Establishment of five new genera in the family Geminiviridae: Citlodavirus, Maldovirus, Mulcrilevirus, Opunvirus, and Topilevirus

Filloux, Denis; Lett, Jean‐Michel; Fiallo‐Olivé, Elvira; Navas‐Castillo, Jesús; Zerbini, F. Murilo; Martin, Darren P.; Varsani, Arvind

doi:10.1007/s00705-021-05309-2

Cited by 58 publications

(42 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A BLASTn search of the complete genome sequence of SbSGSV confirmed its geminiviral origin and its strongest resemblance to soybean yellow dwarf-associated geminivirus strain HN (MT221447.1, 99.42% identity) and soybean geminivirus A isolate King (MH428829.1, 98.81% identity) (Figure 5c). A Neighbour-Joining tree inferred from the aligned complete genome sequences of representative isolates from the various geminivirus genera suggests that SbSGSV does not cluster with geminiviruses belonging to any of the 14 established genera (Roumagnac et al, 2021) (Figure 5c). Moreover, recombination analysis revealed a possible recombination event in the complete genome of SbSGSV (Figure 5d).…”

Section: Sgs Results In Seed Microbiota Dysbiosismentioning

confidence: 99%

“…In this study, we identified a geminivirus that was strongly associated with the incidence of soybean SGS, regardless of plant cultivar, sampling location, or harvest year, which we tentatively named SbSGSV. Geminiviruses are among the most devastating plant pathogens worldwide (Roumagnac et al ., 2021). The documented geminiviruses that attack soybean include mung bean yellow mosaic virus (MYMV) (Malathi and John, 2008), soybean crinkle leaf virus (SCLV) (Iwaki et al ., 1983), soybean mild mottle virus (SbMMV) and soybean chlorotic blotch virus (SbCBV) (Alabi et al ., 2010), soybean blistering mosaic virus (SbBMV) (unpublished), and soybean yellow leaf curl virus (SbYLCV) (Du et al ., 2022); all of these viruses belong to the genus Begomovirus of the family Geminiviridae.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Wang

et al. 2022

Plant Biotechnology Journal

View full text Add to dashboard Cite

Microbiota colonize every accessible plant tissue and play fundamental roles in plant growth and health. Soybean stay-green syndrome (SGS), a condition that causes delayed leaf senescence (stay-green), flat pods and abnormal seeds of soybean, has become the most serious disease of soybean in China. However, the direct cause of SGS is highly debated, and little is known about how SGS affect soybean microbiome dynamics, particularly the seed microbiome. We studied the bacterial, fungal, and viral communities associated with different soybean tissues with and without SGS using a multi-omics approach, and investigated the possible pathogenic agents associated with SGS and how SGS affects the assembly and functions of plant-associated microbiomes. We obtained a comprehensive view of the composition, function, loads, diversity, and dynamics of soybean microbiomes in the rhizosphere, root, stem, leaf, pod, and seed compartments, and discovered that soybean SGS was associated with dramatically increased microbial loads and dysbiosis of the bacterial microbiota in seeds. Furthermore, we identified a novel geminivirus that was strongly associated with soybean SGS, regardless of plant cultivar, sampling location, or harvest year. This whole-plant microbiome profiling of soybean provides the first demonstration of geminivirus infection associated with microbiota dysbiosis, which might represent a general microbiological symptom of plant diseases.

show abstract

Section: Sgs Results In Seed Microbiota Dysbiosismentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Wang

et al. 2022

Plant Biotechnology Journal

View full text Add to dashboard Cite

show abstract

“…The study on the population structure of CCDaV presented in this paper did not only enrich our understanding of the evolution of plant DNA viruses but also gave early insight into members of Citlodavirus, a newly established genus within the family Geminiviridae (Roumagnac et al, 2021). Even though CCDaV has been better studied than other citlodaviruses, the research on the virus is still in need of further advancement than the phylogenetic stage.…”

