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https://www.readbyqxmd.com/read/28742096/insecticide-resistance-is-mediated-by-multiple-mechanisms-in-recently-introduced-aedes-aegypti-from-madeira-island-portugal
#1
Gonçalo Seixas, Linda Grigoraki, David Weetman, José Luís Vicente, Ana Clara Silva, João Pinto, John Vontas, Carla Alexandra Sousa
BACKGROUND: Aedes aegypti is a major mosquito vector of arboviruses, including dengue, chikungunya and Zika. In 2005, Ae. aegypti was identified for the first time in Madeira Island. Despite an initial insecticide-based vector control program, the species expanded throughout the Southern coast of the island, suggesting the presence of insecticide resistance. Here, we characterized the insecticide resistance status and the underlying mechanisms of two populations of Ae. aegypti from Madeira Island, Funchal and Paúl do Mar...
July 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28703291/the-recent-colonization-of-south-brazil-by-the-azores-chromis-chromis-limbata
#2
A B Anderson, E M Salas, L A Rocha, S R Floeter
The damselfish Chromis limbata is native to the Macaronesian Archipelagos (Azores, Madeira and Canaries) and the western coast of Africa between Senegal and Angola. During the austral summers of 2008 and 2009 the species was recorded for the first time in the south-western Atlantic Ocean around Campeche and Xavier Islands, in Florianópolis, Santa Catarina State, Brazil. Here, the progression of C. limbata in southern Brazilian waters is described using visual counts and genetic surveys and changes in the density of the native congener Chromis multilineata were also investigated...
July 13, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28639220/emergence-of-rabbit-haemorrhagic-disease-virus-2-in-the-archipelago-of-madeira-portugal-2016-2017
#3
Carina Luísa Carvalho, Sara Silva, Paz Gouveia, Margarida Costa, Elsa Leclerc Duarte, Ana Margarida Henriques, Sílvia Santos Barros, Tiago Luís, Fernanda Ramos, Teresa Fagulha, Miguel Fevereiro, Margarida Dias Duarte
We report the detection of rabbit haemorrhagic disease virus 2 (RHDV2) in the Madeira archipelago, Portugal. Viral circulation was confirmed by RT-qPCR and vp60 sequencing. Epidemiological data revealed the outbreak initiated in October 2016 in Porto Santo affecting wild and domestic rabbits. It was then detected three months later on the island of Madeira. Five haplotypes were identified and a genetic overall similarity of 99.54 to 99.89% was observed between the two viral populations. Unique single nucleotide polymorphisms were recognised in the Madeira archipelago strains, two of which resulting in amino acid substitutions at positions 480 and 570 in the VP60 protein...
June 21, 2017: Virus Genes
https://www.readbyqxmd.com/read/28623498/minimal-barcode-distance-between-two-water-mite-species-from-madeira-island-a-cautionary-tale
#4
Ricardo García-Jiménez, Jose Luis Horreo, Antonio G Valdecasas
In this work, we compare morphological and molecular data in their ability to distinguish between species of water mites (Acari, Prostigmata, Hydrachnidia). We have focused on the two species of the genus Lebertia inhabiting the island of Madeira. While traditional morphological traits were initially sufficient to distinguish between these two species, the molecular data were more dependable on the kind of analysis carried out. Single arbitrary genetic distance (e.g. a K2P distance below 2%) may lead to the conclusion that the specimens under study belong to the same species...
June 16, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28575081/peripatric-speciation-in-an-endemic-macaronesian-plant-after-recent-divergence-from-a-widespread-relative
#5
Francisco J Valtueña, Tomás Rodríguez-Riaño, Josefa López, Carlos Mayo, Ana Ortega-Olivencia
The Macaronesian Scrophularia lowei is hypothesized to have arisen from the widespread S. arguta on the basis of several phylogenetic studies of the genus, but sampling has been limited. Although these two annual species are morphologically distinct, the origin of S. lowei is unclear because genetic studies focused on this Macaronesian species are lacking. We studied 5 S. lowei and 25 S. arguta populations to determine the relationship of both species and to infer the geographical origin of S. lowei. The timing of S...
