| smoking and sickness absence among public health workers. | as well as causing sickness and death, smoking has high socio-economic costs. the aim of this paper was to examine how closely smoking is associated with sickness absence among healthcare workers. | 2005 | 15694961 |
| surveillance of imported diseases as a window to travel health risks. | when using all its advantages of clinical vigilance, direct communication,and fast feedback, a clinical surveillance network can be remarkably effective in detecting sentinel events and in translating the new information into modifications of clinical practice. travelers have great advantage when serving as surveillance tools for imported diseases. they travel widely and potentially expose themselves to all types of infectious diseases, they are very mobile, and they return during the incubation ... | 2005 | 15701544 |
| mitochondrial dna diversity in 17th-18th century remains from tenerife (canary islands). | mitochondrial dna sequences and restriction fragment length polymorphisms were retrieved (with >80% efficiency) from a 17th-18th century sample of 213 teeth from tenerife. the genetic composition of this population reveals an important ethnic heterogeneity. although the majority of detected haplotypes are of european origin, the high frequency of sub-saharan african haplotypes (15.63%), compared to that of the present-day population (6.6%), confirms the importance of the canary islands in the bl ... | 2005 | 15714457 |
| a retrospective description of a highly pathogenic avian influenza a virus (h7n1/carduelis/germany/72) in a free-living siskin (carduelis spinus linnaeus, 1758) and its accidental transmission to yellow canaries (serinus canaria linnaeus, 1758). | a haemagglutinating virus was isolated in summer 1972 from a single free-living siskin (carduelis spinus linnaeus, 1758) in embryonated chicken eggs. additional cases of morbidity or mortality were not observed in the area were the sick siskin was found. the virus was characterized as an avian influenza a virus of the subtype h7n1 and designated h7n1/carduelis/germany/72. the virus induced following experimental inoculation of chicken embryos a high rate mortality (mean death time approximately ... | 2005 | 15714871 |
| resistance reshufflings (or refining the law of higgledy-piggledy). xiii international hiv drug resistance workshop, june 8-12, 2004, tenerife, canary islands. | | 2004 | 15719461 |
| nuclear ribosomal dna and karyotypes indicate a nw african origin of south american hypochaeris (asteraceae, cichorieae). | hypochaeris has a disjunct distribution, with more than 15 species in the mediterranean region, the canary islands, europe, and asia, and more than 40 species in south america. previous studies have suggested that the new world taxa have evolved from ancestors similar to the central european h. maculata. based on internal transcribed spacer (its) sequences and fluorescence in situ hybridization (fish) with 5s and 18s-25s rdna of the previously overlooked hypochaeris angustifolia from moyen atlas ... | 2005 | 15737585 |
| inadvertent exposure to organochlorine pesticides ddt and derivatives in people from the canary islands (spain). | in 1998, one of the largest determinations of organochlorine pesticides in a representative sample of a spanish population (682 serum samples from the canary islands) was made in the context of the "canary islands nutrition survey" (enca). in the canary islands, extensive farming areas have been developed in these last decades, with greenhouses dedicated to intensive cultivation using ddt in huge amounts. in spain, similarly to other european countries, ddt was banned in the late 1970s. the pest ... | 2005 | 15740757 |
| antidepressant properties of some hypericum canariense l. and hypericum glandulosum ait. extracts in the forced swimming test in mice. | it has been shown in a previous work that the methanol extract obtained from the aerial part in blossom of hypericum canariense l. and hypericum glandulosum ait. was active in the tetrabenazine and forced swimming test. in the present study, the central nervous effect of the aqueous, butanol and chloroform fractions obtained from the methanol extracts of these hypericum species was investigated in mice, particularly in animal models of depression. it was found that the immobility time in the for ... | 2005 | 15740893 |
| diseases and causes of mortality among sea turtles stranded in the canary islands, spain (1998-2001). | this paper lists the pathological findings and causes of mortality of 93 sea turtles (88 caretta caretta, 3 chelonia mydas, and 2 dermochelys coriacea) stranded on the coasts of the canary islands between january 1998 and december 2001. of these, 25 (26.88%) had died of spontaneous diseases including different types of pneumonia, hepatitis, meningitis, septicemic processes and neoplasm. however, 65 turtles (69.89%) had died from lesions associated with human activities such as boat-strike injuri ... | 2005 | 15759796 |
| molecular phylogenetics of the macaronesian-endemic genus bystropogon (lamiaceae): palaeo-islands, ecological shifts and interisland colonizations. | abstract a molecular phylogenetic study of bystropogon l'her. (lamiaceae) is presented. we performed a cladistic analysis of nucleotide sequences of the internal transcribed spacers (its), of the nuclear ribosomal dna, and of the trnl gene and trnl-trnf intergenic spacer of the chloroplast dna. bystropogon odoratissimus is the only species endemic to the canary islands that occurs in the three palaeo-islands of tenerife. this species is not part of an early diverging lineage of bystropogon and w ... | 2005 | 15773944 |
| bradyrhizobium canariense sp. nov., an acid-tolerant endosymbiont that nodulates endemic genistoid legumes (papilionoideae: genisteae) from the canary islands, along with bradyrhizobium japonicum bv. genistearum, bradyrhizobium genospecies alpha and bradyrhizobium genospecies beta. | highly diverse bradyrhizobium strains nodulate genistoid legumes (brooms) in the canary islands, morocco, spain and the americas. phylogenetic analyses of its, atpd, glnii and reca sequences revealed that these isolates represent at least four distinct evolutionary lineages within the genus, namely bradyrhizobium japonicum and three unnamed genospecies. dna-dna hybridization experiments confirmed that one of the latter represents a new taxonomic species for which the name bradyrhizobium canarien ... | 2005 | 15774626 |
| coordinated and dissociated effects of testosterone on singing behavior and song control nuclei in canaries (serinus canaria). | temperate zone songbirds that breed seasonally exhibit pronounced differences in reproductive behaviors including song inside and outside the breeding season. springlike long daylengths are associated with increases in plasma testosterone (t) concentrations, as well as with increases in singing and in the volume of several brain nuclei known to control this behavior. the mechanisms whereby t can induce changes in behavior and brain, and whether or not these effects are differentially regulated, ... | 2005 | 15777813 |
