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[PMID]: 28989826
[Au] Autor:Wang SS; Zhang Y; Liu DC; Sun XW; Wang R; Li YY
[Ad] Address:School of Ecological and Environmental Sciences, Tiantong National Station of Forest Ecosystem, Shanghai Key Laboratory for Urban Ecology and Restoration, East China Normal University, Shanghai 200241, People's Republic of China.
[Ti] Title:Isolation and characterization of 30 microsatellite loci for (Taxodiaceae).
[So] Source:Appl Plant Sci;5(9), 2017 Sep.
[Is] ISSN:2168-0450
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:PREMISE OF THE STUDY: To quantify the population-level genetic characteristics of (Taxodiaceae), an important timber conifer, we developed 30 pairs of microsatellite primers based on the nuclear genome. METHODS AND RESULTS: Using the streptavidin-biotin capture system, we developed 14 polymorphic and 16 monomorphic microsatellites. Polymorphisms were detected in 14 loci using 94 individual trees that were collected from three populations in Hubei and Zhejiang provinces and in Chongqing Municipality, China. There were three to 30 alleles per locus, and the observed and expected heterozygosities ranged from 0.0313-0.8333 and from 0.0313-0.9246, respectively. Cross-species amplification showed that two to seven polymorphic loci were functional in three of the five related species that were collected. CONCLUSIONS: Our newly developed microsatellite primers provide neutral molecular markers that are beneficial to future studies of population genetics and germplasm conservation of .
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1710
[Cu] Class update date: 171013
[Lr] Last revision date:171013
[St] Status:PubMed-not-MEDLINE

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[PMID]: 26730645
[Au] Autor:Zhu W; Liu T; Liu C; Zhou F; Lai XE; Hu D; Chen J; Huang S
[Ad] Address:a Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm & College of Forestry and Landscape Architecture , South China Agricultural University , Guangzhou , China.
[Ti] Title:The complete chloroplast genome sequence of Cunninghamia lanceolata.
[So] Source:Mitochondrial DNA A DNA Mapp Seq Anal;28(3):405-406, 2017 May.
[Is] ISSN:2470-1408
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:We determined the complete chloroplast genome sequence of Cunninghamia lanceolata (GenBank accession: NC_021437.1) in this study. The total length of the chloroplast genome is 135 334 bp. The GC content is 35%. A total of 119 genes are successfully annotated, including 35 tRNA (20 tRNA species), 3 rRNA (3 rRNA species) and 81 protein-coding genes (81 PCG species). Twelve protein-coding genes (rps16, ycf3, rpoC1, atpF, rps12, ndhB, rpl2, rpl16, petD, petB, ndhA, rps15) contain one or two introns. A maximum likelihood phylogenetic analysis showed that this newly characterized Cunninghamia lanceolata chloroplast genome will provide essential data for further study on phylogenetic resolution, biodiversity for the genus Cunninghamia and Taxodiacea.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1601
[Cu] Class update date: 171016
[Lr] Last revision date:171016
[St] Status:In-Process
[do] DOI:10.3109/19401736.2015.1127366

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[PMID]: 28891605
[Au] Autor:Tu X; Xu XH; Zhang Y; Ruan QF; Gao HL; Yuan CY
[Ad] Address:Key Laboratory of Biological Resources Protection and Utilization of Hubei Province, Enshi 445000, China.
[Ti] Title:[Study on ecological environment and accompanying plants' community characteristics study of wild Panax japonicus in Enshi].
[So] Source:Zhongguo Zhong Yao Za Zhi;41(9):1596-1601, 2016 May.
