• Title/Summary/Keyword: Gen. n. sp.

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Sinistras chois, a new genus and species of terrestrial cave snails from jeju Island, Korea(Gastropoda: Subulinidae)

  • Park, Gab-Man
    • Proceedings of the Korean Aquaculture Society Conference
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    • 2004.05a
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    • pp.510-511
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    • 2004
  • A terrestrial cave snail (Gastropoda: Subulinidae), Sinistras chois n. gen., n. sp., from the Gungi-cave in Jeju Island, South Korea represents a monotypic genus, and is proposed as a new genus in the family Subulinidae. Diagnostic features of the genus include a sinistral shell, that has a minute-sized, elongate conic-shaped, apical microsculpture with low tubercles. The chromosome number and karyotype are 2n=56 and 8M+15SM+5ST, respectively.

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Terrestrial Isopoda (Crustacea) from Korea (한국산 육서 등각류(갑각류))

  • 권도헌
    • The Korean Journal of Zoology
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    • v.36 no.1
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    • pp.133-158
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    • 1993
  • Eighteen species of terrestrial isopods are recorded from Korea. Lucosioides toitii, n. gen. and n. sp. is described. MonEoloniscus Verhoeff is considered to be a full genus. Four poorly known species are described, viz., Exnlloniscus cortii, Lucasioides gigfiotosi, MonEoloniscus koreonus, and M. n ipponicus. Tvlos grinuliferus and Alloniscus balssi are discussed and illustrated. Porcellio (Nagura) vonnamei Arcangeli from Japan is transferred to Mongoloniscus. Nagurus katakurus Nunomura from Japan is considered to be a junior svnonlun of Mongoloniscus nipponicus.

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Four New Species of Copepods (Crustacea) Associated with Gorgonacean Corals (Cnidaria) from Bohol Island, the Philippines (필리핀 보홀섬의 해양류(자포동물문)에 공생하는 요각류(갑각 강) 4신종)

  • Kim Il-Hoi
    • Animal Systematics, Evolution and Diversity
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    • v.21 no.2
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    • pp.171-191
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    • 2005
  • Four new species of Copepoda associated with gorgonacean corals are described from Bohol Island, the Philippines. They are Acanthomolgus longiunguifer, A. geminus, and Paramolgus incidentus in the order Cycolopoida and Humescheres boholensis n. gen., n. sp. in the order Siphonostomatoida.

Hamaticyclops ahni, a New Genus and Species of the Family Clausidiidae (Crustacea, Copepoda, Poecilostomatoida) from California, United States

  • Kim, Il-Hoi
    • Animal Systematics, Evolution and Diversity
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    • v.31 no.4
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    • pp.304-310
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    • 2015
  • Hamaticyclops ahni is described as a new genus and species from the Californian shore of the United States. It was discovered as a victim of the sea anemone Anthopleura elegantissima (Brandt). The new genus is closely related to the genus Hemicyclops but possesses, as significant autapomorphies, three strong claws on the second endopodal segment of antenna and a markedly elongate exopod of leg 5 with its protopod fused to somite.

Nucleotide Sequence of Cellulolytic Xylanase Gene (bglBC2) from Bacillus circulans (Bacillus circulans 유래 cellulolytic xylanase 유전자(bglBC2)의 염기서열 결정 및 분석)

  • Kim, Ji-Yeon
    • Korean Journal of Microbiology
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    • v.42 no.1
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    • pp.67-72
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    • 2006
  • The nucleotide sequence of the cloned cellulolytic xylanase gene (bglBC2) from B. circulans ATCC21367 was determined. bglBC2 consists of an 1,224 bp open reading frame (ORF) coding for a polypeptide of 407 amino acids with a deduced molecular weight of 45 kDa. The Shine-Dalgarno (SD) sequence (5'-AAAGGAG-3') was found 9 bp upstream of the initiation codon, ATG. A promoter region corresponding closely to the B. subtilis consensus sequence (-35: TTGACA,-10: TATAAT) was detected, the putative -35 and -10 sequences of which were TTTACA and TATACT, respectively. The deduced amino acid sequence of the cellulolytic xylanase showed 97% homology with that of the alkaline $endo-\beta-1,4-glucanase$ from B. circulans KSM-N257, 75% homology with that of the $endo-\beta-1,3-1,4-glucanase$ from B. circulans WL-12, and 45% homology with that of the $endo-\beta-1,4-glucanase$ (cellulase) from Bacillus sp. KSM-330. The bglBC2 sequence was deposited in Gen-Bank under the accession number AY269256.

Identical small subunit ribosomal RNA gene nucleotide sequence of bovine Theileria isolates (Korea and Japan) and Theileria buffeli (Marula, Kenya) (한국파 일본의 소에서 분리한 Theileria 분리주와 Theiferia buffeli (Marula, Kenya)의 small subunit ribosomal RNA 유전자 염기서열의 일치)

  • 채준석;권오덕
    • Parasites, Hosts and Diseases
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    • v.36 no.1
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    • pp.47-54
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    • 1998
  • Small subunit ribosomal RNA (SSU rRNA) gene nucleotide sequences of bovine ReiLerin isolates from Korea (KLS and KCB) and japan (JHS) were determined. The genes from each isolate were amplified by the polymerase chain reaction and the approxi- mately 1.8 kb product cloned and sequenced by a modified dideoxynucleotide method. Overlapping gene segments produced with a series of primers were sequenced, resoRting in a complete DNA sequence for both forward and reverse strands of the SSU rRNA genes of each isolate. SSU rRNA gene sequences (termed Type A) were identical among the bovine ReiLeri,n isolates from Korea and the isolate from Japan. A GenBank data library homolo- gy search showed the sequence to be the same as that listed as leiLeyia buKeLi isolated from cattle in Marula, Kenya.