| sex-linked inheritance of hearing and song in the belgian waterslager canary. | belgian waterslager canaries have less sensitive hearing at high frequencies and produce songs with more energy at low frequencies than wild-type canaries. a backcross pedigree between belgian waterslager canaries and a domestic strain with wild-type song revealed inheritance patterns consistent with a factor of major effect located on the z sex chromosome affecting both poor high-frequency hearing at 4 khz and the relative energy in the spectra of the learned songs of males. hearing thresholds ... | 2004 | 15801589 |
| emissions from small-scale energy production using co-combustion of biofuel and the dry fraction of household waste. | in sparsely populated rural areas, recycling of household waste might not always be the most environmentally advantageous solution due to the total amount of transport involved. in this study, an alternative approach to recycling has been tested using efficient small-scale biofuel boilers for co-combustion of biofuel and high-energy waste. the dry combustible fraction of source-sorted household waste was mixed with the energy crop reed canary-grass (phalaris arundinacea l.), and combusted in bot ... | 2005 | 15823746 |
| intraspecific comparative analysis of the species salinibacter ruber. | salinibacter ruber is the first extremely halophilic member of the bacteria domain of proven environmental relevance in hypersaline brines at or approaching nacl saturation, that has been brought to pure culture. a collection of 17 strains isolated from five different geographical locations (mallorca, alicante, ebro delta, canary islands, and peruvian andes) were studied following the currently accepted taxonomic approach. additionally, random amplification of genomic dna led to the phenetic ana ... | 2005 | 15841344 |
| species diversity can drive speciation. | a fundamental question in evolutionary ecology and conservation biology is: why do some areas contain greater species diversity than others? island biogeographic theory has identified the roles of immigration and extinction in relation to area size and proximity to source areas, and the role of speciation is also recognized as an important factor. however, one as yet unexplored possibility is that species diversity itself might help to promote speciation, and indeed the central tenets of island ... | 2005 | 15846345 |
| genetic analysis and conservation of the endangered canary island woody sow-thistle, sonchus gandogeri (asteraceae). | sonchus gandogeri, a woody sow-thistle, is an endangered canary island endemic with only two known populations, one in the el golfo and another in the las esperillas of el hierro. amplified fragment length polymorphism (aflp) markers were used to assess the genetic variation within and among populations. the mean genetic diversity of two populations was estimated to be 0.380, and the el golfo population (0.380) had higher genetic diversity than the southeastern one (0.268). the unbiased nei's ge ... | 2005 | 15856135 |
| diversification of the forest beetle genus tarphius on the canary islands, and the evolutionary origins of island endemics. | the flightless beetle genus tarphius erichson (coleoptera: colydiidae) is a distinctive element of the beetle fauna of the canary islands with 29 species distributed across the five western islands. the majority of tarphius species are rare and intimately associated with the monteverde forest and only two species occur on more than one island. in this study we investigate the phylogeography of the canary island tarphius, and their relationship to tarphius from the more northerly archipelagos of ... | 2005 | 15856701 |
| accumulating pollutants in conifer needles on an atlantic island - a case study with pinus canariensis on tenerife, canary islands. | concentrations of potential pollutant elements na, cl, and s were investigated in needles of pinus canariensis grown at 55 field plots in tenerife. microelement concentrations (including heavy metals) were measured at a subset of 18 plots. na and cl concentrations were high at low elevations (up to 8 mg g(-1) cl and 5.5 mg g(-1) na). na/cl ratio close to standard seawater indicated sea spray influence up to 1200 m a.s.l. only at few plots, sulphur concentrations indicated possible pollutant impa ... | 2005 | 15862394 |
| molecular characterization of a new serovar of salmonella bongori 13,22:z39:- isolated from a lizard. | three salmonella strains isolated from a lizard (gallotia simoni) in the "isla del hierro" (canary islands, spain) were serotyped as salmonella bongori serotype 13,22:z39:-, which has not been described in the kauffmann-white scheme of salmonella serovars. in order to shed light on the assignment of those strains to the s. bongori species, several genes were amplified and/or sequenced. the irob gene has been reported to be present only in s. enterica, while the inva gene has been described as be ... | 2005 | 15862460 |
| freedom and rules: the acquisition and reprogramming of a bird's learned song. | canary song is hierarchically structured: short stereotyped syllables are repeated to form phrases, which in turn are arranged to form songs. this structure occurs even in the songs of young isolates, which suggests that innate rules govern canary song development. however, juveniles that had never heard normal song imitated abnormal synthetic songs with great accuracy, even when the tutor songs lacked phrasing. as the birds matured, imitated songs were reprogrammed to form typical canary phrasi ... | 2005 | 15890887 |
| bumblebees, humble pollinators or assiduous invaders? a population comparison of foraging performance in bombus terrestris. | worldwide trade in non-native bumblebees remains largely unrestricted despite well-documented cases where introductions of non-native bees have gone dramatically wrong. within europe, indiscriminate importation of non-native populations of bumblebees (bombus terrestris) for the pollination of glasshouse crops continues on a massive scale. however, no risk assessment has been conducted for these introductions, perhaps because b. terrestris is considered a native species, so shipping populations f ... | 2005 | 15891827 |
| an outbreak of abortions and high neonatal mortality associated with trypanosoma evansi infection in dromedary camels in the canary islands. | trypanosoma evansi was diagnosed for the first time in the canary islands (spain) in 1998 in a dromedary camel. seroprevalences of 4.8% up to 9% have been observed using different diagnostic methods. affected animals have been treated but the dissemination of the disease is unknown. this article presents an outbreak of abortions and high neonatal mortality attributable to t. evansi infection in camels as well as the clinical assessment of the affected animals. the patients were diagnosed by rout ... | 2005 | 15893083 |
