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[PMID]:28347745
[Au] Autor:Wilhelm-Filho D; Fraga CG; Boveris A
[Ad] Endereço:Departamento de Ecologia e Zoologia, CCB, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil. Electronic address: dawifi@ccb.ufsc.br.
[Ti] Título:Seasonal and ontogenetic changes modulate oxygen consumption and antioxidant defenses in the cutlassfish Trichiurus lepturus (Pisces, Trichiuridae).
[So] Source:Comp Biochem Physiol C Toxicol Pharmacol;199:90-97, 2017 Sep.
[Is] ISSN:1532-0456
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Several oxidative stress markers and liver oxygen consumption were measured in different tissues of the marine fish Trichiurus lepturus in late summer and late winter, as well as in juveniles and adult females. Oxygen consumption in liver, superoxide dismutase (SOD) and catalase (CAT) activity in liver, red cells, lens and roe, vitamin E, ubiquinol , ß-carotene in liver, red cells, and roe, as well as contents of reduced glutathione (GSH) and lipoperoxidation (TBARS) in red cells were evaluated. Regarding ontogeny, compared to adult fish, juveniles showed significant higher SOD activity in liver and lens, as well as higher liver contents of vitamin E. In contrast, adult females showed higher contents of vitamin E in roe, ubiquinol in liver and roe, and higher GSH levels in red cells, while the other markers remained unchanged. Regarding seasonal changes, no differences were detected in adult females for liver CAT and ubiquinol , CAT in roe, vitamin E in roe and in red cells, liver and red cell ubiquinol , and in GSH in red cells. However, and coinciding with the spawning period of late summer, liver oxygen consumption, SOD and CAT activity and ubiquinol contents in roe and SOD activity in red cells, and red cell TBARS contents were higher compared to late winter. These temporal antioxidant adjustments of Trichiurus lepturus seem to be parallel to the higher oxygen consumption typical of juvenile forms and also to the intense spawning and foraging activities of adult females in late summer.
[Mh] Termos MeSH primário: Proteínas de Peixes/metabolismo
Peixes/fisiologia
Peroxidação de Lipídeos
Fígado/metabolismo
Morfogênese
Estresse Oxidativo
Oxirredutases/metabolismo
[Mh] Termos MeSH secundário: Animais
Ilhas Atlânticas
Oceano Atlântico
Comportamento Animal
Biomarcadores/sangue
Biomarcadores/metabolismo
Brasil
Eritrócitos/enzimologia
Eritrócitos/metabolismo
Comportamento Alimentar
Feminino
Peixes/sangue
Peixes/crescimento & desenvolvimento
Glutationa/sangue
Fígado/enzimologia
Fígado/crescimento & desenvolvimento
Óvulo/enzimologia
Óvulo/metabolismo
Oxirredutases/sangue
Consumo de Oxigênio
Reprodução
Estações do Ano
Ubiquinona/análogos & derivados
Ubiquinona/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Biomarkers); 0 (Fish Proteins); 1339-63-5 (Ubiquinone); 5677-55-4 (ubiquinol-10); EC 1.- (Oxidoreductases); GAN16C9B8O (Glutathione)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170809
[Lr] Data última revisão:
170809
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170329
[St] Status:MEDLINE


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[PMID]:28182684
[Au] Autor:Reich HG; Robertson DL; Goodbody-Gringley G
[Ad] Endereço:Department of Biology, Clark University, Worcester, Massachusetts, United States of America.
[Ti] Título:Do the shuffle: Changes in Symbiodinium consortia throughout juvenile coral development.
