| phylogeographic patterns of mtdna reflecting the colonization of the canary islands. | although the canary islands were settled by humans, possibly of berber origin, as late as 2500 years ago, the precise course and numbers of early migrations to the archipelago remain controversial. we have therefore analysed mtdna variation (hvs-i as well as selected rflp sites) in 300 individuals from the seven canary islands. the distribution and variation across the islands in a specific mtdna clade of northwest african ancestry suggest that there was one dominant initial settlement process t ... | 1999 | 10735583 |
| sex determination by discriminant function analysis of the right tibia in the prehispanic population of the canary islands. | this study has been performed in order to define standards usable to determine the sex of prehispanic individuals from the canary islands from their skeletal remains. osteometric information at the right tibia was obtained from 59 complete skeletons from gran canaria, housed in the museo canario (las palmas), 45 males and 14 females (this constitutes the totality of complete prehispanic skeletons known from gran canaria). the parameters measured were: tibial length, proximal and distal epiphysea ... | 2000 | 10737463 |
| neither endocochlear potential nor tegmentum vasculosum are affected in hearing impaired belgian waterslager canaries. | we previously showed that the belgian waterslager canary strain is affected by a hereditary hearing loss that is associated with a reduced number of hair cells and hair cell pathologies in the basilar papilla. since hair cell pathologies were also present in the sacculus, weisleder et al. (1994) suggested that these birds are afflicted by scheibe's like dysplasia, a cochleo-saccular defect. in mammals, cochleo-saccular defects are characterized primarily by the lack of an endocochlear potential ... | 2000 | 10748328 |
| high density lipoprotein cholesterol increases with living altitude. | the relationship between high density lipoprotein cholesterol (hdl) serum level and the altitude at which people live is controversial. | 2000 | 10750605 |
| separation of polyphenols in canary islands wine by capillary zone electrophoresis without preconcentration. | a method for separation and determination of polyphenols in wine by capillary zone electrophoresis (cze) without any preconcentration step is described. the sensitivity and limits of detection for gentisic and p-coumaric acid are better than those previously published. the effect of a possible c18 solid-phase extraction prior to the cze analysis was examined. the developed optimized method (without any extraction step) was applied to the analysis of wines from tenerife, canary islands. | 2000 | 10768505 |
| management of cold agglutination syndrome. | cold haemagglutination syndrome is difficult to treat. fortunately it seldom needs treating. in most cases cold agglutinins are an incidental finding representing either normality or a benign chronic monoclonal gammopathy that does not cause ill health. two sorts of symptoms are likely in the more severe cases. acrocyanosis is usually treated by keeping the patient warm and if necessary removing him or her to florida or the canary islands. in the rare cases of haemolytic anaemia, an underlying l ... | 2000 | 10771400 |
| long-distance colonization and radiation in gekkonid lizards, tarentola (reptilia: gekkonidae), revealed by mitochondrial dna sequences. | morphological systematics makes it clear that many non-volant animal groups have undergone extensive transmarine dispersal with subsequent radiation in new, often island, areas. however, details of such events are often lacking. here we use partial dna sequences derived from the mitochondrial cytochrome b and 12s rrna genes (up to 684 and 320 bp, respectively) to trace migration and speciation in tarentola geckos, a primarily north african clade which has invaded many of the warmer islands in th ... | 2000 | 10821607 |
| camel trypanosomosis in the canary islands: assessment of seroprevalence and infection rates using the card agglutination test (catt/t. evansi) and parasite detection tests. | trypanosomosis due to trypanosoma evansi (surra) is a major enzootic disease of the dromedary camel. thus, the purpose of the present study was to assess seroprevalence and infection rates in the canary islands using antibody(-card agglutination test-catt/t. evansi) and parasite detection tests (micro-haematocrit centrifugation technique, giemsa stained blood smears, microscopic examination of lymph node aspirates and mouse inoculation). pcv was also determined. 745 dromedary camels (483 females ... | 2000 | 10828522 |
| victims of violence in an emergency department. | the aim of this study was to identify the risk profile of the victims of violent accidents. during 1997, we studied 1100 patients suffering from injuries produced by violent actions and treated in the emergency department of the largest teaching hospital in the canary islands, spain. seventy per cent of the patients were male and 30% were female. the mean age was 28 and 30 years, respectively. in the distribution by age, the main group was that between 18 and 36 years. seventy-five per cent of v ... | 2000 | 10839379 |
| helicopter emergency medical service in canary islands, spain. | this is a report on our first 2 years' experience of operating a helicopter emergency medical service in the canary islands, spain. the two advanced life-support helicopters are staffed full time by a physician and a nurse. for the transport protocol, inter-hospital transport patients (secondary missions) were classified into three groups: group a, minor illnesses or injuries; group b, modified or middle critical condition; and group c, critical condition. on-scene patients (primary missions) we ... | 2000 | 10839381 |
| a study on ten short tandem repeat systems: african immigrant and spanish population data. | this work presents the results obtained from a genetic-population study for the d1s1656 system in the population of southwest spain (huelva, cádiz and sevilla), spaniards of caucasian origin from north africa (ceuta), as well as in the black central west african and moroccan immigrant populations in spain. the results of a study of the autochtonous population of the canary islands (n=138), and immigrant central west african populations in spain (n=132), obtained for nine short tandem repeat (str ... | 2000 | 10842028 |