| the effect of auditory distractors on song discrimination in male canaries (serinus canaria). | male songbirds such as canaries produce complex learned vocalizations that are used in the context of mate attraction and territory defense. successful mate attraction or territorial defense requires that a bird be able to recognize individuals based on their vocal performance and identify these songs in a noisy background. in order to learn more about how birds are able to solve this problem, we investigated, with a two-alternative choice procedure, the ability of adult male canaries to discrim ... | 2005 | 15896531 |
| [routine preoperative screening of asymptomatic patients: beliefs and attitudes of anesthesiologists in the canary islands, spain]. | to identify factors that explain anesthesiologists' inappropriate use of preoperative tests in asymptomatic patients scheduled for elective surgery. | 2005 | 15901024 |
| selectivity of canary hvc neurons for the bird's own song: modulation by photoperiodic conditions. | to what extent seasonal factors modify the neuronal functional properties within the nuclei of the avian song system remains an open question. in adult songbirds, neurons of the song premotor nucleus hvc (used as a proper name) exhibit selective responses for the bird's own song (bos). here we examine whether, outside the breeding season, when songs are less stereotyped, hvc neurons of male canaries still respond selectively to the bos produced during this period. in an initial experiment, singl ... | 2005 | 15901776 |
| plagiarism run amuck: why the cat ought not guard the canary. | | 2004 | 15906850 |
| the effect of removal of seminal plasma, egg yolk level and season on sperm freezability of canary buck (capra hircus). | goat semen is different from that of other domestic species in its limited tolerance to the inclusion of egg yolk in the freezing medium, and this tolerance depends on the presence of enzymes in the seminal plasma that react with egg yolk, producing toxic compounds to the spermatozoa. moreover, the goat is a seasonal breeder that shows variations in semen quality throughout the year, and those variations may affect semen freezability; hence in freezing protocols, for instance, removal of seminal ... | 2005 | 15943690 |
| taenia spp.: 18s rdna microsatellites for molecular systematic diagnosis. | the 18s rdna gene of adult worms of taenia parva found in genetta genetta in the iberian peninsula and larval stages of t. pisiformis from the wild rabbit (oryctolagus cuniculus) in tenerife (canary islands) were amplified and sequenced. the sequences of the 18s rdna gene of t. parva (1768 bp) and t. pisiformis (1760 bp) are reported for the first time (genbank accession nos. aj555167-aj555168 and aj555169-aj555170, respectively). in 168 alignment positions microsatellites in the 18s rdna of bot ... | 2005 | 15946391 |
| the helminth fauna of the barbary partridge alectoris barbara in tenerife, canary islands. | the helminth fauna of the barbary partridge (alectoris barbara) in tenerife island (canary archipelago) was studied from 2001 to 2002, as there were no records of helminths from this host in the canary islands. seven helminth species were identified: two cestodes choanotaenia infundibulum and lyruterina nigropunctata, and five nematodes aonchotheca caudinflata, baruscapillaria obsignata, eucoleus annulatus, ascaridia galli and heterakis gallinarum. lyruterina nigropunctata, a. galli and e. annul ... | 2005 | 15946395 |
| preliminary evidence for ethnic differences in primary hyperoxaluria type 1 genotype. | primary hyperoxaluria type 1 (ph1) is caused by a deficiency of peroxisomal alanine:glyoxylate aminotransferase (agt). in about one third of patients, enzymatically active agt is synthesized but is mistargeted to mitochondria. there are more than 50 mutations identified in the gene for agt. four mutations, g170r, 33_34insc, f152i and i244t account for more than 50% of ph1 alleles. the question arose whether there are ethnic differences in ph1 genotype. | 2005 | 15961945 |
| "gas and fat embolic syndrome" involving a mass stranding of beaked whales (family ziphiidae) exposed to anthropogenic sonar signals. | a study of the lesions of beaked whales (bws) in a recent mass stranding in the canary islands following naval exercises provides a possible explanation of the relationship between anthropogenic, acoustic (sonar) activities and the stranding and death of marine mammals. fourteen bws were stranded in the canary islands close to the site of an international naval exercise (neo-tapon 2002) held on 24 september 2002. strandings began about 4 hours after the onset of midfrequency sonar activity. eigh ... | 2005 | 16006604 |
| lack of effects of bacillus sphaericus (vectolex) on nontarget organisms in a mosquito-control program in southeastern wisconsin: a 3-year study. | a 3-year study (2000-2002) in southeastern wisconsin was conducted to assess the effects of bacillus sphaericus applied for mosquito control on nontarget wetland invertebrates. the experimental design consisted of control and treatment sites (that were applied by helicopter with vectolex cg), each in 2 vegetation habitat types: reed canary grass marsh (phalaris arundinacea) and cattail marsh (typha spp.). in each of these areas, a predetermined number of timed (30-sec) d-frame aquatic net sample ... | 2005 | 16033123 |
| bone cadmium and lead in the ancient population from el hierro, canary islands. | this study was performed to determine the levels of lead (pb) and cadmium (cd) in 63 bone samples of the prehispanic population of the island el hierro, comparing them with the values obtained on 98 prehispanic samples from tenerife, fuerteventura, gran canaria, and la palma, all of them in the canary islands, and with eight modern samples who served as controls. prehispanic individuals from el hierro showed the lowest bone pb values of all the archipelago (0.72+/-1.01 mg/kg), significantly diff ... | 2005 | 16034152 |
| heat transfer and the energetic cost of singing by canaries serinus canaria. | sexually selected displays, such as male passerine bird song, are predicted to be costly. however, most measurements calculated the rate of oxygen consumption during singing using respirometry have shown that bird song has a low energetic cost. since birds are reluctant to sing when enclosed inside a respirometry chamber, the energetic cost of singing could differ from that under more normal circumstances. we used heat transfer modelling, based on thermal images, to estimate the energetic cost o ... | 2005 | 16034602 |
