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  1. Article: Detection of reactive allergens in long-distance transported pollen grains: Evidence from Ambrosia

    Celenk, Sevcan

    Atmospheric environment. 2019 July 15, v. 209

    2019  

    Abstract: The pollen of Ambrosia artemisiifolia (ragweed) is an important aeroallergen. The plant originated from North America and, has spread worldwide in recent decades. Air masses can transport pollen grains far from their source region and episodes of long ... ...

    Abstract The pollen of Ambrosia artemisiifolia (ragweed) is an important aeroallergen. The plant originated from North America and, has spread worldwide in recent decades. Air masses can transport pollen grains far from their source region and episodes of long distance transported (LDT) of ragweed pollen have been reported. The allergenic properties of LDT pollen grains can be altered by humidity, temperature and UV radiation. The aims of the study are to detect the major allergen of ragweed (Amb a 1) in the atmosphere of uninfested areas and to compare daily Ambrosia sp. pollen grains with Amb a 1 amount per m3 of air. Samples for allergen detection were collected by ChemVol® sampler. ChemVol® collects particles at 800 l/min and contains 2 impaction stages (PM > 10 μm and 10 > PM > 2.5 μm). Samples collected on to filters were obtained during a 63 day period in the year 2014. Amb a 1 was recorded on 54 days and pollen grains of ragweed on 43 days. Diurnal average Amb a 1 concentrations ranged between 0.29 and 263.3 pg per cubic meter of air and correlated positively with daily average ragweed pollen concentrations. The average seasonal Ambrosia pollen allergen potency was 2.57 pg Amb a 1/pollen. The air mass movement was simulated using the HYbrid Single-particle Lagrangian Integrated Trajectory (HYSPLIT) model and back-trajectory paths were computed for four episodes. The findings suggest that ragweed pollen allergens still survive after at least 48 h during transport over long distances from allochthonous regions and are therefore a potential trigger of allergic reactions even in areas where ragweed is not widely dispersed.
    Keywords Ambrosia artemisiifolia ; air ; allergenicity ; allergens ; atmospheric chemistry ; fate and transport models ; filters ; humidity ; mass movement ; pollen ; temperature ; ultraviolet radiation ; North America
    Language English
    Dates of publication 2019-0715
    Size p. 212-219.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 216368-8
    ISSN 0004-6981 ; 1352-2310
    ISSN 0004-6981 ; 1352-2310
    DOI 10.1016/j.atmosenv.2019.04.040
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  2. Article ; Online: Assessment of heterogeneity of two cultivars of Olea europaea based on the study of their Ole e 1 protein content.

    Celenk, Sevcan / Vatansever, Buse

    Environmental science and pollution research international

    2021  

    Abstract: Olive pollen is one of the main causes of allergic disease in the Mediterranean area. Ten different proteins with allergenic activity have been described in olive pollen, with major allergen Ole e 1. Olea europaea L. may cause allergenic effects of ... ...

