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Do, Yoonkyung
DC-based Immune System & Immunotherapy (DISNI) Lab
Research Interests
  • Study on various subsets of dendritic cells and their immunological functions
  • Vaccine development by targeting pathogenic antigens to distinct DC subsets via anti-DC-subset-specific-receptor monoclonal antibodies
  • Characterization of roles of DCs in tumor microenvironment and tumor metastasis
  • Studies on role of DCs in neuro-related diseases
  • Study DCs in collaboration with Biotechnology or Engineering field

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Ribosomal DNA intergenic spacer of the swimming crab, Charybdis japonica

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Title
Ribosomal DNA intergenic spacer of the swimming crab, Charybdis japonica
Author
Ryu, SHDo, YoonkyungHwang, UWChoe, CPKim, W
Keywords
Charybdis japonica; Intergenic spacer; Repeat unit; Ribosomal DNA; Subrepeat
Issue Date
1999-12
Publisher
SPRINGER
Citation
JOURNAL OF MOLECULAR EVOLUTION, v.49, no.6, pp.806 - 809
Abstract
We have determined the full sequence of the ribosomal DNA intergenic spacer (IGS) of the swimming crab, Charybdis japonica, by long PCR for the first time in crustacean decapods. The IGS is 5376 bp long and contains two nonrepetitive regions separated by one long repetitive region, which is composed mainly of four subrepeats (subrepeats I, II, III, and IV). Subrepeat I contains nine copies of a 60-bp repeat unit, in which two similar repeat types (60 bp-a and 60 bp-b) occur alternatively. Subrepeat II consists of nine successive repeat units with a consensus sequence length of 142 bp. Subrepeat III consists of seven copies of another 60-bp repeat unit (60 bp-c) whose sequence is complementary to that of subrepeat I. Immediately downstream of subrepeat III is subrepeat IV, consisting of three copies of a 391-bp repeat unit. Based on comparative analysis among the subrepeats and repeat units, a possible evolutionary process responsible for the formation of the repetitive region is inferred, which involves the duplication of a 60-bp subrepeat unit (60 bp-c) as a prototype.
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ISSN
0022-2844
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BME_Journal Papers
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