[So] Source:PLoS One;12(2):e0171768, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Previous studies of symbiotic associations between scleractinians corals and Symbiodinium have demonstrated that the consortium of symbionts can change in response to environmental conditions. However, less is known about symbiont shuffling during early coral development, particularly in brooding species. This study examined whether Symbiodinium consortia (1) varied in Porites astreoides on shallow (10m) and upper mesophotic (30m) reefs, (2) changed during coral development, and (3) influenced growth of juveniles in different environments. Symbiodinium ITS2 sequences were amplified using universal primers and analyzed using phylotype-specific primers designed for phylotypes A, B, and C. Adults from both depths were found to host only phylotype A, phylotypes A and B, or phylotypes A, B, and C and the frequency of the phylotype composition did not vary with depth. However, phylotype A was the dominant symbiont that was vertically transmitted to the planulae. The presence of phylotypes B and C was detected in the majority of juveniles when transplanted onto the shallow and upper mesophotic reefs whereas only phylotype A was detected in the majority of juveniles reared in outdoor aquaria. In addition, growth of juvenile P. astreoides harboring different combinations of Symbiodinium phylotypes did not vary when transplanted to different reef zones. However, juveniles reared in in situ reef environments grew faster than those reared in ex situ outdoor aquaria. These results show that Symbiodinium consortia change during development of P. astreoides and are influenced by environmental conditions.
[Mh] Termos MeSH primário: Antozoários/crescimento & desenvolvimento
Antozoários/parasitologia
Recifes de Corais
Dinoflagelados
[Mh] Termos MeSH secundário: Animais
Antozoários/genética
Antozoários/microbiologia
Ilhas Atlânticas
Bermudas
Biodiversidade
Biota/genética
Região do Caribe
Dinoflagelados/classificação
Dinoflagelados/genética
Dinoflagelados/crescimento & desenvolvimento
Dinoflagelados/fisiologia
Meio Ambiente
Simbiose/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170907
[Lr] Data última revisão:
170907
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170210
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0171768


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[PMID]:28035670
[Au] Autor:García-Portela M; Riobó P; Rodríguez F
[Ad] Endereço:Instituto Español de Oceanografia (IEO), Centro Oceanográfico de Vigo, Subida a Radio Faro 50, Cabo Estay, Canido, 36390, Vigo, Spain.
[Ti] Título:Morphological and molecular study of the cyanobiont-bearing dinoflagellate Sinophysis canaliculata from the Canary Islands (eastern central Atlantic).
[So] Source:J Phycol;53(2):446-450, 2017 Apr.
[Is] ISSN:1529-8817
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The presence of the benthic dinophysoid dinoflagellate Sinophysis canaliculata has been reported in the Canary Islands (eastern central Atlantic) in live field observations and on fixed macroalgal samples from intertidal ponds (26 sampling sites from El Hierro, Tenerife, Gran Canaria, Fuerteventura and Lanzarote islands). In vivo Sinophysis cells were typically pale pink colored. Light microscopy and scanning electron microscopy micrographs showed a small characteristic narrow hypothecal cut that matched the original description of S. canaliculata. SSU rRNA gene (rDNA) nuclear phylogeny showed that S. canaliculata is closely related to S. microcephalus. Sinophysis specimens displayed cyanobacterial endosymbionts with orange autofluorescence from phycoerythrins. SSU rDNA analyses of the cyanobionts nearly matched a former sequence obtained from S. canaliculata in the Pacific Ocean (Japan). S. canaliculata survived up to 5 months in the original seawater samples. During that period cyanobionts were always present and maintained their orange autofluorescence, although the pink color gradually vanished (<1 month) in most individuals. Molecular similarity of Sinophysis cyanobionts from the Canary Islands and Japanese waters suggest a deterministic relationship, likely a temporary maintenance inside their host via some specific grazing system.
[Mh] Termos MeSH primário: Dinoflagelados/metabolismo
[Mh] Termos MeSH secundário: Ilhas Atlânticas
Cianobactérias/genética
Cianobactérias/metabolismo
DNA Ribossômico/genética
Dinoflagelados/genética
Variação Genética/genética
Filogenia
Simbiose/genética
Simbiose/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Ribosomal)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170906
[Lr] Data última revisão:
170906
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161231
[St] Status:MEDLINE
[do] DOI:10.1111/jpy.12508


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[PMID]:27917201
[Au] Autor:Liao CW; Fu CJ; Kao CY; Lee YL; Chen PC; Chuang TW; Naito T; Chou CM; Huang YC; Bonfim I; Fan CK
[Ad] Endereço:Department of Molecular Parasitology and Tropical Diseases, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
[Ti] Título:Prevalence of intestinal parasitic infections among school children in capital areas of the Democratic Republic of São Tomé and Príncipe, West Africa.