| seasonal expression of androgen receptors, estrogen receptors, and aromatase in the canary brain in relation to circulating androgens and estrogens. | songbirds have a complex neural network for learning and production of song, namely the neural song system. several nuclei of the song system contain androgen receptors (ar), and the neostriatal nucleus hvc also contains alpha type estrogen receptors (er). many songbird species show seasonal changes in both song and the neural song system that are correlated with seasonal variations in the circulating levels of gonadal steroids. however, there is increasing evidence that the sensitivity of the s ... | 2000 | 10842238 |
| [the registered population and its characteristics as adjustment element for individualized pharmacy budget allocation]. | to find an equation that can calculate quality reference standards on the sum expected per doctor, adjusted for the size of his/her list, his/her characteristics and patients included in chronically ill services. this objective is posed within a strategy of individualizing information and evaluation as a tool to promote improvement. | 2000 | 10853505 |
| [phenol compounds from brown algae and their antioxidant activity]. | the composition and content of phenolic substances were studied in 14 species of marine brown algae of the canary islands littoral (spain). the highest content of phenolic substances was found in cystoseira compressia and sargassum furcatum. a high antioxidant activity was found in florotannin isolated from cystoseira sp. | 2000 | 10867955 |
| pilot study of a dual gene recombinant avipox vaccine containing both carcinoembryonic antigen (cea) and b7.1 transgenes in patients with recurrent cea-expressing adenocarcinomas. | coordinated presentation of antigen and costimulatory molecules has been shown to result in the induction of an antigen-specific t-cell response rather than the development of anergy. this study evaluated the vaccine alvac-cea b7.1, a canary pox virus that has been engineered to encode the gene for the tumor-associated antigen carcinoembryonic antigen (cea) and b7.1, a t-cell costimulatory molecule. patients with cea-expressing tumors were immunized with 2.5 x 10(7) (n = 3), 1.0 x 10(8) (n = 6), ... | 2000 | 10873071 |
| diagnosis of atoxoplasmosis in a canary (serinus canarius) by histopathologic and ultrastructural examination. | our paper describes pathologic and ultrastructural features of a canary (serinus canarius) infected by atoxoplasma sp. histologically, numerous mononuclear cells were observed in intestinal mucosa, liver, and spleen. most of these cells contained a variable number of protozoal-like organisms. these organisms were identified as atoxoplasma sp. by ultrastructural examination of reprocessed paraffin-embedded tissues. | 2000 | 10879930 |
| sexually stimulating signals of canary (serinus canaria) songs: evidence for a female-specific auditory representation in the hvc nucleus during the breeding season. | during the breeding season under long-day conditions, male canaries sing sexually attractive songs and females respond behaviorally to such songs. this study assessed whether auditory response properties of neurons in nucleus hvc of female and male canaries are tuned to sexually salient song features: special song phrases and canary song segmentation. in sexually receptive female canaries, neurons responded to special song phrases with a decreased spike rate and were sensitive to canary song seg ... | 2000 | 10883803 |
| the colonization history of olea europaea l. in macaronesia based on internal transcribed spacer 1 (its-1) sequences, randomly amplified polymorphic dnas (rapd), and intersimple sequence repeats (issr). | phylogenetic relationships in the olea europaea complex and the phylogeography of 24 populations of the macaronesian olive (o. europaea ssp. cerasiformis) were assessed by using three molecular markers: nuclear ribosomal internal transcribed spacer 1 (its-1) sequences, randomly amplified polymorphic dnas (rapd), and intersimple sequence repeats (issr). parsimony analysis of the its-1 sequences and neighbour-joining (nj) analyses of rapd and issr banding variation revealed four major lineages in ... | 2000 | 10886649 |
| a relationship between behavior, neurotrophin expression, and new neuron survival. | the high vocal center (hvc) controls song production in songbirds and sends a projection to the robust nucleus of the archistriatum (ra) of the descending vocal pathway. hvc receives new neurons in adulthood. most of the new neurons project to ra and replace other neurons of the same kind. we show here that singing enhances mrna and protein expression of brain-derived neurotrophic factor (bdnf) in the hvc of adult male canaries, serinus canaria. the increased bdnf expression is proportional to t ... | 2000 | 10890902 |
| spectral tuning of avian violet- and ultraviolet-sensitive visual pigments. | the violet- and ultraviolet-sensitive visual pigments of birds belong to the same class of pigments as the violet-sensitive (so-called blue) pigments of mammals. however, unlike the pigments from mammals and other vertebrate taxa which, depending on species, have lambda(max) values of either around 430 nm or around 370 nm, avian pigments are found with lambda(max) values spread across this range. in this paper, we present the sequences of two pigments isolated from humbolt penguin and pigeon wit ... | 2000 | 10891069 |
| plant genetic diversity in the canary islands: a conservation perspective. | the canary islands are an atlantic volcanic archipelago with a rich flora of approximately 570 endemic species. the endemics represent approximately 40% of the native flora of the islands, and approximately 20% of the endemics are in the e (endangered) category of the international union for conservation of nature. a review of allozyme variation in 69 endemic species belonging to 18 genera and eight families is presented. the average species-level genetic diversity (h(t)) at allozyme loci is 0.1 ... | 2000 | 10898768 |
| [incidence of type 1 diabetes mellitus in the canary islands (1995-1996). epidemiologic group of the canary society of endocrinology and nutrition]. | to prospectively evaluate the incidence of type 1 diabetes mellitus in patients up to 30 years of age in the canary islands during 1995 and 1996. | 2000 | 10901003 |
| its1 region of the nuclear ribosomal dna of the mycoparasite pythium periplocum, its taxonomy, and its comparison with related species. | pythium periplocum drechsler was isolated from some soil samples taken in the botanical garden of tenerife, canary islands. this fungus has been found to be an aggressive mycoparasite of botrytis cinerea. it is unique amongst the members of the genus pythium because of the character combination of inflated filamentous type of sporangia and ornamented oogonia. the taxonomic description of this fungus and its comparison with related species, together with the polymerase chain reaction of the inter ... | 2000 | 10913866 |
