THE 5' END GENERATED IN THE INVITRO SELF-CLEAVAGE REACTION OF AVOCADO SUNBLOTCH VIROID RNAS IS PRESENT IN NATURALLY-OCCURRING LINEAR VIROID MOLECULES

被引:8
作者
MARCOS, JF [1 ]
FLORES, R [1 ]
机构
[1] CSIC,INST AGROQUIM & TECNOL ALIMENTOS,UNIDAD BIOL MOLEC & CELULAR PLANTAS,JAIME ROIG 11,E-46010 VALENCIA,SPAIN
关键词
D O I
10.1099/0022-1317-74-5-907
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The 5' termini of linear forms of avocado sunblotch viroid (ASBVd) isolated from infected tissue have been determined by primer extension analyses. According to the different termini identified, four main populations of linear viroid molecules were found. One of them had the same 5' end as the one produced in the in vitro self-cleavage reaction of ASBVd dimeric transcripts mediated by a hammerhead structure, suggesting a possible involvement of this in vitro reaction in the in vivo replication mechanism of ASBVd.
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页码:907 / 910
页数:4
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