[Is] ISSN:1001-5302
[Cp] Country of publication:China
[La] Language:chi
[Ab] Abstract:The paper is aimed to study the distribution, population density, soil conditions and community characteristics of accompanying plants' in Enshi sub-regional different areas, with a typical habitats investigation method. The results showed that the wild Panax japonicus mainly distributed in moist places under the forests, by streams, or secondary forests of high grass, within east longitude 29°-30°, north latitude 108°-110°and about 1 000-15 00 meters above sea level. The soils were mainly tide soil and humus with yellow-brown soil, yellow soil and red soil, and the humus thickness was5-30 centimeter, pH 6.0-6.8, the moisture content of 16.8%-24.2%, soil bulk density of 1.39-2.12. Its geographical vegetation types were mainly evergreen coniferous forest, evergreen-deciduous mixture broad leaved forest and evergreen coniferous forest mixed deciduous broad-leaved forest, including three levels community structure of arbors, shrubs and herbaceous; Its accompanying plants reached 86 families, 118 genera, 134 species of seed plants, the arbors included 15 families, 21 genera, 26 species and the dominant species community mainly Pinaceae such as Pinus massoniana, P. tabuliformis, P. henryi and Taxodiaceae such as Cunninghamia lanceolata, Cryptomeria fortunei etc. The shrubs included 39 families, 54 genera, 62 species with the dominant species such as Camellia oleifera, Kalopanax septemlobus, Akebia trifoliata, Trachycarpusfortunei, Rhamnus globosa, Smilax corbularia and so on. The herbaceous included 32 families, 43 genera, 46 species, and Ferns such as the black-footed Dryopteris, Dryopteris crassirhizom, Coniogramme affinis, Polystichum tripteron, Adiantum pedatum, Lunathyrium acrostichoides, Woodsia ilvensis and Woodwardia japonica were dominant species. The cover layer covered a large number of lichens and mosses. The wild P. japonicus can be found among the P. massoniana, P. tabuliformis, P. henryi, lichens and mosses. These may indicate that the wild P. japonicusin Enshi requires higher demands on the ecological environment, its accompanying plants are mainly the tree layer-shrub layer-herb layer, and vertical structure is obvious. The study provides a basis for domestication and conservation of P. japonicus resources.
[Pt] Publication type:ENGLISH ABSTRACT; JOURNAL ARTICLE
[Em] Entry month:1709
[Cu] Class update date: 170911
[Lr] Last revision date:170911
[St] Status:In-Process
[do] DOI:10.4268/cjcmm20160905

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[PMID]: 27399686
[Au] Autor:Zheng W; Chen J; Hao Z; Shi J
[Ad] Address:Collaborative Innovation Center of Sustainable Forestry in Southern China; Key Laboratory of Forestry Genetics and Biotechnology, Ministry of Education, Nanjing Forestry University, Longpan Road 159, Nanjing 210037, China. karrie.zheng@gmail.com.
[Ti] Title:Comparative Analysis of the Chloroplast Genomic Information of Cunninghamia lanceolata (Lamb.) Hook with Sibling Species from the Genera Cryptomeria D. Don, Taiwania Hayata, and Calocedrus Kurz.
[So] Source:Int J Mol Sci;17(7), 2016 Jul 07.
[Is] ISSN:1422-0067
[Cp] Country of publication:Switzerland
[La] Language:eng
[Ab] Abstract:Chinese fir (Cunninghamia lanceolata (Lamb.) Hook) is an important coniferous tree species for timber production, which accounts for ~40% of log supply from plantations in southern China. Chloroplast genetic engineering is an exciting field to engineer several valuable tree traits. In this study, we revisited the published complete Chinese fir (NC_021437) and four other coniferous species chloroplast genome sequence in Taxodiaceae. Comparison of their chloroplast genomes revealed three unique inversions found in the downstream of the gene clusters and evolutionary divergence were found, although overall the chloroplast genomic structure of the Cupressaceae linage was conserved. We also investigated the phylogenetic position of Chinese fir among conifers by examining gene functions, selection forces, substitution rates, and the full chloroplast genome sequence. Consistent with previous molecular systematics analysis, the results provided a well-supported phylogeny framework for the Cupressaceae that strongly confirms the "basal" position of Cunninghamia lanceolata. The structure of the Cunninghamia lanceolata chloroplast genome showed a partial lack of one IR copy, rearrangements clearly occurred and slight evolutionary divergence appeared among the cp genome of C. lanceolata, Taiwania cryptomerioides, Taiwania flousiana, Calocedrus formosana and Cryptomeria japonica. The information from sequence divergence and length variation of genes could be further considered for bioengineering research.
