Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
|---|
| evidence of state-dependent interhemispheric relationships in lizard eeg during the awake state. | the electroencephalogram (eeg) from both hemispheres of eight canary lizards gallotia galloti was registered at 25 degrees c and 35 degrees c during awake state with open eyes (oe) and closed eyes. the possible interdependence between the recorded eegs was assessed by means of newly developed methods of multivariate nonlinear time-series analysis. the interdependence turned out to be significant and greater for the oe state at both temperatures, although it was of linear type in most of the case ... | 2002 | 12046700 |
| directional female preference for an exaggerated male trait in canary (serinus canaria) song. | motor constraints on vocal production impose a trade-off between trill rate and frequency bandwidth within birdsong. we tested whether domesticated canary (serinus canaria) females, reared either in acoustic isolation or in aviary conditions, had a preference for broad bandwidth songs with artificially increased syllable rates. the copulation solicitation display (csd) was used as an index of female preference. as predicted, both naive and experienced females were especially responsive to syllab ... | 2002 | 12573066 |
| heliotherapy in atopic dermatitis: a prospective study on climatotherapy using the scorad index. | the aim of this study was to investigate the suitability and effectiveness of heliotherapy in moderate or severe atopic dermatitis in adults in the canary islands. a total of 216 patients participated on 6 different 2- or 3-week heliotherapy trips. using the severity scoring of atopic dermatitis index (scorad), the severity of atopic dermatitis was assessed prior to the start of heliotherapy, after 2 weeks and then 3 months after the end of heliotherapy. a quality-of-life questionnaire was later ... | 2002 | 12575850 |
| higher-order organization and compartmentalization of satellite dna pim357 in species of the coleopteran genus pimelia. | the pim357 satellite dna family is present in 26 pimelia taxa (tenebrionidae, coleoptera) with endemic congeneric species from the canary islands showing higher interrepeat variability than continental ones. in this paper, we compare the repetitive dna sequences of a canarian species that has distinct subfamilies of repeat units, p. radula ascendens, with another without such subfamilies, p. sparsa sparsa. the chromosomal localization of the repeat units and the comparison of the variability of ... | 2002 | 12498348 |
| serum copper and zinc concentrations in a representative sample of the canarian population. | serum copper (cu) and zinc (zn) concentrations of 395 individuals (187 males + 208 females) living in canary islands were determined by flame atomic absorption spectrometry. the mean copper and zinc concentrations were 1.10 +/- 0.25 mg/l and 1.16 +/- 0.52 mg/l respectively. our data were similar to other data published in other spanish regions. individuals from lanzarote presented a mean cu and zn concentrations higher (p < 0.05) than individuals from the rest of islands; individuals from el hie ... | 2002 | 12195729 |
| intraspecific evolution of canary island plecotine bats, based on mtdna sequences. | island differentiation and relationships with congenerics were investigated in the endemic canary island bat plecotus teneriffae, based on approximately 1 kb of mtdna from the 16s rrna and cytochrome b genes. p. teneriffae had closer affinities with p. austriacus than with p. auritus. levels of differentiation between canary islands were quite high relative to pipistrelle-like bats, consistent with philopatric behaviour in the plecotus genus. cladogenesis within p. teneriffae appears to have occ ... | 2003 | 12692583 |
| diversification of sympatric sapromyza (diptera: lauxaniidae) from madeira: six morphological species but only four mtdna lineages. | a series of recent studies on speciation of insects within the canary islands have indicated considerable within-island diversification, similar to that described in the hawaiian islands. little work has yet been carried out on the neighboring madeiran archipelago, which is also volcanic. this study examines relationships among all known lauxaniid flies of the genus sapromyza from madeira (including six newly described morphological species) based on mitochondrial gene trees constructed from cyt ... | 2003 | 12742747 |
| [trends in mortality and years of life lost related to alcohol in the canary islands, spain [1980-1998]]. | the aim of this article was to describe death rates and years of life lost prematurely (yllp) in relation to alcohol consumption in the canary islands. the study covered the period between 1980 and 1998. | 2003 | 14670253 |
| [childhood and adolescent obesity in spain. results of the enkid study (1998-2000)]. | obesity is a chronic disease with a complex multifactorial nature which typically begins during childhood and adolescence. it represents one of today's most critical and escalating public health concerns for this segment of the population. the lack of obesity prevalence data at national level prompted the enkid study (1998-2000), which was designed to evaluate the food habits and nutritional status of spanish children and youth. | 2003 | 14678693 |
| radiation, diversity, and host-plant interactions among island and continental legume-feeding psyllids. | island archipelagos and insect-plant associations have both independently provided many useful systems for evolutionary study. the arytainine psyllid (sternorrhyncha: hemiptera) radiation on broom (fabaceae: genisteae) in the canary island archipelago provides a discrete system for examining the speciation of highly host-specific phytophagous insects in an island context. phylogenetic reconstructions based on three datasets (adult and nymph morphological characters, and two mitochondrial dna reg ... | 2003 | 14686530 |
| flexible reproduction in wild canaries is independent of photoperiod. | in temperate zone species, timing of the breeding season is determined by the minimum photoperiod or "critical day length" and the development of photorefractoriness. the integration of environmental cues like food, temperature, rainfall, and behavioural interactions determines the breeding window. however, there are a number of examples for breeding activities outside this time window. here we investigated the possible mechanisms for early seasonal breeding activities in a population of wild ca ... | 2003 | 12568786 |