    Abstract Olive pollen is one of the main causes of allergic disease in the Mediterranean area. Ten different proteins with allergenic activity have been described in olive pollen, with major allergen Ole e 1. Olea europaea L. may cause allergenic effects of different severity depending on the Ole e 1 content of cultivars. In this paper, we aimed to assess the heterogeneity of two olive cultivars concerning concentrations of the major allergen Ole e 1 during a period of 2 years. Pollens from two most common olive cultivars, known as "Gemlik" and "Celebi," were analyzed on regular basis. Ole e 1 amounts were measured by double-sandwich enzyme-linked immunosorbent assay (ELISA). The results were expressed as μg of Ole e 1 per μg of total freeze-dried extract. Comparisons of Ole e 1 levels were made both between individual trees and between cultivars. It was analyzed the influence of some meteorological parameters on pollen counts/allergenic content on a local scale, for 2 years. Pollen sampling was carried out continuously for 2 years, using a Hirst-type volumetric trap. "Gemlik" had the higher value (mean ± standard deviation) of Ole e 1 content (2.44 ±0.70 and 1.87 ±1.03 μg/μg, respectively) when compared to "Celebi" (2.16 ±0.86 and 0.20 ±0.30 μg/μg, respectively) in the years 2013 and 2015. In our research, daily variations were observed in pollen samples of two olive cultivars and even different trees of the same cultivar. Furthermore, during certain sampling days, discrepancies between airborne pollen counts and Ole e 1 concentrations were detected for both cultivars. It was found that meteorological changes, especially temperature and precipitation fluctuations, could affect airborne pollen and Ole e 1 allergen levels in the atmosphere. Therefore, pollen samples of different O. europaea cultivars demonstrated great differences in Ole e 1 content. We believe that these findings were a result of alternate bearing behavior modulated by meteorological factors.
    Language English
    Publishing date 2021-02-27
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-021-13122-2
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  3. Article: Assessment of heterogeneity of two cultivars of Olea europaea based on the study of their Ole e 1 protein content

    Celenk, Sevcan / Vatansever, Buse

    Environmental science and pollution research. 2021 July, v. 28, no. 25

    2021  

    Abstract: Olive pollen is one of the main causes of allergic disease in the Mediterranean area. Ten different proteins with allergenic activity have been described in olive pollen, with major allergen Ole e 1. Olea europaea L. may cause allergenic effects of ... ...

    Abstract Olive pollen is one of the main causes of allergic disease in the Mediterranean area. Ten different proteins with allergenic activity have been described in olive pollen, with major allergen Ole e 1. Olea europaea L. may cause allergenic effects of different severity depending on the Ole e 1 content of cultivars. In this paper, we aimed to assess the heterogeneity of two olive cultivars concerning concentrations of the major allergen Ole e 1 during a period of 2 years. Pollens from two most common olive cultivars, known as “Gemlik” and “Celebi,” were analyzed on regular basis. Ole e 1 amounts were measured by double-sandwich enzyme-linked immunosorbent assay (ELISA). The results were expressed as μg of Ole e 1 per μg of total freeze-dried extract. Comparisons of Ole e 1 levels were made both between individual trees and between cultivars. It was analyzed the influence of some meteorological parameters on pollen counts/allergenic content on a local scale, for 2 years. Pollen sampling was carried out continuously for 2 years, using a Hirst-type volumetric trap. “Gemlik” had the higher value (mean ± standard deviation) of Ole e 1 content (2.44 ±0.70 and 1.87 ±1.03 μg/μg, respectively) when compared to “Celebi” (2.16 ±0.86 and 0.20 ±0.30 μg/μg, respectively) in the years 2013 and 2015. In our research, daily variations were observed in pollen samples of two olive cultivars and even different trees of the same cultivar. Furthermore, during certain sampling days, discrepancies between airborne pollen counts and Ole e 1 concentrations were detected for both cultivars. It was found that meteorological changes, especially temperature and precipitation fluctuations, could affect airborne pollen and Ole e 1 allergen levels in the atmosphere. Therefore, pollen samples of different O. europaea cultivars demonstrated great differences in Ole e 1 content. We believe that these findings were a result of alternate bearing behavior modulated by meteorological factors.
    Keywords Olea europaea ; allergenicity ; allergens ; cultivars ; enzyme-linked immunosorbent assay ; freeze drying ; olives ; pollen ; pollution ; protein content ; research ; standard deviation ; temperature ; Mediterranean region
    Language English
    Dates of publication 2021-07
    Size p. 33545-33556.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-021-13122-2
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  4. Article ; Online: Comparative palynomorphological study of the genus Symphoricarpos (Caprifoliaceae): exine sculpture and implications for evolution

    Tsymbalyuk, Zoya M. / Çelenk, Sevcan / Bell, Charles D. / Nitsenko, Lyudmіla M. / Mosyakin, Sergei L.

