Detecting circRNA in purified spliceosomal P complex.
Detecting circRNA in purified spliceosomal P complex.
复制标题
检测纯化剪接体 P 复合物中的 circRNA。
DOI:
10.1016/j.ymeth.2021.02.002
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发表时间:
2021-12
期刊:
影响因子:
--
通讯作者:
Zhao R
中科院分区:
文献类型:
--
作者:
Shi S;Li X;Zhao R
Circular RNAs (circRNAs) generated from back-splicing of exons have been found in a wide range of eukaryotic species and exert a variety of biological functions. Unlike canonical splicing, the mechanism of back-splicing has long remained elusive. We recently determined the cryo-EM structure of the yeast spliceosomal E complex assembled on introns, leading us to hypothesize that the same E complex can assemble across an exon forming the exondefinition complex. This complex, when assembled on long exons, goes through the splicing cycle and catalyzes back-splicing to generate circRNAs. Supporting this hypothesis, we purified the yeast post-catalytic spliceosomal P complex (the best complex in the splicing cycle to trap splicing products and intermediates) and detected canonical and back-splicing products as well as splicing intermediates. Here we describe in detail this procedure, which may be applied to other organisms to facilitate research on the biogenesis and regulation of circRNA.
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DOI:
10.1261/rna.047126.114
发表时间:
2014-12
期刊:
RNA (New York, N.Y.)
影响因子:
--
作者:
Lasda E;Parker R
通讯作者:
Parker R
影响因子:
4.8
作者:
COCQUERELLE, C;MASCREZ, B;BAILLEUL, B
通讯作者:
BAILLEUL, B
影响因子:
56.9
作者:
Cheng, Z;Menees, TM
通讯作者:
Menees, TM
影响因子:
4.1
作者:
Abdelmohsen, Kotb;Panda, Amaresh C.;Gorospe, Myriam
通讯作者:
Gorospe, Myriam
影响因子:
14.9
作者:
HAWKINS, JD
通讯作者:
HAWKINS, JD