| phylogeography of pipistrelle-like bats within the canary islands, based on mtdna sequences. | evolution of three canary island vespertilionid bat species, pipistrellus kuhlii, pipistrellus maderensis, and hypsugo savii was studied by comparison of approximately 1 kbp of mtdna (from cytochrome b and 16s rrna genes) between islands. mtdna reveals that both p. kuhlii and p. maderensis exist in sympatry on tenerife (and possibly other islands). their morphological similarity explains why their co-occurrence had not been detected previously. levels of sequence divergence are quite low within ... | 2003 | 12470938 |
| nobel prize winner trading card (circa 1952). elie metchnikoff. | russian doctor and bacteriologist, born in ivanowca in 1845. he began his studies in kharkov, continuing them at the universities of giessen, gothingen, and munich, later being named professor of zoology in odessa in 1870. in the canary islands, he completed some anthropological works, but dedicated himself especially to studies of marine fauna. in 1887, much taken by the work of pasteur, he wrote to him asking for a position in his laboratories; in a short time he became one of the principal co ... | 2003 | 12650160 |
| photoperiodic response of the hypothalamo-pituitary-gonad axis in male and female canaries, serinus canaria. | although the gonadal photoperiodic response and its influence upon the song control system in canaries have been extensively studied, photoperiodic regulation of the gnrh system has not been investigated. to examine the relationship between photoperiod and the reproductive neuroendocrine system in male and female canaries, three groups of canaries were exposed to chronic short days (8l:16d; phsens), acute long days (18l:6d; phstim) and chronic long days (also 18l:6d; phrefr) to induce the reprod ... | 2003 | 12658720 |
| benzodiazepines: more "behavioural" addiction than dependence. | to estimate the prevalence, characteristics and risk factors associated with the development of benzodiazepine dependence in the users of these active ingredients. | 2003 | 12669174 |
| taxonomic status and origin of the shrews (soricidae) from the canary islands inferred from a mtdna comparison with the european crocidura species. | european island shrews are either relicts of the endemic pleistocene fauna, e.g.,. crocidura zimmermanni, or were introduced from continental source populations. in order to clarify the taxonomic status and the origin of the two shrew species from the canary islands, a 981bp fragment of cytochrome b gene was investigated in all european crocidura species and compared with the canary shrew (crocidura canariensis) and the osorio shrew (crocidura osorio). the first shares its karyotype with the sic ... | 2003 | 12695091 |
| first epidemic of aseptic meningitis due to echovirus type 13 among spanish children. | echoviruses are the commonest cause of aseptic meningitis (am). echovirus type 13 (ev-13) was the second enterovirus serotype associated with different local outbreaks of am in spain between february and october 2000. it was the first time that an epidemic am caused by this virus was recognized in spain. the index case appeared in the canary islands (canarias). the ev-13 virus was isolated from 135 patients, predominantly from cerebrospinal fluid (csf). all isolates were from children under 13 y ... | 2003 | 12729193 |
| [cost analysis and potential savings related to the use of preoperative tests in the hospitals of the canary islands [spain]]. | to estimate the potential cost savings that might take place in the canary islands health service (chs) through the appropriate scientific use of preoperative tests, using information obtained from five public university hospitals. | 2003 | 12729540 |
| [prevalence of obesity in spain: results of the seedo 2000 study]. | obesity is a major public health problem in developed countries. it is of key importance to ascertain its magnitude and to identify main groups at risk. in this paper the prevalence of obesity in spanish adult population aged 25-60 is estimated, based on measured height and weight. | 2003 | 12732125 |
| [in memoriam of dr. josé miguel juan togores: the history of neurology in the canary islands]. | 2003 | 12666054 | |
| seasonal regulation of nmda receptor nr2b mrna in the adult canary song system. | developmental changes in the composition and function of n-methyl-d-aspartate receptors (nmdars) are believed to regulate neural plasticity. for example, in songbirds, vocal learning entails nmdar activation, and the sensitive period for such learning in zebra finches (zfs) parallels developmental changes in nmdar density and phenotype within several song-related brain regions. in contrast to zfs, canaries exhibit vocal plasticity recurrently throughout adulthood, prompted by seasonal changes in ... | 2003 | 12555271 |
| analysis by gas chromatography-mass spectrometry of the essential oils from the aerial parts of rutheopsis herbanica (bolle) hans. & kunk., gathered in fuerteventura (canary islands). | the essential oil from the aerial parts of rutheopsis herbanica (bolle) hans. & kunk., growing in fuerteventura, canary islands, spain, was studied by gas chromatography and gas chromatography-mass spectrometry, and 42 constituents were identified. the major components were found to be alpha-pinene (29.4%), dillapiole (21.3%), limonene (14.1%), beta-pinene (13.2%) and myristicin (10.0%). as far as we know, this is the first report on the essential oil composition of this species. | 2003 | 12564686 |
| [the use of the capture- recapture method in evaluating the epidemiological meningococcal disease monitoring system in tenerife, spain (1999-2000)]. | meningococcal disease is mainly monitored passively on the canary islands, the regular compulsory disease notification channels being used. the objective of this study includes describing the qualitative and quantitative aspects of this system and evaluating the exhaustiveness, by means of the capture-recapture system, of three information sources. | 2003 | 14965062 |
| epidemiology of methicillin-resistant staphylococcus aureus at a university hospital in the canary islands. | to describe the epidemiology of methicillin-resistant staphylococcus aureus (mrsa) at a university hospital in tenerife, canary islands, during a 40-month period and to evaluate the effectiveness of the application of control measures. | 2003 | 14510249 |
| mitochondrial portraits of the madeira and açores archipelagos witness different genetic pools of its settlers. | we have studied the matrilineal genetic composition of the madeira and açores north atlantic archipelagos, which were settled by the portuguese in the 15th century. both archipelagos, and particularly madeira, were involved in a complex commercial network established by the portuguese, which included the trading of slaves across the atlantic. one hundred and fifty-five mtdnas sampled from the madeira and 179 from the açores archipelagos were analysed for the hypervariable segment i (hvs-i), and ... | 2003 | 14513360 |