Section: Discussionmentioning

confidence: 87%

First Insight into Genetic Variation and Population Structure of The Emerging Citrus chlorotic dwarf-associated virus (CCDaV, genus Citlodavirus)

ZELYÜT

SANTOSA

Karanfil

et al. 2022

Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi

View full text Add to dashboard Cite

Citrus spp. is widely planted in tropical and subtropical regions, including in Turkey and other Mediterranean countries. Due to its widespread vector and climate change, Citrus chlorotic dwarf-associated virus (CCDaV), a member of the newly formed genus Citlodavirus, is one of the emerging viruses that can be a serious constraint to Citrus crops production in the coming years. Therefore, in-silico analysis on all available isolates in NCBI GenBank was performed to provide the first insight into the genetic population and evolution of CCDaV, which may contribute to its control. CCDaV phylogroups based on full genome, complete movement protein, and complete coat protein sequences were found to be not associated with isolate origins or host species, and all isolates also shared a high genetic identity among them. However, neutrality tests indicated that the current populations are expanding, driven by new mutations. Low Fixation index (FST) values (0.00000-0.36207) confirmed no genetic separation among different ORFs of isolates from three countries. The constructed TimeTree suggested that CCDaV emergence was very recent compared to the other three members of the genus Citlodavirus. Therefore, the obtained results of this study could also expand our knowledge on other even more obscure citladovirus and even other plant DNA viruses, which are still less studied than RNA viruses.

show abstract

“…According to the recent report of International Committee on Taxonomy of Viruses (ICTV), the Geminiviridae family constitutes of nine genera embracing >360 species. Moreover, recent metagenomic studies have led to the establishment of five new genera under the family Geminiviridae (Citlodavirus, Maldovirus, Mulcrilevirus, Opunvirus, and Topilevirus [ 6 ]. Viruses in the genera Becurtovirus, Capulavirus, Curtovirus, Eragrovirus, Grablovirus, Mastrevirus, Topocuvirus and Turncurtovirus have monopartite genomes, whereas those in the genus Begomovirus have mono- or bipartite genomes [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Copy number variation of two begomovirus acquired and inoculated by different cryptic species of whitefly, Bemisia tabaci in Okra

Barman¹,

Samanta²,

Chakraborty

et al. 2022

PLoS ONE

View full text Add to dashboard Cite

The whitefly, B.tabaci is a major pest of agricultural crops which transmits begomovirus in a species-specific manner. Yellow vein mosaic disease (YVMD) and okra leaf curl disease (OLCD) caused by distinct begomovirus are a major limitation to production of okra in India. In this framework the present investigation reports, for the first time, comparative study of begomovirus species viz. yellow vein mosaic virus (YVMV) and okra enation leaf curl virus (OELCuV) ingested and egested by two cryptic species (Asia I and Asia II 5) of B.tabaci at different time interval using detached leaf assay. A gradual increase of both virus copies were observed with increased feeding exposure in Asia I and Asia II 5. Both the genetic groups of whitefly could acquire the viruses within just 5 minutes of active feeding however, a significant amount of variation was noted in virus uptake by the both. At 24 hours of active feeding Asia II 5 acquired more of YVMV whereas, Asia I ingested more OELCuV. Similarly, the genetic group acquiring higher titre of virus egested higher amount during inoculation period. On the whole, it can be presumed that Asia I is a more effective transmitter of OELCuV whereas, Asia II 5 of YVMV further suggesting increased risk of virus pandemics (both YVMV and OELCuV) in regions where Asia I and Asia II 5 is dominant.

show abstract

Establishment of five new genera in the family Geminiviridae: Citlodavirus, Maldovirus, Mulcrilevirus, Opunvirus, and Topilevirus

Cited by 58 publications

References 42 publications

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

First Insight into Genetic Variation and Population Structure of The Emerging Citrus chlorotic dwarf-associated virus (CCDaV, genus Citlodavirus)

Copy number variation of two begomovirus acquired and inoculated by different cryptic species of whitefly, Bemisia tabaci in Okra

Contact Info

Product

Resources

About