NtRBP45, a nuclear RNA-binding protein of Nicotiana tabacum, facilitates post-transcriptional gene silencing.
NtRBP45, a nuclear RNA-binding protein of Nicotiana tabacum, facilitates post-transcriptional gene silencing.
复制标题
NtRBP45 是烟草的一种核 RNA 结合蛋白,可促进转录后基因沉默
作者:
Zhang W;Zhu Z;Du P;Zhang C;Yan H;Wang W;Li W
The tobacco RBP45 is a nuclear RNA binding protein (RBP). In this study, we identified that the gene expression of NtRBP45 was significantly up‐regulated upon the Tobacco mosaic virus infection and the central region of the protein accounted for its nuclear localization. In particular, using a green fluorescent protein‐based transient suppression assay, we uncovered that the transiently overexpressed NtRBP45 was able to enhance local post‐transcriptional gene silencing (PTGS), facilitate siRNA accumulation, and compromise the RNA silencing suppression mediated by Tomato aspermy virus 2b protein. Deletion mutagenesis showed that both the N‐ and C‐terminal regions of NtRBP45 were necessary for enhancing PTGS. The data overall indicated a novel RNA silencing factor that might participate in antiviral defense.
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DOI:
10.1073/pnas.83.6.1832
发表时间:
1986-03-01
影响因子:
11.1
作者:
DAWSON, WO;BECK, DL;GRANTHAM, GL
通讯作者:
GRANTHAM, GL
影响因子:
4.9
作者:
Kim, Sanghee;Yang, Jun-Yi;Chua, Nam-Hai
通讯作者:
Chua, Nam-Hai
影响因子:
4.5
作者:
Fukudome, Akihito;Kanaya, Akihiro;Fukuhara, Toshiyuki
通讯作者:
Fukuhara, Toshiyuki
影响因子:
14.9
作者:
Chen T;Cui P;Xiong L
通讯作者:
Xiong L
影响因子:
11.4
作者:
Li, HW;Lucy, AP;Ding, SW
通讯作者:
Ding, SW