• Title, Summary, Keyword: unrecorded species

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Description of ten unrecorded bacterial species isolated from Ostrea denselamellosa and Eriocheir japonica from the Seomjin River

  • Choi, Ahyoung;Han, Ji-Hey;Kim, Eui-Jin;Cho, Ja Young;Hwang, Sun-I
    • Korean Journal of Environmental Biology
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    • v.37 no.4
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    • pp.592-599
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    • 2019
  • Ostrea denselamellosa and Eriocheir japonica samples were collected from the Seomjin River in 2019 as part of the "Research of Host-Associated Bacteria" research program. Almost 200 bacterial strains were isolated from the O. denselamellosa and E. japonica samples and subsequently identified by 16S rRNA gene sequencing. Among the bacterial isolates, ten strains possessed greater than 98.7% sequence similarity with published bacterial species that had not previously been recorded in Korea. These species were phylogenetically diverse, belonging to three phyla, four classes, seven orders, and eight genera. At the genus and class level, the previously unrecorded species belonged to Pseudoalteromonas, Aliivibrio, Rheinheimera, Leucothrix, and Shewanella of the class Gamma-proteobacteria, Olleya of the class Flavobacteriia, Algoriphagus of the class Cytophagia, and Lactococcus of the class Bacilli. The previously unrecorded species were further characterized by examining their Gram staining, colony and cell morphology, biochemical properties, and phylogenetic positions.

Sedum makinoi Maxim. (Crassulaceae): an unrecorded species from Korea (둥근잎비름(돌나물과): 국내 미기록종)

  • Park, Seon-Joo;Park, Seong-Jun
    • Korean Journal of Plant Taxonomy
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    • v.35 no.3
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    • pp.193-199
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    • 2005
  • We reported an unrecorded species from Korean flora, Sedum makinoi found at Mt. Sung-am, Sajung-dong, Gyeongsan-si, Gyeongsangbuk-do. The species is distinguished from other Korean species of section Seda-genuina by flat and orbicular leaves and opposite phyllotaxy on flowering shoots. Description and illustration of the species and photos of the habitat are provided.

Two unrecorded marine nematode species of Paracanthonchus (Nematoda: Cyatholaimidae) from the East Sea of Korea

  • Lee, Hyo Jin;Jung, Jongwoo;Rho, Hyun Soo
    • Journal of Species Research
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    • v.5 no.3
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    • pp.503-513
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    • 2016
  • Two unrecorded marine nematode species, belonging to genus Paracanthonchus Micoletzky, 1924, are described on the basis of the specimens collected from rocky intertidal seagrass bed on the eastern coast of Korea. Paracanthonchus macrodon (Ditlevsen, 1918) is characterized by presence of cuticular differentiation, strongly dilated gubernaculum with numerous cusps, three post-cloacal setae, and arrangement of six (4+2) precloacal supplement. Paracanthonchus kamui Kito, 1981 is distinguished from other species of the genus by having the 4.25 turns amphideal fovea, six tubular supplement, rib-shaped gubernaculums with proximally hook-shaped and distally broaden. In this study, we provide taxonomic description and illustration of two unrecorded species of the genus Paracanthonchus by differential interference contrast microscopy. This is the first report on the species of the genus Paracanthonchus from Korea.

One unrecorded species from Korea : Scutellaris orthocalyx Hand.-Mazz. (한국 미기록 식물 종: 소황금 (골무꽃속, 꿀풀과))

  • 양영환
    • Korean Journal of Plant Resources
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    • v.17 no.1
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    • pp.41-42
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    • 2004
  • Here, we have described and illustrated a new endemic species of Scutellaria orthocalyx. This species, from Jeju-do, Korea, is clearly distinguished from other species of Scutellaria orthocalyx, especially its close relative, Scutellaria orthocalyx has relatively many leaves further down the stem. The shape of leaves begins linear and becomes lanceolate. Scutellaria orthocalyx can also have long shaped leaves on the upper part. Scutellaria baicalensis by linear, terete, fistulous and long leaves. A index to these species is provided.

Unrecorded moss species from Korean flora II

  • Yoon, Young Jun;Kim, Chul Hwan;Gorobets, Konstantin-V.;Sun, Byung-Yun
    • Korean Journal of Plant Taxonomy
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    • v.41 no.3
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    • pp.235-241
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    • 2011
  • Five unrecorded species (Oedipodium griffithianum, Myurella tenerrima, Trachypus bicolor, Coscinodon humilis, Meteorium miquelianum subsp. atrovariegatum) with one unrecorded family and two unrecorded genera, were reported as new to the Korean moss flora. The monotypic family Oedipodiaceae consisting of a single genus and single species was distinguished from Splachnaceae by small plants that were 10 mm in length simple or sometimes branched, obovate-spathulate to ${\pm}$ orbicular, costa ending below the apex and entire margins except for the lower long-ciliate portion The species was first found at the top of the Mt. Seorak at an altitude of 1708 m. The two genera, Myurella and Coscinodon were found in the Korean Peninsula. Myurella tenerrima (Theliaceae) was found around the top of Jung-bong on Mt. Jiri. It was mixed with other mosses in the crevices of rocks in the alpine regions. The species is similar to M. sibirica, yet it can be distinguished by the position of papilla in the median laminal cells. Coscinodon humilis (Grimmiaceae) were found on the ridge of Mt. Gaya. C. humilis has a variety of hyaline apex according to leaf position and forms a capsule so it can be distinguished by family. Trachypus bicolor and Meteorium miquelianum subsp. atrovariegatum are unrecorded species. T. bicolor (Trachypodaceae) were found on the ridge of Mt. Gaya. T. bicolor is similar to T. humilis but distinguished by the costal lengths of the leaves. M. miquelianum subsp. atrovariegatum (Meteoriaceae) was found in Gageo-do. This species was distinguished by the plant form and morphology of stem leaves in the same genus.