[So] Source:Afr Health Sci;16(3):690-697, 2016 Sep.
[Is] ISSN:1729-0503
[Cp] País de publicação:Uganda
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Although the Democratic Republic of Sao Tome and Principe (DRSTP) has undertaken school children-based deworming programs against intestinal parasitic infections (IPIs) using a single dose of mebendazole annually since 2005, it remains unclear as to the outcome to date. The present study intends to investigate the recent IPIs status among school children living in capital areas of the DRSTP. METHODS: A total of 252 school children (121 boys and 131 girls) of grades 4 and 5 from 4 primary schools located in the capital areas participated in the present study and their fresh fecal specimens were examined for the presence of any parasites using the merthiolate-iodine-formaldehyde concentration method as conducted. RESULTS: The overall prevalence of IPIs was 64.7% (163/ 252). No significant gender difference in prevalence between boys (67.8%) and girls (61.8%) was found (p = 0.3). The majority of school children were infected with a single species of parasite (55.8%). Altogether, 12 different intestinal parasite species were identified in DRSTP school children, of which 9 species were pathogenic and the remaining 3 were non-pathogenic. CONCLUSION: Improving the detection method, sanitation facilities and personal hygiene as well as utilizing combined drugs are all important measures to greatly reduce IPIs in DRSTP school children.
[Mh] Termos MeSH primário: Fezes/parasitologia
Enteropatias Parasitárias/epidemiologia
Instituições Acadêmicas
[Mh] Termos MeSH secundário: Ilhas Atlânticas/epidemiologia
Criança
Feminino
Seres Humanos
Masculino
Prevalência
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170412
[Lr] Data última revisão:
170412
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161206
[St] Status:MEDLINE


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[PMID]:27394527
[Au] Autor:Bahia J; Schrödl M
[Ad] Endereço:SNSB-Bavarian State Collection (ZSM), Münchhausenstrasse 21, 81247, Munich, and Biozentrum and GeoBioCenter LMU - Ludwig-Maximilians Universität München, Germany; Email: unknown.
[Ti] Título:Pseudobiceros wirtzi sp. nov. (Polycladida: Cotylea) from Senegal with revision of valid species of the genus.
[So] Source:Zootaxa;4097(1):101-17, 2016 Mar 29.
[Is] ISSN:1175-5334
[Cp] País de publicação:New Zealand
[La] Idioma:eng
[Ab] Resumo:The genus Pseudobiceros was established based on the presence of two male gonopores, duplicated male reproductive structures, smooth dorsal surface, complex folded pseudotentacles, and simple ruffled pharynx. We describe here a new species of Pseudobiceros from the African continent that has been repeatedly reported and photographed over the years, but lacked a formal description. Pseudobiceros wirtzi sp. nov. is described based on morphological and histological characters. Our bibliographical revision of the genus considers 39 species to be valid. We applied the diagnostic characters of Pseudobiceros to Pseudoceros species listed before the split between these genera, and to species listed as incertae sedis. Pseudobiceros punctatus (Laidlaw 1902) nov. comb. shows typical features of Pseudobiceros. We also discuss other species with historically conflictive generic placements or problematic synonymy and summarize distributions and species characteristics in a comparative table. Most Pseudobiceros species still need re-descriptions to fill gaps regarding internal and pharynx details. Further sampling on the Eastern Africa coast and on mid-Atlantic Islands should prove useful in getting a general view of polyclad biodiversity and biogeography in the Tropical and South Atlantic.