| analysis by gas chromatography-mass spectrometry of the essential oil from the aerial parts of pimpinella junoniae ceb. & ort., gathered in la gomera, canary islands, spain. | the essential oil from the aerial parts of pimpinella junoniae ceb. & ort., growing in la gomera, canary islands, spain, was studied by gas chromatography and gas chromatography-mass spectrometry, and 43 constituents were identified. the major components were found to be alpha-zingiberene (20.6%), alpha-pinene (17.9%), (e)-beta-farnesene (9.3%), ar-curcumene (7.4%), beta-phellandrene (7.0%), beta-bisabolene (6.1%) and epoxypseudoisoeugenyl 2-methylbutyrate (6.0%). the decomposition product of ep ... | 2003 | 14518782 |
| [trends in mortality from ischemic heart disease in 50 spanish provinces]. | ischemic heart disease is the leading cause of cardiovascular mortality and the second most frequent cause in women in spain. it is responsible for 12% and 10%, respectively, of all-cause mortality. our aim was to identify those provinces where recent trends differ significantly from the overall national pattern of decreasing rates in recent years, and where intervention is probably needed. | 2003 | 14519271 |
| contribution of collagen stable isotope biogeochemistry to the paleobiology of extinct endemic vertebrates from tenerife (canary islands, spain). | the paleodiet and paleoenvironmental context of two extinct species from tenerife island, one giant rat canariomys bravoi and one giant lizard gallotia goliath, have been investigated using carbon and nitrogen isotopic compositions of fossil bone collagen. preliminary to this study, a calibration of the isotopic variations of bone collagen from modern rat rattus rattus, rabbit oryctolagus cuniculus and lizard gallotia galotti relative to environmental conditions on tenerife islands has been atte ... | 2003 | 14521281 |
| complex population genetic structure in the endemic canary island pine revealed using chloroplast microsatellite markers. | the canary archipelago, located on the northwestern atlantic coast of africa, is comprised of seven islands aligned from east to west, plus seven minor islets. all the islands were formed by volcanic eruptions and their geological history is well documented providing a historical framework to study colonization events. the canary island pine ( pinus canariensis c. sm.), nowadays restricted to the westernmost canary islands (gran canaria, tenerife, la gomera, la palma and el hierro), is considere ... | 2003 | 14523525 |
| mitochondrial dna transit between west asia and north africa inferred from u6 phylogeography. | world-wide phylogeographic distribution of human complete mitochondrial dna sequences suggested a west asian origin for the autochthonous north african lineage u6. we report here a more detailed analysis of this lineage, unraveling successive expansions that affected not only africa but neighboring regions such as the near east, the iberian peninsula and the canary islands. | 2003 | 14563219 |
| a weevil pollinating the canary islands date palm: between parasitism and mutualism. | palm pollination systems are highly diverse, including by wind and by several different groups of insects. many palm species are associated with more or less specific pollinating weevils that are also floral herbivores. for many such palms, the importance of these "palm flower weevils" as pollinators has not been examined. here we describe a new ex situ method of demonstrating insect pollination when pollinator exclusion is not possible. we show that neoderelomus piriformis beetles carry pollen ... | 2003 | 14564403 |
| assessment of the dq heterodimer test in the diagnosis of celiac disease in the canary islands (spain). | celiac disease is a multifactorial disorder of the proximal small intestine associated with a permanent intolerance to gluten. the hla-dq(alpha1*0501, beta1*02) heterodimer is strongly associated with this disease. | 2003 | 14581805 |
| helminths of the wild rabbit (oryctolagus cuniculus) in macaronesia. | two hundred and four rabbits from 8 macaronesian islands (pico, san jorge, san miguel, terceira, and flores from azores archipelago; tenerife and alegranza from canary islands; and madeira from madeira archipelago) were examined for helminth parasites between 1995 and 2000. three species of cestodes, taenia pisiformis (larvae), andrya cuniculi, and mosgovoyia ctenoides, and 5 species of nematodes, trichuris leporis, graphidium strigosum, trichostrongylus retortaeformis, passalurus ambiguus, and ... | 2003 | 14627142 |
| parasitic helminths of the wild rabbit, oryctolagus cuniculus, in different bioclimatic zones in tenerife, canary islands. | faunistic and ecological analyses of the wild rabbit helminth fauna were undertaken in tenerife island (canary islands). rabbits were collected between 1998 and 2000 in seven bioclimatic zones in tenerife selected by orientation and altitude. five parasite species were identified, three cestodes (taenia pisiformis (larvae), andrya cuniculi and mosgovoyia ctenoides) and two nematodes (trichostrongylus retortaeformis and passalurus ambiguus). taenia pisiformis presented an irregular distribution w ... | 2003 | 14627446 |
| pythium regulare sp. nov., isolated from the canary islands, its taxonomy, its region of rdna, and comparison with related species. | pythium regulare (ci-34) was isolated from some soil samples taken in the canary islands (spain). this new species is very closely related to p. irregulare isolated from pea roots in the netherlands by buisman in 1927. the species of pythium are members of the kingdom chromista. pythium regulare is characterized by its ornamented oogonia bearing blunt or digitate spines, and its non-sporulating type of sporangia or hyphal bodies, its aplerotic oospores, its monoclinous and diclinous antheridia t ... | 2003 | 14629012 |
| [murine typhus in tenerife. clinicoepidemiological study and differential clinical features with q fever]. | our aim was to conduct a study to define the clinical and epidemiological characteristics of patients with murine typhus in tenerife island (canary islands, spain). moreover, we investigated the differential clinical features of this disease with regard to q fever. | 2003 | 14636536 |
| skin tests and conjunctival and bronchial challenges with extracts of blomia tropicalis and dermatophagoides pteronyssinus in patients with allergic asthma and/or rhinoconjunctivitis. | blomia tropicalis and dermatophagoides pteronyssinus are important mite species in tenerife, canary islands, spain. several studies have demonstrated a variable degree of allergenic cross-reactivity in vitro. however, only a few have addressed their allergenic cross-reactivity using challenge tests. | 2003 | 12876408 |