| randomized comparative clinical study of cryoanalgesia versus topical anesthesia in clear corneal phacoemulsification. | to compare intraoperative pain scores and objective stress signs during clear corneal phacoemulsification under cryoanalgesia and topical anesthesia. | 2005 | 16039496 |
| genetic diversity of frankia microsymbionts from the relict species myrica faya (ait.) and myrica rivas-martinezii (s.) in canary islands and hawaii. | in the western canary islands, myrica faya and myrica rivas-martinezii (myricaceae) are phylogenetically close, endemic, actinorhizal species presumed to be remnants either of the european or the african tertiary floras. unisolated frankia strains from field-collected nodules on tenerife, gomera, and la palma islands were compared by their rrs gene and 16s-23s intergenic spacer (igs) restriction patterns. to compare the genetic diversity of frankia strains from within and outside the host's nati ... | 2005 | 16047099 |
| [socioeconomic inequalities and health plans in the autonomous communities of spain]. | to systematically examine sensitivity to socioeconomic (se) inequalities in the policies formulated in the health plans of the autonomous communities of spain. | 2005 | 16050962 |
| outbreak of shigella sonnei in a rural hotel in la gomera, canary islands, spain. | shigella sonnei is a significant cause of gastroenteritis in both developing and industrialized countries. knowledge of the diversity and antimicrobial susceptibility of the bacterium may be helpful in the management of both individual cases and outbreaks. this study was undertaken to evaluate the molecular epidemiology of an outbreak of diarrhea due to s. sonnei. the outbreak involved 14 of 28 (50%) tourists in a small rural hotel in la gomera, canary islands, spain. all of the s. sonnei isolat ... | 2005 | 16052462 |
| a new and fast extraction method for the determination of priority phenols from marine sediments by liquid chromatography. | a new and fast method for the determination of priority phenols in marine sediment samples by high-performance liquid chromatography using microwave-assisted micellar extraction is optimized. this study is carried out using the nonionic surfactants polyoxyethylene 9 lauryl ether (polidocanol) and genapol x-080 as extractants. parameters studied include surfactant concentration, solution ph, extraction time, and power. once the method is optimized, it is applied to different spiked marine sedimen ... | 2005 | 16053609 |
| diuretic activity of artemisia thuscula, an endemic canary species. | a pharmacological evaluation for diuretic activity of infusions at 5, 10 and 15% of artemisia thuscula cav. was carried out. urinary excretion of water, ph, density, conductivity and na(+), k(+) and cl(-) content were investigated in saline-loaded rats. the infusions showed a dose-dependent decrease diuretic effect, but augmented significantly with respect to the control group for the urinary excretion of water and sodium. furthermore, a potassium-sparing effect at 5 and 10% was showed. the diur ... | 2005 | 16054534 |
| systematics, character evolution, and biogeography of cistus l. (cistaceae) based on its, trnl-trnf, and matk sequences. | this paper presents the first phylogenetic hypotheses for the 20 species of cistus based on plastid (trnl-trnf, matk) and nuclear (its) dna sequence data. phylogenetic relationships reveal that: (1) halimium and cistus form a cohesive, natural group; (2) two major lineages of purple-flowered and white-flowered species are defined, except for the purple-flowered c. parviflorus; (3) monophyly of conspecific populations is congruent with the circumscription of species. topological congruence betwee ... | 2005 | 16055353 |
| east canary islands as a microcontinent within the africa-north america continental drift fit. | | 1970 | 16057647 |
| northern hemisphere observatory agreement signed in canary islands. | | 1979 | 16068138 |
| lead dietary intake in a spanish population (canary islands). | for most people diet is the main route of exposure to trace metals, so information about dietary intake is also important to assess risks to human health for these elements. the purpose of this study was to determine the levels of pb in the foods and drinks of highest consumption in the authors' our community to estimate daily intakes of pb for each of the seven canary islands. four hundred and twenty samples were analyzed using gfaas. the total pb intake of the canarian population is 72.8 micro ... | 2005 | 16076147 |
| induction of glutathione s-transferase and glutathione by toxic compounds and elicitors in reed canary grass. | treatment of read canary grass leaves with phenol, 4-chlorophenol, naphthalic anhydride and phenylethylisothiocyanate increased glutathione s-transferase activity by 1.4-2.4-fold (control 17 u g(-1) dw). benzothiadiazole, beta-aminobutyric acid and salicylic acid increased activity by 1.3-1.8-fold. total glutathione pool was increased by the toxic compounds by 1.2-2-fold and by the elicitors 1.4-1.6-fold (control 593 nmol g(-1) dw). unlike the other compounds, benzothiadiazole and salicylic acid ... | 2005 | 16091885 |
| melatonin acts as a growth-stimulating compound in some monocot species. | in a recent study melatonin (n-acetyl-5-methoxytryptamine), a well-investigated animal molecule but minimally studied in plants, was seen to have a physiological role as growth-promoting molecule in lupin hypocotyls. in the present study, the role of melatonin as a growth promoter is extended to coleoptiles of canary grass, wheat, barley and oat, in which it shows a relative auxinic activity [with respect to indole-3-acetic acid (iaa), the main auxin in plants] of between 10 and 55%. in addition ... | 2005 | 16098090 |
| patterns of cladogenesis in the venomous marine gastropod genus conus from the cape verde islands. | isolated oceanic archipelagos are excellent model systems to study speciation, biogeography, and evolutionary factors underlying the generation of biological diversity. despite the wealth of studies documenting insular speciation, few of them focused on marine organisms. here, we reconstruct phylogenetic relationships among species of the marine venomous gastropod genus conus from the cape verde archipelago. this small island chain located in the central atlantic hosts 10% of the worldwide speci ... | 2005 | 16109706 |
| enterocytozoon bieneusi (microsporidia) in clinical samples from immunocompetent individuals in tenerife, canary islands, spain. | microsporidia are newly emerging pathogens of humans and animals, with enterocytozoon bieneusi being the most common causal agent in human microsporidiosis. to determine the presence of e. bieneusi, 273 clinical samples (40 urine, 156 stools, 37 sputum, 9 bronchial aspirates, 5 bronchial washes and 26 pleural fluids) from immunocompetent patients, mainly suffering diarrhoea or pneumonia, in tenerife, canary islands, spain were analysed using light microscopy after staining with weber's chromotro ... | 2005 | 16111728 |