| highly 1,2-trans stereoselective allylations of 1,2-o-isopropylidene-protected glycofuranosides this work was supported by the canary islands consejería de educación y ciencia (pi1998/109), the spanish comisión interministerial de ciencia y tecnología (pb98-0443-c02-02), and the feder (1sd97-0747-c04-01). | | 2000 | 10934407 |
| colonization and diversification of the species brachyderes rugatus (coleoptera) on the canary islands: evidence from mitochondrial dna coii gene sequences. | the genus brachyderes schönherr (coleoptera: curculionidae) is represented by the species b. rugatus wollaston on the canary islands, with one subspecies on each of the islands of gran canaria, tenerife, la palma, and el hierro. these four subspecies are associated with the endemic pine tree pinus canariensis, and their distributions are broadly coincident. eighty-eight individual canarian brachyderes, sampled from across the distributions of each subspecies, have been sequenced for 570 bp of th ... | 2000 | 10937264 |
| cd154 polymorphism in spanish populations. differences in the allelic distribution between canary islanders and peninsulars. | the cd154 gene contains a dinucleotide repeat (ca)n in the 3' untranslated region. allelic distribution in spanish populations from two areas with different genetic background, the canary islands and peninsula, are described. seven alleles with different allelic distribution between the two groups, were found. this represents a highly polymorphic marker, useful for genetic studies on a critical molecule in immunity. | 2000 | 10940082 |
| mitochondrial dna evolution and population history of the tenerife skink chalcides viridanus. | recent studies of island lizards have suggested that historical vicariance as a result of volcanism may have played an important role in shaping patterns of within-island genetic diversity. the skink, chalcides viridanus, shows variation in morphology within the volcanic island of tenerife. two mitochondrial dna (mtdna) fragments (from the 12s and 16s rrna regions) were sequenced in individuals from 17 sites to evaluate the relationship between current phylogeography and the geological history o ... | 2000 | 10964225 |
| progesterone inhibits female courtship behavior in domestic canaries (serinus canaria). | we studied copulation solicitation display (csd) responses to playback in photostimulated female canaries given systemic injections of progesterone. eight females received injections of 0.1 mg of progesterone dissolved in olive oil during their first breeding cycle and were untreated during their second breeding cycle; eight females received only the oil vehicle during their first breeding cycle and received no treatment during their second breeding cycle. the injections were performed every sec ... | 2000 | 10964526 |
| phylogeography and natural selection in the tenerife gecko tarentola delalandii: testing historical and adaptive hypotheses. | combining phylogeographic and matrix correspondence approaches in the analysis of geographical variation provides a fruitful approach to inferring the causes of molecular and morphological evolution within species. here we present a study on the gecko tarentola delalandii on the island of tenerife, canary islands, which provides an outstanding model of an exceptionally high degree of phylogeographic differentiation in magnitude and pattern on a small spatial scale. we reconstruct the population ... | 2000 | 10972761 |
| mitochondrial dna control region diversity in the endangered blue chaffinch, fringilla teydea. | the blue chaffinch (fringilla teydea) is found only on the two central canary islands of gran canaria and tenerife, where it is restricted to pine forest habitat. it is reasonably abundant on the latter island but endangered on the former. here, sequence variation was studied in a fragment spanning domains i and ii of the mitochondrial dna (mtdna) control region. phylogenetic analysis of all haplotypes with a f. coelebs outgroup indicated the two island populations were reciprocally monophyletic ... | 2000 | 10972781 |
| yolk androgens reduce offspring survival. | females may favour some offspring over others by differential deposition of yolk hormones. in american kestrels (falco sparverius), we found that yolks of eggs laid late in the sequence of a clutch had more testosterone (t) and androstenedione (a4) than yolks of first-laid eggs. to investigate the effects of these yolk androgens on nestling 'fitness', we injected both t and a4 into the yolks of first-laid eggs and compared their hatching time, nestling growth and nestling survival with those of ... | 2000 | 10983830 |
| erratum: velasco-vazquez j, gonzalez-reimers e, arnay-de-la-rosa m, barros-lopez m, martin-rodriguez e, santolaria-fernandez f. 1999. bone histology of prehistoric inhabitants of the canary islands: comparison between el hierro and gran canaria. am j phys anthropol 110:201-213 | the legend for fig. 6 should read "collective silos ("cenobio de valeron," gran canaria)." instead of "collective silos ("cueva del rey," tejeda, gran canaria)." | 2000 | 11002211 |
| nutrition and energetics of the canary (serinus canarius). | canaries appear to be primarily seed-eaters, although there are no reports of their feeding ecology in the wild. in captivity, they are offered seed-based diets, preferring to consume seeds such as canary, rapeseed and millet. the mean daily dry-matter intake ranges from 3 to 4 g, which corresponds to a mean gross energy intake of approximately 70 kj per bird per day. the efficiency of dietary metabolism is high (0.85), which equates to individual metabolizable energy intakes of 45-75 kj per bir ... | 2000 | 11007169 |
| seroprevalence of trypanosoma evansi in dromedaries (camelus dromedarius) from the canary islands (spain) using an antibody ab-elisa. | after the description in grand canary island of a case of dromedary trypanosomosis caused by trypanosoma evansi in 1998, an indirect enzyme immunoassay for the detection of specific anti-t. evansi igg (ab-elisa) was used to assess the seroprevalence of this disease on the canary islands. seroprevalence was 9.0% in the four studied islands (gran canaria, tenerife, lanzarote and fuerteventura), varying from 10.0 to 7.5% by island (not significantly different). prevalence using ab-elisa was higher ... | 1999 | 11018734 |
| canary to sparrow; what is in a name? | | 2000 | 11026898 |
