• Title/Summary/Keyword: Unrecorded Species

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A report on 33 unrecorded bacterial species of Korea isolated in 2014, belonging to the class Gammaproteobacteria

  • Lim, Yeonjung;Joung, Yochan;Nam, Gi Gyun;Jahng, Kwang-Yeop;Kim, Seung-Bum;Joh, Ki-seong;Cha, Chang-Jun;Seong, Chi-Nam;Bae, Jin-Woo;Im, Wan-Taek;Cho, Jang-Cheon
    • Journal of Species Research
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    • v.5 no.2
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    • pp.241-253
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    • 2016
  • In 2014, as a subset study to discover indigenous prokaryotic species in Korea, a total of 33 bacterial strains assigned to the class Gammaproteobacteria were isolated from diverse environmental samples collected from soil, tidal flat, freshwater, seawater, oil-contaminated soil, and guts of animal. From the high 16S rRNA gene sequence similarity (>98.5%) and formation of a robust phylogenetic clade with the closest species, it was determined that each strain belonged to each independent and predefined bacterial species. There is no official report that these 33 species have been described in Korea; therefore, 1 strain of the Aeromonadales, 6 strains of the Alteromonadales, 3 strains of the Chromatiales, 5 strains of the Enterobacteriales, 4 strains of the Oceanospirillales, 11 strains of the Pseudomonadales, and 3 strains of the Xanthomonadales within the Gammaproteobacteria are described for unreported bacterial species in Korea. Gram reaction, colony and cell morphology, basic biochemical characteristics, and isolation sources are also described in the species description section.

Boring Insects of the Pinus densiflora S. et Z. in Korea (소나무를 가해(加害)하는 천공성해충(穿孔性害蟲)에 관(關)한 연구(硏究))

  • Lee, Chan-Young;Lee, Sang-Bae
    • Journal of Korean Society of Forest Science
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    • v.89 no.5
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    • pp.609-617
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    • 2000
  • To inverstigate the boring insects in Pinus densiflora forests, bait logs were set up in healthy-looking forests of Chunchon Hongchon and in damaged forests(gall formation rate 70----) by Thecodiplosis japonensis of Pyongchang Jeongsun. The period of investigation was from April to August in 1999. Boring insects investigated were 35 species of 12 families. Five species of them were unrecorded species from Korea. Natural enemies investigated were 5 species of 2 families. The prefered parts of tree according to species of boring insects were lower trunk in Siphalinus gigas and 3 other species, middle-stem in Monochamus sutor and 7 other species, and top stem in Orthotomicus suturalis and 1 other species. Hylurgops interstitialis were found in all parts of tree. Sap wood was attacked by Xyleborus validus Cerambycidae, heart wood by Hylobitelus haroldi Siphalinus gigas, and cambium region by Pissodes nitidus P. obscurus Shirahoshizo insidiosus Scolytidae.

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Re-identification of Colletotrichum gloeosporioides Species Complex Isolates in Korea and Their Host Plants

  • Le Dinh Thao;Hyorim Choi;Yunhee, Choi;Anbazhagan Mageswari;Daseul Lee;Dong-Hyun Kim;Hyeon-Dong Shin;Hyowon Choi;Ho-Jong Ju;Seung-Beom Hong
    • The Plant Pathology Journal
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    • v.40 no.1
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    • pp.16-29
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    • 2024
  • The Colletotrichum gloeosporioides species complex includes many phytopathogenic species, causing anthracnose disease on a wide range of host plants and appearing to be globally distributed. Seventy-one Colletotrichum isolates in the complex from different plants and geographic regions in Korea were preserved in the Korean Agricultural Culture Collection (KACC). Most of them had been identified based on hosts and morphological features, this could lead to inaccurate species names. Therefore, the KACC isolates were re-identified using DNA sequence analyses of six loci, comprising internal transcribed spacer, gapdh, chs-1, his3, act, and tub2 in this study. Based on the combined phylogenetic analysis, KACC strains were assigned to 12 known species and three new species candidates. The detected species are C. siamense (n = 20), C. fructicola (n = 19), C. gloeosporioides (n = 9), C. aenigma (n = 5), C. camelliae (n = 3), C. temperatum (n = 3), C. musae (n = 2), C. theobromicola (n = 2), C. viniferum (n = 2), C. alatae (n = 1), C. jiangxiense (n = 1), and C. yulongense (n = 1). Of these, C. jiangxiense, C. temperatum, C. theobromicola and C. yulongense are unrecorded species in Korea. Host plant comparisons showed that 27 fungus-host associations are newly reported in the country. However, plant-fungus interactions need to be investigated by pathogenicity tests.