[Mh] MeSH terms primary: Comparative Genomic Hybridization
Cryptomeria/genetics
Cunninghamia/genetics
Cupressaceae/genetics
Genome, Chloroplast/genetics
[Mh] MeSH terms secundary: Chloroplasts/genetics
Cryptomeria/classification
Cunninghamia/classification
Cupressaceae/classification
Microsatellite Repeats/genetics
Phylogeny
Species Specificity
[Pt] Publication type:COMPARATIVE STUDY; JOURNAL ARTICLE
[Em] Entry month:1703
[Cu] Class update date: 170323
[Lr] Last revision date:170323
[Js] Journal subset:IM
[Da] Date of entry for processing:160712
[St] Status:MEDLINE

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[PMID]: 27089309
[Au] Autor:Chang CI; Chen CC; Chao CY; Wang SY; Chang HS; Sung PJ; Huang GJ; Li YC; Kuo YH
[Ad] Address:Department of Biological Science and Technology, National Pingtung University of Science and Technology, Pingtung 912, Taiwan. changchii@mail.npust.edu.tw.
[Ti] Title:Sesquiterpenoids and Diterpenoids from the Wood of Cunninghamia konishii and Their Inhibitory Activities against NO Production.
[So] Source:Molecules;21(4):490, 2016 Apr 13.
[Is] ISSN:1420-3049
[Cp] Country of publication:Switzerland
[La] Language:eng
[Ab] Abstract:Three new sesquiterpenoids, 2α-hydroxy-3,3,6α,9ß-tetramethyltricyclo[4,3,2(1,4)]undecane (1), 11-acetoxyeudesman-4ß-ol (4), and 2α,3ß-dihydroxy-4ß-methyl-6,8,10-cadinatriene (6), four known sesquiterpenoids (2, 3, 5, and 7), together with eight known diterpenoids (8-15), were isolated from the wood of Cunninghamia konishii. Their structures were determined by detailed analysis of spectroscopic data and comparison with the data of known analogues. Four sesquiterpenoids (1, 4, 5, and 6) and all the diterpenoids (8-15) were evaluated for inhibition of nitric oxide production in lipopolysaccharides (LPS)-activated RAW 264.7 macrophages and the results showed that compounds 10 and 15 exhibited moderate inhibitory activities against nitric oxide production.
[Mh] MeSH terms primary: Diterpenes/chemistry
Nitric Oxide/biosynthesis
Sesquiterpenes/chemistry
[Mh] MeSH terms secundary: Animals
Cunninghamia/chemistry
Diterpenes/isolation & purification
Diterpenes/pharmacology
Mice
Nitric Oxide/antagonists & inhibitors
Nitric Oxide/chemistry
RAW 264.7 Cells
Sesquiterpenes/isolation & purification
Sesquiterpenes/pharmacology
Wood/chemistry
[Pt] Publication type:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Name of substance:0 (Diterpenes); 0 (Sesquiterpenes); 31C4KY9ESH (Nitric Oxide)
[Em] Entry month:1612
[Cu] Class update date: 161230
[Lr] Last revision date:161230
[Js] Journal subset:IM
[Da] Date of entry for processing:160419
[St] Status:MEDLINE

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[PMID]: 26431700
[Au] Autor:Ríos B; Torres-Jardón R; Ramírez-Arriaga E; Martínez-Bernal A; Rosas I
[Ad] Address:Centro de Ciencias de la Atmosfera, UNAM, Mexico City, Mexico. berr86@gmail.com.
[Ti] Title:Diurnal variations of airborne pollen concentration and the effect of ambient temperature in three sites of Mexico City.
[So] Source:Int J Biometeorol;60(5):771-87, 2016 May.
[Is] ISSN:1432-1254
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:Pollen is an important cause of allergic respiratory ailments in the Mexico City Metropolitan Area (MCMA). However, very little is known if ambient air temperature correlates with the early blooming of plants observed in other urban areas around the world. A research study was conducted during the dry season of 2012-2013 at three representative sites of the MCMA with different urban characteristics with the aim to understand the relationships between the profusion and diversity of pollen against temperature and other meteorological variables and degree of urbanization. Pollen samples were collected using a Hirst-type trap sampler in the sites: Merced (highly urbanized), Iztapalapa (medium-high urbanized) and Coyoacan (moderately urbanized). Urbanization levels were determined using a composite index based on population density, proportion of surface covered by construction and asphalt, and urban heat island intensity. A set of representative pollen sampling tapes were assayed under a light microscope at magnification of ×1,000 and converted to grains per cubic meter. The most representative pollen types found in the three sites were, regardless of urbanization levels were: Fraxinus, Cupressaceae/Taxodiaceae, Casuarina, Alnus, Myrtaceae, and Pinus. Total pollen concentration was greatest in the moderately urbanized area, although earlier blooming took place at the highly urbanized zone. Total pollen concentration in the medium-high urbanized site has the lowest because the green areas in this zone of MCMA are few. In a diurnal basis, the most abundant pollen types peaked near midday or in the afternoon evening at the three sites. A Spearman test showed a positive correlation among bihourly pollen concentrations, temperature and relative humidity in all sites, but wind speed just correlated in Iztapalapa and Coyoacan. The results obtained suggest that Urban Heat Island Intensity can disturb flowering periods and pollen concentrations, largely in the highly urbanized areas. A principal components analysis established that the concentrations of each pollen type differed across the urbanization gradients. Additionally, it was found that a large number of allergenic pollens are produced by ornamental trees, some only recently introduced by urban planners.