| description of a simple multiplex pcr-sscp method for ab0 genotyping and its application to the peopling of the canary islands. | a simple and affordable multiplex polymerase chain reaction-single-strand conformation polymorphism method is proposed for the molecular study of ab0 polymorphisms. application of this method to the peopling of the canary islands, analyzing a total of 2,200 chromosomes, detected that in addition to berbers and basques, the rare alleles 0210 and o303 are also present in the iberian peninsula and in the canary islands. allele b101, with the highest frequency in northwest (nw) africa, shows a negat ... | 2005 | 16133448 |
| increasing incidence of megabacteriosis in canaries (serinus canarius domesticus). | a total of 312 post-mortem examinations of 178 canaries (serinus canarius domesticus), 40 parakeets (melopsittacus undulatus, nymphicus hollandicus) and 94 parrots (amazona aestiva, psitaccus erithacus) were conducted at the birds and rabbits service of the university of liège, belgium. after a detailed gross examination, tissue samples were collected for virological and/or bacteriological and/or parasitological examination to complete the diagnosis. in all cases, a microscopic examination of th ... | 2006 | 16140025 |
| influence of seed size and seed nature on recruitment in the polymorphic harvester ant messor barbarus. | in the polymorphic harvester ant messor barbarus, the colony modulates response during foraging according to seed characteristics. the easiness of picking up small seeds (oat fragments or canary seeds) shortens the time lapse between food discovery and the return of scouts to the nest, favouring the onset of recruitment and higher mobilisation rates than bigger seeds (whole oat). however, size is not the only criterion, as canary seeds are preferred among small ones. a modulation of the trail la ... | 2005 | 16140470 |
| changes on bone mineral density after adjuvant treatment in women with non-metastatic breast cancer. | . adjuvant therapies have prolonged survival of non-metastatic breast cancer (nmbc) patients, but they also decrease bone mineral density (bmd). we have analyzed the effects of chemotherapy, hormone therapy with tamoxifen or both, on bmd of women with nmbc. | 2005 | 16184462 |
| genetic diversity and historical demography of atlantic bigeye tuna (thunnus obesus). | bigeye (thunnus obesus) is a large, pelagic, and migratory species of tuna that inhabits tropical and temperate marine waters worldwide. previous studies based on mitochondrial rflp data have shown that bigeye tunas from the atlantic ocean are the most interesting from a genetic point of view. two highly divergent mitochondrial haplotype clades (i and ii) coexist in the atlantic ocean. one is almost exclusive of the atlantic ocean whereas the other is also found in the indo-pacific ocean. bigeye ... | 2006 | 16188460 |
| pet therapy and institutionalized elderly: a study on 144 cognitively unimpaired subjects. | the aim of this study was to assess whether a pet therapy program had a favorable effect on psychopathological status and perception of quality of life in cognitively unimpaired institutionalized elderly. seven elderly rest homes in veneto region of northern italy participated in the project, which was conducted on 144 cognitively intact elderly residents (97 females and 47 males). the participants were randomly divided into three groups: 48 subjects were given a canary, 43 subjects were given a ... | 2006 | 16191447 |
| parasites affect song complexity and neural development in a songbird. | there is now considerable evidence that female choice drives the evolution of song complexity in many songbird species. however, the underlying basis for such choice remains controversial. the developmental stress hypothesis suggests that early developmental conditions can mediate adult song complexity by perturbing investment in the underlying brain nuclei during their initial growth. here, we show that adult male canaries (serinus canaria), infected with malaria (plasmodium relictum) as juveni ... | 2005 | 16191614 |
| an electrochiroptical molecular switch: mechanistic and kinetic studies. | previously, we reported the synthesis and preliminary characterization of cu(i/ii) complexes of n,n-bis(2-quinilylmethyl)-(l)-methionine (zahn, s.; canary, j. w. science 2000, 288, 1404-7). the chemically oxidized and reduced forms of the complexes gave nearly mirror image circular dichroism (cd) spectra as a result of reorganization of the inner coordination sphere of the copper atom. the reorganization involved exchange of oxygen for sulfur in proceeding from the cu(ii) to cu(i) oxidation stat ... | 2005 | 16212392 |
| checklist of african tischeriidae (insecta: lepidoptera) with a redescription of the formerly neglected tischeria urticicolella from equatorial africa. | tischeria urticicolella (ghesquière, 1940)--a poorly studied species from the democratic republic of congo and formerly known as a member of the gracillariidae--is redescribed and reported as belonging to the tischeriidae for the first time. the external features and male genitalia are figured and described. a checklist and distribution map for all 18 tischeriidae species currently recorded from africa (including the canary islands) are given. | 2005 | 16219986 |
| analysis by gas chromatography-mass spectrometry of the essential oils from the aerial parts of pimpinella anagodendron bolle and pimpinella rupicola svent., two endemic species to the canary islands, spain. | the essential oils from the aerial parts of pimpinella anagodendron bolle and pimpinella rupicola svent., two endemic species growing in tenerife, canary islands, spain, were studied by gas chromatography and gas chromatography-mass spectrometry. the major components of the flowering tops (flowers+unripe fruits) of p. rupicola (prft) were found to be beta-bisabolene (34.8%), limonene (10.9%) and alpha-zingiberene (10.5%), whereas in the flowering tops of p. anagodendron (paft), the main constitu ... | 2005 | 16236298 |
| determination of changes in blood pressure during administration of sildenafil (viagra) in patients with spinal cord injury and erectile dysfunction. | prospective, open-label, comparative study, to assess the effects of sildenafil on blood pressure in a population of patients with spinal cord injury (sci). | 2006 | 16249788 |
| the selectivity of canary hvc neurons for the bird's own song: rate coding, temporal coding, or both? | the neuronal selectivity observed in the avian song system for the bird's own song progressively emerged as an extraordinary fruitful model to investigate the neural code underlying the recognition of complex stimuli and the occurrence of learned behaviors. in adult zebra finch, neurons from the hvc (used as a proper name) show very selective auditory responses, firing more to presentation of the bird's own song (bos) than to reverse bos or other conspecific songs. however, as adult zebra finche ... | 2004 | 16275046 |
