리보솜은 mRNA상의 유전정보를 단백질로 번역하는 세포에 필수적인 거대복합체이다. 이러한 리보솜은 리보핵산단백질 복합체로, rRNA와 리보솜 단백질로 이루어져있다. 리보솜 조립과정은 리...
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국문 초록 (Abstract)
리보솜은 mRNA상의 유전정보를 단백질로 번역하는 세포에 필수적인 거대복합체이다. 이러한 리보솜은 리보핵산단백질 복합체로, rRNA와 리보솜 단백질로 이루어져있다. 리보솜 조립과정은 리...
리보솜은 mRNA상의 유전정보를 단백질로 번역하는 세포에 필수적인 거대복합체이다. 이러한 리보솜은 리보핵산단백질 복합체로, rRNA와 리보솜 단백질로 이루어져있다. 리보솜 조립과정은 리보솜 단백질 이외에도 많은 조립인자들이 각 구성요소의 조립을 도움으로써 이루어진다. 세포 내 리보솜 조립과정에 참여하는 조립인자들로 GTPase, ATPase, 샤페론, RNA helicase, 수식효소 등 다양한 단백질들이 알려졌다. 리보솜 조립과정 중 이러한 조립인자들은 리보솜 단백질 또는 rRNA의 수식에 참여하거나, 리보솜 단백질들과 rRNA의 조립 등을 돕는다. 이러한 리보솜 조립인자들에 관한 유전학적, 구조적, 생화학적 실험결과들이 많이 존재하지만 정확한 리보솜 조립과정과 이러한 조립인자들의 역할에 대해서는 아직 밝혀지지 않았다. 현재까지의 연구결과를 바탕으로 E. coli의 리보솜 조립과정을 돕는 단백질들에 대하여 알아보고자 한다.
다국어 초록 (Multilingual Abstract)
The ribosome is a protein synthesizing machinery and a ribonucleoprotein complex that consists of three ribosomal RNAs (23S, 16S and 5S) and 54 ribosomal proteins in bacteria. In the course of ribosome assembly, ribosomal proteins (r-protein) and rRNA...
The ribosome is a protein synthesizing machinery and a ribonucleoprotein complex that consists of three ribosomal RNAs (23S, 16S and 5S) and 54 ribosomal proteins in bacteria. In the course of ribosome assembly, ribosomal proteins (r-protein) and rRNAs are modified, the r-proteins bind to rRNAs to form ribonucleoprotein complexes which are folded into mature ribosomal subunits. In this process, a number of non-ribosomal trans-acting factors organize the assembly process of the components. Those factors include GTP- and ATP-binding proteins, rRNA and r-protein modification enzymes, chaperones, and RNA helicases. During ribosome biogenesis, they participate in the modifications of ribosomal proteins and RNAs, and the assemblies of ribosomal proteins with rRNAs. Ribosomes can be assembled from a discrete set of components in vitro, and it is notable that in vivo ribosome assembly is much faster than in vitro ribosome assembly. This suggests that non-ribosomal ribosome assembly factors help to overcome several kinetic traps in ribosome biogenesis process. In spite of accumulation of genetic, structural, and biochemical data, not only the entire procedure of bacterial ribosome synthesis but also most of roles of ribosome assembly factors remain elusive. Here, we review ribosome assembly factors involved in the ribosome maturation of Escherichia coli, and summarize the contributions of several ribosome assembly factors which associate with 50S and 30S ribosomal subunits, respectively.
목차 (Table of Contents)
참고문헌 (Reference)
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학술지 이력
연월일 | 이력구분 | 이력상세 | 등재구분 |
---|---|---|---|
2027 | 평가예정 | 재인증평가 신청대상 (재인증) | |
2021-01-01 | 평가 | 등재학술지 유지 (재인증) | |
2018-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2015-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2011-08-03 | 학술지명변경 | 외국어명 : Korean Journal of Life Science -> Journal of Life Science | |
2011-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2009-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2007-01-01 | 평가 | 등재학술지 유지 (등재유지) | |
2004-01-01 | 평가 | 등재학술지 선정 (등재후보2차) | |
2003-01-01 | 평가 | 등재후보 1차 PASS (등재후보1차) | |
2001-07-01 | 평가 | 등재후보학술지 선정 (신규평가) |
학술지 인용정보
기준연도 | WOS-KCI 통합IF(2년) | KCIF(2년) | KCIF(3년) |
---|---|---|---|
2016 | 0.37 | 0.37 | 0.42 |
KCIF(4년) | KCIF(5년) | 중심성지수(3년) | 즉시성지수 |
0.43 | 0.43 | 0.774 | 0.09 |