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Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence.

Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence. Research Abstract Details 

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  • Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence. Abstract Text:

    jae seong kimJae Seong Kim,hae jin jeongHae Jin Jeong,denis h lynnDenis H Lynn,jae yeon parkJae Yeon Park,young woon limYoung Woon Lim,woongghi shinWoongghi Shin,jae seong kimJae Seong Kim,hae jin jeongHae Jin Jeong,denis h lynnDenis H Lynn,jae yeon parkJae Yeon Park,young woon limYoung Woon Lim,woongghi shinWoongghi Shin,jae seong kimJae Seong Kim,hae jin jeongHae Jin Jeong,denis h lynnDenis H Lynn,jae yeon parkJae Yeon Park,young woon limYoung Woon Lim,woongghi shinWoongghi Shin,

    The planktonic ciliate Balanion masanensis n. sp. is described from living cells, from cells prepared by quantitative protargol staining (QPS), scanning electron microscopy (SEM), and transmitted electron microscopy (TEM) preparations, and the sequence of its nuclear small subunit rDNA (SSU rDNA) is reported. This species is almost ovoid with a flattened anterior oral region when the cells are alive and stained. The flattened anterior region of a living cell often forms a dome with the perimeter receded in a groove, and this region is easily inflated or depressed. In SEM photos, a brosse of six to nine monokinetids (or possibly three to five dikinetids) was observed inside the circumoral dikinetids. In TEM photos, circumoral microtubular ribbons were observed below the oral cilia, which along with the oral flaps were 8-16 mum in length. The cytostome is a slight funnel-like central depression on the flattened anterior end. The morphological characteristics of this ciliate are identical to those of the genus Balanion (Order Prorodontida). The ranges (and mean+/-standard deviation) of cell length, cell width, and oral diameter of living cells (n=23-26) were 27-43 mum (35.2+/-4.6), 25-32 mum (28.6+/-2.3), and 25-30 mum (27.6+/-1.3), respectively, while those of the QPS-stained specimens (n=70) were 23-37 mum (30.6+/-3.5), 26-35 mum (30.7+/-2.2), and 26-33 mum (29.5+/-1.5), respectively. Forty-six to 55 somatic kineties (SKs) were equally spaced around the cell body and extended from the oral to near the posterior regions with 24-50 monokinetids per kinety. Each kinetid bore a cilium 2.8-7.2 mum long. A caudal cilium (ca 14 mum long) arose on the posterior end. The single ellipsoid macronucleus is 6.8-13.4 x 6.8-10.5 mum, accompanied by a single micronucleus (2.0-2.8 x 1.5-2.5 mum) visible only in QPS specimens. Because, the cell size, the number of SKs, and the number of kinetosomes per SK of this ciliate were much greater than those of Balanion comatum and Balanion planctonicum, the only two Balanion species so far reported, we have established B. masanensis n. sp. When properly aligned, the sequence of the SSU rDNA of B. masanensis n. sp. (GenBank Accession No. AM412525) was approximately 9% different from that of Coleps hirtus (Colepidae, Prorodontida) and 12% different from that of Prorodon teres (Prorodontidae, Prorodontida).

    Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence. Publishing Authors By Initials

    js kimJS Kim,hj jeongHJ Jeong,dh lynnDH Lynn,jy parkJY Park,yw limYW Lim,w shinW Shin,js kimJS Kim,hj jeongHJ Jeong,dh lynnDH Lynn,jy parkJY Park,yw limYW Lim,w shinW Shin,js kimJS Kim,hj jeongHJ Jeong,dh lynnDH Lynn,jy parkJY Park,yw limYW Lim,w shinW Shin,

    For similar abstracts research abstracts see: abstracts research

    PUBMED ID PMID:

    MEDLINE DATE: 2007 Nov-Dec

    Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence. Journal Published:

    PUBLICATION TYPE: Journal Article

    Journal: The Journal of eukaryotic microbiology

    VOLUME: 54

    Page Numbers: 482-94

    Journal Abbreviation: J. Eukaryot. Microbiol.

    ISSN: 1066-5234

    DAY: 11

    MONTH: 12

    YEAR: 2007

    Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence. Information

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    LANGUAGE: eng

    NlmUniqueID: 9306405

    Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence. Keywords Mesh Terms:

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    Grant and Affiliation Information for Balanion masanensis n. sp. (Ciliophora: Prostomatea) from the Coastal Waters of Korea: Morphology and Small Subunit Ribosomal RNA Gene Sequence.

    AFFILIATION: School of Earth and Environmental Science, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea.

    Country: United States

    United States Research PublicationUnited States Research Publication

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    MEDLINETA: J Eukaryot Microbiol

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