Two new and one unrecorded natural hybrids between Asplenium ruprechtii and related taxa (Aspleniaceae) (거미고사리와 유연종과의 2 신교잡종과 1 미기록교잡종 (꼬리고사리과))

  • Lee, Chang Shook;Lee, Kanghyup;Yeau, Sung Hee;Chung, Kyong-Sook
    • Korean Journal of Plant Taxonomy
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    • v.45 no.4
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    • pp.362-368
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    • 2015
  • Two new and one unrecorded hybrids of the genus Asplenium were newly found in Korea. They were proved to be hybrid based on intermediate morphology between putative parents. The first hybrid is $A.{\times}uiryeongse$ C.S. Lee & K. Lee (Aspleniaceae), nom. nov. (vernacular name: geo-mi-sa-cheol-go-sa-ri). This new hydrid is a cross between the Asian walking fern, A. ruprechtii and A. pekinens in Uiryeong-gil, Mt. Bukansan, Seoul, Korea. The other new one occurs in Mt. Seongsan in Yeoncheon-gun, Gyeonggi-do, Korea, $A.{\times}montanus$ C.S. Lee & K. Lee, nom. nov. (vernacular name: san-kko-ri-go-sa-ri) which might have experienced multiple hybridization events between A. ruprechtii ${\times}$ A. trichomanes and A. incisum following the hybrid between A. ruprechtii and A. trichomanes. In addition, one unrecorded hybrid, $A.{\times}kitazawae$ Kurata & Hutoh (vernacular name: geo-mi-dol-dam-go-sa-ri), reported first from Japan, is found in natural habitats in Do-dong, Daegu-si, and is a hybrid, between the Asian walking fern and A. sarelli. These hybrid taxa grow in sympatric regions with both putative parental species. The diagnostic characters for each taxon and evidence for their hybridization have been suggested. Descriptions, illustrations, and photographs of these hybrid taxa in their habitats are provided from Korea.

Isolation and Determination of Microbiological Characteristics of Unrecorded Wild Yeasts from Waters and Soils of Haegeumgang in the Southern Sea, and from Namdaecheon and Geumsancheon Upstream of Geumgang, Korea (해금강과 금강상류 남대천 및 금산천 주변으로부터 야생효모의 분리 및 국내 미기록 효모들의 균학적 특성)

  • Jeong-Su Moon;Hyang-Burm Lee;Jong-Soo Lee
    • The Korean Journal of Mycology
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    • v.50 no.3
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    • pp.149-160
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    • 2022
  • The goal of this study was to investigate the diversity of wild yeasts from the waters and soils of Haegeumgang in Gyungsangnam-do, and Namdaecheon and Geumsancheon in upstream of Geumgang, Korea and to characterize any previously unrecorded wild yeast strains. In total, 52 strains comprising 22 different species of wild yeasts were isolated from 35 samples obtained from Haegeumgang. Forty three and sevent nine wild yeast strains were isolated from 90 samples taken from Namdaecheon and Geumsancheon, respectively. Among the total 174 isolated wild yeast strains, 4 strains, i.e., Exobasidium rhododendri HGG10-5 (NNIBR2022633FG1), Udeniomyces pyricola NDC29-1 (NNIBR2022633FG2), Diddensiella caesifluorescens GSC2-2 (NNIBR2022633FG5) and Pichia scaptomyzae BAC2-3 (NNIBR2022633FG4) were previously unrecorded yeasts were oval or spherical in shape, only Pichia scaptomyzae BAC 2-3 formed ascospores. Three strains with the exception of Udeniomyces pyricola NDC 29-1 grew well in vitamin-free medium and Exobasidium rhododendri HGG 10-5 grew well in YPD medium containing 10% NaCl. All four novel strains assimilated fructose, lactose, raffinose, starch and xylose.

Cultural characteristics of unrecorded species Lentinula spp. in Korea (국내 미기록 표고속 종들(Lentinula spp.)의 배양적 특성)

  • Kim, Kwang-Sang;Kim, Gyeong-Je;Kim, Hyun-Seok;Jin, Seong-Woo;Kim, Jin-Kyoung;Ban, Seung-Eon
    • Journal of Mushroom
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    • v.7 no.4
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    • pp.193-199
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    • 2009
  • The culture condition of unrecorded species L. aciculospora, L. boryana and L. raphanica was investigated with recorded species of L. edodes as the control group in order to analyze diversity and examed relations of the species belong to Lentinula. The optimal temperature and media for the mycelial growth of L. aciculospora and L. boryana were $22^{\circ}C$ and PDA, MCM medium. L. raphanica was $28^{\circ}C$ and ME1 medium. Each of L. aciculospora, L. boryana, L. raphanica is pH 6, pH 7, pH 5 in the optimal pH respectvely. The optimal carbon and nitrogen source of L. aciculospora were glucose and malt extract. That of L. boryana was glucose and urea that of L. raphanica was sucrose and potassium nitrate. The optimal vitamin of L. aciculospora was Myo-inositol. That of L. boryana and L. raphanica were Riboflabin.

