Abstract:
:Escherichia coli contains a large number of suicide or toxin genes, whose expression leads to cell growth arrest and eventual cell death. One such toxin, MazF, is an ACA-specific endoribonuclease, termed "mRNA interferase."E. coli contains other mRNA interferases with different sequence specificities, which are considered to play important roles in growth regulation under stress conditions, and also in eliminating stress-damaged cells from a population. Recently, MazF homologues with 5-base recognition sequences have been identified, for example, those from Mycobacterium tuberculosis. These sequences are significantly underrepresented in the genes for protein families playing a role in the immunity and pathogenesis of M. tuberculosis. An mRNA interferase in Myxococcus xanthus is essential for programmed cell death during fruiting body formation. We propose that mRNA interferases play roles not only in cell growth regulation and programmed cell death, but also in regulation of specific gene expression (either positively or negatively) in bacteria.
journal_name
Prog Mol Biol Transl Scijournal_title
Progress in molecular biology and translational scienceauthors
Yamaguchi Y,Inouye Mdoi
10.1016/S0079-6603(08)00812-Xsubject
Has Abstractpub_date
2009-01-01 00:00:00pages
467-500eissn
1877-1173issn
1878-0814pii
S0079-6603(08)00812-Xjournal_volume
85pub_type
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更新日期:2011-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2012-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2013-01-01 00:00:00
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