| assessment of intestinal tissue oxygenation: the canary sings--but was does the twitter tell us? | | 2000 | 11030157 |
| [survey of carriers of neisseria meningitidis in the health area of gran canary]. | a) to ascertain the rate of carriers and the types of neisseria meningitidis circulating in the population resident in the health jurisdiction of gran canaria. b) to ascertain the pattern of distribution of such carriers. | 2000 | 11031852 |
| stress in the brain. | part i (first section) reports about research in the period 1964-1976, when the seminal observations were made on which today's concept of corticosteroid action on the brain is based. these key observations concern the discovery of nuclear corticosterone receptors in the limbic brain that mediate control over neuronal circuits underlying hypothalamic-pituitary-adrenal activity and behavioural adaptation. part ii (second section) covers the period of 1977-1989. it is about some aspects of the neu ... | 2000 | 11033326 |
| glucose-6-phosphate dehydrogenase mutations and haplotypes in mexican mestizos. | in a screening for glucose-6-phosphate dehydrogenase (g-6-pd) deficiency in 1985 unrelated male subjects from the general population (groups a and b) belonging to four states of the pacific coast, 21 g-6-pd-deficient subjects were detected. screening for mutations at the g-6-pd gene by pcr-restriction enzyme in these 21 g-6-pd-deficient subjects as well as in 14 g-6-pd-deficient patients with hemolytic anemia belonging to several states of mexico showed two common g-6-pd variants: g-6-pd a-(202a ... | 2000 | 11042039 |
| p,p'-dde residues in eggs of european kestrel falco tinnunculus from tenerife, canary islands, spain. | | 2000 | 11080359 |
| historical biogeography in a linear system: genetic variation of sea rocket (cakile maritima) and sea holly (eryngium maritimum) along european coasts. | the exclusively coastal cakile maritima and eryngium maritimum represent a linear biogeographical system. genetic variation among 25 individuals of c. maritima and 16 individuals of e. maritimum, from the coasts of europe, north africa and the canary islands, was analysed using random amplified polymorphic dnas (rapds) and intersimple sequence repeats (issrs). genetic distances (dice) were calculated and used to investigate the correlation between genetic and geographical distances, to construct ... | 2000 | 11091318 |
| highly polymorphic microsatellites in the lacertid gallotia galloti from the western canary islands. | | 2000 | 11091329 |
| high prevalence of the very rare wilson disease gene mutation leu708pro in the island of gran canaria (canary islands, spain): a genetic and clinical study. | the molecular basis of wilson disease (wd), an autosomal recessive disorder, is the presence of mutations in the atp7b gene, a copper transporting atpase. hospital records indicated a higher prevalence of wd (1 in 2,600) in some counties in the northeastern region of the island of gran canaria (canary islands, spain) that was around 10-fold higher than that described for european populations (1 in 30,000). the atp7b gene was analyzed for mutations in 24 affected subjects, revealing a high preval ... | 2000 | 11093740 |
| [dragon's blood. a glance into the history of pharmacognosy]. | dragon's blood, a red resin, which is often used as a dry powdered "herbal" remedy in traditional medicine, has different origins which are briefly discussed. this contribution however focuses on the species of the genus dracaena vand ex l., belonging to the agavaceae and native to the old world and the canary islands. h.j.n. crantz, a botanist and medical doctor turned pharmacologist (born in 1722 near luxembourg), had published a brief and very uncommon treatise on this group of plants, which ... | 1999 | 11100169 |
| restriction fragment length polymorphism analysis of 16s rdna and low molecular weight rna profiling of rhizobial isolates from shrubby legumes endemic to the canary islands. | thirty-six strains of slow-growing rhizobia isolated from nodules of four woody legumes endemic to the canary islands were characterised by 16s rdna pcr-rflp analyses (ardra) and lmw rna profiling, and compared with reference strains representing bradyrhizobium japonicum, b. elkanii, b. liaoningense, and two unclassified bradyrhizobium sp. (lupinus) strains. both techniques showed similar results, indicating the existence of three genotypes among the canarian isolates. analysis of the combined r ... | 2000 | 11108022 |
| elispot assay for detection of peptide specific interferon-gamma secreting cells in rhesus macaques. | a reliable procedure to measure antigen specific t cell responses in rhesus macaques is required to determine the efficacy of vaccines and immunotherapies. the currently available t cell assays are poorly quantifiable or technically difficult to perform. classical 51cr-release cytotoxic t cell (ctl) assays are cumbersome and difficult to quantitate reproducibly. detection of specific t-cell using mhc-peptide tetrameric complexes is highly sensitive, but requires knowledge of mhc type and prior i ... | 2001 | 11150536 |
| on site photosynthetic performance of atlantic green algae. | photosynthetic performance was measured on site in four common atlantic green algae, asparagopsis taxiforme, valonia utricularia, caulerpa racemosa and codium taylori, in gran canaria, canary islands. the photosynthetic quantum yield was determined with a portable pam instrument and with a diving pam in the water column. solar radiation was measured continuously above and in the water column by means of two three-channel dosimeters, eldonet (real time computer, möhrendorf, germany), in the uv-a, ... | 2000 | 11154082 |
| origin and evolution of the endemic genera of gonosperminae (asteraceae: anthemideae) from the canary islands: evidence from nucleotide sequences of the internal transcribed spacers of the nuclear ribosomal dna. | the gonosperminae (asteraceae) are composed of three genera endemic to the canary islands (gonospermum: less., and lugoa: dc.) and southern africa (inulanthera: källersjö), and they are considered an example of a floristic link between these two regions. phylogenetic analyses of its sequences reveal that the canarian genera are not sister to inulanthera: and do not support the monophyly of the gonosperminae. these results, coupled with previous phylogenetic studies of other groups, suggest that ... | 2001 | 11159136 |
