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( Udeni Jayalal ),( Santosh Joshi ),( Soon Ok Oh ),( Jung Shin Park ),( Jae Seoun Hur ) 한국균학회 2012 Mycobiology Vol.40 No.3
Heterodermia flabellata (Fee) D. D. Awasthi was found as a new lichen record in Jeju Island of South Korea in 2012. A detailed taxonomic description and comments are provided for the taxa. An updated key for all recorded species of Heterodermia from South Korea is given.
Notes on the Lichen Genus Leptogium (Collemataceae, Ascomycota) in South Korea
( Udeni Jayalal ),( Seol Hwa Jang ),( Nan Hee Yu ),( Soon Ok Oh ),( Jae Seoun Hur ) 한국균학회 2014 韓國菌學會誌 Vol.42 No.2
Leptogium (Ach.) Gray is distributed throughout South Korea; however, for nearly two decades no detailed taxonomic or revisionary research on this lichen genus has been conducted. This study examined the specimens deposited in the lichen herbarium at the Korean Lichen Research Institute, and samples were identified using descriptions recently published in the scientific literature. In this revisionary study, a total of fourteen species of Leptogium were documented, including new records of Leptogium delavayi Hue, Leptogium denticulatum Nyl., and Leptogium trichophoroides P. M. Jørg. & A. K. Wallace. Detailed descriptions of each species are given, including their morphological, anatomical, and chemical characteristics. A key to all Leptogium species known to occur in South Korea is also presented.
The Lichen Genus Parmotrema in South Korea
( Udeni Jayalal ),( Pradeep K Divakar ),( Santosh Joshi ),( Soon Ok Oh ),( Young Jin Koh ),( Jae Seoun Hur ) 한국균학회 2013 Mycobiology Vol.41 No.1
Parmotrema A. Massal. is a common lichen genus scattered throughout the Korean Peninsula; however, no detailed taxonomic or revisionary study of this genus has been conducted for nearly two decades. Therefore, this study revised the taxonomy of this genus based on specimens deposited in the lichen herbarium at the Korean Lichen Research Institute and samples wereidentified using recent literature. In this revisionary study, a total of eighteen species of Parmotrema including eight new records [Parmotrema cetratum (Ach.) Hale, Parmotrema cristiferum (Taylor) Hale, Parmotrema grayanum (Hue) Hale, Parmotrema defectum (Hale) Hale, Parmotrema dilatatum (Vain.) Hale, Parmotrema margaritatum (Hue) Hale, Parmotrema pseudocrinitum (Abbayes) Hale, and Parmotrema subsumptum (Nyl.) Hale] are documented. Detailed descriptions of each species with their morphological, anatomical and chemical characteristics are also given and a key to the known Parmotrema species of the Korean Peninsula is presented.
Notes on Species of the Lichen Genus Canoparmelia Elix & Hale in South Korea
( Udeni Jayalal ),( Santosh Joshi ),( Soon Ok Oh ),( Jung Shin Park ),( Jae Seoun Hur ) 한국균학회 2012 Mycobiology Vol.40 No.3
Detailed descriptions of five species of the lichen genus Canoparmelia Elix & Hale. are presented. Until now, three species of the genus Canoparmelia, including C. apata (Krempelh.) Elix & Hale, C. owariensis (Asah.) Elix, and C. texana (Tuck.) Elix & Hale have been reported in South Korea. Canoparmelia carneopruinata (Zahlbr.) Elix & Hale, C. crozalsiana (de Lesd.) Elix & Hale, and C. ecaperata (Mull. Arg.) Elix & Hale are new to the South Korean lichen flora. An artificial key is provided for all species of Canoparmelia, including the three new records.
Records of the lichen genus, Collema (Collemataceae, Ascomycota), in South Korea
( Udeni Jayalal ),( Jae-seoun Hur ) 한국균학회 2021 韓國菌學會誌 Vol.49 No.2
Collema Weber ex F.H. Wigg is scarcely scattered throughout South Korea. However, a detailed taxonomic or revisionary study has not been carried out for almost two decades. The present study was based on specimens deposited in the lichen herbarium at Korean Lichen Research Institute, which were identified using recent literature. In this revisionary study, a total of sixteen species of Collema, including five new records, C. furfuraceum var. luzonense, C. pulchellum var. subnigrescens, C. rugosum, C. subconveniens, C. tenax, and one variety C. leptaleum var. leptaleum were documented. Further, detailed descriptions of each species and their morphological, anatomical and chemical characteristics and a key to all known Collema species of South Korea were reported.