| the canary is dead. | 2003 | 12911369 | |
| effects of unilateral lesions of hvc on song patterns of male domesticated canaries. | bird song is a model for studying neural control and lateralization of a learned behavior. adult male canary develops large and varied song repertoires. particular features of the male are well known to stimulate the reproductive activities of the female. we report here on the effect of lesions of either the left or right hvc, a key nucleus of the descending vocal control network of songbirds, on different song parameters of common domesticated male canaries of an european outbred strain. these ... | 2003 | 12918015 |
| nontraditional nutrition education interventions: the radio ecca method. | to evaluate a nutrition education intervention using a radio programme in the canary islands. | 2003 | 12947463 |
| telepsychiatry in the canary islands: user acceptance and satisfaction. | a telepsychiatry service, using isdn videoconferencing, was established to provide psychiatric consultations for the population of el hierro, the most westerly of the canary islands. during the first year of routine operation, a total of 40 patients had 40 initial and 126 follow-up teleconsultations. the main reason for the consultation identified in the general practitioner's referral form was to establish a diagnosis (60% of patients); the second most common reason was the management of a pati ... | 2003 | 12952693 |
| canada: courageous canary. | 2003 | 12958374 | |
| molecular analysis of echovirus 13 isolates and aseptic meningitis, spain. | echovirus 13 (ev13), considered rare, was reported worldwide in 2000, mostly related to aseptic meningitis outbreaks. in spain, 135 ev13 isolates were identified. the genetic relationships between 64 representative strains from spain and other reported isolates from the united states, germany, italy, japan, and sweden were described by analyzing the partial sequence of the major capsid protein (vp1) gene. the strains from spain were clearly identified as ev13 (79.5% similarity with the ev13 refe ... | 2003 | 12967490 |
| ecological and morphological differentiation among cryptic evolutionary lineages in freshwater limpets of the nominal form-group ancylus fluviatilis (o.f. müller, 1774). | the phylogeny and potential mode of speciation of the river limpet ancylus fluviatilis (basommatophora) was examined using mitochondrial dna sequences from 16s ribosomal rna, cytochrome c oxidase subunit i (coi) and nuclear dna from internal transcribed spacer (its-1) regions from 103 populations across europe. four highly divergent lineages were observed within ancylus. clade 1, representing the nominal taxon ancylus fluviatilis (o.f. müller, 1774), is mainly found in central and northern europ ... | 2003 | 12969476 |
| asthma induced by canary food mix. | a 42-year-old woman reported immediate rhinoconjunctivitis, asthma, and contact urticaria while handling bird food. skin-prick tests were positive to lolium, cynodon, phragmites, cupressus sempervirens, cupressus arizonica, chenopodium, sunflower pollen and seed, mugwort, chamomile, chrysanthemum, taraxacum, canary seed, and black seed (guizotia abyssinica). the patient's serum-specific immunoglobulin (ige) to taraxacum, black seed, and canary seed was positive. enzyme-linked immunosorbent assay ... | 2003 | 12974193 |
| impact odorants of different young white wines from the canary islands. | five young monovarietal white wines from the canary islands made from gual, verdello, marmajuelo, white listán, and malvasia grape cultivars were studied to determine the characteristics of their most important aromas and the differences among them. the study was carried out using gas chromatography-olfactometry (gc-o) to detect the potentially most important aroma compounds, which were then analyzed quantitatively by gas chromatography-flame ionization detection and gas chromatography-mass spec ... | 2003 | 12744677 |
| primary hyperoxaluria type 1 in the canary islands: a conformational disease due to i244t mutation in the p11l-containing alanine:glyoxylate aminotransferase. | primary hyperoxaluria type 1 (ph1) is an inborn error of metabolism resulting from a deficiency of alanine:glyoxylate aminotransferase (agxt; ec 2.6.1.44). most of the ph1 alleles detected in the canary islands carry the ile-244 --> thr (i244t) mutation in the agxt gene, with 14 of 16 patients homozygous for this mutation. four polymorphisms within agxt and regional microsatellites also were shared in their haplotypes (agxt*ltm), consistent with a founder effect. the consequences of these amino ... | 2003 | 12777626 |
| seroprevalence of infection by coxiella burnetii in canary islands (spain). | the aims of our study were: (i) to know the seroprevalence of coxiella burnetii infection in the canary islands, (ii) to evaluate its epidemiologic features and (iii) to compare the rates of seroprevalence using two different cut-offs (1:20 and 1:80) for the diagnosis of past infection. | 2003 | 12800952 |
| hiv-positive immigrants in the canary islands, spain: implications for public health in europe. | the canary islands face the northwest coast of africa and belong administratively to spain. they represent a frequent step for the entrance of africans into spain and, from there, to all the european union. the presence of hiv-1 non-b variants has already been reported in spain and other european countries, mostly among african immigrants. | 2003 | 12815558 |
| nuclear dna amounts in macaronesian angiosperms. | nuclear dna contents for 104 macaronesian angiosperms, with particular attention on canary islands endemics, were analysed using propidium iodide flow cytometry. prime estimates for more than one-sixth of the whole canarian endemic flora (including representatives of 11 endemic genera) were obtained. the resulting 1c dna values ranged from 0.19 to 7.21 pg for descurainia bourgeauana and argyranthemum frutescens, respectively (about 38-fold difference). the majority of species, however, possessed ... | 2003 | 12824074 |
| [socioeconomic costs of cardiovascular disease and cancer in the canary islands (spain) in 1998]. | to evaluate the economic impact in terms of direct and indirect costs of the cardiovascular disease and cancer in the canary islands in 1998. | 2003 | 12841983 |