[Mh] MeSH terms primary: Air Pollutants/analysis
Allergens/analysis
Pollen
[Mh] MeSH terms secundary: Circadian Rhythm
Cities
Magnoliopsida/physiology
Mexico
Seasons
Temperature
Urbanization
[Pt] Publication type:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; REVIEW
[Nm] Name of substance:0 (Air Pollutants); 0 (Allergens)
[Em] Entry month:1701
[Cu] Class update date: 171116
[Lr] Last revision date:171116
[Js] Journal subset:IM
[Da] Date of entry for processing:151004
[St] Status:MEDLINE
[do] DOI:10.1007/s00484-015-1061-3

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[PMID]: 25355521
[Au] Autor:Kimura MK; Uchiyama K; Nakao K; Moriguchi Y; San Jose-Maldia L; Tsumura Y
[Ad] Address:Department of Forest Genetics, Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, 305-8687, Japan.
[Ti] Title:Evidence for cryptic northern refugia in the last glacial period in Cryptomeria japonica.
[So] Source:Ann Bot;114(8):1687-700, 2014 Dec.
[Is] ISSN:1095-8290
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:BACKGROUND AND AIMS: Distribution shifts and natural selection during past climatic changes are important factors in determining the genetic structure of forest species. In particular, climatic fluctuations during the Quaternary appear to have caused changes in the distribution ranges of plants, and thus strongly affected their genetic structure. This study was undertaken to identify the responses of the conifer Cryptomeria japonica, endemic to the Japanese Archipelago, to past climatic changes using a combination of phylogeography and species distribution modelling (SDM) methods. Specifically, this study focused on the locations of refugia during the last glacial maximum (LGM). METHODS: Genetic diversity and structure were examined using 20 microsatellite markers in 37 populations of C. japonica. The locations of glacial refugia were assessed using STRUCTURE analysis, and potential habitats under current and past climate conditions were predicted using SDM. The process of genetic divergence was also examined using the approximate Bayesian computation procedure (ABC) in DIY ABC to test the divergence time between the gene pools detected by the STRUCTURE analysis. KEY RESULTS: STRUCTURE analysis identified four gene pools: northern Tohoku district; from Chubu to Chugoku district; from Tohoku to Shikoku district on the Pacific Ocean side of the Archipelago; and Yakushima Island. DIY ABC analysis indicated that the four gene pools diverged at the same time before the LGM. SDM also indicated potential northern cryptic refugia. CONCLUSIONS: The combined evidence from microsatellites and SDM clearly indicates that climatic changes have shaped the genetic structure of C. japonica. The gene pool detected in northern Tohoku district is likely to have been established by cryptic northern refugia on the coast of the Japan Sea to the west of the Archipelago. The gene pool in Yakushima Island can probably be explained simply by long-term isolation from the other gene pools since the LGM. These results are supported by those of SDM and the predicted divergence time determined using ABC analysis.
[Mh] MeSH terms primary: Cryptomeria/genetics
Ecosystem
Ice Cover
[Mh] MeSH terms secundary: Genetic Variation
Genetics, Population
Geography
Japan
Population Dynamics
Principal Component Analysis
Probability
[Pt] Publication type:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Entry month:1507
[Cu] Class update date: 170220
[Lr] Last revision date:170220
[Js] Journal subset:IM
[Da] Date of entry for processing:141031
[St] Status:MEDLINE
[do] DOI:10.1093/aob/mcu197

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[PMID]: 24772177
[Au] Autor:Chen F; Zhang L; Zong S; Xu S; Li X; Ye Y
[Ad] Address:Institute of Materia Medica, Zhejiang Academy of Medical Sciences, Tianmushan Road 182, Hangzhou, Zhejiang 310013, China.
