• Title/Summary/Keyword: Mongolia

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Arctium tomentosum (Asteraceae): A new report of a native genus in the flora of Mongolia

  • JAVZANDOLGOR, Chuluunbat;BAASANMUNKH, Shukherdorj;TSEGMED, Zagarjav;OYUNTSETSEG, Batlai;GUNDEGMAA, Vanjil;CHOI, Hyeok Jae
    • Korean Journal of Plant Taxonomy
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    • v.51 no.4
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    • pp.391-394
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    • 2021
  • Arctium tomentosum Mill. (Asteraceae), from Ulaanbaatar in the Khentei phytogeographical region of Mongolia, is recognized here as a new genus and species of the flora of Mongolia. Arctium differs from other genera of Asteraceae by the hooked apex of the involucral bracts. While A. tomentosum is most similar to A. lappa, it is easily distinguished by the glandular hairs of the corolla limb and the widened inner involucral bracts. Taxonomic notes, a description of the morphology, detailed photos, habitat information, the phenology and a distribution map of A. tomentosum are provided.

SNP Discovery from Transcriptome of Cashmere Goat Skin

  • Wang, Lele;Zhang, Yanjun;Zhao, Meng;Wang, Ruijun;Su, Rui;Li, Jinquan
    • Asian-Australasian Journal of Animal Sciences
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    • v.28 no.9
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    • pp.1235-1243
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    • 2015
  • The goat Capra hircus is one of several economically important livestock in China. Advances in molecular genetics have led to the identification of several single nucleotide variation markers associated with genes affecting economic traits. Validation of single nucleotide variations in a whole-transcriptome sequencing is critical for understanding the information of molecular genetics. In this paper, we aim to develop a large amount of convinced single nucleotide polymorphisms (SNPs) for Cashmere goat through transcriptome sequencing. In this study, the transcriptomes of Cashmere goat skin at four stages were measured using RNA-sequencing and 90% to 92% unique-mapped-reads were obtained from total-mapped-reads. A total of 56,231 putative SNPs distributed among 10,057 genes were identified. The average minor allele frequency of total SNPs was 18%. GO and KEGG pathway analysis were conducted to analyze the genes containing SNPs. Our follow up biological validation revealed that 64% of SNPs were true SNPs. Our results show that RNA-sequencing is a fast and efficient method for identification of a large number of SNPs. This work provides significant genetic resources for further research on Cashmere goats, especially for the high density linkage map construction and genome-wide association studies.

A Study on the Pork Market Analysis of Mongolia and the Continuous Export Possibility of Korean Pork (몽골 돼지고기 시장 분석 및 수출 지속 가능성)

  • Kwak, Young-Tai
    • Food Science and Preservation
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    • v.12 no.5
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    • pp.507-510
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    • 2005
  • This study was carried out to analyze the pork market of Mongolia and to find the continuous export possibility of Korean pork. The main results are as follows; First, pork consumption in Mongolia relies on import because pork production is not sufficient and pork price is high compared to beef or sheep meat. Second, Korean pork parts for export to Mongolia are pork fat and rear leg. Third, the authorities concerned have to keep a good relationship between Korean pork market and Mongolian pork market to export Korean pork to Mongolia when Korea pig farming is in depression.

Roles of Signaling Pathways in the Epithelial-Mesenchymal Transition in Cancer

  • Liu, Xia;Yun, Fen;Shi, Lin;Li, Zhe-Hai;Luo, Nian-Rong;Jia, Yong-Feng
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.15
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    • pp.6201-6206
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    • 2015
  • The epithelial-mesenchymal transition (EMT) is a cellular process though which an epithelial phenotype can be converted into a phenotype of mesenchymal cells. Under physiological conditions EMT is important for embryogenesis, organ development, wound repair and tissue remodeling. However, EMT may also be activated under pathologic conditions, especially in carcinogenesis and metastatic progression. Major signaling pathways involved in EMT include transforming growth factor ${\beta}(TGF-{\beta})$, Wnt, Notch, Hedgehog and other signaling pathways. These pathways are related to several transcription factors, including Twist, Smads and zinc finger proteins snail and slug. These interact with each other to provide crosstalk between the relevant signaling pathways. This review lays emphasis on studying the relationship between EMT and signaling pathways in carcinogenesis and metastatic progression.