2017: PloS One
https://www.readbyqxmd.com/read/28528903/equilibrium-bird-species-diversity-in-atlantic-islands
#6
Luis Valente, Juan Carlos Illera, Katja Havenstein, Tamara Pallien, Rampal S Etienne, Ralph Tiedemann
Half a century ago, MacArthur and Wilson proposed that the number of species on islands tends toward a dynamic equilibrium diversity around which species richness fluctuates [1]. The current prevailing view in island biogeography accepts the fundamentals of MacArthur and Wilson's theory [2] but questions whether their prediction of equilibrium can be fulfilled over evolutionary timescales, given the unpredictable and ever-changing nature of island geological and biotic features [3-7]. Here we conduct a complete molecular phylogenetic survey of the terrestrial bird species from four oceanic archipelagos that make up the diverse Macaronesian bioregion-the Azores, the Canary Islands, Cape Verde, and Madeira [8, 9]...
June 5, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28341293/marine-protected-communities-against-biological-invasions-a-case-study-from-an-offshore-island
#7
I Gestoso, P Ramalhosa, P Oliveira, J Canning-Clode
Biological invasions are a major threat to the world's biota and are considered a major cause of biodiversity loss. Therefore, world marine policy has recognized the need for more marine protected areas (MPAs) as a major tool for biodiversity conservation. The present work experimentally evaluated how protected communities from an offshore island can face the settlement and/or expansion of nonindigenous species (NIS). First, NIS colonization success in marine protected and marina communities was compared by deploying PVC settling plates at the Garajau MPA and Funchal marina (SW Madeira Island)...
March 21, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28331390/cryptorchestia-ruffoi-sp-n-from-the-island-of-rhodes-greece-revealed-by-morphological-and-phylogenetic-analysis-crustacea-amphipoda-talitridae
#8
Domenico Davolos, Elvira De Matthaeis, Leonardo Latella, Ronald Vonk
A new Cryptorchestia species, Cryptorchestia ruffoi Latella & Vonk, sp. n. from the island of Rhodes in south-eastern Greece, can be distinguished on the basis of morphological and phylogenetic data. Morphological analysis and DNA sequencing of mitochondrial and nuclear protein-coding genes indicated that this species is related to Cryptorchestia cavimana (Cyprus) and Cryptorchestia garbinii (Mediterranean regions, with a recent northward expansion). Results supported a genetic separation between the Cryptorchestia species of the east Mediterranean regions and those of the northeast Atlantic volcanic islands examined in this study (Cryptorchestia canariensis, Cryptorchestia gomeri, Cryptorchestia guancha, and Cryptorchestia stocki from the Canary islands, Cryptorchestia monticola from Madeira, and Cryptorchestia chevreuxi from the Azores)...
2017: ZooKeys
https://www.readbyqxmd.com/read/28331386/phylogenetic-analysis-of-the-genus-laparocerus-with-comments-on-colonisation-and-diversification-in-macaronesia-coleoptera-curculionidae-entiminae
#9
Antonio Machado, Eduardo Rodríguez-Expósito, Mercedes López, Mariano Hernández
The flightless Entiminae weevil genus Laparocerus is the species-richest genus, with 237 species and subspecies, inhabiting Macaronesia (Madeira archipelago, Selvagens, Canary Islands) and the continental 'Macaronesian enclave' in Morocco (one single polytypic species). This is the second contribution to gain insight of the genus and assist in its systematic revision with a mitochondrial phylogenetic analysis. It centres on the Canarian clade, adding the 12S rRNA gene to the combined set of COII and 16S rRNA used in our first contribution on the Madeiran clade (here re-analysed)...