    Palynology. 2022 Oct. 2, v. 46, no. 4 p.1-14

    2022  

    Abstract: Recent molecular phylogenetic studies of Dipsacales place Symphoricarpos in a clade containing Leycesteria, Triosteum, and Lonicera. The aim of this research was to analyze the palynomorphological features of taxa of Symphoricarpos and to compare the ... ...

    Abstract Recent molecular phylogenetic studies of Dipsacales place Symphoricarpos in a clade containing Leycesteria, Triosteum, and Lonicera. The aim of this research was to analyze the palynomorphological features of taxa of Symphoricarpos and to compare the results with the taxonomic classification scheme and molecular phylogenetic data. Pollen morphology of 20 herbarium specimens belonging to 12 taxa of Symphoricarpos was studied using both light microscopy and scanning electron microscopy. Pollen are 3(4)-colporate, obtate to subprolate (Polar axis (P) /Equatorial diameter (E) = 0.73−1.21) in shape, and medium- and large-sized (P=27.93–62.51 µm, E=25.27−69.16 µm). Three types of exine sculpture are recognized in the genus: type I – psilate-perforate, type II – microechinate-nanoechinate, and type III – echinate-microechinate-nanoechinate. Within these pollen types, seven subtypes are distinguished based on details of the exine sculpture, pollen size, details of colpi, and presence/absence and width of annuli. It has been established that the important diagnostic features at the species level for the purposes of taxonomy of Symphoricarpos are the size of pollen grains, details of the colpi and ores, presence/absence and width of the annuli, and exine sculpture. The pollen morphology of Symphoricarpos taxa allows the establishment of hypotheses regarding the evolution of exine sculpture. In particular, we assume that there is an evolutionary trend toward a decrease in the size and number of echini and microechini. Echinate-microechinate-nanoechinate exine sculpture is hypothesized to be a plesiomorphic condition within the genus Symphoricarpos.
    Keywords Lonicera ; Symphoricarpos ; electron microscopy ; exine ; herbaria ; light microscopy ; palynology ; phylogeny ; pollen ; pollen morphology ; pollen size ; taxonomy ; exine sculpture ; diagnostic features ; SEM analysis
    Language English
    Dates of publication 2022-1002
    Size p. 1-14.
    Publishing place Taylor & Francis
    Document type Article ; Online
    ZDB-ID 2179197-1
    ISSN 1558-9188 ; 0191-6122
    ISSN (online) 1558-9188
    ISSN 0191-6122
    DOI 10.1080/01916122.2022.2052993
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  5. Article ; Online: The occurrence of Ambrosia pollen in the atmosphere of Northwest Turkey: investigation of possible source regions.

    Celenk, Sevcan / Malyer, Hulusi

    International journal of biometeorology

    2017  Volume 61, Issue 8, Page(s) 1499–1510

    Abstract: Ambrosia pollen was first reported as an important allergen in North America at the end of the nineteenth century, and many European countries have recently reported its increasing significance for pollen allergy. The aims of this study were to determine ...

    Abstract Ambrosia pollen was first reported as an important allergen in North America at the end of the nineteenth century, and many European countries have recently reported its increasing significance for pollen allergy. The aims of this study were to determine whether the highly allergenic Ambrosia pollen recorded during the studied period could be the result of long-distance transport (LDT) and to identify the potential sources of Ambrosia pollen grains. The study investigates Ambrosia pollen episodes during the peak term of six yearly periods between 2010 and 2015 by examining source regions in Ambrosia pollen in Bursa, Turkey. A volumetric trap was used for collecting the pollen samples, and the back-trajectory model was used to identify a potential source of atmospheric Ambrosia pollen. The days when pollen levels exceeded 30 P m
    MeSH term(s) Air Pollutants/analysis ; Allergens/analysis ; Ambrosia ; Antigens, Plant ; Environmental Monitoring ; Plant Extracts ; Seasons ; Turkey ; Wind
    Chemical Substances Air Pollutants ; Allergens ; Antigens, Plant ; Plant Extracts ; ragweed pollen
    Language English
    Publishing date 2017-02-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 280324-0
    ISSN 1432-1254 ; 0020-7128
    ISSN (online) 1432-1254
    ISSN 0020-7128
    DOI 10.1007/s00484-017-1328-y
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  6. Article: The occurrence of Ambrosia pollen in the atmosphere of Northwest Turkey: investigation of possible source regions

