Journal
PLANTS-BASEL
Volume 10, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/plants10010082
Keywords
dsRNA; siRNA; miRNA; lncRNA; amiRNA; tasiRNA; RNAi; CRISPR-Cas
Categories
Funding
- Government of the Russian Federation [14, W03.31.0003]
- Scottish Government Rural and Environmental Science and Analytical Services Division
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Non-coding RNAs have garnered attention as essential regulators in cellular processes and disease responses, with potential for engineering virus resistance against plant viruses using RNA interference and CRISPR-Cas technology. The main strategies for engineering virus resistance involve targeting viral DNA or RNA directly, or inactivating plant host susceptibility genes. Challenges must be addressed before these technologies can be widely utilized in crop protection against viruses.
In recent years, non-coding RNAs (ncRNAs) have gained unprecedented attention as new and crucial players in the regulation of numerous cellular processes and disease responses. In this review, we describe how diverse ncRNAs, including both small RNAs and long ncRNAs, may be used to engineer resistance against plant viruses. We discuss how double-stranded RNAs and small RNAs, such as artificial microRNAs and trans-acting small interfering RNAs, either produced in transgenic plants or delivered exogenously to non-transgenic plants, may constitute powerful RNA interference (RNAi)-based technology that can be exploited to control plant viruses. Additionally, we describe how RNA guided CRISPR-CAS gene-editing systems have been deployed to inhibit plant virus infections, and we provide a comparative analysis of RNAi approaches and CRISPR-Cas technology. The two main strategies for engineering virus resistance are also discussed, including direct targeting of viral DNA or RNA, or inactivation of plant host susceptibility genes. We also elaborate on the challenges that need to be overcome before such technologies can be broadly exploited for crop protection against viruses.
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