Isolation of an IgH gene circular DNA clone from human bone marrow | Zendy

Masumi Abe | Zendy; Hiroshi Shiku | Zendy

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Isolation of an IgH gene circular DNA clone from human bone marrow

Author(s) -

Masumi Abe,

Hiroshi Shiku

Publication year - 1989

Publication title -

nucleic acids research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 9.008

H-Index - 537

eISSN - 1362-4954

pISSN - 0305-1048

DOI - 10.1093/nar/17.1.163

Subject(s) - biology , dna , gene , clone (java method) , genetics , circular dna , isolation (microbiology) , bone marrow , microbiology and biotechnology , genome , bioinformatics , immunology

Circular DNA was obtained from human bone marrow. Then a phage library was prepared and screened by use of two probes of the IgH gene; 5'-DHQ52, containing the 5' flanking region of DHQ52, and JH4.3, containing the sequence from JH3 to the 3' flanking region of JH6. One clone, HBMC-1, that was DHQ52+JH4.3- was obtained. HBMC-1 had the germline IgH region upstream of JH1 and the 3' flanking region of DXP1. A recombination signal sequence flanking the 5' side of the JH1 segment was attached to the recombination signal sequence flanking the 3' side of DXP1 forming a head-to-head structure of two 7mers with 10 nucleotides in-between. HBMC-1 is thus considered to be a circular DNA deleted as a consequence of DXP1-JH1 joining of the IgH gene.

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