[Mh] Termos MeSH primário: Platelmintos/classificação
[Mh] Termos MeSH secundário: Distribuição Animal
Estruturas Animais/anatomia & histologia
Estruturas Animais/crescimento & desenvolvimento
Animais
Ilhas Atlânticas
Biodiversidade
Tamanho Corporal
Feminino
Masculino
Tamanho do Órgão
Platelmintos/anatomia & histologia
Platelmintos/crescimento & desenvolvimento
Senegal
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1702
[Cu] Atualização por classe:170217
[Lr] Data última revisão:
170217
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160711
[St] Status:MEDLINE
[do] DOI:10.11646/zootaxa.4097.1.5


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[PMID]:27364174
[Au] Autor:Fort E; Lassiège T; Bergeret A
[Ad] Endereço:Univ Lyon, Université Claude Bernard Lyon 1, Ifsttar, UMRESTTE UMR T-9405, F- 69373, Lyon, France. emmanuel.fort@univ-lyon1.fr.
[Ti] Título:Prevalence of cannabis and cocaine consumption in French fishermen in South Atlantic region in 2012-2013 and its policy consequences.
[So] Source:Int Marit Health;67(2):88-96, 2016.
[Is] ISSN:2081-3252
[Cp] País de publicação:Poland
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: The aim of the study was to evaluate the use of cannabis and cocaine among fishermen followed in occupational medicine in the ports of Aquitaine and Charente-Maritime (Direction interrégionale de la mer Sud-Atlantique [DIRM-SA]). MATERIALS AND METHODS: Thousand fishermen could be recruited during medical regulatory examination by the occupational physicians and nurses of Occupational Health Department for Seamen. RESULTS: About 20% of fishermen were former smokers. A third of the fishermen are at risk for excessive drinking according to the AUDIT-C. The prevalence of cannabis experimentation was estimated at 58%. The prevalence of positive urine test for cannabis was 28%. The prevalence of experimentation with cocaine was about 16%. The prevalence of positive urine test for cocaine was 4.5%. CONCLUSIONS: In accordance with its objectives, this study allows objectifying cannabis and cocaine consumption among fishermen. The national rules for fitness at sea have to be modified by introducing the use of urinary tests by occupational physician.
[Mh] Termos MeSH primário: Transtornos Relacionados ao Uso de Cocaína/epidemiologia
Abuso de Maconha/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Alcoolismo/epidemiologia
Ilhas Atlânticas
Feminino
Pesqueiros
França/epidemiologia
Seres Humanos
Masculino
Meia-Idade
Medicina Naval
Medicina do Trabalho/legislação & jurisprudência
Medicina do Trabalho/estatística & dados numéricos
Prevalência
Autorrelato
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170829
[Lr] Data última revisão:
170829
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160702
[St] Status:MEDLINE
[do] DOI:10.5603/IMH.2016.0018


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[PMID]:26842576
[Au] Autor:Ledevin R; Chevret P; Ganem G; Britton-Davidian J; Hardouin EA; Chapuis JL; Pisanu B; da Luz Mathias M; Schlager S; Auffray JC; Renaud S
[Ad] Endereço:Laboratoire de Biométrie et Biologie Evolutive, UMR 5558, CNRS, Université Lyon 1, Campus de la Doua, Villeurbanne 69622, France.
[Ti] Título:Phylogeny and adaptation shape the teeth of insular mice.
[So] Source:Proc Biol Sci;283(1824), 2016 Feb 10.
[Is] ISSN:1471-2954
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:By accompanying human travels since prehistorical times, the house mouse dispersed widely throughout the world, and colonized many islands. The origin of the travellers determined the phylogenetic source of the insular mice, which encountered diverse ecological and environmental conditions on the various islands. Insular mice are thus an exceptional model to disentangle the relative role of phylogeny, ecology and climate in evolution. Molar shape is known to vary according to phylogeny and to respond to adaptation. Using for the first time a three-dimensional geometric morphometric approach, compared with a classical two-dimensional quantification, the relative effects of size variation, phylogeny, climate and ecology were investigated on molar shape diversity across a variety of islands. Phylogeny emerged as the factor of prime importance in shaping the molar. Changes in competition level, mostly driven by the presence or absence of the wood mouse on the different islands, appeared as the second most important effect. Climate and size differences accounted for slight shape variation. This evidences a balanced role of random differentiation related to history of colonization, and of adaptation possibly related to resource exploitation.