2017: ZooKeys
https://www.readbyqxmd.com/read/28150720/drivers-of-cape-verde-archipelagic-endemism-in-keyhole-limpets
#10
Regina L Cunha, Jorge M Assis, Celine Madeira, Rui Seabra, Fernando P Lima, Evandro P Lopes, Suzanne T Williams, Rita Castilho
Oceanic archipelagos are the ideal setting for investigating processes that shape species assemblages. Focusing on keyhole limpets, genera Fissurella and Diodora from Cape Verde Islands, we used an integrative approach combining molecular phylogenetics with ocean transport simulations to infer species distribution patterns and analyse connectivity. Dispersal simulations, using pelagic larval duration and ocean currents as proxies, showed a reduced level of connectivity despite short distances between some of the islands...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28138299/bees-of-the-azores-an-annotated-checklist-apidae-hymenoptera
#11
Julie A Weissmann, Ana Picanço, Paulo A V Borges, Hanno Schaefer
We report 18 species of wild bees plus the domesticated honeybee from the Azores, which adds nine species to earlier lists. One species, Hylaeus azorae, seems to be a single island endemic, and three species are possibly native (Colletes eous, Halictus villosulus, and Hylaeus pictipes). All the remaining bee species are most likely accidental introductions that arrived after human colonization of the archipelago in the 15(th) century. Bee diversity in the Azores is similar to bee diversity of Madeira and Cape Verde but nearly ten times lower than it is in the Canary Islands...
2017: ZooKeys
https://www.readbyqxmd.com/read/28116071/plant-invasion-and-speciation-along-elevational-gradients-on-the-oceanic-island-la-palma-canary-islands
#12
Manuel J Steinbauer, Severin D H Irl, Juana María González-Mancebo, Frank T Breiner, Raquel Hernández-Hernández, Sebastian Hopfenmüller, Yohannes Kidane, Anke Jentsch, Carl Beierkuhnlein
Ecosystems that provide environmental opportunities but are poor in species and functional richness generally support speciation as well as invasion processes. These processes are expected not to be equally effective along elevational gradients due to specific ecological, spatial, and anthropogenic filters, thus controlling the dispersal and establishment of species. Here, we investigate speciation and invasion processes along elevational gradients. We assess the vascular plant species richness as well as the number and percentage of endemic species and non-native species systematically along three elevational gradients covering large parts of the climatic range of La Palma, Canary Islands...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28032448/hla-dqa1-and-hla-dqb1-allele-diversity-and-its-extended-haplotypes-in-madeira-island-portugal
#13
H Spínola, A Lemos, A R Couto, B Parreira, M Soares, I Dutra, J Bruges-Armas, A Brehm
This study shows, for the first time, high-resolution allele frequencies of HLA-DQA1 loci in Madeira Island (Portugal) and allows us to better understand and refine present knowledge on DQB1 variation, with the identification of several alleles not previously reported in this population. Estimates on haplotype profile, involving HLA-A, HLA-B, HLA-DRB1, HLA-DQA1 and HLA-DQB1, are also reported.
February 2017: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/27917052/the-blowflies-of-the-madeira-archipelago-species-diversity-distribution-and-identification-diptera-calliphoridaes-l
#14
Catarina Prado E Castro, Krzysztof Szpila, Anabel Martínez-Sánchez, Rego, Isamberto Silva, Artur R M Serrano, Mário Boieiro
Knowledge on the taxonomic diversity and distribution of blowflies from the Madeira Archipelago is updated. New and interesting findings are reported for poorly studied islands and islets of this archipelago, together with a brief analysis of the diversity of Macaronesian Calliphoridae s. l. Seven blowfly species were collected during this study, including the first records of Calliphora vicina Robineau-Desvoidy, 1830, Chrysomya albiceps (Wiedemann, 1819), Lucilia sericata (Meigen, 1826), Pollenia rudis (Fabricius, 1794) and Stomorhina lunata (Fabricius, 1805) from Porto Santo, and of Calliphora vicina, Lucilia sericata and Stomorhina lunata from Desertas Islands...
2016: ZooKeys
https://www.readbyqxmd.com/read/27905975/health-profile-of-centenarians-in-portugal-a-census-based-approach
#15
Oscar Ribeiro, Laetitia Teixeira, Lia Araújo, Constança Paúl
BACKGROUND: The number of centenarians is rapidly increasing in Europe. In Portugal, it has almost tripled over the last 10 years and constitutes one of the fastest-growing segments of the population. This paper aims to describe the health and sociodemographic characteristics of Portuguese centenarians as given in the 2011 census and to identify sex differences. METHODS: All persons living in Portugal mainland and Madeira and Azores islands aged 100 years old at the time of the 2011 census (N = 1,526) were considered...
