نتایج جستجو برای: cupressaceae
تعداد نتایج: 427 فیلتر نتایج به سال:
The Cupressaceae clade has the broadest diversity in habitat and morphology of any conifer family. This clade is characterized by highly divergent physiological strategies, with deciduous swamp-adapted genera-like Taxodium at one extreme, and evergreen desert genera-like Cupressus at the other. The size disparity within the Cupressaceae is equally impressive, with members ranging from 5-m-tall ...
Cupressaceae pollen has one of the highest pollen incidences in the Mediterranean area and is present in the atmosphere practically all year round, although it is predominant in the winter period, when no other plants are flowering, making this particle a powerful allergen. In Europe, allergy to Cupressaceae pollen was considered a rarity until 1975, but is now a recognized clinical entity, Bel...
BACKGROUND Pollen released by allergenic members of the botanically unrelated families of Asteraceae and Cupressaceae represent potent elicitors of respiratory allergies in regions where these plants are present. As main allergen sources the Asteraceae species ragweed and mugwort, as well as the Cupressaceae species, cypress, mountain cedar, and Japanese cedar have been identified. The major al...
Family Cupressaceae is the largest coniferous plant family. Essential oils of many species belonging to family Cupressaceae are known to have several biological activities specially antimicrobial activity. The essential oils from aerial parts of Calocedrus decurrens Torr., Cupressus sempervirens stricta L. and Tetraclinis articulata (Vahl) Mast. were prepared by hydrodistillation. The chemical ...
the cypress family, cupressaceae, has a global dispersion. currently, endophytic microorganisms from plants are being investigated for their diversity and bioactivities. here, we aimed at exploration and characterization of cultivable endophytic fungi from foliar tissues of cupressaceae, i.e. cupressus arizonica, c. sempervirens var. cereiformis, c. sempervirens var. fastigiata, juniperus excel...
BACKGROUND non-injective routes of immunotherapy in respiratory allergy have being proposed as an alternative to conventional immunotherapy. We carried out a study to evaluate the clinical efficacy and effects sublingual immunotherapy (SLIT) in patient with Cupressaceae pollen respiratory allergy. METHODS twenty patients with Cupressaceae pollen (C. sempervirens) rhinoconjunctivitis, mild ast...
Phylogenetic information is essential to interpret the evolution of species. While DNA sequences from different genomes have been widely utilized in phylogenetic reconstruction, it is still difficult to use nuclear genes to reconstruct phylogenies of plant groups with large genomes and complex gene families, such as gymnosperms. Here, we use two single-copy nuclear genes, together with chloropl...
The present work analyses the airborne pollen dynamic of the atmosphere of Toledo (central Spain), a World Heritage Site and an important tourist city receiving over 2 millions of visitors every year. The airborne pollen spectrum, the annual dynamics of the most important taxa, the influence of meteorological variables and the risk of suffering pollen allergy are analysed. Results of the presen...
PREMISE OF THE STUDY Triassic and Jurassic fossils record structural changes in conifer seed cones through time, provide the earliest evidence for crown-group conifer clades, and further clarify sister-group relationships of modern conifer families. A new and distinct seed-cone from the Isle of Skye in western Scotland provides the oldest detailed evidence for the ancestral morphology of the ph...
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