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

被引：9

作者：

Quito-Avila, Diego F. ^{[1
,2
]}

Reyes-Proano, Edison G. ^{[1
]}

Mendoza, Alma ^{[3
]}

Margaria, Paolo ^{[4
]}

Menzel, Wulf ^{[4
]}

Bera, Sayanta ^{[5
]}

Simon, Anne E. ^{[5
]}

机构：

[1] Escuela Super Politecn Litoral, ESPOL, Fac Ciencias Vida, Km 30-5 Via Perimetral,Campus Gustavo Galindo, Guayaquil, Ecuador

[2] Escuela Super Politecn Litoral, CIBE, Ctr Invest Biotecnol Ecuador, Km 30-5 Via Perimetral,Campus Gustavo Galindo, Guayaquil, Ecuador

[3] INIAP, Estn Expt Portoviejo, Km 12,Via Santa Ana, Manabi, Ecuador

[4] Leibniz Inst DSMZ German Collect Microorganisms &, Plant Virus Dept, Inhoffenstr 7 B, Braunschweig, Germany

[5] Univ Maryland, Dept Cell Biol & Mol Genet, College Pk, MD 20742 USA

来源：

ARCHIVES OF VIROLOGY | 2022年 / 167卷 / 10期

基金：

欧盟地平线“2020”; 美国国家科学基金会;

关键词：

VIRUS;

D O I：

10.1007/s00705-022-05525-4

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

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 3,025 nucleotides, respectively, and contain four open reading frames (ORFs). Their genome sequences were 58% identical to each other and 28 to 60% identical to the most closely related viruses. Phylogenetic analysis using full genome sequences and amino acid sequence of the RNA-dependent-RNA polymerase (RdRp) placed both sequences in a clade sharing the most recent common ancestor with ulaRNAs from sugarcane and maize, suggesting that they belong to a monophyletic grass-infecting lineage. Their terminal regions exhibit features common to umbraviruses and ulaRNAs.

引用

页码：2093 / 2098

页数：6

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