Structure and Associated Biological Functions of Viroids

被引:37
作者
Steger, Gerhard [1 ]
Perreault, Jean-Pierre [2 ]
机构
[1] Univ Dusseldorf, Inst Phys Biol, Dusseldorf, Germany
[2] Univ Sherbrooke, Dept Biochim, Fac Med & Sci Sante, Pavillon Rech Appl Canc, Quebec City, PQ, Canada
来源
ADVANCES IN VIRUS RESEARCH, VOL 94 | 2016年 / 94卷
关键词
CENTRAL CONSERVED REGION; LOOP-E-MOTIF; LEFT-TERMINAL DOMAIN; RNA MOTIF; NUCLEOTIDE-SEQUENCE; SECONDARY STRUCTURE; TERTIARY STRUCTURE; PEACH CALICO; HAIRPIN-II; IN-VIVO;
D O I
10.1016/bs.aivir.2015.11.002
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Mature viroids consist of a noncoding, covalently closed circular RNA that is able to autonomously infect respective host plants. Thus, they must utilize proteins of the host for most biological functions such as replication, processing, transport, and pathogenesis. Therefore, viroids can be regarded as minimal parasites of the host machinery. They have to present to the host machinery the appropriate signals based on either their sequence or their structure. Here, we summarize such sequence and structural features critical for the biological functions of viroids.
引用
收藏
页码:141 / 172
页数:32
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