Characterization of the Cucumber Mosaic Virus Isolated from Gomphrena globosa

Dongjoo Min; Jisu Kim; Chaemin Shin; Youseop Shin; Jin-Sung Hong

doi:10.22698/jales.20260024

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2026 Vol.38, Issue 3 Preview Page Next Page

Research Article

Characterization of the Cucumber Mosaic Virus Isolated from Gomphrena globosa

30 September 2026. pp. 345-352

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Abstract

^{Gomphrena globosa} is widely utilized as an experimental host for assessing the pathogenicity and host range of plant viruses. However, studies on naturally occurring viral infections in this species remain scarce. In this study, cucumber mosaic virus (CMV) was detected in two G. globosa plants exhibiting mosaic symptoms collected from different locations in Chuncheon, Gangwon Province, Korea. The biological and molecular characteristics of the two isolates, designated CMV-GomCC1 and CMV-GomCC2, were examined. Reverse transcriptase-polymerase chain reaction (RT-PCR) and sequence analyses confirmed CMV infection in both samples. Host response analysis revealed that the two isolates induced symptoms similar to those caused by the reference isolate CMV-Fny in most tested host plants. However, distinct symptom responses were noted in cucumber (Cucumis sativus): CMV-Fny induced typical mosaic symptoms, CMV-GomCC1 caused mild mosaic symptoms, and CMV-GomCC2 caused symptomless infection, as confirmed via RT-PCR. Phylogenetic analyses based on the amino acid sequences of the movement protein (MP) and coat protein (CP) revealed that both isolates belonged to the CMV subgroup I. Additionally, CP amino acid sequence alignment demonstrated a high degree of sequence conservation among the CMV isolates derived from G. globosa. These findings provide fundamental information on the biological and molecular characteristics of the CMV isolates infecting G. globosa.

Keywords

Coat protein

Cucumber mosaic virus

Gomphrena globosa

Host response

Phylogenetic analysis

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Information

Publisher :Agriculture and Life Sciences Research Institute, Kangwon National University
Publisher(Ko) :None
Journal Title :Journal of Agricultural, Life and Environmental Sciences
Volume : 38
No :3
Pages :345-352
Received Date : 2026-08-05
Revised Date : 2026-08-24
Accepted Date : 2026-08-24
DOI :https://doi.org/10.22698/jales.20260024

Journal of Agricultural, Life and Environmental Sciences ISSN:2233-8322(Print) 2508-870X(Online)

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