嗜硫红假单胞菌这种海洋光合细菌的细胞外转运RNA未被氨酰化。
Extracellular tRNAs of the marine photosynthetic bacterium Rhodovulum sulfidophilum are not aminoacylated.
作者信息
Suzuki Hiromichi, Umekage So, Tanaka Terumichi, Kikuchi Yo
机构信息
Division of Life Science and Biotechnology, Department of Ecological Engineering, Toyohashi University of Technology, Aichi, Japan.
出版信息
Biosci Biotechnol Biochem. 2009 Feb;73(2):425-7. doi: 10.1271/bbb.80465. Epub 2009 Feb 7.
The marine photosynthetic bacterium Rhodovulum sulfidophilum produces nucleic acids extracellularly. We have identified these extracellular RNAs as fully mature sized tRNAs and fragments of 16S and 23S rRNAs. Most of the tRNAs have mature 3'-terminal CCA sequences. In the present study we found that these extracellular tRNAs were not aminoacylated, although almost all intracellular tRNAs are aminoacylated.
海洋光合细菌嗜硫小红卵菌在细胞外产生核酸。我们已将这些细胞外RNA鉴定为完全成熟大小的tRNA以及16S和23S rRNA的片段。大多数tRNA具有成熟的3'-末端CCA序列。在本研究中，我们发现这些细胞外tRNA未被氨酰化，尽管几乎所有细胞内tRNA都被氨酰化。
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