Occurrence and distribution of geminiviruses in China

Li, Fangfang; Qiao, Rui; Wang, Zhanqi; Yang, Xiuling; Zhou, Xin

doi:10.1007/s11427-022-2125-2

Cited by 20 publications

(10 citation statements)

References 22 publications

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“…Since then, multiple TYLCV isolates have been reported in China. Based on the published articles and annotated sequences, 99 species of geminiviruses with over 1600 isolates in total had been isolated, identified, and characterized in China by the end of 2021 (Li et al 2022). Among them, TYLCV is the geminivirus with the highest number of isolates: 415 isolates with full-length nucleic acid sequences and distributed in most provinces of China have been identified so far (Table 1 and Additional file 1: Table S1), further demonstrating that this viral pathogen is a huge threat to agriculture because of its widespread incidence and tremendous rate of spread.…”

Section: Geographical Distributionmentioning

confidence: 99%

“…Therefore, it is expected that most TYLCV isolates are isolated and identified in these provinces. TYLCV is also present in provinces where geminivirus species are rare (Li et al 2022). For example, in Beijing, Shanxi, and Shaanxi, TYLCV is the dominant geminivirus species.…”

Section: Geographical Distributionmentioning

confidence: 99%

“…In addition, TYLCV can also combine with other viruses to form a disease complex, leading to enhanced symptoms on hosts. For example, the synergistic infection of TYLCV and tomato chlorosis virus (ToCV) results in a high disease severity index and causes dramatic losses (Li et al 2022).…”

Section: Host Plantsmentioning

confidence: 99%

“…In China, there are over 20 geminivirus species that can damage tomato in the field (Fig. 2) (Cui et al 2004;Li et al 2004Li et al , 2020Li et al , 2022Xie et al 2013a, b;Yan et al 2021). Interestingly, tomato yellow leaf curl China virus (TYLCCNV) is a typical monopartite geminivirus associated with a tomato yellow leaf curl China betasatellite (TYLCCNB) in the field (Cui et al 2004;Hu et al 2020).…”

Section: Host Plantsmentioning

confidence: 99%

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Occurrence, distribution, and management of tomato yellow leaf curl virus in China

Qiao

Yang

et al. 2022

Phytopathol Res

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Tomato yellow leaf curl virus (TYLCV), belonging to the genus Begomovirus in the family Geminiviridae, is the most damaging virus for global tomato production. This virus has become one of the most studied plant viral pathogens because of its huge economic importance. Since it was firstly identified in Shanghai, China, in 2006, it has been spread to most parts of the country. The widespread occurrence, rapid spread to new regions, and enormous damage to tomato production, makes it an important agricultural pathogen in China. TYLCV has been characterized extensively at the molecular level. This review is focused on the occurrence and distribution of all TYLCV isolates in China, providing valuable information for further epidemiological studies. In addition, management strategies for TYLCV are also proposed, with the ultimate goal to prevent and control the further occurrence of this viral disease.

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Section: Geographical Distributionmentioning

confidence: 99%

Section: Geographical Distributionmentioning

confidence: 99%

Section: Host Plantsmentioning

confidence: 99%

Section: Host Plantsmentioning

confidence: 99%

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Occurrence, distribution, and management of tomato yellow leaf curl virus in China

Qiao

Yang

et al. 2022

Phytopathol Res

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“…Monopartite begomoviruses have a single DNA component that contains six open reading frames, namely C1, C2, C3, and C4 on the complementary strand, and V1 and V2 on the virion strand. Some monopartite begomoviruses are frequently associated with a betasatellite that can enhance the virulence of their helper viruses [ 19 ]. As geminiviruses rely on their multi-functional proteins to tailor the environment of plant cell to facilitate their infection, geminiviral proteins are thus excellent molecular weapons that can be used to unravel the secrets of the antiviral arsenal of plants [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

WRKY1 represses the WHIRLY1 transcription factor to positively regulate plant defense against geminivirus infection

Sun

Zhou

et al. 2023

PLoS Pathog

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Geminiviruses constitute the largest group of known plant viruses and cause devastating diseases and economic losses in many crops worldwide. Due to limited naturally occurring resistance genes, understanding plant antiviral defense against geminiviruses is critical for finding host factors of geminiviruses and development of strategies for geminivirus control. Here we identified NbWRKY1 as a positive regulator of plant defense against geminivirus infection. Using tomato yellow leaf curl China virus/tomato yellow leaf curl China betasatellite (TYLCCNV/TYLCCNB) as a representative geminivirus, we found that NbWRKY1 was upregulated in response to TYLCCNV/TYLCCNB infection. Overexpression of NbWRKY1 attenuated TYLCCNV/TYLCCNB infection, whereas knockdown of NbWRKY1 enhanced plant susceptibility to TYLCCNV/TYLCCNB. We further revealed that NbWRKY1 bound to the promoter of the NbWHIRLY1 (NbWhy1) transcription factor and inhibited the transcription of NbWhy1. Consistently, NbWhy1 negatively regulates plant response against TYLCCNV/TYLCCNB. Overexpression of NbWhy1 significantly accelerated TYLCCNV/TYLCCNB infection. Conversely, knockdown of NbWhy1 led to impaired geminivirus infection. Furthermore, we demonstrated that NbWhy1 interfered with the antiviral RNAi defense and disrupted the interaction between calmodulin 3 and calmodulin-binding transcription activator-3. Moreover, the NbWRKY1-NbWhy1 also confers plant antiviral response toward tomato yellow leaf curl virus infection. Taken together, our findings suggest that NbWRKY1 positively regulates plant defense to geminivirus infection by repressing NbWhy1. We propose that the NbWRKY1-NbWhy1 cascade could be further employed to control geminiviruses.

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Geminivirus satellite-encoded βC1 activates UPR, induces bZIP60 nuclear export, and manipulates the expression of bZIP60 downstream genes to benefit virus infection

Zhang

Cao

Zhang

et al. 2022

Sci. China Life Sci.

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Occurrence and distribution of geminiviruses in China

Cited by 20 publications

References 22 publications

Occurrence, distribution, and management of tomato yellow leaf curl virus in China

Occurrence, distribution, and management of tomato yellow leaf curl virus in China

WRKY1 represses the WHIRLY1 transcription factor to positively regulate plant defense against geminivirus infection

Geminivirus satellite-encoded βC1 activates UPR, induces bZIP60 nuclear export, and manipulates the expression of bZIP60 downstream genes to benefit virus infection

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