The two main rDNA size classes ofAscaris lumbricoides: comparison of transcription termination and spacer organization
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چکیده
منابع مشابه
The two main rDNA size classes of Ascaris lumbricoides: comparison of transcription termination and spacer organization.
Structural and functional analyses were carried out to compare transcription termination and intergenic spacer organization between the two heterogeneous ribosomal DNA size classes of Ascaris lumbricoides. By performing mung bean nuclease mapping in vivo, we localized the 3' end of the mature 26S rRNA to the same position in both forms. This site coincides with the in vivo and in vitro transcri...
متن کاملStructural organization of the two main rDNA size classes of Ascaris lumbricoides.
The two main rDNA size classes in the genome of Ascaris lumbricoides consist of 8.8 kb and 8.4 kb long repeating units present in a quantitative ratio of roughly 10:1. They both contain the genes coding for 18 , 5.8S and 26S ribosomal RNAs. The length heterogeneity is due to a 450 bp long spacer region localized in the longer repeating unit which begins 870 bp upstream of the 5'-end 18S gene. A...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1992
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/20.12.2977