A report of 26 unrecorded bacterial species in Korea, isolated from urban streams of the Han River watershed in 2018

  • Joung, Yochan;Jang, Hye-Jin;Kim, Myeong Woon;Hwang, Juchan;Song, Jaeho;Cho, Jang-Cheon
    • Journal of Species Research
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    • v.8 no.3
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    • pp.249-258
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    • 2019
  • Owing to a distinct environmental regime and anthropogenic effects, freshwater bacterial communities of urban streams are considered to be different from those of large freshwater lakes and rivers. To obtain unrecorded, freshwater bacterial species in Korea, water and sediment samples were collected from various urban streams of the Han River watershed in 2018. After plating the freshwater samples on R2A agar, approximately 1000 bacterial strains were isolated from the samples as single colonies and identified using 16S rRNA gene sequence analyses. A total of 26 strains, with >98.7% 16S rRNA gene sequence similarity with validly published bacterial species but not reported in Korea, were determined to be unrecorded bacterial species in Korea. The unrecorded bacterial strains were phylogenetically diverse and belonged to four phyla, six classes, 12 orders, 16 families, and 21 genera. At the generic level, the unreported species were assigned to Nocardioides, Streptomyces, Microbacterium, Kitasatospora, Herbiconiux, Corynebacterium, and Microbacterium of the class Actinobacteria; Paenibacillus and Bacillus of the class Bacilli; Caulobacter, Methylobacterium, Novosphingobium, and Porphyrobacter of the class Alphaproteobacteria; Aquabacterium, Comamonas, Hydrogenophaga, Laribacter, Rivicola, Polynucleobacter, and Vogesella of the class Betaproteobacteria; Arcobacter of the class Epsilonproteobacteria; and Flavobacterium of the class Flavobacteriia. The details of the 26 unreported species, including Gram reaction, colony and cell morphology, biochemical properties, and phylogenetic position are also provided in the strain descriptions.

New Records of Benthic Dinoflagellates of Four Genera (Bispidodinium, Cabra, Prorocentrum, Sinophysis) from the Coastal Beach of Korea

  • Kang, Su-Min;Lee, Joon-Baek
    • Korean Journal of Environmental Biology
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    • v.36 no.3
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    • pp.252-259
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    • 2018
  • A research probing for the unrecorded and taxonomically undescribed indigenous species has been initiated since 2006. Samples were collected from an intertidal zone along the coasts of Korea as well as around the Jeju Island. We have found five unrecorded species of four genera belonging to the order Dinophysiales, Gymnodiniales, Peridiniales, and Prorocentrales. The species are as follows, Sinophysis canaliculata (2017) Bispidodinium angelaceum (2015), Cabra armorica (2016), Prorocentrum bimaculatum (2017), and P. tsawwassenense (2017) (note; The numbers in parenthesis refer to the year in which the species was reported as unrecorded indigenous species by National Institute of Biological Resources, NIBR hereafter).

One unrecorded species from Korea: Suaeda malacosperma Hara (나문재속 한반도 미기록식물 1종)

  • Shim, Hyun-Bo;Chung, Joo-Young;Choi, Byoung-Hee
    • Korean Journal of Plant Taxonomy
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    • v.31 no.4
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    • pp.383-387
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    • 2001
  • One unrecorded species of Suaeda is found from the western and southern coast of Korea. The morphological characteristics and habitat of the plant are described. The species is distinguished from the other Korean species in the genus by its thin and broad leaves and the stellate shape of fruits.

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Viburnum japonicum (Caprifoliaceae) : an unrecorded species in Korea (푸른가막살(인동과): 우리나라 미기록종)

  • Hong, Hang-Hwa;Im, Hyoung-Tak
    • Korean Journal of Plant Taxonomy
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    • v.33 no.3
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    • pp.271-277
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    • 2003
  • We report an unrecorded species of Viburnum, V. japonicum (Thunb.) Sprengel, found in Gageo-do Island, a subtropical zone in Jeollanam-do Province. We named a species Foo-reun-ga-mak-sal. It is easily distinguishable from other recorded species of Viburnum by the characteristics such as exposed winter buds and indeciduous leaves with lustrous and glabrous texture.

Patrinia monandra (Valerianaceae): an unrecorded species in Korea (긴뚝갈(마타리과): 국내 미기록종)

  • Kim, Jin-Seok;Lee, Byung-Chun;Chung, Jea-Min;Pak, Jae-Hong
    • Korean Journal of Plant Taxonomy
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    • v.34 no.2
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    • pp.167-172
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    • 2004
  • We report an unrecorded species of Patrinia in Korea, P. monandra C. B. Clarke. This species was found from Neasosa, Buan-gun, Prov. Jeollabuk-do, Sanghwangbong and Bogildo, Wando-gun, Prov. Jeollanam-do in the southwest of Korea. We named 'Gin-dook-gal' as a common name of this species. It is easily distinguishable from Patrlnia villosa (Thunb.) Juss. by the characteristics such as lemon yellow corolla, one (sometimes three) stamen(s) and fruit fused with large bracteole-wing orbiculate.