| high prevalence of asthma symptoms in the canary islands: climatic influence? | the worldwide variation in asthma prevalence prompted us to carry out a study to assess the variability of asthma-related symptoms in young adults on the islands of gran canaria and tenerife. we used the questionnaire used in the european community respiratory health survey with the addition of two questions on smoking and ancestors from the canary islands. in each island, this questionnaire was distributed to a random sample of 5000 subjects aged 20-44 years. of the 10,000 subjects, 9,506 (95.0 ... | 2005 | 16293547 |
| first isolation of mycoplasma capricolum subsp. capricolum, one of the causal agents of caprine contagious agalactia, on the island of lanzarote (spain). | during an unusually long period of bad weather, several outbreaks of caprine contagious agalactia (cca) were reported in a number of flocks on the island of lanzarote (canary islands, spain). clinical and subclinical mastitis in lactating goats and some cases of arthritis and pneumonia in kids were observed in the affected flocks. mycoplasma capricolum subsp. capricolum was isolated as the main causal agent of the outbreaks, associated with m. mycoides subsp. mycoides "large colony type" (mmm lc ... | 2007 | 16324858 |
| male song quality affects circulating but not yolk steroid concentrations in female canaries (serinus canaria). | male song complexity is a sexually selected trait found in many songbirds, including strains of the domestic canary. studies on several species have shown that male song can affect the hormonal state of females and may also influence concentrations of maternal hormones in the yolk of their eggs. in this study, we show that the level of circulating androgens and oestrogens of female canaries, as measured in faeces, varies with the quality of male song to which they are exposed. the female-perceiv ... | 2005 | 16326941 |
| auditory topography and temporal response dynamics of canary caudal telencephalon. | to map the encoding of auditory cues in songbirds, multiunit electrophysiological responses to pure tone stimuli (250-5000 hz) were recorded at 373 sites throughout the avian analogue of the mammalian auditory cortex in the caudal telencephalon of awake, restrained canaries. we found that a dorso-ventral tonotopic gradient from low to high frequency stimuli extends from the rostral field l2 to caudal-most caudo-medial nidopallium (ncm), similar to the frequency-dependent patterns of zenk gene ex ... | 2006 | 16329130 |
| study of the genetic origin of the mexican creole donkey (equus asinus) by means of the analysis of the d-loop region of mitochondrial dna. | the aim of this work was to analyse the genetic origin of the mexican creole donkey, as well as its genetic diversity, by comparison with spanish and african donkey populations by means of the d-loop region of mitochondrial dna. to this end, the genomic dna of 68 mexican creole donkeys from eight geographical regions in six states of the republic of mexico and from a sicilian donkey was obtained. by the polymerase chain-reaction technique (pcr) a fragment of 541 bp was amplified, corresponding t ... | 2005 | 16335078 |
| cadmium dietary intake in the canary islands, spain. | cadmium (cd) in the human diet constitutes a potential chronic hazard to health. in the nonsmoking general population, diet is the major source of cadmium exposure; therefore, it is important to monitor the dietary intake of this heavy metal to quantify and improve the understanding of cd accumulation in the human body. the purpose of this study was to determine the levels of cd in a range of food and drink commonly consumed in the canary islands. food samples (420) were analyzed for cd by atomi ... | 2006 | 16337849 |
| effects of salinity on acetylene reduction (nitrogen fixation) and respiration in a marine azotobacter. | an acetylene-reducing (nitrogen-fixing) bacterium, identified as azotobacter sp., was isolated from a site in the canary creek marsh, del. acetylene reduction activity of the isolate was maximal at 15 to 25 per thousand nacl, with no activity observed at 0 or 60 per thousand. respiration studies showed similar results, with maximal activity occurring at a slightly lower salinity (10 to 20 per thousand nacl). the salinities over which peak activity occurred fell within the normal range of in situ ... | 1981 | 16345873 |
| effect of penicillium chrysogenum on lignin transformation. | a strain of penicillium chrysogenum has been isolated from pine forest soils in tenerife (canary islands). this strain was capable of utilizing hydroxylated and nonhydroxylated aromatic compounds, in particular cinnamic acid, as its sole carbon source. in an optimum medium with high levels of nitrogen (25.6 mm) and low levels of glucose (5.5 mm), it was able to decolorize poly b-411 and to transform kraft, organosolv, and synthetic dehydrogenative polymerisate lignins. after 30 days of incubatio ... | 1994 | 16349361 |
| relationship between diet and helminths in gallotia caesaris (sauria: lacertidae). | diet and helminth fauna were analysed in gallotia caesaris, a small lacertid lizard endemic to el hierro (canary islands, spain) in order to study the evolutionary and functional relationships between the two traits. this species is omnivorous but consumed a high proportion (82.13%) of plant matter including not only seeds but also leaves and other vegetative parts. helminth fauna included many helminth species typical of herbivorous reptiles. both herbivory and helminth presence were higher tha ... | 2005 | 16351960 |
| salmonella enterica serotypes isolated from imported frozen chicken meat in the canary islands. | to determine the prevalence of salmonella enterica serotypes in imported frozen chicken meat, 406 samples (whole chicken, legs, and breast meat) were analyzed for salmonella according to iso6579 rules, serotypes were assigned, and phage typing was conducted for salmonella serotypes enteritidis, typhimurium, and heidelberg. the overall frequency of salmonella isolation was 16.5%. by country of origin, the highest percentage of cases was found among the samples from france followed by samples from ... | 2005 | 16355846 |
| patterns of prescription of hypoglycaemic drugs in gran canaria (canary islands, spain) and estimation of the prevalence of diabetes mellitus. | to study the patterns of hypoglycaemic treatment in our community and to estimate the prevalence of known and drug-treated diabetes mellitus. | 2005 | 16357789 |