[Ti] Title:Antioxidant Capacity and Proanthocyanidin Composition of the Bark of Metasequoia glyptostroboides.
[So] Source:Evid Based Complement Alternat Med;2014:136203, 2014.
[Is] ISSN:1741-427X
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:Metasequoia glyptostroboides Hu et Cheng is the only living species in the genus Metasequoia Miki ex Hu et Cheng (Taxodiaceae), which is well known as a "living fossil" species. In the Chinese folk medicine, the leaves and bark of M. glyptostroboides are used as antimicrobic, analgesic, and anti-inflammatory drug for dermatic diseases. This study is the first to report the free radical scavenging capacity, antioxidant activity, and proanthocyanidin composition of the bark of M. glyptostroboides. We observed total of six extracts and fractions, which were easily obtained by water-ethanol extraction and followed by a further separation with D101 resin column chromatography, had significant DPPH radical, superoxide anion radical, and hydroxyl radical scavenging capacity, total antioxidative capacity (T-AOC), lipid peroxidation inhibitory activity, and metal ions chelating capacity. The fraction MGEB, which was obtained by 60% ethanol extraction and followed by a further separation with D101 resin column chromatograph, possessed the highest proanthocyanidin content and the highest free radical scavenging and antioxidant activities. Furthermore, MGEB could significantly protect against CCl4 induced acute liver injury through inhibition of oxidative stress in mice. In addition, ten proanthocyanidins were isolated from MGEB, and six of them were firstly reported from this plant.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1404
[Cu] Class update date: 170220
[Lr] Last revision date:170220
[Da] Date of entry for processing:140429
[St] Status:PubMed-not-MEDLINE
[do] DOI:10.1155/2014/136203

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[PMID]: 26146687
[Au] Autor:Xue XF; Guo JF; Hong XY
[Ad] Address:Department of Entomology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China. xyhong@njau.edu.cn
[Ti] Title:Eriophyoid mites from Northeast China (Acari: Eriophyoidea).
[So] Source:Zootaxa;3689:1-123, 2013.
[Is] ISSN:1175-5326
[Cp] Country of publication:New Zealand
[La] Language:eng
[Ab] Abstract:We describe and illustrate herein one new genus and eighteen new eriophyoid mite species (Acari: Eriophyoidea) collected in northeast China. They are: Shevtchenkella huzhongiensis sp. nov. on Ulmus davidiana Planch. var. japonica (Sarg. ex Rehder) Nakai (Ulmaceae), Shevtchenkella jingboicus sp. nov. on Acer sp. (Aceraceae), Calepitrimerus flexuosus sp. nov. on Spiraea flexuosa Fisch. ex Cambess. (Rosaceae), Calepitrimerus maximowiczii sp. nov. on Crataegus maximowiczii Schneid. (Rosaceae), Calepitrimerus pilosus sp. nov. on Agrimonia pilosa Ledeb. (Rosaceae), Calepitrimerus yichunensis sp. nov. on Sorbaria sorbifolia (L.) A.Br. (Rosaceae), Cupacarus oxyphyllus sp. nov. on Euonymus oxyphyllus Miq. (Cel-astraceae), Epitrimerus sambucus sp. nov. on Sambucus williamsii Hance (Caprifoliaceae), Epitrimerus wuyingensis sp. nov. on Acer sp. (Aceraceae), Longisolenidionus amurensis gen. nov & sp. nov. on Tilia amurensis Rupr. (Tiliaceae), Phyllocoptes jiagedaqiensis sp. nov. on Cunninghamia sp. (Taxodiaceae), Aculops huzhongensis sp. nov. on Salix sp. (Sali-caceae), Aculus huzhongsalixus sp. nov. on Salix sp. (Salicaceae), Tetra angelica sp. nov. on Angelica sp. (Apiaceae), Tetra jiagedaqia sp. nov. on Lespedeza sp. (Fabaceae), Vittacus mandshurica sp. nov. on Corylus sieboldiana Blume var. mandshurica (Maxim.) C. K. Schneid. (Betulaceae), Vittacus cannabus sp. nov. on Cannabis sativa L. (Moraceae), and Peralox dentatis sp. nov. on Ulmus sp. (Ulmaceae). Two species formerly assigned to Rhyncaphytoptus, R. abiesis (Xue, Song & Hong, 2006) and R. fabris (Xue, Song & Hong, 2006) were reassigned to Nalepella, based on the presence of seta vi on the apical shield, and other characteristics of Nalepella. One species formerly assigned to Rhyncaphytoptus, R. fargesis (Xue, Song & Hong, 2006) was reassigned to Pentaporca, based on the presence of seta vi on the apical shield, opisthosoma with five ridges and other characteristics of Pentaporca. At the same time, four new eriophyoid mite records from China are provided, Acaphyllisa distasa (Keifer, 1961) rec. nov. on Betula costata Trautv. (Betulaceae), Shevtchenkella ulmi (Farkas, 1960) rec. nov. on Ulmus sp. (Ulmaceae), Calepitrimerus cariniferus Keifer, 1938, rec. nov. on Artemisia argyi H. Lev. & Vaniot (Asteraceae), Aculodes dubius (Nalepa, 1891) species complex, rec. nov. on Roegneria sp. (Poaceae). With this publication, the number of eriophyoid mite species in the region reaches 101. A list of these eriophyoid mites is provided.