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A new naturalized plant in Korea: Carex molestiformis Reznicek and Rothrock (Cyperaceae) (한반도 신귀화식물: 가는타래사초 (사초과))

  • KO, Seungwon;SHIM, Sang Deog;HYUN, Jong Young;KIM, Joo-Hwan
    • Korean Journal of Plant Taxonomy
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    • v.50 no.3
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    • pp.318-326
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    • 2020
  • We found an unrecorded species, Carex molestiformis Reznicek & Rothrock, in Byeokparyeong, Daehwa-myeon, Pyeongchang-gun, Gangwon-do, South Korea. This species is native to southern parts of the United States (ca. 11 states, including Arkansas, Missouri, and Oklahoma). These plants are usually distributed densely in stream flood plains, bottomlands, stream banks, and along roadsides. Belonging to section Ovales Kunth, perennial herbs with gynecandrous spikes, C. molestiformis is closely related to C. maackii Maxim. and C. scoparia Willd. and is distinguished from them by the number (2-4) of spikes in each inflorescence and the width (2.63.4 mm) and number (69) of veins of perigynia. A new Korean name of C. molestiformis 'Ga-Neun-Ta-Rae-Sa-Cho' was given, as it has slender overall appearance compared with C. maackii (Ta-Rae-Sa-Cho). We also provide a description, illustrations, photographs and a key of related taxa in Korea. We compared three DNA barcode region (chloroplast DNA matK, ndhF and nuclear ribosomal DNA internal transcribed spacer) sequences from C. molestiformis with those of C. maackii and C. scoparia, determining eight species-specific single nucleotide polymorphism sites for C. molestiformis.

A Taxonomic Study of Genus Melanophyllum in Korea (한국산 흑주름버섯속의 분류학적 연구)

  • Seok, Soon Ja;Jin, Yong Joo;Kwon, Soon Woo;Kim, Yang Sup;Kim, Wan Gyu
    • The Korean Journal of Mycology
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    • v.41 no.4
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    • pp.205-211
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    • 2013
  • For the study of species diversity and distribution of Melanophyllum in Korea, M. eyrei and M. haematospermum were identified with unrecorded species and reported species, respectively. Their identification were confirmed based on macroand microscopic descriptions as well as ITS region sequence data. We give a Korean name 'Cheongheukjureumbeoseot' for M. eyrei and provided full description for M. haematospermum due to incomplete previous description.

Three Unrecorded Marine Fish Species from Korean Waters

  • Park, Jeong-Ho;Kim, Jin-Koo;Moon, Jee-Hwan;Kim, Cheol-Bum
    • Ocean Science Journal
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    • v.42 no.4
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    • pp.231-240
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    • 2007
  • Three marine fish species are recorded for the first time from Korean waters: a molid (Ranzania laevis, 1 specimen, 279.8 mm SL) and bramid (Pterycombus petersii, 3 specimens, 95.3-214.0 mm SL) collected from a large purse seine off Jeju Island, in the southern sea of Korea, and a carangid (Carangoides dinema, 1 specimen, 194.5 mm SL) from a set net in coastal waters off Busan, in the southeastern sea of korea. R. laevis is characterized by a wedge-shaped body and truncated clavus; P. petersii by the dorsal fin origin above or behind the posterior margin of eye, and dorsal and anal fins depressible; and C. dinema by a row of black blotches along the second dorsal fin base, the curved part of the lateral line longer than straight part, and 18 and 16 dorsal and anal fin rays, respectively. New Korean names are proposed for all three species.

Taxonomic Studies on Soil Mites (Acari: Oribatei) of Korea (한국산 토양서식성응애(응애목: 날개응애아목)의 분류에 관한 연구)

  • 최성직
    • Korean journal of applied entomology
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    • v.33 no.1
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    • pp.39-50
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    • 1994
  • In the course of the taxonomic study on onbatid mites from Korea, the author obtained one nau genus, 5 new species, 1 new subspecies, and 5 species unrecorded in Korea for th first time. They are Koreonbates foliatus gen. n, sp. n., Hermannio neotricha sp. n., Xyiobates geonjiensis sp. n., Defectamems sungohi sp. n., Protoripoda flagellato sp. n., Liocarus gommatus coreanus ssp. n., Liocarus polychoihomus Wen, 1991, Tectodamoeus armatus Aok, 1984, T striatus Enami et Aoki, 1988. Oripoda trilabiata Hammer, 1961, and Dometorino tuberculata Aoki, 1984. And keys to the species and subspec~es of genera Liacorus, Defectamems, and Protoripoda are present All the specimens are deposited at the Lab of Plant Protection, Coli, ot Agr, Won Kwang Univ., hi, Korea. KEY WORDS Taxonomic, Acari, Oribatei, Korea.

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