| the questionable contribution of the neolithic and the bronze age to european craniofacial form. | many human craniofacial dimensions are largely of neutral adaptive significance, and an analysis of their variation can serve as an indication of the extent to which any given population is genetically related to or differs from any other. when 24 craniofacial measurements of a series of human populations are used to generate neighbor-joining dendrograms, it is no surprise that all modern european groups, ranging all of the way from scandinavia to eastern europe and throughout the mediterranean ... | 2006 | 16371462 |
| raillietiella morenoi sp. n. (pentastomida) from gallotia atlantica (peters and doria, 1882) (lacertidae) in the canary islands. | raillietiella morenoi sp. n., a new cephalobaenid pentastomid found in the lungs of gallotia atlantica collected in the canary islands, is described. the new species belongs to the sharp-tipped posterior-hook type. the annulus number, morphology, and dimensions of copulatory spicules and the dimensions of anterior and posterior hooks separate raillietiella sp. n. from the other raillietiedid sharp-tipped posterior-hook species of small lizard parasites in africa. the host character of endemic pr ... | 2006 | 16380839 |
| prevalence of the metabolic syndrome in the island of gran canaria: comparison of three major diagnostic proposals. | the present study was conducted to estimate the prevalence of the metabolic syndrome in a canarian population, and to compare its frequency as defined by the most commonly used working definitions. | 2005 | 16401323 |
| enhanced viral and tumor immunity with intranodal injection of canary pox viruses expressing the melanoma antigen, gp100. | the route of administration and extent of helper t-cell activation are factors that are likely to be important for the development of effective cancer vaccines. in order to optimize cd8(+) cytotoxic t-lymphocyte (ctl) responses, the immunologic effects of direct lymph node (ln) injections of canary pox virus (alvac) vectors (expressing the melanoma antigen, gp100) and immunogenic gp100 peptides, along with concomitant injections of the helper adjuvant, tetanus toxoid, were studied in high-risk h ... | 2006 | 16404742 |
| [colorectal laparoscopy in the canary islands. a multicenter study of 144 patients]. | to analyze the short-term results of laparoscopic colorectal surgery (lcrs) in the canary islands. | 2005 | 16420905 |
| diabetes mellitus and impaired glucose regulation in the canary islands (spain): prevalence and associated factors in the adult population of telde, gran canaria. | to estimate the prevalence and the determinants of diabetes mellitus and impaired glucose regulation (igr) in an adult canarian population. | 2006 | 16433712 |
| testing phylogeographic predictions on an active volcanic island: brachyderes rugatus (coleoptera: curculionidae) on la palma (canary islands). | volcanic islands with well-characterized geological histories can provide ideal templates for generating and testing phylogeographic predictions. many studies have sought to utilize these to investigate patterns of colonization and speciation within groups of closely related species across a number of islands. here we focus attention within a single volcanic island with a well-characterized geological history to develop and test phylogeographic predictions. we develop phylogeographic predictions ... | 2006 | 16448412 |
| evaluation of acanthamoeba isolates from environmental sources in tenerife, canary islands, spain. | tests for potentially pathogenic amoebae were carried out in order to determine the presence of free-living amoebae of genus acanthamoeba in soil and beach sand sources related to human environments in tenerife, canary islands, spain. acanthamoeba identification was based on the morphology of cyst and trophozoite forms and pcr amplification with a genus specific primer pair. the pathogenical potential of acanthamoeba isolates was characterized by temperature and osmotolerance assays and pcr reac ... | 2005 | 16457479 |
| quantification of ozone uptake at the stand level in a pinus canariensis forest in tenerife, canary islands: an approach based on sap flow measurements. | ozone uptake was studied in a pine forest in tenerife, canary islands, an ecotone with strong seasonal changes in climate. ambient ozone concentration showed a pronounced seasonal course with high concentrations during the dry and warm period and low concentrations during the wet and cold season. ozone uptake by contrast showed no clear seasonal trend. this is because canopy conductance significantly decreased with soil water availability and vapour pressure deficit. mean daily ozone uptake aver ... | 2006 | 16457921 |
| reading levels of spanish deaf students. | the reading levels of a population of 93 spanish deaf students were examined. all study participants had prelingual profound hearing loss; their ages ranged from 9 to 20 years. all were enrolled in compulsory education during 2002-2003 in the canary islands (spain). they were evaluated with sentence and text comprehension subtests from the evaluation of reading processes of primary education students, whose spanish acronym is prolec (cuetos, rodríguez, & ruano, 1996). a questionnaire on reading ... | 2005 | 16466193 |
| analysis by gas chromatography-mass spectrometry of the volatiles from the fruits of ammodaucus leucotrichus subsp. leucotrichus and subsp. nanocarpus grown in north africa and the canary islands, respectively. | the volatiles from the fruits of ammodaucus leucotrichus subsp. leucotrichus and subsp. nanocarpus (two endemic species, the first from north africa and the second from the canary islands, spain) were studied by gas chromatography and gas chromatography-mass spectrometry. the major components of the volatiles of subsp. nanocarpus were found to be, beta-pinene (22.2-33.6%), bornyl angelate (20.6-21.8%) and camphor (8.3-11.7%) whereas in the fruits of subsp. leucotrichus, the main constituents wer ... | 2006 | 16472529 |
| [melanoma epidemiology in spain]. | spain has one of europe's lowest melanoma incidence and mortality rates. nevertheless, it is one of the fastest-growing pathologies in our country, with a 181.3% increase in the incidence rate in men and 205.3% increase in women. it represents 1.3% and 2.5% of malignant tumors in men and women, respectively, while the current standardized worldwide rate is respectively 2.4% and 4.9%. the highest incidence levels correspond to tarragona for men (6.81%) and gerona for women (8.24%), and lowest to ... | 2005 | 16476268 |
| human rickettsia felis infection, canary islands, spain. | we report the first cases of human infection by rickettsia felis in the canary islands. antibodies against r. felis were found in 5 adsorbed serum samples from 44 patients with clinically suspected rickettsiosis by western blot serology. fleas from 1 patient's dog were positive for r. felis by polymerase chain reaction. | 2005 | 16485491 |
| ciguatera fish poisoning, canary islands. | | 2005 | 16485501 |
