with the main hubs(the entorhinal–hippocampal–cortical and amygdala–dorsal motor vagal nucleus)of network dysfunction in Alzheimer’s and Parkinson’s diseases.

关键词： α-Synuclein Amyloid-β Anterior olfactory nucleus Hyposmia Tau protein

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