| atmospheric pollen counts in tehran, iran, 1974. | daily pollen counts were made in tehran by placing a durham sampler on the roof of the college of pharmacy building at the university of tehran. three pollen seasons were identified in tehran. tree season extended from the first week of february through the middle of october. important pollens of tree season were willow, cedar, sycamore, pine, alder, walnuts, elm, cottonwood, oak and/or maple, birch, and beech. the grass season started from the first week of may and extended into the second week ... | 1976 | 967514 |
| use of standardized and conventional allergen extracts in prick skin testing. | this study examined whether commercially available conventional and standardized allergen extracts differ enough in potency to affect routine prick skin test results. extracts of white oak, timothy, bermuda, russian thistle, short ragweed, sagebrush, alternaria, and cat dander were examined in allergic patients and in nonatopic subjects with no personal or family history of asthma, rhinitis, or eczema. conventional nonstandardized extracts (1:10 or 1:20 wt/vol) from two sources were compared wit ... | 1992 | 1545087 |
| analysis of the individual allergens of russian thistle pollen by an enzyme-linked immunoblotting technique. | russian thistle pollen extract was analyzed by immunoblots of isoelectric focused and sds-page gels. twenty distinct protein bands were recognized by human ige- and igg-specific antibodies in the immunoblot from the sds-page gel. molecular weights of these allergens ranged from 12.2 kd to 85 kd. seventeen bands were detected on isoelectric focusing immunoblots with pi from 3.95 to 7.70. allergic subjects had differing individual patterns of protein band recognition. immunoblot techniques provide ... | 1989 | 2702232 |
| isolation and characterization of russian thistle (salsola pestifer) pollen allergens. | the radioallergosorbent test (rast) was utilized to identify allergenically active molecules in an extract of russian thistle (salsola pestifer) pollen. two glycoproteins (rt1 and rt2) were isolated by ion-exchange chromatography, preparative flat-bed electrofocusing, and gel filtration chromatography. these highly purified proteins were similar as judged by discontinuous polyacrylamide gel electrophoresis (page), by page in urea-acetate, and by immunodiffusion analysis. in ouchterlony double-di ... | 1981 | 7346531 |
| quantitative assessment of exposure to dog (can f 1) and cat (fel d 1) allergens: relation to sensitization and asthma among children living in los alamos, new mexico. | our objective was to identify the allergens associated with asthma among schoolchildren in an area of the united states where dust mite growth is expected to be poor. los alamos, n.m., was chosen because it has low rainfall and is at high altitude (7200 feet) making it very dry. one hundred eleven children (12 to 14 years old) from the middle school who had been previously classified according to bronchial hyperreactivity to histamine (bhr) were studied. | 1995 | 7560654 |
| studies of allergen extract stability: the effects of dilution and mixing. | however potent the allergy extracts provided by manufacturers, they are subject to deterioration with storage, especially after dilution or mixture with other extracts. | 1996 | 8757215 |
| biology of weed pollen allergens. | weeds represent a heterogeneous group of plants, usually defined by no commercial or aesthetic value. important allergenic weeds belong to the plant families asteraceae, amaranthaceae, urticaceae, euphorbiaceae, and plantaginaceae. major allergens from ragweed, mugwort, feverfew, pellitory, goosefoot, russian thistle, plantain, and mercurialis pollen have been characterized to varying degrees. four major families of proteins seem to be the major cause of allergic reactions to weed pollen: the ra ... | 2004 | 15283880 |
| prevalences of positive skin test responses to 10 common allergens in the us population: results from the third national health and nutrition examination survey. | allergy skin tests were administered in the second and third national health and nutrition examination surveys (nhanes ii and iii) conducted in the united states from 1976 through 1980 and 1988 through 1994, respectively. | 2005 | 16083793 |
| beet leafhopper (hemiptera: cicadellidae) transmits the columbia basin potato purple top phytoplasma to potatoes, beets, and weeds. | experiments were conducted to determine whether the beet leafhopper, circulifer tenellus (baker) (hemiptera: cicadellidae), transmits the purple top phytoplasma to potato, solanum tuberosum l.; beets, beta vulgaris l.; and selected weed hosts. the beet leafhopper-transmitted virescence agent (bltva) phytoplasma was identified as the causal agent of the potato purple top disease outbreaks that recently occurred in the columbia basin of washington and oregon. the phytoplasma previously was found t ... | 2006 | 16686123 |
| a pectin methylesterase as an allergenic marker for the sensitization to russian thistle (salsola kali) pollen. | chenopodiaceae pollen is considered the main cause of pollen allergy in desert countries and its incidence is world-wide increasing by the desertization of extensive zones. although the correlation between the sensitization to chenopodium album and salsola kali pollens of patients suffering from allergy to chenopodiaceae pollens is high, a significant number of patients exhibited ige sensitivity exclusively towards s. kali. | 2007 | 17581207 |
| allergy-related outcomes in relation to serum ige: results from the national health and nutrition examination survey 2005-2006. | the national health and nutrition examination survey (nhanes) 2005-2006 was the first population-based study to investigate levels of serum total and allergen-specific ige in the general us population. | 2011 | 21320720 |