| nonlinear model predicts diverse respiratory patterns of birdsong. | a central aspect of the motor control of birdsong production is the capacity to generate diverse respiratory rhythms, which determine the coarse temporal pattern of song. the neural mechanisms that underlie this diversity of respiratory gestures and the resulting acoustic syllables are largely unknown. we show that the respiratory patterns of the highly complex and variable temporal organization of song in the canary (serinus canaria) can be generated as solutions of a simple model describing th ... | 2006 | 16486997 |
| qualitative inheritance of rind pattern and flesh color in watermelon. | watermelon [citrullus lanatus (thunb.) matsum. & nakai var. lanatus] is a diverse species, with fruits of different sizes, shapes, rind patterns, and flesh colors. this study measured the inheritance of novel rind phenotypes and verified the genetics of white, red, salmon yellow, and canary yellow flesh colors. for each of the 11 crosses, six generations (p(a)s1, p(b)s1, f1, f2, bc1p(a), and bc1p(b)) were produced to form 11 families. three new genes were identified and designated as follows: sc ... | 2006 | 16489140 |
| three times out of asia minor: the phylogeography of arabis alpina l. (brassicaceae). | arabis alpina is a characteristic plant in arctic-alpine habitats and serves as a classical example to demonstrate biology, ecology and biogeography of arctic-alpine disjuncts. it has a wider distribution than most other arctic-alpine plants, covering all european mountain systems, the canary islands, north africa, the high mountains of east africa and ethiopia, the arabian peninsula and mountain ranges of central asia in iran and iraq. additionally it is found in the northern amphi-atlantic are ... | 2006 | 16499705 |
| new founding mutation in msh2 associated with hereditary nonpolyposis colorectal cancer syndrome on the island of tenerife. | lynch syndrome or hereditary nonpolyposis colorectal cancer (hnpcc) is a hereditary syndrome with genetic heterogeneity. the disease is caused by mutations or epigenetic silencing in dna mismatch repair genes, mlh1, msh2, msh6, pms2 and mlh3, although the vast majority of cases correspond to mutations of mlh1 and msh2. we herein describe a nucleotide change, c.2063t>g in exon 13 of the msh2 gene, present in families that fulfill the amsterdam criteria for lynch syndrome and originate from northe ... | 2006 | 16500024 |
| olive oil consumption and risk of breast cancer in the canary islands: a population-based case-control study. | breast cancer mortality and incidence rates in the canary islands, and particularly in gran canaria, are higher than those in the rest of spain. | 2006 | 16512965 |
| renal replacement therapy in the canary islands: demographic and survival analysis. | the continuous increase in the number of patients on renal replacement therapy (rrt) has heightened the importance of renal patient registries to respond to the demand for data on the state of health, quality and cost of care provided for these patients. our aim was to analyze the epidemiological profile of this population in the canary islands. | 2006 | 16523433 |
| genetic diversity among xanthomonas campestris strains pathogenic for small grains. | a collection of 51 xanthomonas campestris strains from throughout the world was studied to detect and assess genetic diversity among pathogens of small grains. isolates from barley, bread wheat, bromegrass, canary grass, cassava, maize, orchard grass, rice, rough-stalked meadow grass, rye, timothy, and triticale were analyzed by pathogenicity tests on bread wheat cv. alondra and barley cv. corona, indirect immunofluorescence, and restriction fragment length polymorphism (rflp). three probes were ... | 1995 | 16534952 |
| [diabetes mellitus in spain: death rates, prevalence, impact, costs and inequalities]. | describing the situation of diabetes mellitus (dm) in spain from a public health perspective. material and method: manual review of books and other documents on diabetes mellitus in spain was conducted. in addition, a specific research of articles published using mesh terms diabetes mortality, prevalence, incidence, cost, inequalities and spain was conducted in medline through internet (pubmed). minimun basic data set was utilized as source for complication description by communities autonomus. | 2006 | 16539961 |
| evaluation of 5 new media containing extracts of seeds applied to candida dubliniensis screening. | candida dubliniensis is a recently described pathogenic species that shares many phenotypic features with candida albicans and so may be misidentified in microbiologic laboratories. the aim of this study is to find a useful and cost-effective method suitable for screening c. dubliniensis before proceeding to further identification. we examined the colony morphology and chlamydospore production of 26 c. dubliniensis isolates and 100 c. albicans isolates on the following 5 proposed media: sesame s ... | 2006 | 16545931 |
| the etiology of a canary bird epizootic. | | 1926 | 16559200 |
| mutation g47r in the bsnd gene causes bartter syndrome with deafness in two spanish families. | bartter syndrome (bs) is a heterogeneous group of autosomal recessive hypokalaemic salt-losing tubulopathies. five types of bs caused by different genetic defects have been identified, and one of them is associated with sensorineural deafness (bsnd). mutations in the recently described bsnd gene, mapped in chromosome 1p31, have been reported to be associated with bsnd. this gene encodes barttin, an essential beta-subunit subunit for clc-ka and clc-kb channels. both subunits are co-expressed in b ... | 2006 | 16572343 |
| increasing serum levels of non-ddt-derivative organochlorine pesticides in the younger population of the canary islands (spain). | organochlorine pesticides are a lipophilic class of chemicals that persist in the environment and tend to accumulate in human tissues for years. they came into widespread use in the late 1940s. because of their capacity to bioaccumulate and biomagnify in food chains and their toxic effects, most of them were banned in industrialized countries, among them spain, in the late 1970s and 1980s. in 1998 organochlorine pesticides were determined in a representative sample of a spanish population (aroun ... | 2006 | 16580052 |
| a souvenir from the canary islands. | | 2006 | 16581412 |
| identification of a novel circovirus in australian ravens (corvus coronoides) with feather disease. | the complete genome of a novel circovirus isolated from an australian raven (corvus coronoides) with feather lesions similar to those that occur in psittacine beak and feather disease is reported. degenerate polymerase chain reaction primers were designed to amplify and sequence novel circovirus dna from affected feathers. sequence analysis indicated that the tentatively named raven circovirus (racv) was 1898 nucleotides in size with two major open reading frames synonymous with other avian circ ... | 2006 | 16595298 |