| brassinosteroid levels increase drastically prior to morphogenesis of tracheary elements. | as the first step toward understanding the involvement of endogenous brassinosteroids (brs) in cytodifferentiation, we analyzed biosynthetic activities of brs in zinnia (zinnia elegans l. cv canary bird) cells differentiating into tracheary elements. the results of feeding experiments suggested that both the early and late c6-oxidation pathways occur during tracheary element differentiation. gas chromatography-mass spectrometry analysis revealed that five brs, castasterone, typhasterol, 6-deoxoc ... | 2001 | 11161013 |
| photosynthetic performance of the atlantic brown macroalgae, cystoseira abies-marina, dictyota dichotoma and sargassum vulgare, measured in gran canaria on site. | photosynthetic performance was determined in three common atlantic brown macroalgae, cystoseira abies-marina, dictyota dichotoma and sargassum vulgare, in gran canaria, canary islands, on site. the photosynthetic quantum yield was measured with both a portable pam instrument on site and a diving pam under water in the habitat. in parallel, solar radiation was measured continuously above and under water by means of two three-channel dosimeters, eldonet (real time computer, möhrendorf, germany), i ... | 2001 | 11165628 |
| il4-r1 (5q31-q33) and fcepsilonri-betaca (11q13) markers and atopy: a case/control study in a spanish population. | rhinoconjunctivitis and bronchial asthma are atopic diseases with a high prevalence in the canary islands (spain). given that the most prevalent allergen is the house-dust mite dermatophagoides pteronyssinus, early detection of genetically susceptible subjects would allow the application of preventive measures. the objective was to investigate the possible association of il4-r1 (chromosome 5q31-q33) and fcepsilonri-betaca (chromosome 11q13) markers with the atopic disease in our population. | 2001 | 11167377 |
| [travellers to high-risk areas actively seek information on health hazards. a questionnaire study among swedish charter tourists]. | in order to study attitudes to travel-associated risks and adherence to advice, we sent a questionnaire to 2 x 2000 swedish charter tourists who traveled to the canary islands, south east asia or gambia. methods: questionnaires were answered either before the journey (n = 1249) or after return (n = 1223). results and conclusion: the travelers were usually well informed and followed the advice given. the opinion of the personnel who gave advice had a profound influence on which vaccines were take ... | 2000 | 11188038 |
| a new species of swingleus (monogenea: gyrodactylidae) from the mummichog fundulus heteroclitus, in the delaware bay. | swingleus ancistrus n. sp. (monogenea: gyrodactylidae) is described from the skin and fins of fundulus heteroclitus from canary creek marsh, lewes, delaware. subsequent records from new jersey, maryland, virginia, and north carolina are reported. swingleus ancistrus is differentiated from s. polyclithroides, the only other species of the genus, primarily by its size, haptoral morphology, host, and locality. swingleus ancistrus is larger in almost every dimension and exhibits a distinct notch on ... | 2000 | 11191894 |
| physiology and pathophysiology of alpha-synuclein. cell culture and transgenic animal models based on a parkinson's disease-associated protein. | the 15-20 kda synuclein (syn) phosphoproteins are abundantly expressed in nervous tissue. members of the family include alpha- and beta-syn, and the more distantly related gamma-syn and synoretin. syn genes have been identified in torpedo, canary, and several mammalian species, indicating an evolutionary conserved role. expression of alpha-syn was found to be modulated in situations of neuronal remodeling, namely, songbird learning and after target ablation of dopaminergic striatonigral neurons ... | 2000 | 11193173 |
| life cycle and parasitic interaction of the lizard-parasitizing mite ophionyssus galloticolus (acari: gamasida: macronyssidae), with remarks about the evolutionary consequences of parasitism in mites. | wild-caught specimens of the lacertid lizard gallotia galloti eisentrauti from the canary island of tenerife were checked for ectoparasites. the parasitic gamasid mite ophionyssus galloticolus fain and bannert (2000) was very abundant on these lizards. additionally, parasitism by larvae of two species of trombiculidae (prostigmata: parasitengona) was observed. o. galloticolus was reared in the laboratory on its natural host in order to investigate its life cycle, reproductive biology, and develo ... | 2000 | 11201353 |
| chemical fingerprinting applied to the evaluation of marine oil pollution in the coasts of canary islands (spain). | chemical fingerprinting approach to environmental assessment is illustrated in the evaluation of marine oil pollution in the coasts using two limpet species as bioindicator organisms, and based on profiles and concentrations of n-alkanes and aromatic hydrocarbons in their tissues. accidental and chronic releases of hydrocarbons can contaminate the marine environment of the canary islands not only because of their geographical situation but also because of the very dense tanker traffic around. th ... | 2001 | 11202721 |
| klippel-feil syndrome in the prehispanic population of el hierro (canary islands). | | 2001 | 11203718 |
| interpreting colonization of the calathus (coleoptera: carabidae) on the canary islands and madeira through the application of the parametric bootstrap. | the canary islands have proven to be an interesting archipelago for the phylogeographic study of colonization and diversification with a number of recent studies reporting evolutionary patterns and processes across a diversity of floral and faunal groups. the canary islands differ from the hawaiian and galapagos islands by their close proximity to a continental land mass, being 110 km from the northwestern coast of africa. this close proximity to a continent obviously increases the potential for ... | 2000 | 11209784 |
| paleonutritional analysis of the pre-hispanic population from fuerteventura (canary islands). | in this study, from histological and chemical perspectives, we analyse the human remains belonging to the pre-hispanic inhabitants from fuerteventura (one of the canary islands) and compare the results with those obtained on a sample of pre-hispanic inhabitants from gran canaria (canary islands). we observe that trabecular bone mass was normal in the samples from fuerteventura except for an elderly woman; this result is in sharp contrast with the decreased bone mass observed in the population fr ... | 2001 | 11213192 |