    Celenk, Sevcan / Hulusi Malyer

    International journal of biometeorology. 2017 Aug., v. 61, no. 8

    2017  

    Abstract: Ambrosia pollen was first reported as an important allergen in North America at the end of the nineteenth century, and many European countries have recently reported its increasing significance for pollen allergy. The aims of this study were to determine ...

    Abstract Ambrosia pollen was first reported as an important allergen in North America at the end of the nineteenth century, and many European countries have recently reported its increasing significance for pollen allergy. The aims of this study were to determine whether the highly allergenic Ambrosia pollen recorded during the studied period could be the result of long-distance transport (LDT) and to identify the potential sources of Ambrosia pollen grains. The study investigates Ambrosia pollen episodes during the peak term of six yearly periods between 2010 and 2015 by examining source regions in Ambrosia pollen in Bursa, Turkey. A volumetric trap was used for collecting the pollen samples, and the back-trajectory model was used to identify a potential source of atmospheric Ambrosia pollen. The days when pollen levels exceeded 30 P m⁻³ were computed, and clusters were shown on the figures. The study indicates that the Ambrosia pollen grains recorded during the episode in Bursa were not produced by local sources but transported long distances from potential source regions around the Azov Sea in Russia and Ukraine, Black Sea region of Turkey, Romania, and Bulgaria. Note that atmospheric concentrations of Ambrosia pollen exceeded the clinical threshold during 28 days during the investigation period. Taking into consideration the high allergenicity of Ambrosia pollen, the present findings suggest that the number of ragweed-sensitized individuals might increase in the near future in the region.
    Keywords Ambrosia ; allergenicity ; allergens ; bioclimatology ; hay fever ; models ; pollen ; Black Sea ; Bulgaria ; North America ; Romania ; Russia ; Turkey (country) ; Ukraine
    Language English
    Dates of publication 2017-08
    Size p. 1499-1510.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    ZDB-ID 127361-9
    ISSN 0067-8902 ; 0020-7128
    ISSN 0067-8902 ; 0020-7128
    DOI 10.1007/s00484-017-1328-y
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  7. Article ; Online: Pollen morphology of some species of the genus Cephalaria Schrad. (Caprifoliaceae) and its significance for taxonomy.

    Tsymbalyuk, Zoya M / Celenk, Sevcan / Mosyakin, Sergei L / Nitsenko, Lyudmila M

    Microscopy research and technique

    2020  Volume 84, Issue 4, Page(s) 682–694

    Abstract: Palynology gives the evidence for identification and elimination of taxonomically complex genera. Pollen morphology of nine species (three subg., three sect.) of the genus Cephalaria Schrad. was studied using light microscopy and scanning electron ... ...