| application of multivariate analysis and artificial neural networks for the differentiation of red wines from the canary islands according to the island of origin. | eleven metals (k, na, ca, mg, fe, cu, zn, mn, sr, li, and rb) were determined in 83 red wines from the canary islands. the wines presented high concentrations of na, and the concentrations of cu and zn were much lower than the maximum concentrations established by the international office of vine and wine (oiv). applying principal component analysis, the dimension space was reduced to five principal components that explain 76.4% of the total variance, and the wines tend to separate on the basis ... | 2003 | 12848502 |
| phylogeography of the endangered darkling beetle species of pimelia endemic to gran canaria (canary islands). | phylogenetic and geographical nested clade analysis (nca) methods were applied to mitochondrial dna sequences of pimelia darkling beetles (coleoptera, tenebrionidae) endemic to gran canaria, an island in the canary archipelago. the three species p. granulicollis, p. estevezi and p. sparsa occur on the island, the latter with three recognized subspecies. another species, p. fernandezlopezi (endemic to the island of la gomera) is a close relative of p. granulicollis based on partial cytochrome oxi ... | 2003 | 12859634 |
| mitochondrial dna phylogeography and population history of meladema diving beetles on the atlantic islands and in the mediterranean basin (coleoptera, dytiscidae). | the phylogeny and population history of meladema diving beetles (coleoptera, dytiscidae) were examined using mitochondrial dna sequence from 16s ribosomal rna and cytochrome oxidase i genes in 51 individuals from 22 populations of the three extant species (m. imbricata endemic to the western canary islands, m. lanio endemic to madeira and m. coriacea widespread in the western mediterranean and on the western canaries), using a combination of phylogenetic and nested clade analyses. four main line ... | 2003 | 12492885 |
| mannose binding lectin polymorphisms as a disease-modulating factor in women with systemic lupus erythematosus from canary islands, spain. | to determine whether mannose binding lectin (mbl) polymorphisms are associated with clinical characteristics and with susceptibility to systemic lupus erythematosus (sle) in women from the canary islands, spain. | 2003 | 12672193 |
| a predominant european ancestry of paternal lineages from canary islanders. | we genotyped 24 biallelic sites and 5 microsatellites from the non-recombining portion of the y chromosome in 652 males from the canary islands. the results indicate that, contrary to mtdna data, paternal lineages of the current population are overwhelmingly (>90%) of european origin, arguing for a highly asymmetric pattern of mating after european occupation. however, the presence of lineages of indisputable african assignation demonstrates that an aboriginal background still persists (<10%). o ... | 2003 | 12675689 |
| [utility of congenital hypothyroidism screening in neonates for monitoring iodine deficit disorders in the canary islands (spain)]. | newborns in european cities where iodine intake is low have been demonstrated to present high frequencies of transitory hypothyroidism. because the neonatal period is critical for cerebral development, this is a cause for concern. published studies (who/unicef/iccidd) indicate that neonates with a thyroid-stimulating hormone (tsh) concentration of more than 5 mu/ml revealed by screening for congenital hypothyroidism present mild iodine deficiency. | 2003 | 12681185 |
| evaluating reptile exposure to cholinesterase-inhibiting agrochemicals by serum butyrylcholinesterase activity. | blood samples from lizards (gallotia galloti) collected from two agricultural areas (las galletas and punta del hidalgo) and two reference areas on the island of tenerife (canary islands, spain) were analyzed for butyrylcholinesterase (bche) activity. serum bche activity was characterized first by in vitro experiments using selective substrates and inhibitors. of the total cholinesterase (che) activity, 74% could be attributed to bche activity. this portion of the total che activity was inhibite ... | 2003 | 12558160 |
| [prevalence of the metabolic syndrome in the population of canary islands, spain]. | the program for the detection of high blood cholesterol in adults (atp iii) has recently published diagnostic criteria for the metabolic syndrome. its prevalence in the canarian population is reported here. | 2003 | 12605823 |
| selenium and mercury concentrations in sweet and dry bottled wines from the canary islands, spain. | the concentrations of selenium and mercury were determined by atomic absorption spectrophotometry in sweet and dry bottled wines from the canary islands, spain. the concentrations of mercury ranged from 2.6 to 4.9 microg x l(-1) for sweet wines, and from 1.5 to 2.6 microg x l(-1) for dry wines, differences (p < 0.05) being observed according to the island of production and type of wine, but not with respect to vintage. the concentration of selenium varied between 1.0 and 2.0 microg x l(-1) for s ... | 2003 | 12623647 |
| analysis of arsenic, lead and cadmium in wines from the canary islands, spain, by icp/ms. | because of their high toxicity, arsenic, lead and cadmium need to be quantified in food and beverages. for the first time, in this study the content of arsenic, lead and cadmium was investigated in 152 wine samples from the canary islands, spain, belonging to eight denominations of origin (do) and four islands by inductively coupled plasma mass spectrometry (icp-ms). the ranges of concentration found were 0.58-8.45 microg l(-1) for arsenic, 0.20-1.73 microg l(-1) for cadmium and 3.89-159.5 micro ... | 2003 | 12623662 |
| lead and cadmium levels in coastal benthic algae (seaweeds) of tenerife, canary islands. | lead and cadmium levels of some species of brown-algae (phaeophyta) from the mesolittoral (intertidal area) of the island of tenerife (central-eastern atlantic) were determined by atomic absorption spectrometry. the quality control was carried out using a standard "crm 279 ulva lactuca". the mean, minimum and maximum concentrations were 11.21, 2.090 and 81.795 microg/g/dw; and 1.13, 0.190 and 5.130 microg/g/dw for lead and cadmium, respectively. the fact that samples registering the highest cadm ... | 2003 | 12504159 |
| a chemo attractant in onion root exudates recognized by ditylenchus dipsaci in laboratory bioassay. | abstract a quantitative bioassay that translates preferences of axenically cultured and field population of ditylenchus dipsaci, observed in vitro, into relative attractiveness of sterile root exudates preparations and their components is described. onion (allium cepa cv. white lisbon) root exudates (ore) are consistently and significantly much more attractive than the buffer control in all these assays. exudates from oat cv. lodi, mustard cv. albatross and tomato cv. rehovot 13 are significantl ... | 2003 | 18944166 |