| [inheritance and prevalence of hypercalciuria in the children from the island of la gomera]. | the urinary elimination of calcium has been studies in 549 school children from the island of la gomera (canary islands) and in 100 children of a control group from the capital of the canaries, santa cruz de tenerife. the diet was not manipulated and it was proven that the water that they consumed was of characteristic equal. the 95th centile for the distribution of the calcium/creatinine index was 0.2 in the control group, we calculated the prevalence of hypercalciuria of this group (3.8%) and ... | 2000 | 11217645 |
| gastrointestinal tract resuscitation in critically ill patients. | particular research interest is currently focusing on the resuscitation of the gastrointestinal tract, because the gut is regarded to be both the "canary of the body", i.e. a sentinel organ during situations of compromised oxygen or substrate supply, as well as the "motor of multiple organ failure". several therapeutic strategies have recently been proposed for the resuscitation of this organ system, aimed primarily at the augmentation of blood flow and oxygenation but also integrating nutrition ... | 2001 | 11224658 |
| subcutaneous infection caused by dirofilaria repens imported to slovenia. | a case of human subcutaneous dirofilariasis is presented. a complete nematode removed from the tumour in the occipital region of a 61-year-old woman was identified, on the basis of its anatomical and histological characteristics, as a nongravid adult female of the species dirofilaria repens. the patient had probably been infected on the canary islands, spain, 7 months previously. in the future, the clinical and laboratory staff in slovenia will have to be more alert to the possibility of dirofil ... | 2001 | 11243759 |
| therapeutic vaccines against melanoma and colorectal cancer. | our overall strategy is to develop multivalent recombinant vaccines capable of eliciting broad immune responses in patients with malignant melanoma or colorectal cancer. we report herein results from initial studies conducted in cancer patients to evaluate the effect of intratumoral administration of recombinant canarypox viruses carrying cytokine genes. our current focus is on the induction of tumor-specific t-cell responses using a prime/boost immunization schedule with a unique vector system ... | 2001 | 11257394 |
| [immigration in the canary islands: a change in health problems]. | | 2000 | 11262360 |
| inferring admixture proportions from molecular data: extension to any number of parental populations. | the relative contribution of two parental populations to a hybrid group (the admixture proportions) can be estimated using not only the frequencies of different alleles, but also the degree of molecular divergence between them. in this paper, we extend this possibility to the case of any number of parental populations. the newly derived multiparental estimator is tested by monte carlo simulations and by generating artificial hybrid groups by pooling mtdna samples from human populations. the gene ... | 2001 | 11264419 |
| mitochondrial dna, ecology and morphology: interpreting the phylogeography of the nesotes (coleoptera: tenebrionidae) of gran canaria (canary islands). | the genus nesotes (coleoptera: tenebrionidae) is represented in the canary islands by 19 endemic species, the majority of which are single island endemics. nesotes conformis and n. fusculus are described on four and three islands, respectively, but each forms a paraphyletic assemblage between gran canaria and the other islands. the other described species for gran canaria are n. quadratus, n. lindbergi and n. piliger. thirty-six individuals representing the five species on gran canaria have been ... | 2001 | 11298957 |
| serum selenium concentration in a representative sample of the canarian population. | the concentration of serum selenium in 395 individuals (187 males + 218 females) living in the canary islands, spain was determined by hydride generation atomic absorption spectrometry. the mean selenium concentration was 74.7 +/- 25.2 microg/l ranging between 7.86 and 182.3 microg/l. twenty-two adults (7.2% of the total) had serum selenium concentrations under 45 microg/l. it is widely accepted that below this selenium serum concentration (45 microg/l) there is an increased risk of cardiovascul ... | 2001 | 11305344 |
| paleonutritional analysis on the prehispanic population from la palma (canary islands). | in this study, we determine bone strontium, barium, and calcium, as well as zinc, copper, and iron, in prehispanic samples belonging to adult individuals from the two main funerary caves from la palma (espigón and barranco porto), comparing them with our own modern controls. we have found that the ba/sr molar ratio of the individuals from barranco porto are significantly lower than that of the individuals from espigón, thus suggesting a consumption of a marine-based diet by the former. | 2001 | 11330522 |
| ocular and encephalic toxoplasmosis in canaries. | in this report we describe the lesions produced by the protozoal organism, toxoplasma gondii, in the eyes and brain of the common yellow canary (serinus canaria). nine of 15 birds in a flock were affected with blindness, which developed over a 3-mo span, and two birds developed torticollis. microscopic alterations within the eye consisted of a nonsuppurative chorioretinitis with large numbers of macrophages that contained the tachyzoite form of t. gondii in the subretinal space, and aggregates o ... | 2001 | 11332494 |
| acute q fever: a cause of fatal hepatitis in an icelandic traveller. | domestic q fever is rare in the nordic countries; the infection is acquired abroad in the majority of cases. this is the first nordic report of a fatal case of q fever, which occurred in an icelandic cancer patient who had travelled to the canary islands. | 2001 | 11345226 |
| population data for southern spain and canary islands of hladqa1, pm and d1s80 loci. | allele frequencies for seven polymerase chain reaction (pcr)-based dna genetic markers in two spanish populations (southern spain and canary islands), were determined and compared. the loci analysed were hladqa1, ldlr, gypa, hbgg, d7s8,gc, and d1s80. | 2001 | 11348803 |
| assessment of blood glutathione peroxidase activity in the dromedary camel. | blood glutathione peroxidase (gsh-px) levels in 709 normal dromedary camels (442 females and 267 males) were assessed in the canary islands. all animals were intensively reared, and three different nutritional systems were evaluated, depending on selenium content of the diet. mean gsh-px level in the total population was 288.5+/-157.2 iu x g(-1) hb. reference ranges were estimated and enzymatic activities below 51 iu x g(-1) hb were considered inadequate. gsh-px activities obtained in females (2 ... | 2001 | 11361154 |