    Abstract Palynology gives the evidence for identification and elimination of taxonomically complex genera. Pollen morphology of nine species (three subg., three sect.) of the genus Cephalaria Schrad. was studied using light microscopy and scanning electron microscopy. Pollen grains of all investigated species are triporate, suboblate to subprolate (P/E = 0.75-1.28), and large-sized (P = 58.52 μm-114.38, E = 63.84-119.70 μm). The outline of pollen grains in equatorial view is circular or elliptic, in polar view circular, circular-triangular, or triangular. Pores are distinct, lolongate, elliptic, or circular, with an annulus, operculum, and distinct or indistinct, wide halo surrounding the aperture. Exine sculpture is echinate-microechinate or echinate-microechinate-nanoechinate. Additional diagnostic characters at the species level in Cephalaria Schrad. that can be used for the purposes of taxonomy are size of pollen grains and pores, the shape of pores, the width of the annulus, structure of the exine, dimension of echini and microechini, location of microechini, and presence/absence of nanoechini. Palynomorphological data are compared with the taxonomical classification system of investigated taxa. It is shown that pollen grains morphology of the genus Cephalaria Schrad. is similar to the pollen morphology of the genus Dipsacus L., which confirms their inclusion in the Dipsaceae tribe.
    MeSH term(s) Caprifoliaceae ; Dipsacaceae ; Microscopy, Electron, Scanning ; Pollen
    Language English
    Publishing date 2020-10-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1099714-3
    ISSN 1097-0029 ; 1059-910X
    ISSN (online) 1097-0029
    ISSN 1059-910X
    DOI 10.1002/jemt.23627
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  8. Article ; Online: Outdoor airborne allergens: Characterization, behavior and monitoring in Europe.

    Grewling, Łukasz / Ribeiro, Helena / Antunes, Celia / Apangu, Godfrey Philliam / Çelenk, Sevcan / Costa, Ana / Eguiluz-Gracia, Ibon / Galveias, Ana / Gonzalez Roldan, Nestor / Lika, Mirela / Magyar, Donát / Martinez-Bracero, Moises / Ørby, Pia / O'Connor, David / Penha, Alexandra Marchã / Pereira, Sónia / Pérez-Badia, Rosa / Rodinkova, Victoria / Xhetani, Merita /
    Šauliene, Ingrida / Skjøth, Carsten Ambelas

    The Science of the total environment

    2023  Volume 905, Page(s) 167042

    Abstract: Aeroallergens or inhalant allergens, are proteins dispersed through the air and have the potential to induce allergic conditions such as rhinitis, conjunctivitis, and asthma. Outdoor aeroallergens are found predominantly in pollen grains and fungal ... ...

    Abstract Aeroallergens or inhalant allergens, are proteins dispersed through the air and have the potential to induce allergic conditions such as rhinitis, conjunctivitis, and asthma. Outdoor aeroallergens are found predominantly in pollen grains and fungal spores, which are allergen carriers. Aeroallergens from pollen and fungi have seasonal emission patterns that correlate with plant pollination and fungal sporulation and are strongly associated with atmospheric weather conditions. They are released when allergen carriers come in contact with the respiratory system, e.g. the nasal mucosa. In addition, due to the rupture of allergen carriers, airborne allergen molecules may be released directly into the air in the form of micronic and submicronic particles (cytoplasmic debris, cell wall fragments, droplets etc.) or adhered onto other airborne particulate matter. Therefore, aeroallergen detection strategies must consider, in addition to the allergen carriers, the allergen molecules themselves. This review article aims to present the current knowledge on inhalant allergens in the outdoor environment, their structure, localization, and factors affecting their production, transformation, release or degradation. In addition, methods for collecting and quantifying aeroallergens are listed and thoroughly discussed. Finally, the knowledge gaps, challenges and implications associated with aeroallergen analysis are described.
    MeSH term(s) Allergens/analysis ; Pollen/chemistry ; Asthma ; Particulate Matter/analysis ; Europe ; Air Pollutants/analysis
    Chemical Substances Allergens ; Particulate Matter ; Air Pollutants
    Language English
    Publishing date 2023-09-12
    Publishing country Netherlands
    Document type Review ; Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2023.167042
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  9. Article: Aerobiological investigation in Bitlis, Turkey.

    Celenk, Sevcan / Bicakci, Adem

    Annals of agricultural and environmental medicine : AAEM

    2005  Volume 12, Issue 1, Page(s) 87–93

    Abstract: A continuous aeropalynological survey of the atmosphere of Bitlis was carried out from January 2001 to December 2002 by means of the gravimetric method using Durham apparatus. Weekly pollen grains in per cm(2) were calculated. During two years, a total ... ...