| biosystematics of the myxomycete badhamia gracilis. | sixty-four isolates that conformed to the general morphological description of badhamia gracilis were isolated from several arid regions in the southwestern usa, northern mexico, puerto rico, and the canary islands. these isolates were then subjected to a biosystematic study in which reproductive systems, culture characteristics, and morphology were examined. five of the isolates were heterothallic and were divided into two separate biological species with multiple allelic mating systems: a1 con ... | 2003 | 21156594 |
| classification of commercial wines from the canary islands (spain) by chemometric techniques using metallic contents. | eleven elements, k, na, ca, mg, fe, cu, zn, mn, sr, li and rb, were determined in dry and sweet wines bearing the denominations of origin of el hierro, la palma and lanzarote islands (canary islands, spain). analyses were performed by flame atomic absorption spectrophotometry, with the exceptions of lithium and rubidium for which flame atomic emission spectrophotometry was used. sweet wines from la palma were elaborated as naturally sweet with over-ripe grapes and significant differences were fo ... | 2003 | 18968916 |
| molecular phylogenetic evidence for the geographic origin and classification of canary island lotus (fabaceae: loteae). | molecular phylogenetic analyses of macaronesian lotus and related genera were conducted to assess their biogeographic history and taxonomy. macaronesian lotus, which are typically classified within one of two subgenera, lotus subgenus pedrosia or l. subg. rhyncholotus, are diagnosed by the presence of a forked or toothed style and differences in corolla morphology. maximum parsimony and bayesian analyses of internal transcribed spacer sequences identify a well-supported northwest african-cape ve ... | 2004 | 15186802 |
| canary needs help; send for willie sutton. | 2004 | 15144306 | |
| [familial multiple sclerosis in canary islands]. | multiple sclerosis (ms) is an autoimmune disease that occurs in genetically predisposed individuals. its inheritance is polygenic. genetic epidemiology studies have shown an increased familial aggregation. aim. to determine the prevalence of familial ms (fms) in a series of patients from the canary islands. | 2004 | 15573304 |
| palatine torus in the pre-conquest inhabitants of the canary islands. | an unusually high frequency of palatine torus in prehistoric canary islands skeletal remains is investigated in terms of population origins, evolutionary forces (gene flow and genetic drift) and environmental effects. palatine torus frequencies (percent presence) are compared between the canary islands sample and skeletal samples from proposed ancestral regions, including northwest africa, northeast africa, sub-saharan africa, southern europe, northern europe and western asia. the frequency of p ... | 2004 | 15553272 |
| trypanosoma avium: experimental transmission from black flies to canaries. | trypanosomes identified as trypanosoma avium were found in the ornithophilic black flies ( eusimulium latipes) attacking buzzard nestlings ( buteo buteo). parasites formed plugs and rosettes in the hindgut of the vector and were attached on the cuticular lining of the black fly anterior intestine (ileum) by hemidesmosome-like plaques. hindgut stages from infected black flies were experimentally transmitted into canaries ( serinus canaria) by ingestion of vectors and by contamination of host conj ... | 2004 | 14652745 |
| mitochondrial control region diversity of the houbara bustard chlamydotis undulata complex and genetic structure along the atlantic seaboard of north africa. | the houbara bustard, chlamydotis undulata, is a declining cryptic desert bird whose range extends from north africa to central asia. three subspecies are currently recognized by geographical distribution and morphology: c.u.fuertaventurae, c.u.undulata and c.u.macqueenii. we have sequenced 854 bp of mitochondrial control region from 73 birds to describe their population genetic structure with a particular sampling focus on the connectivity between c.u.fuertaventurae and c.u.undulata along the at ... | 2004 | 14653787 |
| finite-frequency tomography reveals a variety of plumes in the mantle. | we present tomographic evidence for the existence of deep-mantle thermal convection plumes. p-wave velocity images show at least six well-resolved plumes that extend into the lowermost mantle: ascension, azores, canary, easter, samoa, and tahiti. other less well-resolved plumes, including hawaii, may also reach the lowermost mantle. we also see several plumes that are mostly confined to the upper mantle, suggesting that convection may be partially separated into two depth regimes. all of the obs ... | 2004 | 14657505 |
| content of aliphatic hydrocarbons in limpets as a new way for classification of species using artificial neural networks. | it is demonstrated that biological species like limpets can be classified according to their level of n-alkanes when artificial neural networks are applied. marine intertidal and subtidal limpets of the canary islands (spain), patella piperata, patella candei crenata and patella ulyssiponensis aspera were selected as bioindicator organisms. samples were collected at four stations on the coasts of fuerteventura. concentration of n-alkanes in the soft tissues of the limpets has been determined by ... | 2004 | 14664834 |
| multiple disturbances accelerate invasion of reed canary grass (phalaris arundinaceal.) in a mesocosm study. | disturbances that intensify with agriculture and/or urban development are thought to promote the spread of invasive plants, such as the clonal perennial reed canary grass (phalaris arundinaceal). to test this relationship and interactions among disturbances, we subjected wet prairie assemblages within 1.1 m(2) mesocosms to invasion by phalaris and addition of nutrients, sediments, and flooding. species richness decreased with the application of sediments and/or flooding of 4 consecutive weeks or ... | 2004 | 14669006 |
| plant-insect interactions: double-dating associated insect and plant lineages reveals asynchronous radiations. | an increasing number of plant-insect studies using phylogenetic analysis suggest that cospeciation events are rare in plant-insect systems. instead, nonrandom patterns of phylogenetic congruence are produced by phylogenetically conserved host switching (to related plants) or tracking of particular resources or traits (e.g., chemical). the dominance of host switching in many phytophagous insect groups may make the detection of genuine cospeciation events difficult. one important test of putative ... | 2004 | 14965907 |
