DNA polymerases of human tonsil and chicken bursa: absence of a distinct B cell specific terminal deoxynucleotidyl transferase. |
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Authors: | M J Modak H Bhatt S Seidner E C Hahn S Gupta R A Good |
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Institution: | Memorial Sloan-Kettering Cancer Center 1275 York Avenue, New York, N.Y. 10021 USA |
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Abstract: | The extracts obtained from chicken bursas and human tonsils, both of which are known to contain predominantly B lymphocyte precursor cells, were examined for the presence of putative B cell specific terminal deoxynucleotidyl transferase (B-TdT). Neither of the two types of tissue extracts revealed the presence of specific TdT, although the presence of DNA polymerase α, β, and γ could be easily demonstrated. |
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Keywords: | To whom to address correspondence |
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