    Abstract A continuous aeropalynological survey of the atmosphere of Bitlis was carried out from January 2001 to December 2002 by means of the gravimetric method using Durham apparatus. Weekly pollen grains in per cm(2) were calculated. During two years, a total of 3,323 pollen grains/cm(2) which belong to 46 taxa, 21 of total belong to arboreal (AP) and 25 of total non-arboreal (NAP) plants, and unidentified pollen grains were recorded. In 2001, 1,833 pollen grains and in 2002, 1,490 pollen grains were recorded. Total pollen grains consist of 39.39 % AP, 59.28 % NAP plants and 1.32 % unidentified pollen grains. Gramineae, Urticaceae, Juglans spp., Quercus spp., Umbellifereae, Cupressaceae/Taxaceae, Fraxinus spp., Salix spp., Plantago spp., Pinus spp., Rumex spp., Moraceae and Chenopodiaceae/Amaranthaceae were responsible for the greatest amounts of pollens in the investigated region. 58.38 % of total pollen grains were appeared during May and June.
    MeSH term(s) Air Pollutants/adverse effects ; Air Pollutants/isolation & purification ; Allergens/adverse effects ; Allergens/isolation & purification ; Environmental Monitoring/methods ; Humans ; Meteorological Concepts ; Pollen ; Retrospective Studies ; Risk Factors ; Seasons ; Turkey
    Chemical Substances Air Pollutants ; Allergens
    Language English
    Publishing date 2005
    Publishing country Poland
    Document type Journal Article
    ZDB-ID 1215115-4
    ISSN 1898-2263 ; 1232-1966
    ISSN (online) 1898-2263
    ISSN 1232-1966
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  10. Article: A palynological study of the genus Nepeta L. (Lamiaceae)

    Celenk, Sevcan / Dirmenci, Tuncay / Malyer, Hulusi / Bicakci, Adem

    Plant systematics and evolution. 2008 Nov., v. 276, no. 1-2

    2008  

    Abstract: The pollen morphology of forty taxa of the genus Nepeta L. was studied and documented in detail using light microscopy (LM) and scanning electron (SEM) microscopy in this study. Nepeta L. pollen grains are small to large (P = 18.64-63.46 μm, E = 15.62-46. ...

    Abstract The pollen morphology of forty taxa of the genus Nepeta L. was studied and documented in detail using light microscopy (LM) and scanning electron (SEM) microscopy in this study. Nepeta L. pollen grains are small to large (P = 18.64-63.46 μm, E = 15.62-46.33 μm), suboblate to perprolate (P/E = 0.86-2.09) in shape and hexacolpate (very rarely tetracolpate) with granular membranes. Alternate position of colpi occurs in six Nepeta taxa, N. nuda ssp. glandulifera, N. concolor, N. crinita, N. congesta var. cryptantha, N. stricta var. stricta and N. sibthorpii ssp. tumeniana. In examinations of exine ornamentation with SEM, two types of pollen grains were recognized: (1) type I, with microreticulate sculpture; and (2) type II with bireticulate sculpture, type I and II to be divided into two and five subtypes, respectively. In the two taxa with microreticulate pattern, N. pilinux and N. sulfuriflora, a tendency towards a bireticulum could be recognized due to traces of secondary tectal connections. The bireticulate exine ornamentation is characterized with varying characteristics of the primary muri and secondary reticulum. Pollen morphology within the genus is compared with infrageneric relationships.
    Keywords Cryptantha ; Nepeta ; light microscopy ; palynology ; pollen ; reticulum
    Language English
    Dates of publication 2008-11
    Size p. 105-123.
    Publisher Springer Vienna
    Publishing place Vienna
    Document type Article
    ZDB-ID 1463027-8
    ISSN 2199-6881 ; 0378-2697
    ISSN (online) 2199-6881
    ISSN 0378-2697
    DOI 10.1007/s00606-008-0062-7
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