| funding support lacking in search for hiv vaccine. | aidsvax is the only vaccine in phase iii efficacy trials, but most experts do not believe that this vaccine is the final word in hiv prevention. another phase iii trial could be at least 3 years away, because no other vaccines are near that stage of development. hiv-1 delta 4 is a vaccine in development that uses a mutated form of the virus; however, there are public health concerns about introducing a new form of the virus into the population. canary pox-vector vaccine is discussed and five ver ... | 1999 | 11366091 |
| [food consumption and food sources of energy and nutrients in canary islands (1997-98)]. | to evaluate food consumption and identify the main food sources of energy and nutrient intake in the canary island population (1997-98). | 2000 | 11370469 |
| [anthropometric values and cardiovascular risk factors in canary islands (1997-98)]. | to know the distribution of certain anthropometric parameters and cardiovascular risk factors: hypercholesterolemia, arterial hypertension, obesity, sedentary lifestyle, smoking and diabetes mellitus in the population of the canary islands. | 2000 | 11370470 |
| [biochemical assessment of nutritional status in the canary islands population (1998)]. | nutrition surveys include information about dietary intake and nutritional status utilising clinical, biochemical and anthropometric measurements. | 2000 | 11370471 |
| [knowledge, opinions and attitudes of the canarian islands population towards nutrition]. | to estimate knowledge and identify opinions and attitudes of the canary island population towards eating in relation to health. | 2000 | 11370472 |
| [conclusions of the canary islands nutrition survey (1997-98). foundations for a nutrition policy in canary islands]. | the principal findings of the canary island nutrition survey (enca). 1997-98 are presented. this survey was realised to obtain the following objectives: to evaluate eating habits and nutritional status utilising dietary, anthropometric and biochemical indicators in the canary island population along with determining lifestyle factors and the prevalence of the main cardiovascular risk factors. additionally, a survey evaluating food-related knowledge and attitudes was also carried out. to attain t ... | 2000 | 11370473 |
| [energy and nutrient intake and risk of inadequate intakes in canary islands (1997-98)]. | to evaluate the consumption of energy and nutrients and to identify the risk of inadequate intakes in the canary island population (1997-98). | 2000 | 11370474 |
| tenerife revisited: the critical role of dentistry. | the authors record the contribution of dentistry to the identification of victims of one of the most significant disasters in the history of aviation-the march 1977 collision of two boeing 747 jumbo jets in the canary islands, which resulted in 583 fatalities. dental identification was the primary method of victim identification because a high percentage of the bodies were severely burned. virtually all aspects of the u.s. identification efforts have been reported with the exception of the valua ... | 2001 | 11373016 |
| using bayesian networks in the construction of a bi-level multi-classifier. a case study using intensive care unit patients data. | combining the predictions of a set of classifiers has shown to be an effective way to create composite classifiers that are more accurate than any of the component classifiers. there are many methods for combining the predictions given by component classifiers. we introduce a new method that combine a number of component classifiers using a bayesian network as a classifier system given the component classifiers predictions. component classifiers are standard machine learning classification algor ... | 2001 | 11377149 |
| serum manganese concentrations in a representative sample of the canarian population. | serum manganese (mn) concentrations of 368 individuals 6-75 yr of age (179 males and 189 females) living in the canary islands were determined by graphite furnace atomic absorption spectrometry. the mean manganese concentration was 1.06+/-0.62 microg/l, ranging between 0.19 and 3.33 microg/l. most of the analyzed samples (63.3% of the samples) fall within the reference interval (0.54-1.76 microg/l) for apparently healthy people. individuals from fuerteventura presented with mean mn concentration ... | 2001 | 11393309 |
| the distribution of tyrosine hydroxylase in the canary brain: demonstration of a specific and sexually dimorphic catecholaminergic innervation of the telencephalic song control nulcei. | singing and the processing of auditory information related to song can be affected by experimental manipulations of catecholamine activity in the brain of zebra finches. we investigated, by immunocytochemistry in the brain of male and female canaries, the distribution of tyrosine hydroxylase (th), the rate-limiting step in the synthesis of catecholamines. fibers immunoreactive for th (th-ir) were particularly abundant in the lobus parolfactorius, the paleostriatum primitivum, and the nucleus sep ... | 2001 | 11396718 |
| [evolution of mortality attributable to tobacco in the canary islands (1975-1994)]. | the objective of this study is that of describing the death rate attributable to tobacco on the canary islands throughout the 1975-1994 period. | 2001 | 11400417 |
| phylogeography of cape verde island skinks (mabuya). | the cape verde islands are of volcanic origin with most having appeared between the early miocene and mid-pleistocene. they contain six known species of mabuya skinks. phylogeographical relationships within and among the relatively widespread taxa m. stangeri, m. spinalis and m. delalandii were inferred, based on approximately 1 kbp of the cytochrome b gene (mitochondrial dna). reciprocal monophyly of m. spinalis and m. stangeri was established, which may have arisen from an early pliocene/late ... | 2001 | 11412378 |
| [the immigration in the canary islands]. | | 2001 | 11412625 |
| tracking colonization and diversification of insect lineages on islands: mitochondrial dna phylogeography of tarphius canariensis (coleoptera: colydiidae) on the canary islands. | the genus tarphius erichson (coleoptera: colydiidae) is represented by 29 species on the canary islands. the majority are rare, single-island endemics intimately associated with the monteverde (laurel forest and fayal-brezal). the tarphius canariensis complex is by far the most abundant and geographically wide-spread, occurring on gran canaria, tenerife and la palma. eighty-seven individuals from the t. canariensis complex were sequenced for 444 bp of the mitochondrial dna cytochrome oxidase i g ... | 2000 | 11413633 |