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A New Species in the Family Irciniidae(Demospongiae: Dictyoceratida) from Korea

  • Sim, Chung-Ja;Lee, Kyung-Jin
    • Animal cells and systems
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    • v.6 no.4
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    • pp.283-285
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    • 2002
  • Sponges of the family Irciniidae are poorly known in Korean waters. This paper describes a new species of new genus, Bergquistia coreana n. sp. in the family Irciniidae (Demospongiae: Dictyoceratida) from Jejudo Island, Korea from 1998 to 1999. Bergquistra n. gen. is characterized by extremely simple fasciculated and uncored primary fibres. However, in the choano-somal region, primary fibres are made of wider clear web. Secondary fibres form a very thin regular uncored network. The sponge surface has thick and regular conules. The colour is beige throughout the sponge, and the texture is slightly hard and compressible. Thickness of filament is variable.

Identification and Characterization of a Ringspot Isolate of Odontoglossum ringspot virus from Cymbidium var.'Grace Kelly'

  • Park, Won-Mok;Park, Seung-Kook;Park, Sun-Hee;Ryu, Ki-Hyun;Park, Chang-Won;Park, Jang-Kyung
    • The Plant Pathology Journal
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    • v.18 no.6
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    • pp.317-322
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    • 2002
  • An isolate of Odontoglossum ringspot virus (ORSV) was identified from Cymbidium var. 'Grace Kelly' showing ringspot symptom on the floral and leaf parts, and was denoted as cymbidium ringspot isolate (ORSV-CR). In ultrathin sections of leaf tissue from diseased Cymbidium plants, clusters of virus particles were observed in the vacuole and cytoplasm. In the Western blot hybridization, the virus strongly reacted with ORSV-specific antiserum indistinguishable from ORSV, suggesting that the vims is serologically identical with ORSV. ORSV-CR sap was inoculated onto 20 species belonging to 12 genera. Systemic infection occurred in Cymbidium sp., Nicotiana benthamiana and N. clevelandii, the host of which was found to be different from that of ORSV-Cy, the Korean strain of ORSV. The analysis of coat protein (CP) gene showed that ORSV-CR was highly homologous to the known isolates of ORSV, with over 95.6% identity in amino acid level. Phylogenetic tree analysis of CP showed that ORSV-CR was clustered with the known ORSV isolates, suggesting that ORSV is a very stable tobamovirus.

Dasania marina gen. nov., sp. nov., of the Order Pseudomonadales, Isolated from Arctic Marine Sediment

  • Lee, Yoo-Kyung;Hong, Soon-Gyu;Cho, Hyun-Hee;Cho, Kyeung-Hee;Lee, Hong-Kum
    • Journal of Microbiology
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    • v.45 no.6
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    • pp.505-509
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    • 2007
  • An obligately aerobic bacterium, strain KOPRI $20902^T$, was isolated from a marine sediment in Ny-${\AA}$lesund, Spitsbergen Islands, Norway. Cells were irregular rods and motile with polar monotrichous flagellum. The optimum growth temperature was $17-22^{\circ}C$. Cells grew best in pH 7.0-10.0 and 3-4% sea salts (corresponding to 2.3-3.1% NaCl). The novel strain required $Ca^{2+}$ or $Mg^{2+}$ in addition to NaCl for growth. Sequence analysis of 16S rRNA gene revealed that the Arctic isolate is distantly related with established species (<92.4% sequence similarity) and formed a monophyletic group with Cellvibrio, which formed a distinct phylogenetic lineage in the order Pseudomonadales. Predominant cellular fatty acids [$C_{16:1}\;{\omega}7c/15:0$ iso 2OH (45.3%), $C_{16:0}$ (18.4%), ECL 11.799 (11.2%), $C_{10:0}$ 3OH (10.4%)]; DNA G+C content (37.0 mol%); nitrate reduction to nitrogen; absence of aesculin hydrolysis, N-acetyl-${\beta}$-glucosaminidase and esterase; no assimilation of arabinose, galactose, glucose, lactose, maltose, and trehalose differentiated the strain from the genus Cellvibrio. Based on the phylogenetic and phenotypic characteristics, Dasania marina gen. nov., sp. nov. is proposed in the order Pseudomonadales. Strain KOPRI $20902^T$ (=KCTC $12566^T$=JCM $13441^T$) is the type strain of Dasania marina.

Terrestrial Isopoda (Crustacea) from Cheju Island, Korea (제주도산 육서 등각류(절지동물문, 갑각류))

  • Do Heon Kwon
    • Animal Systematics, Evolution and Diversity
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    • v.11 no.4
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    • pp.509-538
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    • 1995
  • Twenty-one speices of the terrestrial isopods are recorded from Cheju Island and Chja Island, Korea. Quepartoniscus tuberculatus, n. gen., n.sp., is described. The genus Koshiniscus Nunomura is considered to be a junior synonym of Armadilloniscus Uljanin, Armadilloniscus hoshikawai Nunomura and A. amakusaensis Nunomura of A. ellipticus, Mongloiscus nipponicus (Arcangeli) of M. vannamei(Arcangeli), Nagurus tsushimaensis Nunomura, N. pallidus Nunomura, and Mongoloniscus nigrogranulatus Kwon and Tatiti of M. koreanus (Verhoeff). Nagurus sinuosus Nunomura is transferred to Lucasioides Kwon , Protracheoniscus pannuosus Nunomura (of which P.awaensis Nunomura, Nagurus gotoensis Nunomura, and N. izuharaensis Nunomura are synonyms ) to Agnara Budde-Lund, and Armadillo obscurus Budde-Lind to Venezillo Verhoeff. Several poorly known species are redescribed and illustrated.

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