| intestinal candidiasis in a loggerhead sea turtle (caretta caretta): an immunohistochemical study. | post mortem examination of a juvenile loggerhead sea turtle (caretta caretta) stranded in the canary islands revealed a fishing-line in the small intestine. histologically, severe necrotic enteritis, multiple haemorrhages, and marked oedema of the intestinal submucosa were observed. yeast cells and fungal hyphae were seen in the lamina propria of the intestinal mucosa and in the connective tissue of the submucosa. because fungal cultures were not taken at the time of necropsy, an immunohistochem ... | 2004 | 14975396 |
| phylogenetic relationships in bupleurum (apiaceae) based on nuclear ribosomal dna its sequence data. | the genus bupleurum has long been recognized as a natural group, but its infrageneric classification is controversial and has not yet been studied in the light of sequence data. | 2004 | 14980972 |
| cpr for the canary. | 2004 | 14984531 | |
| allozyme variation of oleaster populations (wild olive tree) (olea europaea l.) in the mediterranean basin. | as a result of the early domestication and extensive cultivation of the olive tree throughout the mediterranean basin, the wild-looking forms of olive (oleasters) presently observed constitute a complex, potentially ranging from wild to feral forms. allozyme variation was analysed at 10 loci in 31 large and 44 small oleaster populations distributed in various habitats of the mediterranean basin and in two populations of the wild subspecies olea europaea subsp (ssp) guanchica, endemic to the cana ... | 2004 | 14985782 |
| content of free phenolic compounds in cultivars of potatoes harvested in tenerife (canary islands). | determination of free phenolic compounds in potato samples was optimized using a high-performance liquid chromatographic (hplc) method with on-line diode array detection. this method was applied to samples of four cultivars of potatoes harvested in tenerife (canary islands). the free phenolic compounds found in the potato samples were (+)-catechin, chlorogenic acid, caffeic acid, p-coumaric acid, and ferulic acid. potato samples belonging to colorada cultivar, ssp. andigena, had mean concentrati ... | 2004 | 14995140 |
| timing of brain-derived neurotrophic factor exposure affects life expectancy of new neurons. | the high vocal center (hvc) of adult male canaries, serinus canaria, is necessary for the production of learned song. new neurons are added to hvc every day, where they replace older neurons that have died, but the length of their survival depends on the time of year when they are born. a great number of hvc neurons born in the fall, when adult canaries learn a new song, are still present 8 mo later, when this song is used during the breeding season. by contrast, most of the neurons born in hvc ... | 2004 | 15004273 |
| complex estimates of evolutionary relationships in tarentola mauritanica (reptilia: gekkonidae) derived from mitochondrial dna sequences. | mitochondrial dna (12s rrna, 16s rrna) sequences were analysed within tarentola mauritanica and other selected species of tarentola. several highly genetically distinct lineages occur in north africa, revealing phylogroups in southern and central morocco, northern morocco, algeria, tunisia, and libya. a single haplotype characterizes populations across spain, portugal, italy, menorca, crete, and tunisia raising the possibility of an anthropogenic introduction followed by rapid population expansi ... | 2004 | 15012965 |
| hepatic lesions in cetaceans stranded in the canary islands. | this article describes the gross, histopathologic, and ultrastructural findings of the livers of cetaceans stranded on the coast of the canary islands between 1992 and 2000. a total of 135 cetaceans were included in the study, among which 25 were common dolphins (delphinus delphis), 23 atlantic spotted dolphins (stenella frontalis), 19 striped dolphins (stenella coeruleoalba), and 15 other species of dolphins and whales. the most common lesion observed in these animals was a nonspecific chronic ... | 2004 | 15017028 |
| experience with cyclosporine in the canary islands. | cyclosporine (csa) is currently the basis of most immunosuppressive protocols after solid organ transplantation. the introduction of neoral, a new microemulsion formulation of csa, and more recently a range of adjunctive immunosuppressants have further enhanced short-term efficacy and tolerability of csa-based immunosuppression. in addition, neoral c2 monitoring has been shown to have advantages not only in the early posttransplant period, but also for maintenance transplant patients. the major ... | 2004 | 15041320 |
| novel meroditerpenes from the brown alga cystoseira sp. | five new meroditerpenes have been isolated from a brown alga of the genus cystoseira collected around the canary islands. one, cystoseirone diacetate (3), possesses a new rearranged structure with an unusual ether linkage in the diterpene side chain. its biogenetic origin was explained as derived from the oxidation of amentol chromane diacetate (2) and subsequent cyclization. structures were determined through the interpretation of the spectral data and by means of chemical transformations. the ... | 2004 | 15043443 |
| bioremediation process for sediments contaminated by heavy metals: feasibility study on a pilot scale. | the core stages of a sediment remediation process--the conditioning of dredged sludge by plants and the solid-bed leaching of heavy metals using microbially produced sulfuric acid--were tested on a pilot scale using a highly polluted river sediment. conditioning was performed in 50 m3 basins at sludge depths of 1.8 m. during one vegetation period the anoxic sludge turned into a soil-like oxic material and became very permeable to water. reed canary grass (phalaris arundinacea) was found to be be ... | 2004 | 15046363 |
| female canaries produce eggs with greater amounts of testosterone when exposed to preferred male song. | male birdsong has a great influence in the stimulation of female reproduction. however, female physiological responsiveness to song may depend on the degree of complexity of male song. this is expected because females of iteroparous organisms may increase their fitness by matching their reproductive investment to the predicted value of each reproductive attempt. to the extent that the expression of male ornaments is a signal of male quality, we expect females to increase their investment when pa ... | 2004 | 14733893 |
| phytophotolysis of hexahydro-1,3,5-trinitro-1,3,5-triazine (rdx) in leaves of reed canary grass. | hexahydro-1,3,5-trinitro-1,3,5-triazine (rdx) was degraded in reed canary grass leaves exposed to simulated sunlight to primary products nitrous oxide and 4-nitro-2,4-diazabutanal. this is the first time that 4-nitro-2,4-diazabutanal, a potentially toxic degradate, has been measured in plant tissues following phytotransformation of rdx. these compounds, along with nitrite and formaldehyde, were also detected in aqueous rdx systems exposed to the same simulated sunlight. results showed that the i ... | 2004 | 14740749 |
