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Title: A unique group of self-splicing introns in bacteriophage T4
Authors: Khan, Asad U
Ajamaluddin, Malik
Ahmad, Masood
Issue Date: Oct-2001
Publisher: NISCAIR-CSIR, India
Abstract: We describe in this review, the salient splicing features of group I introns of bac teriophage T4 and propose, a hypothetical model to fit in the self-splicing of nrdB intron ofT4 phage. Occurrence of non-coding sequences in prokaryotic cells is a rare event while it is common in ellkaryotic cells, especially the higher eukaryotes. Therefore. T4 bacteriophage can serve as a good model system to study the evoluti onary aspects of splicing of introns. Three genes of T4 phage were found to have st retches of non-coding sequences which belonged to the group IA type introns of self-splicing nature.
Page(s): 289-293
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.38(5) [October 2001]

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