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Strain-dependent sequence heterogeneity in the nuclear group I introns and large subunit ribosomal RNA in Physarum polycephalum.

作者信息

Johansen S

机构信息

Institute of Medical Biology, University of Tromso, Norway.

出版信息

DNA Seq. 1991;2(3):193-6. doi: 10.3109/10425179109039689.

DOI:10.3109/10425179109039689
PMID:1818756
Abstract

The DNA sequence of an internal EcoRI fragment in the large subunit ribosomal RNA gene from the myxomycete Physarum polycephalum, strain M3C, has been determined. This ribosomal DNA fragment contain two group I introns. Sequence heterogeneity in the two introns and in the coding region of the ribosomal RNA were identified upon comparison to the strain PPO-1 sequence. The nature of the sequence variations is discussed.

摘要

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引用本文的文献

1
Nucleolar introns from Physarum flavicomum contain insertion elements that may explain how mobile group I introns gained their open reading frames.来自黄绒黏菌的核仁内含子含有插入元件，这或许可以解释Ⅰ类移动内含子是如何获得其开放阅读框的。
Nucleic Acids Res. 1994 Nov 11;22(22):4553-9. doi: 10.1093/nar/22.22.4553.
2
Extrachromosomal ribosomal DNA of Didymium iridis: sequence analysis of the large subunit ribosomal RNA gene and sub-telomeric region.梨形双岐藻的染色体外核糖体DNA：大亚基核糖体RNA基因和亚端粒区域的序列分析
Curr Genet. 1992 Oct;22(4):305-12. doi: 10.1007/BF00317926.
3
Structure and evolution of myxomycete nuclear group I introns: a model for horizontal transfer by intron homing.
黏菌核I类内含子的结构与进化：内含子归巢介导水平转移的模型
Curr Genet. 1992 Oct;22(4):297-304. doi: 10.1007/BF00317925.