• Title/Summary/Keyword: Biological sciences

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A new record of Trichocladium griseum in Korea: morphological and molecular characterization

  • Tagele, Setu Bazie;Nguyen, Thuong T.T.;Kim, Sang Woo;Adhikari, Mahesh;Gurung, Sun Kumar;Lee, Hyun Goo;Gwon, Byeong Heon;Ju, Han Jun;Kosol, San;Lee, Hyang Burm;Lee, Youn Su
    • The Korean Journal of Mycology
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    • v.47 no.2
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    • pp.105-112
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    • 2019
  • A unrecorded species of Trichocladium, Trichocladium griseum, was isolated in 2017 during a survey of fungal diversity in Ulsan province, South Korea. This species was identified based on morphological characteristics and phylogenetic analysis of the internal transcribed spacer (ITS) rDNA and ${\beta}-tubulin$ gene sequences. T. griseum has not yet been reported in South Korea. Thus, we report for the first time a new record of Trichocladium griseum in Korea, and we include the descriptions and morphological illustrations of this fungus.

Unrecorded species of Korean ciliates (Protozoa, Ciliophora) discovered through the project of "Discovery of Korean Indigenous Species" (2006-2010)

  • Park, Mi-Hyun;Han, Yeong-Deok;Kwon, Choon Bong;Lee, Eun Sun;Kim, Ji Hye;Kang, Youn Seung;Kim, Se-Joo;Yang, Hee-Min;Park, Taeseo;Yoo, Jung-Sun;Kil, Hyun-Jong;Nam, Eunjung;Shin, Mann Kyoon;Min, Gi-Sik
    • Journal of Species Research
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    • v.6 no.spc
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    • pp.172-176
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    • 2017
  • In this list-format paper, we present unrecorded species of Korean ciliates (phylum Ciliophora). All species were selected from the final reports of the project: "Discovery of Korean Indigenous Species". This project has been carried out to discover and record various Korean indigenous species since 2006 and is funded by the National Institute of Biological Resources (NIBR). Among the various species, ciliates were a major taxon that was highlighted in this project as a speciose group categorized under Protozoa. This paper contains reports of 38 ciliates (8 classes, 16 orders, 23 families, and 34 genera) observed in Korea during the initial five years of the project (2006-2010).

First Report of Metacordyceps chlamydosporia (Cordyceps chlamydosporia) Isolated from Soil in Korea

  • Kim, Hyun Seung;Adhikari, Mahesh;Yadav, Dil Raj;Kim, Sang Woo;Um, Yong Hyun;Lee, Hyang Burm;Lee, Youn Su
    • The Korean Journal of Mycology
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    • v.44 no.1
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    • pp.48-50
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    • 2016
  • A previously unrecorded species, Metacordyceps chlamydosporia KNU14-22, was isolated from soil in Korea. Identification of the fungal species was based on morphological and molecular characteristics. This species has not been previously reported in Korea and herein we present data with detailed descriptions and figures.

A New Record of Nannizziopsis mirabilis from Field Soil in Korea

  • Adhikari, Mahesh;Gurung, Sun Kumar;Kim, Sang Woo;Lee, Hyun Goo;Ju, Han Jun;Gwon, Byeong Heon;Kosol, San;Bazie, Setu;Lee, Hyang Burm;Lee, Youn Su
    • The Korean Journal of Mycology
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    • v.46 no.3
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    • pp.249-254
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    • 2018
  • Nannizziopsis mirabilis (KNU17-67) was isolated from a field soil sample collected from Jejudo in 2017. This fungal isolate was identified and described by its morphological characters and the internal transcribed spacer rDNA gene sequencing. Potato dextrose agar medium was used to study its macro and micromorphology. In addition, a molecular phylogenetic tree was constructed for its precise confirmation as N. mirabilis. This fungal isolate has not officially been reported previously in Korea.

Neuronatin Is Associated with an Anti-Inflammatory Role in the White Adipose Tissue

  • Ka, Hye In;Han, Sora;Jeong, Ae Lee;Lee, Sunyi;Yong, Hyo Jeong;Boldbaatar, Ariundavaa;Joo, Hyun Jeong;Soh, Su Jung;Park, Ji Young;Lim, Jong-Seok;Lee, Myung Sok;Yang, Young
    • Journal of Microbiology and Biotechnology
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    • v.27 no.6
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    • pp.1180-1188
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    • 2017
  • Neuronatin (NNAT) is known to regulate ion channels during brain development and plays a role in maintaining the structure of the nervous system. A previous in silico analysis showed that Nnat was overexpressed in the adipose tissue of an obese rodent model relative to the wild type. Therefore, the aim of the present study was to investigate the function of Nnat in the adipose tissue. Because obesity is known to systemically induce low-grade inflammation, the Nnat expression level was examined in the adipose tissue obtained from C57BL/6 mice administered lipopolysaccharide (LPS). Unexpectedly, the Nnat expression level decreased in the white adipose tissue after LPS administration. To determine the role of NNAT in inflammation, 3T3-L1 cells overexpressing Nnat were treated with LPS. The level of the p65 subunit of nuclear factor-kappa B ($NF-{\kappa}B$) and the activity of $NF-{\kappa}B$ luciferase decreased following LPS treatment. These results indicate that NNAT plays an anti-inflammatory role in the adipose tissue.