Endemic and sub-endemic water beetles of Mongolia and their distribution ranges

  • Enkhnasan, Davaadorj;Boldgiv, Bazartseren
    • Journal of Species Research
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    • v.8 no.4
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    • pp.395-406
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    • 2019
  • The aim of this study was to compile a species list of endemic water beetles of Mongolia and determine their distribution patterns. A total of 1,179 individuals of endemic water beetles were collected from nine different sub-basins (123 sample points) throughout the country. Currently, 21 endemic and sub-endemic species have been recorded in Mongolia. Eight of these species were strictly endemic. The endemic and sub-endemic species were found only among four families: Dytiscidae (10 out 99 spp.), Gyrinidae (1 out 7 spp.), Helophoridae (5 out 16 spp.), and Hydraenidae (5 out 13 spp.). The rate of endemism was higher in Hydraenidae than other families (38.4%). Endemic beetle fauna was most similar between the Onon and Kherlen River Basins (80%). Helophorus parajacutus Angus, 1970 was common in five sub-basins, but Agabus kaszabi $Gu{\acute{e}}orguiev$, 1972, Gyrinus sugunurensis Nilsson, 2001 and Ochthebius mongolicus Janssens, 1967 were recorded from only one sub-basin. In terms of sub-endemic species, Mongolia was mostly similar to the fauna of Eastern Siberia, Russia (73.7%) than other neighboring regions. Due to Mongolia's vast territory and different natural zones, endemism was exceptionally low (12.4%), but these data provide baseline information of endemic and rare species for their further conservation.

Modeling Domestic News Topics for Mongolia: Focusing on Changes in Press on Diplomatic Relations between the two countries after the establishment of Diplomatic ties between Korea and Mongolia (몽골에 대한 국내 뉴스 토픽 모델링: 한몽 수교 이후 양국 관계 보도 양상 변화를 중심으로)

  • Yoon, Ji-Soo;Jin, XianMei
    • The Journal of the Korea Contents Association
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    • v.22 no.4
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    • pp.37-46
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    • 2022
  • During the study, big data analysis was conducted focusing on domestic media reports related to Mongolia. The Latent Dirichlet Allocation(LDA) topic modeling was conducted using 130,000 articles with the keyword 'Mongolia' as the target of analysis. As a result of deriving and examining major topics for each period, there were disappearing subjects as the diplomacy level was raised, but most appeared in the beginning were remained and additional issues in various fields were shown.

The Performance Analysis of Korean NGOs' Tree Plantation Projects in Mongolia

  • Kang, Min-Kyung;Park, Dong-Kyun;Chun, Young-Woo
    • Journal of Korean Society of Forest Science
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    • v.99 no.5
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    • pp.655-662
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    • 2010
  • Desertification has been expanding with a remarkable speed across the Northeast Asia. Desertification in Northeast Asia significantly influences Korea's economy and environmental health conditions in recent years. For these reasons, a number of non-governmental organizations (NGOs) in Korea have carried out the reforestation projects to combat desertification in China and Mongolia. Several tree plantation projects were implemented in Mongolia and China. The objective of this study was to analyze and evaluate the performance of tree plantation aid projects carried out by Korean NGOs in Mongolia. The performance of tree plantation projects was examined through effectiveness, efficiency, equity and responsiveness of those projects. The performance was analyzed with the survival rate of planted trees and planting cost, the recognitions of Mongolian people. The analysis of the performance showed that the tree plantation cooperation projects carried out by Korean NGOs in Mongolia had comparatively high performance from a larger point of view. Especially, effectiveness and responsiveness of their projects were highly marked in spite of all the difficulties of carrying out the tree plantation. Such a high effectiveness represented the relatively higher survival rates of trees and Mongolian's positive recognition of plantation projects. Furthermore, the responsiveness also turned out to be high with a great satisfaction of the Mongolian people for plantation projects conducted by the Korean NGOs. Survey results indicated that the efficiency and equity of the projects would be increased by promoting the cooperation projects for tree planting throughout Mongolia with reinforcing infrastructures. By comparison between Korean NGOs and Mongolian Government plantation projects, confirmed the importance of sustained financial support and maintenance activities in the plantation sites.

