Abstract:
:MicroRNAs (miRNAs) are non-coding but functional RNA molecules of 21-25 nucleotides in length. MiRNAs play significant regulatory roles in diverse plant biological processes. In order to decipher the relationship between nbe-miR1919c-5p and the accumulations of tobacco curly shoot virus (TbCSV) and its betasatellite (TbCSB) DNAs, as well as viral symptom development, we investigated the function of nbe-miR1919c-5p during TbCSV and TbCSB co-infection in plants using a PVX-and a TRV-based short tandem target mimic (STTM) technology. Suppression of nbe-miR1919c-5p expression using these two technologies enhanced TbCSV and TbCSB co-infection-induced leaf curling symptoms in Nicotiana benthamiana plants. Furthermore, suppression of nbe-miR1919c-5p expression enhanced TbCSV and TbCSB DNA accumulations in the infected plants. Our results can advance our knowledge on the nbe-miR1919c-5p function during TbCSV and TbCSB co-infection.
journal_name
Virusesjournal_title
Virusesauthors
Du J,Wu R,Liu Z,Sun M,Ghanem H,Li M,Wu G,Qing Ldoi
10.3390/v12040392subject
Has Abstractpub_date
2020-04-01 00:00:00issue
4issn
1999-4915pii
v12040392journal_volume
12pub_type
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