STRUCTURE AND ORGANIZATION OF RIBOSOMAL DNA

被引:73
作者
SRIVASTAVA, AK [1 ]
SCHLESSINGER, D [1 ]
机构
[1] WASHINGTON UNIV,SCH MED,DEPT MOLEC MICROBIOL,660 SO EUCLID AVE,BOX 8230,ST LOUIS,MO 63110
基金
美国国家科学基金会;
关键词
D O I
10.1016/0300-9084(91)90042-Y
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Three trends are seen in the organization of ribosomal DNA genes during evolution: 1) gradual separation and separability of the regulation of transcription of 5S and larger subunit rRNAs; 2) retention of a transcription unit containing both large and small rRNAs; and 3) clustering of genes for both 5S and 18S-28S rDNAs, with the possible association of other 'non-rDNA' in the clusters of 18S-28S rDNA genes by the time mammals evolve.
引用
收藏
页码:631 / 638
页数:8
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