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Asymmetrical Distribution of Neisseria Miniature Insertion Sequence DNA Repeats among Pathogenic and Nonpathogenic Neisseria Strains

机译:致病性和非致病性奈瑟菌菌株之间的奈瑟菌微型插入序列DNA重复序列的不对称分布

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摘要

Neisseria miniature insertion sequences (nemis) are miniature DNA insertion sequences found in Neisseria species. Out of 57 elements closely flanking cellular genes analyzed by PCR, most were conserved in Neisseria meningitidis but not in N. lactamica strains. Since mRNAs spanning nemis are processed by RNase III at hairpins formed by element termini, gene sets could selectively be regulated in meningococci at the posttranscriptional level.
机译: Neisseria 微型插入序列( nemis )是在 Neisseria 物种中发现的微型DNA插入序列。通过PCR分析,在靠近细胞基因的57个元件中,大多数在脑膜炎奈瑟氏球菌中是保守的,而在 N中则不是。内酰胺酶菌株。由于跨越 nemis 的mRNA在元件末端形成的发夹处被RNase III加工,因此可以在转录后水平选择性地调节脑膜炎球菌中的基因集。

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