April 12, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27742475/colonization-and-diversification-of-aquatic-insects-on-three-macaronesian-archipelagos-using-59-nuclear-loci-derived-from-a-draft-genome
#16
Sereina Rutschmann, Harald Detering, Sabrina Simon, David H Funk, Jean-Luc Gattolliat, Samantha J Hughes, Pedro M Raposeiro, Rob DeSalle, Michel Sartori, Michael T Monaghan
The study of processes driving diversification requires a fully sampled and well resolved phylogeny, although a lack of phylogenetic markers remains a limitation for many non-model groups. Multilocus approaches to the study of recent diversification provide a powerful means to study the evolutionary process, but their application remains restricted because multiple unlinked loci with suitable variation for phylogenetic or coalescent analysis are not available for most non-model taxa. Here we identify novel, putative single-copy nuclear DNA (nDNA) phylogenetic markers to study the colonization and diversification of an aquatic insect species complex, Cloeon dipterum L...
October 11, 2016: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/27505002/zika-virus-a-new-threat-for-europe
#17
Henri Jupille, Gonçalo Seixas, Laurence Mousson, Carla A Sousa, Anna-Bella Failloux
BACKGROUND: Since its emergence in 2007 in Micronesia and Polynesia, the arthropod-borne flavivirus Zika virus (ZIKV) has spread in the Americas and the Caribbean, following first detection in Brazil in May 2015. The risk of ZIKV emergence in Europe increases as imported cases are repeatedly reported. Together with chikungunya virus (CHIKV) and dengue virus (DENV), ZIKV is transmitted by Aedes mosquitoes. Any countries where these mosquitoes are present could be potential sites for future ZIKV outbreak...
August 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27283704/profiling-of-lipophilic-and-phenolic-phytochemicals-of-four-cultivars-from-cherimoya-annona-cherimola-mill
#18
Sónia A O Santos, Carla Vilela, João F Camacho, Nereida Cordeiro, Manuela Gouveia, Carmen S R Freire, Armando J D Silvestre
The lipophilic and phenolic extractives of the ripe mesocarp of four cherimoya cultivars ('Perry Vidal', 'Mateus I', 'Mateus III' and 'Funchal') from Madeira Island, were studied for the first time. The predominant lipophilic compounds are kaurene diterpenes (42.2-59.6%), fatty acids (18.0-35.6%) and sterols (9.6-23.7%). Kaur-16-en-19-oic acid is the major lipophilic component of all cultivars accounting between 554 and 1350mgkg(-1) of dry material. The studied fruits also contain a high variety of flavan-3-ols, including galloylated and non-galloylated compounds...
November 15, 2016: Food Chemistry
https://www.readbyqxmd.com/read/27240963/madeira-a-tourist-destination-for-asthma-sufferers
#19
Irene Camacho, Agnieszka Grinn-Gofroń, Roberto Camacho, Pedro Berenguer, Magdalena Sadyś
Madeira Island is a famous tourist destination due to its natural and climatic values. Taking into account optimal weather conditions, flora richness and access to various substrates facilitating fungal growth, we hypothesised a very high risk of elevated fungal spore and pollen grain concentrations in the air of Funchal, the capital of Madeira. Concentration levels of the most allergenic taxa were measured from 2003 to 2009, using a 7-day volumetric air sampler, followed by microscopy analysis. Dependence of bioaerosols on the weather conditions and land use were assessed using spatial and statistical tools...
November 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27134823/zika-virus-infections-imported-from-brazil-to-portugal-2015
#20
L Zé-Zé, M B Prata, T Teixeira, N Marques, A Mondragão, R Fernandes, J Saraiva da Cunha, M J Alves
Zika virus is an emerging arbovirus transmitted by Aedes sp. mosquitoes like the Dengue and Chikungunya viruses. Zika virus was until recently considered a mild pathogenic mosquito-borne flavivirus with very few reported benign human infections. In 2007, an epidemic in Micronesia initiated the turnover in the epidemiological history of Zika virus and more recently, the potential association with congenital microcephaly cases in Brazil 2015, still under investigation, led the World Health Organization (WHO) to declare a Public Health Emergency of International Concern on February 1, 2016...
2016: IDCases
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