[Mh] Termos MeSH primário: Evolução Biológica
Camundongos/anatomia & histologia
Camundongos/fisiologia
Dente Molar/anatomia & histologia
Filogenia
[Mh] Termos MeSH secundário: Distribuição Animal
Animais
Ilhas Atlânticas
DNA Mitocondrial/genética
Europa (Continente)
Feminino
Ilhas do Oceano Índico
Masculino
Camundongos/classificação
Camundongos/genética
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (DNA, Mitochondrial)
[Em] Mês de entrada:1701
[Cu] Atualização por classe:170210
[Lr] Data última revisão:
170210
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160205
[St] Status:MEDLINE


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[PMID]:26739653
[Au] Autor:Yen TY; Trovoada dos Santos Mde J; Tseng LF; Chang SF; Cheng CF; Carvalho AV; Shu PY; Lien JC; Tsai KH
[Ad] Endereço:Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan. Electronic address: d00849002@ntu.edu.tw.
[Ti] Título:Seroprevalence of antibodies against dengue virus among pregnant women in the Democratic Republic of Sao Tome and Principe.
[So] Source:Acta Trop;155:58-62, 2016 Mar.
[Is] ISSN:1873-6254
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:Dengue fever has become a worldwide public health concern, threatening an estimated 40% of the world's population. However, most resources and attention are still focused on malaria, while dengue statuses are poorly recognized in many African countries. In this serological survey, dengue virus (DENV) transmission was demonstrated by using serum samples collected from 78 pregnant women in the Democratic Republic of Sao Tome and Principe (DRSTP) during 2003 to 2004. Immunofluorescence assay was performed and 31 samples (39.74%) were found positive for DENV antibodies. Indirect enzyme-linked immunosorbent assay (ELISA) showed that 53 samples (67.95%) were positive for dengue E IgG, and 38 samples (48.72%) were positive for NS1 IgG. A prevalence of 35.90% was therefore determined for dengue IgG by considering samples that yielded positive results by all three tests. Cross-reactions with other flaviviruses were examined by indirect ELISA against Japanese encephalitis virus, West Nile virus, and yellow fever virus. Only one sample exhibited stronger absorbance against Japanese encephalitis virus and West Nile virus. Moreover, one sample was positive for dengue IgM. These results agreed with the previous researches in neighboring countries and suggested DENV exposure. The study contributes to raising public awareness of dengue and supporting future control strategies.
[Mh] Termos MeSH primário: Anticorpos Antivirais/sangue
Vírus da Dengue/imunologia
Dengue/epidemiologia
Imunoglobulina M/sangue
Complicações Infecciosas na Gravidez/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Ilhas Atlânticas/epidemiologia
Estudos Transversais
Feminino
Seres Humanos
Gravidez
Diagnóstico Pré-Natal
Estudos Soroepidemiológicos
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Antibodies, Viral); 0 (Immunoglobulin M)
[Em] Mês de entrada:1610
[Cu] Atualização por classe:161230
[Lr] Data última revisão:
161230
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160108
[St] Status:MEDLINE


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[PMID]:26439671
[Au] Autor:Moreno R; Stowasser G; McGill RA; Bearhop S; Phillips RA
[Ad] Endereço:British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, UK.
[Ti] Título:Assessing the structure and temporal dynamics of seabird communities: the challenge of capturing marine ecosystem complexity.
[So] Source:J Anim Ecol;85(1):199-212, 2016 Jan.