| the pattern of sensitisation to inhalant allergens in omani patients with asthma, allergic rhinitis and rhinoconjunctivitis. | identification of relevant allergens that are prevalent in each environment which may have diagnostic and therapeutic implications in allergic diseases. this study aimed to identify the pattern of sensitisation to inhalant allergens in omani patients with asthma, allergic rhinitis and rhinoconjunctivitis. | 2008 | 21748078 |
| the natural profilin from russian thistle (salsola kali) contains a low ige-binding ability isoform--molecular and immunological characterization. | chenopodiaceae pollens such as those from salsola kali and chenopodium album are important causes of allergy in mediterranean areas because of the progress of desertification in european countries. among the various allergenic protein families, profilins constitute a group of pan-allergens that are involved in polysensitization and pollen-food allergy syndrome. two-dimensional electrophoresis analysis of s. kali profilin highlighted a polymorphic pattern, with several isoforms that have differen ... | 2012 | 23043287 |
| sal k 5, a member of the widespread ole e 1-like protein family, is a new allergen of russian thistle (salsola kali) pollen. | salsola kali is an amaranthaceae weed with important repercussions for pollinosis in temperate areas. ole e 1-like members are relevant allergens in pollen from different species. we aimed to characterize and produce as recombinant allergen s. kali ole e 1-like protein. | 2014 | 24356442 |
| root mass and vertical root distribution of five semi-arid plant species. | the root masses of big sagebrush, great basin wild rye, russian thistle, streambank wheatgrass, and crested wheatgrass were determined at 20 cm depth increments from plants grown in high clay content soils in cylindrical containers. all species had roots in the deepest (100-120 cm) depth increment. crested wheatgrass had the greatest average (+/- sd) total root mass (775 +/- 211 g). results provide data for some scenarios for fate and effect models for shallow-land burial of low-level radioactiv ... | 1990 | 2298574 |
| pollen-food syndromes associated with weed pollinosis: an update from the molecular point of view. | pollinosis patients often display adverse reactions upon the ingestion of plant-derived foods as a result of immunoglobulin e (ige) cross-reactive structures shared by pollen and food allergen sources. the symptoms of such pollen-food syndromes (pfs) or class 2 food allergies range from local oral allergy syndrome to severe systemic anaphylaxis. two clinical syndromes, the celery-mugwort-spice syndrome and the mugwort-mustard-allergy syndrome have been described in association with weed pollinos ... | 2006 | 16512809 |
| the effect of soil affixants on germination, emergence, and growth of cheatgrass and russian thistle. | | 1978 | 701042 |
| common aeroallergens in patients with asthma and allergic rhinitis living in southwestern part of iran: based on skin prick test reactivity. | aeroallergens continue to have a key role in the pathogenesis of asthma and allergic diseases and have recently received increased attention in medical research throughout the world. the prevalence of aeroallergens vary in different regions, depending on the type of climate. the aim of the present study was to determine prevalence of the sensitivity to aeroallergens among patients with asthma and allergic rhinitis (ar), based on skin prick test (spt) reactivity in the province of bushehr, iran. ... | 2015 | 25780879 |
| russian thistle pollinosis: form allergen characterization to specific immunotherapy treatment. | chenopodiacea/amaranthacea pollen is an important cause of respiratory allergy around the world. the problem could be aggravated because in desert or desert-like countries, these weeds are used in greening programmes or as ornamental plants. as climate tendencies should maintain in future decades, relevance of chenopodiacea/amaranthacea pollen allergy will go up. relationship between airborne pollen grains and symptoms may not follow conventional patterns, and a wide lag between pollen counts an ... | 2009 | 19273379 |
| report of common aeroallergens among allergic patients in northeastern iran. | the prevalence of atopic diseases has increased in recent decades dramatically. the most common aeroallergens in northeastern iran have not been fully defined. determining the most common aeroallergens in allergic patients based on the skin prick test (spt) was aimed in this investigation. | 2017 | 28393056 |
| the russian thistle (salsola kali) pollen major allergen, sal k 1, can be quantified in allergenic extracts and airborne pollen. | russian thistle (salsola kali) pollen is an important cause of pollinosis in areas where rainfall is not abundant. our aim was to develop an elisa for quantification of the major allergen of s. kali extracts, sal k 1, and to assess the correlation of this allergen content with the allergenic activity of extracts. | 2010 | 20185924 |
| food, ingestion rates, and assimilation in the desert millipede orthoporus ornatus (girard) (diplopoda). | orthoporus ornatus feeds mostly on dead plant material and on superficia tissue of desert shrubs. sand, small particles of rock, and parts of arthropods are also ingested. millipedes could not be induced to feed in the absence of moist soil in the laboratory after an initial day of feeding.field observations of apparent food preferences were made at several sites in the southwestern u.s. millipedes at big bend national park, texas, fed regularly on bark of the following desert shrubs: cholla (op ... | 1975 | 28308989 |
| development and population growth of lygus hesperus on selected weed hosts, artificial diet and cotton in the laboratory. | laboratory studies were conducted to obtain basic biological information of lygus hesperus knight (hemiptera: miridae) on alfalfa (medicago sativa l.), pigweed (amaranthus palmeri s. wats.), russian thistle (salsola iberica sennen and pau), green bean (phaseolus vulgaris l.), artificial diet, and cotton (gossypium hirsutum l.) square and cotton boll at 27 degrees c. the nymphal developmental duration was 28.8 d on cotton bolls, nearly twice longer, compared with approximately 15 d in other hosts ... | 2010 | 21309220 |