Climate Change Concerns in Mongolia

  • Dagvadorj, D.;Gomboluudev, P.;Natsagdorj, L.
    • The Korean Journal of Quaternary Research
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    • v.17 no.2
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    • pp.47-54
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    • 2003
  • Climate of Mongolia is a driven force on natural conditions as well as socio-economic development of the country. Due to the precariousness of climate conditions and traditional economic structure, natural disasters, specially disasters of meteorological and hydrological origin, have substantial effect upon the natural resources and socio-economic sectors of Mongolia. Mongolia's climate is characterized by high variability of weather parameters, and high frequency and magnitude of extreme climate and weather events. During the last few decades, climate of the country is changing significantly under the global warning. The annual mean air temperature for the whole territory of the country has increased by $1.56^{\circ}C$ during the last 60 years,. The winter temperature has increased by $1.56^{\circ}C$. These changes in temperature are spatially variable: winter warming is more pronounced in the high mountains and wide valleys between the mountains, and less so in the steppe and Gobi regions. There is a slight trend of increased precipitation during the last 60 years. The average precipitation rate is increased during 1940-1998 by 6%. This trend is not seasonally consistent: while summer precipitation increased by 11 %, spring precipitation decreased by 17. The climate change studies in Mongolia show that climate change will have a significant impact on natural resources such as water resources, natural rangeland, land use, snow cover, permafrost as well as major economic activities of arable farming, livestock, and society (i.e. human health, living standards, etc.) of Mongolia. Therefore, in new century, sustainable development of the country is defined by mitigating and adaptation policies of climate change. The objective of the presentation is to contribute one's idea in the how to reflect the changes in climate system and weather extreme events in the country's sustainable development concept.

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Contribution of Urine and Dung Patches from Grazing Sheep to Methane and Carbon Dioxide Fluxes in an Inner Mongolian Desert Grassland

  • Jiang, Yuanyuan;Tang, Shiming;Wang, Chengjie;Zhou, Pei;Tenuta, Mario;Han, Guodong;Huang, Ding
    • Asian-Australasian Journal of Animal Sciences
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    • v.25 no.2
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    • pp.207-212
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    • 2012
  • The effects of sheep urine and dung patches on methane ($CH_4$) and carbon dioxide ($CO_2$) fluxes were investigated during the summer-autumn in 2010, to evaluate their contribution to climate change in a desert grassland in Inner Mongolia, China. Results indicate that the cumulative $CH_4$ emissions for dung patches, urine patches and control plots were -0.076, -0.084, and -0.114 g/$m^2$ and these were net $CH_4$ sinks during the measured period. The level of $CH_4$ intake from urine and dung plots decreased 25.7%, and 33.3%, respectively, compared with a control plot. $CO_2$ fluxes differed (p<0.01) in urine plots, with an average of 569.20 mg/$m^2$/h compared with control plots (357.62 mg/$m^2$/h) across all sampling days. Dung patches have cumulative $CO_2$ emissions that were 15.9% higher compared with the control during the 55-d period. Overall, sheep excrement weakened $CH_4$ intake and increased $CO_2$ emissions.

Molecular Characterization and Tissue-specific Expression of a Novel FKBP38 Gene in the Cashmere Goat (Capra hircus)

  • Zheng, X.;Hao, X.Y.;Chen, Y.H.;Zhang, X.;Yang, J.F.;Wang, Z.G.;Liu, D.J.
    • Asian-Australasian Journal of Animal Sciences
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    • v.25 no.6
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    • pp.758-763
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    • 2012
  • As a member of a subclass of immunophilins, it is controversial that FKBP38 acts an upstream regulator of mTOR signaling pathway, which control the process of cell-growth, proliferation and differentiation. In order to explore the relationship between FKBP38 and mTOR in the Cashmere goat (Capra hircus) cells, a full-length cDNA was cloned (GenBank accession number JF714970) and expression pattern was analyzed. The cloned FKBP38 gene is 1,248 bp in length, containing an open reading frame (ORF) from nucleotide 13 to 1,248 which encodes 411 amino acids, and 12 nucleotides in front of the initiation codon. The full cDNA sequence shares 98% identity with cattle, 94% with horse and 90% with human. The putative amino acid sequence shows the higher homology which is 98%, 97% and 94%, correspondingly. The bioinformatics analysis showed that FKBP38 contained a FKBP_C domain, two TPR domains and a TM domain. Psite analysis suggested that the ORF encoding protein contained a leucine-zipper pattern and a Prenyl group binding site (CAAX box). Tissue-specific expression analysis was performed by semi-quantitative RT-PCR and showed that the FKBP38 expression was detected in all the tested tissues and the highest level of mRNA accumulation was detected in testis, suggesting that FKBP38 plays an important role in goat cells.