[Mh] MeSH terms primary: Mites/classification
[Mh] MeSH terms secundary: Animal Distribution
Animal Structures/anatomy & histology
Animal Structures/growth & development
Animals
Body Size
China
Female
Host Specificity
Male
Mites/anatomy & histology
Mites/growth & development
Mites/physiology
Organ Size
Plants/parasitology
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1508
[Cu] Class update date: 150702
[Lr] Last revision date:150702
[Js] Journal subset:IM
[Da] Date of entry for processing:150707
[St] Status:MEDLINE
[do] DOI:10.11646/zootaxa.3689.1.1

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[PMID]: 24552763
[Au] Autor:Fujii M; Okazaki K; Makiyama K; Hisamatsu K
[Ad] Address:Fujii Clinic; Department of Otorhinolaryngology, Nihon University Surugadai Hospital.
[Ti] Title:[Tree pollen dispersion in Ito City, Shizuoka Prefecture].
[So] Source:Arerugi;62(11):1522-33, 2013 Nov.
[Is] ISSN:0021-4884
[Cp] Country of publication:Japan
[La] Language:jpn
[Ab] Abstract:BACKGROUND: The authors investigated the atmospheric tree pollen dispersion in Ito City, Shizuoka Prefecture for 12 years for the purpose of the prophylaxis and treatment of pollinosis. METHODS: We set up a Durham sampler on the rooftop of the three-story building in Ito City, and counted atmospheric pollen grouping first, Taxodiaceae and Cupressaceae; second, Pinaceae and Podocarpaceae; third, Betulaceae and Ulmaceae; last, Fagaceae. The counts of atmospheric tree pollen on season and the weather from January to June were treated statistically and analyzed on the computer program Microsoft Excel. RESULTS: Each average and SD of total pollen count was, in order, 7079±6503 count/cm(2), 502±146 count/cm(2), 891±480 count/cm(2), 906±481 count/cm(2). The last summer weather correlates to the atmospheric pollen count of Taxodiaceae, Cupressaceae, Betulaceace and Ulmaceae. The atmospheric pollen count of Taxodiaceae and Cupressaceae in spring is influenced by the weather; their atmospheric pollen count is reduced by a heavy rain or a heavy snow out of season. The atmospheric pollen count of Pinaceae, Podocarpaceae and Fagaceae does not relate to the weather. CONCLUSION: As a result of having examined the relations between the count of the atmospheric pollen and the weather in Ito City, I recognized relations in Taxodiaceae, Cupressaceae, Pinaceae and Podocarpaceae, but there were not the relations of intentionality in Betulaceae, Ulmaceae and Fagaceae.
[Mh] MeSH terms primary: Air Pollutants/analysis
Pollen
Trees
[Mh] MeSH terms secundary: Cupressaceae
Environmental Monitoring/instrumentation
Japan
Pinaceae
Rhinitis, Allergic, Seasonal/prevention & control
Seasons
Taxodiaceae
Time Factors
[Pt] Publication type:ENGLISH ABSTRACT; JOURNAL ARTICLE
[Nm] Name of substance:0 (Air Pollutants)
[Em] Entry month:1404
[Cu] Class update date: 140220
[Lr] Last revision date:140220
[Js] Journal subset:IM
[Da] Date of entry for processing:140221
[St] Status:MEDLINE


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