[Is] ISSN:1365-2656
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Understanding interspecific interactions, and the influences of anthropogenic disturbance and environmental change on communities, are key challenges in ecology. Despite the pressing need to understand these fundamental drivers of community structure and dynamics, only 17% of ecological studies conducted over the past three decades have been at the community level. Here, we assess the trophic structure of the procellariiform community breeding at South Georgia, to identify the factors that determine foraging niches and possible temporal changes. We collected conventional diet data from 13 sympatric species between 1974 and 2002, and quantified intra- and inter-guild, and annual variation in diet between and within foraging habits. In addition, we tested the reliability of stable isotope analysis (SIA) of seabird feathers collected over a 13-year period, in relation to those of their potential prey, as a tool to assess community structure when diets are diverse and there is high spatial heterogeneity in environmental baselines. Our results using conventional diet data identified a four-guild community structure, distinguishing species that mainly feed on crustaceans; large fish and squid; a mixture of crustaceans, small fish and squid; or carrion. In total, Antarctic krill Euphausia superba represented 32%, and 14 other species a further 46% of the combined diet of all 13 predators, underlining the reliance of this community on relatively few types of prey. Annual variation in trophic segregation depended on relative prey availability; however, our data did not provide evidence of changes in guild structure associated with a suggested decline in Antarctic krill abundance over the past 40 years. Reflecting the differences in δ(15) N of potential prey (crustaceans vs. squid vs. fish and carrion), analysis of δ(15) N in chick feathers identified a three-guild community structure that was constant over a 13-year period, but lacked the trophic cluster representing giant petrels which was identified using conventional diet data. Our study is the first in recent decades to examine dietary changes in seabird communities over time. Conventional dietary analysis provided better resolution of community structure than SIA. However, δ(15) N in chick feathers, which reflected trophic (level) specialization, was nevertheless an effective and less time-consuming means of monitoring temporal changes.
[Mh] Termos MeSH primário: Biodiversidade
Aves/fisiologia
Cadeia Alimentar
[Mh] Termos MeSH secundário: Animais
Regiões Antárticas
Organismos Aquáticos/fisiologia
Ilhas Atlânticas
Dieta
Ecologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1612
[Cu] Atualização por classe:170220
[Lr] Data última revisão:
170220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:151007
[St] Status:MEDLINE
[do] DOI:10.1111/1365-2656.12434


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[PMID]:26670254
[Au] Autor:Silva M; Rodriguez I; Barreiro A; Kaufmann M; Isabel Neto A; Hassouani M; Sabour B; Alfonso A; Botana LM; Vasconcelos V
[Ad] Endereço:Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4619-007 Porto, Portugal. marisasilva17@gmail.com.
[Ti] Título:New Invertebrate Vectors of Okadaic Acid from the North Atlantic Waters--Portugal (Azores and Madeira) and Morocco.
[So] Source:Toxins (Basel);7(12):5337-47, 2015 Dec 08.
[Is] ISSN:2072-6651
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:Okadaic acid and its analogues are potent phosphatase inhibitors that cause Diarrheic Shellfish Poisoning (DSP) through the ingestion of contaminated shellfish by humans. This group of toxins is transmitted worldwide but the number of poisoning incidents has declined over the last 20 years due to legislation and monitoring programs that were implemented for bivalves. In the summer of 2012 and 2013, we collected a total of 101 samples of 22 different species that were made up of benthic and subtidal organisms such echinoderms, crustaceans, bivalves and gastropods from Madeira, São Miguel Island (Azores archipelago) and the northwestern coast of Morocco. The samples were analyzed by UPLC-MS/MS. Our main objective was to detect new vectors for these biotoxins. We can report nine new vectors for these toxins in the North Atlantic: Astropecten aranciacus, Arbacia lixula, Echinaster sepositus, Holothuria sanctori, Ophidiaster ophidianus, Onchidella celtica, Aplysia depilans, Patella spp., and Stramonita haemostoma. Differences in toxin contents among the species were found. Even though low concentrations were detected, the levels of toxins that were present, especially in edible species, indicate the importance of these types of studies. Routine monitoring should be extended to comprise a wider number of vectors other than for bivalves of okadaic acid and its analogues.
[Mh] Termos MeSH primário: Invertebrados
Toxinas Marinhas/análise
Ácido Okadáico/análise
[Mh] Termos MeSH secundário: Animais
Ilhas Atlânticas
Oceano Atlântico
Cromatografia Líquida/métodos
Monitoramento Ambiental
Contaminação de Alimentos/análise
Marrocos
Portugal
Espectrometria de Massas em Tandem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Marine Toxins); 1W21G5Q4N2 (Okadaic Acid)
[Em] Mês de entrada:1609
[Cu] Atualização por classe:151231
[Lr] Data última revisão:
151231
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:151217
[St] Status:MEDLINE
[do] DOI:10.3390/toxins7124885



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