| [sublingual immunotherapy with cat epithelial extract. personal experience]. | because cats are a common pet in many houses and tourist complexes in the canary islands, sensitization to cat epithelium is a frequent problem. a total of 19.2% of patients with intrinsic asthma are sensitized to cat epithelium. in the canary islands, the percentage of sensitization among patients with a household cat is 18.1%, which higher is higher than in the rest of spain (11.9). many patients with extrinsic asthma sensitized to house dust mites undergo conventional subcutaneous immunothera ... | 2001 | 11450599 |
| genetic structure and distinctness of apis mellifera l. populations from the canary islands. | the genetic structure of apis mellifera populations from the canary islands has been assessed by mitochondrial (restriction fragment length polymorphisms of the intergenic transfer rnaleu-coii region) and nuclear (microsatellites) studies. these populations show a low level of genetic variation in terms of average number of alleles and degree of heterozygosity. significant differences in the distribution of alleles were found in both data sets, confirming the genetic differentiation among some o ... | 2001 | 11472540 |
| immunohistochemical detection of ophidian paramyxovirus in snakes in the canary islands. | | 2001 | 11486771 |
| parallel gigantism and complex colonization patterns in the cape verde scincid lizards mabuya and macroscincus (reptilia: scincidae) revealed by mitochondrial dna sequences. | the scincid lizards of the cape verde islands comprise the extinct endemic giant macroscincus coctei and at least five species of mabuya, one of which, mabuya vaillanti, also had populations with large body size. phylogenetic analysis based on dna sequences derived from the mitochondrial cytochrome b, cytochrome oxidase i and 12s rrna genes (711, 498 and 378 base pairs (bp), respectively) corroborates morphological evidence that these species constitute a clade and that macroscincus is unrelated ... | 2001 | 11487407 |
| population structure and dispersal in the canary island caddisfly mesophylax aspersus (trichoptera, limnephilidae). | population genetic structure of the circum-mediterranean caddisfly mesophylax aspersus (trichoptera, limnephilidae) on the canary islands was investigated by studying allozyme variation at nine putative loci in five populations. genetic variability, population structure and gene flow were compared with data in the literature for continental taxa to assess the effect of isolation of island populations on the genetic structure. larvae were collected from streams on the islands of tenerife (one pop ... | 2001 | 11488974 |
| canary capgras. | | 2001 | 11514660 |
| assessing the potential for pesticide leaching for the pine forest areas of tenerife. | currently, no guidelines cover use of pesticides in the forested areas of the canary island of tenerife. an index-based model (li) was used to rank the leaching potential of 50 pesticides that are, or could be, used for management purposes in the pine forest areas of tenerife. once the pesticides with the greatest leaching potential were identified, regional-scale groundwater vulnerability assessments, with consideration for data uncertainties, were generated using soil, climatic, and chemical i ... | 2001 | 11521822 |
| can microsatellites be used to infer phylogenies? evidence from population affinities of the western canary island lizard (gallotia galloti). | population phylogeographic studies are generally based solely on mtdna without corroboration, from an independent segregating unit (i.e., nuclear genes), that the mtdna gene tree represents the organismal phylogeny. this paper attempts to evaluate the utility of microsatellites for this process by use of the western canary island lacertid (gallotia galloti) as a model. the geological times of island eruptions are known, and well-supported mtdna phylogenies exist (corroborated as the organismal p ... | 2001 | 11527463 |
| mannose-binding lectin polymorphisms in a canary islands (spain) population. | we have compared the structural and promoter variants of the mannose-binding lectin (mbl) gene in a population from gran canaria with that from other populations previously reported. the observed frequencies of the seven alleles of the mbl gene in our population were: hypa, 0.24; lyqa, 0.22; lypa, 0.08; lxpa, 0.19; lypb, 0.17; lyqc, 0.03 and hypd, 0.07. the frequency of non-producer alleles and of mbl-deficient individuals in our population is higher than in other european and asian population. | 2001 | 11528527 |
| [the 8th world congress, "pain clinic" (may 6-10, 1998, canary islands, spain)]. | | 1999 | 11530466 |
| bone lead in the prehistoric population of gran canaria. | the present study determined the lead concentration in bone tissue from 40 prehistoric individuals of gran canaria, and in a sample of 19 modern day residents of the canary islands. higher bone lead values were observed in the modern sample (18.65 +/- 12.13 &mgr;g/g dry bone tissue) than in the ancient sample (4.41 +/- 3.45 &mgr;g/g dry bone tissue, p < 0.001). older individuals showed higher bone lead values than younger individuals, but only in the modern group. the correlation between age and ... | 1999 | 11533960 |
| seasonal activation and inactivation of song motor memories in wild canaries is not reflected in neuroanatomical changes of forebrain song areas. | seasonal, testosterone-dependent changes in sexual behaviors are common in male vertebrates. in songbirds such seasonal changes occur in a learned behavior--singing. domesticated male canaries (serinus canaria) appear to lose song units (syllables) after the breeding season and learn new ones until the next breeding season. here we demonstrate in a longitudinal field study of individual, free-living nondomesticated (wild) canaries (s. canaria) a different mode of seasonal behavioral plasticity, ... | 2001 | 11534977 |
| genetic diversity of the macaronesian leafy liverwort porella canariensis inferred from rapd markers. | plant colonization of the north atlantic raises the intriguing question of the relationships between extant island species with their continental counterparts (european, african, and american), which may provide clues to past geographic distribution and colonization history. it has been suggested that during past glaciations, many plant species with typical mediterranean distributions survived in the atlantic islands that belong to what is today known as macronesia. we used random amplified poly ... | 2001 | 11535647 |