| raman spectroscopic analysis of dragon's blood resins-basis for distinguishing between dracaena(convallariaceae), daemonorops(palmae) and croton(euphorbiaceae). | "dragon[prime or minute]s blood" is the name applied to the deep-red coloured resin obtained from various plants. the original source in roman times, used by many cultures and esteemed for its depth of colour and mystical association, was the dragon tree dracaena cinnabari(convallariaceae), found only on the indian ocean island of socotra, (yemen). additional sources emerged later, including another species of dracaena, d. draco, from the canary islands and madeira, and species in the genera dae ... | 2004 | 14752556 |
| tumour spectrum of non-polyposis colorectal cancer (lynch syndrome) on the island of tenerife and influence of insularity on the clinical manifestations. | colorectal cancer is a complex disease from a genetic point of view because both genetic and environmental factors interact in its development. only familial adenomatous polyposis (fap) follows mendelian genetics, in that mutations of the apc gene lead to development of the tumours. lynch syndrome is the most frequent form of hereditary colorectal cancer and appears to be associated with other types of extracolonic cancers. the genetic basis has been established as a defect in dna mismatch repai ... | 2004 | 15075785 |
| ancient mtdna analysis and the origin of the guanches. | the prehistoric colonisation of the canary islands by the guanches (native canarians) woke up great expectation about their origin, since the europeans conquest of the archipelago. here, we report mitochondrial dna analysis (hvri sequences and rflps) of aborigine remains around 1000 years old. the sequences retrieved show that the guanches possessed u6b1 lineages that are in the present day canarian population, but not in africans. in turn, u6b, the phylogenetically closest ancestor found in afr ... | 2004 | 14508507 |
| levels of particulate matter in rural, urban and industrial sites in spain. | this paper summarises the results of a series of studies on the interpretation of time series of levels of total suspended particles (tsp) and particulate matter (pm, <10 microm) in six regions of spain in the period 1996-2000. in addition to the local pollution events, high pm10 episodes are recorded during african dust outbreaks, regional atmospheric recirculation events (mainly in spring to autumn), and to a lesser extent, under the influence of european and mediterranean long range transport ... | 2004 | 15504522 |
| tissue distribution of metals in loggerhead turtles (caretta caretta) stranded in the canary islands, spain. | 2004 | 15530530 | |
| the burden of severe varicella in spain, 1995--2000 period. | population-based estimates of hospitalization rates for varicella provide data of the severe and costly end of this disease. | 2004 | 15461202 |
| comparative haematology and blood chemistry of endangered lizards (gallotia species) in the canary islands. | blood samples were taken from the ventral coccygeal vein of 15 el hierro giant lizards (gallotia simonyi) (seven females and eight males), six la gomera giant lizards (gallotia bravoana) (four males and two females) and four tenerife giant lizards (gallotia intermedia) (two males and two females), and 31 blood parameters were measured. among the haematological parameters there were significant differences between the three species in heterophils, azurophils and lymphocytes, but no significant di ... | 2004 | 15461364 |
| pharmacological activities of some argyranthemum species growing in the canary islands. | methanolic extracts of eight subspecies of genus argyranthemum were evaluated against brine shrimps, human cancer cell lines, malarial parasites and microorganisms under in vitro conditions. in the shrimp assay, samples of a. adauctum ssp. adauctum, a. adauctum ssp. erythrocarpon and a. frutetescens ssp. succulentum were active with ed50 values in the range of around 300 to 360 microg/ml. in the caco-2, hepg2 and mcf-7 cell lines, the samples a. adauctum ssp. jacobaeifolium and a. adauctum ssp. ... | 2004 | 15478196 |
| the precedence effect in three species of birds (melopsittacus undulatus, serinus canaria, and taeniopygia guttata). | the perceived locations of paired auditory images, simulating direct sounds and their echoes, have been recently studied in budgerigars (melopsittacus undulatus; m. l. dent & r. j. dooling, 2003a, 2003b). in this article, the authors extend those experiments to include measurements of the precedence effect using a discrimination paradigm in two additional bird species: canaries (serinus canaria) and zebra finches (taeniopygia guttata). although time courses of summing localization, localization ... | 2004 | 15482060 |
| leptin and altitude in the cardiovascular diseases. | the lower mortality from coronary ischemic disease in populations living at high altitude has been related to an increase of high-density lipoprotein (hdl)-cholesterol at altitude. leptin has been proposed as a cardiovascular risk factor. we investigated whether leptin varies according to the altitude at which people live. | 2004 | 15483214 |
| parasites of columba livia (aves: columbiformes) in tenerife (canary islands) and their role in the conservation biology of the laurel pigeons. | the prevalence and intensity of the parasites from 50 wild doves (columba livia) from the city of santa cruz de tenerife, in the island of tenerife (canary archipelago), were studied. the following ectoparasites were found in apparently healthy pigeons (prevalences are shown in percentage (%) and mean intensities with their standard deviations): the acari dermanyssus gallinae (de geer, 1778) (6, 241.0 +/- 138.9) and tinaminyssus melloi fain, 1962 (10%, 218.3 +/- 117.3); the louses, columbicola c ... | 2004 | 15490756 |
| are both sympatric species ilex perado and ilex canariensis secretly hybridizing? indication from nuclear markers collected in tenerife. | intra-specific and intra-individual polymorphism is frequently observed in nuclear markers of ilex (aquifoliaceae) and discrepancy between plastid and nuclear phylogenies is the rule in this genus. these observations suggest that inter-specific plastid or/and nuclear introgression played an important role in the process of evolution of ilex. with the aim of a precise understanding of the evolution of this genus, two distantly related sympatric species collected in tenerife (canary islands), i. p ... | 2004 | 15550175 |