Umbravirus-like RNA viruses are capable of independent systemic plant infection in the absence of encoded movement proteins

X Ying, S Bera, J Liu, R Toscano-Morales, C Jang… - Plos …, 2024 - journals.plos.org
The signature feature of all plant viruses is the encoding of movement proteins (MPs) that
supports the movement of the viral genome into adjacent cells and through the vascular …

Dimerization of an umbravirus RNA genome activates subgenomic mRNA transcription

T Chkuaseli, KA White - Nucleic Acids Research, 2023 - academic.oup.com
Many eukaryotic RNA viruses transcribe subgenomic (sg) mRNAs during infections to
control expression of a subset of viral genes. Such transcriptional events are commonly …

-1 Programmed ribosomal frameshifting in Class 2 umbravirus-like RNAs uses multiple long-distance interactions to shift between active and inactive structures and …

AA Mikkelsen, F Gao, E Carino, S Bera… - Nucleic Acids …, 2023 - academic.oup.com
Plus-strand RNA viruses frequently employ-1 programmed ribosomal frameshifting (-1 PRF)
to maximize their coding capacity. Ribosomes can frameshift at a slippery sequence if …

Papaya Sticky Disease Caused by Virus “Couples”: A Challenge for Disease Detection and Management

DF Quito-Avila, E Reyes-Proaño, G Cañada… - Plant …, 2023 - Am Phytopath Society
Papaya sticky disease (PSD) is a major virus disorder of papaya (Carica papaya). The
disease is characterized by fruit damage caused by the oxidation of spontaneously exuded …

Grapevine Virome of the Don Ampelographic Collection in Russia Has Concealed Five Novel Viruses

D Belkina, D Karpova, E Porotikova, I Lifanov… - Viruses, 2023 - mdpi.com
In this study, an analysis of the virome of 51 grapevines from the Don ampelographic
collection named after Ya. I. Potapenko (Russia) was performed using high-throughput …

Molecular characterization of a novel umbra-like virus from Thuja orientalis (arborvitae) in South Korea

MT Belete, SE Kim, JA Kwon, D Igori, EK Choi… - Archives of …, 2023 - Springer
A novel umbra-like virus was identified in arborvitae in South Korea using RNA sequencing
(RNA-seq). The virus identified was tentatively named" arborvitae umbra-like virus"(AULV) …

Two new umbravirus-like associated RNAs (ulaRNAs) discovered in maize and johnsongrass from Ecuador

DF Quito-Avila, EG Reyes-Proaño, A Mendoza… - Archives of …, 2022 - Springer
Two new umbravirus-like associated RNAs (ulaRNAs) were found, respectively, in maize
and Johnsongrass samples from Ecuador. The complete sequences consist of 3,053 and …

Identification and characterization of a novel umbra-like virus, strawberry virus A, infecting strawberry plants

I Koloniuk, J Přibylová, R Čmejla, L Valentová… - Plants, 2022 - mdpi.com
A novel RNA virus infecting strawberry plants was discovered using high-throughput
sequencing. The analyzed plant was simultaneously infected with three different genetic …

Characterization of Divergent Grapevine Badnavirus 1 Isolates Found on Different Fig Species (Ficus spp.)

S Chirkov, A Sheveleva, S Tsygankova, F Sharko… - Plants, 2022 - mdpi.com
Fig mosaic disease is spread worldwide and is believed to have a viral etiology. Divergent
isolates of grapevine badnavirus 1 (GBV1), named fGBV1, were discovered on Ficus carica …

Identification of Novel 5′ and 3′ translation enhancers in umbravirus-like coat protein-deficient RNA replicons

J Liu, AE Simon - Journal of Virology, 2022 - Am Soc Microbiol
Translation of plant plus-strand RNA viral genomes that lack a 5′ cap frequently requires
the use of cap-independent translation enhancers (CITEs) located in or near the 3 …