Udeni Menike,Krishan Ariyasiri,최진영,이영덕,W.D.N. Wickramaarachchi,H.K.A. Premachandra,디조이사마하나마,이지희 한국패류학회 2013 The Korean Journal of Malacology Vol.29 No.2
Cathepsins are lysosomal /cysteine proteases belong to papain family (C1 family) that is involved in intracellular protein degradation, antigen processing, hormone maturation, and immune responses. In this study, member of cathepsin family was identified from Manila clam (Mc-Cathepsin D) and investigated the immune response against brown ring disease (BRD) causing Vibrio tapetis challenge. The identified Mc-Cathepsin D gene encodes characteristic features typical for the cathepsin family including eukaryotic and viral aspartyl protease signature domain and two highly conserved active sites (84VVFDTGSSNLWV95 and 270IADTGTSLLAG281). Moreover, MC-Cathepsin D shows higher identity values (-50-70%) and conserved amino acids with known cathepsin D members. Transcriptional results (by quantitative real-time RT-PCR) showed that Mc-Cathepsin D was expressed at higher levels in gills and hemocytes than mantle, adductor muscle, foot, and siphon. After the V. tapetis challenge under laboratory conditions, Mc-Cathepsin D mRNA was up-regulated in gills and hemocytes. Present study indicates that Mc-Cathepsin D is constitutively expressed in different tissues and potentially inducible when infecting BRD by V. tapetis. It is further suggesting that Mc-Cathepsin D may be involved in multiple role including immune response reactions against BRD.
Lichen Mycota in South Korea: The Genus Usnea
( Udeni Jayalal ),( Santosh Joshi ),( Soon Ok Oh ),( Young Jin Koh ),( Florin Crisan ),( Jae Seoun Hur ) 한국균학회 2013 Mycobiology Vol.41 No.3
Usnea Adans. is a somewhat rare lichen in South Korea, and. in nearly two decades, no detailed taxonomic or revisionary study has been conducted. This study was based on the specimens deposited in the lichen herbarium at the Korean Lichen Research Institute, and the samples were identified using information obtained from recent literature. In this study, a total or eight species of Usnea, including one new record, Usnea hakonensis Asahina, are documented. Derailed descriptions of each species with their morphological, anatomical, and chemical characteristics are provided. A key to all known Usnea species in South Korea is also presented.
RESEARCH ARTICLES : Contributions to the Foliicolous Lichens Flora of South Korea
( Udeni Jayalal ),( Soon Ok Oh ),( Robert Lucking ),( Santosh Joshi ),( Jung A Kim ),( Jung Shin Park ),( Jae Seoun Hur ) 한국균학회 2013 Mycobiology Vol.41 No.4
South Korea is covered primarily by temperate vegetation; therefore, foliicolous lichens may not be expected to play an important role in its lichen flora. However, this study describes four foliicolous lichen species, Strigula concreta, S. macrocarpa, S. melanobapha, and S. subelegans, which are new to South Korea. These findings will lead to further research on foliicolous lichens and provide a better understanding of their distribution within the East Asian region. This is the first detailed report on foliicolous lichens and their distribution in South Korea.
A Taxonomic Study of the Genus Myelochroa in South Korea
( Udeni Jayalal ),( Santosh Joshi ),( Soon Ok Oh ),( Young Jin Koh ),( Jae Seoun Hur ) 한국균학회 2012 Mycobiology Vol.40 No.4
Myelochroa (Asahina) Elix & Hale is a common foliose lichen genus found on the Korean Peninsula. Since it was first recorded nearly two decades ago, no detailed taxonomic or revisionary study of the genus has been conducted. Thus, the current study was conducted to carry out a detailed taxonomic and revisionary study of Myelochroa in South Korea. This study was based on specimens deposited in the Korean Lichen Research Institute (KoLRI). Detailed taxonomic studies and a literature review confirmed the presence of twelve species of Myelochroa from S. Korea, including one new record, Myelochroa xantholepis (Mont. & Bosch) Elix & Hale. Descriptions of each species with their morphological, anatomical and chemical characters together with a key to all known Myelochroa species are presented.
Notes on the Lichen Genus Hypotrachyna (Parmeliaceae) from South Korea
( Udeni Jayalal ),( Santosh Joshi ),( Soon Ok Oh ),( Jung Shin Park ),( Young Jin Koh ),( Jae Seoun Hur ) 한국균학회 2013 Mycobiology Vol.41 No.1
Hypotrachyna (Vainio) Hale is a somewhat rare lichen genus found on the Korean Peninsula. Since it was first recorded more than two decades ago, no detailed taxonomic or revisionary study of the genus has been conducted. Thus, the present study was conducted to carry out a detailed taxonomic and revisionary study of Hypotrachyna in South Korea. This study was based on specimens deposited in the Korean Lichen Research Institute (KoLRI). Detailed taxonomic studies and a literature review confirmed the presence of seven species of Hypotrachyna from South Korea, including one new record, Hypotrachyna nodakensis (Asahina) Hale. Descriptions of each species with their morphological, anatomical and chemical characters together with a key to all known Hypotrachyna species are presented.