Association of tomato leaf curl Gujarat virus and tomato leaf curl Bangladesh betasatellite on papaya showing typical leaf curl symptoms in North India

Varun, Priyanka; Saxena, Sangeeta

doi:10.1007/s13205-018-1254-7

Cited by 7 publications

(4 citation statements)

References 20 publications

(23 reference statements)

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“…bipartite tomato leaf curl Palampur virus (ToLCPalV) and tomato leaf curl New Delhi virus (ToLCNDV), monopartite tomato leaf curl Kerala virus (ToLCKeV), tomato leaf curl Patna virus (ToLCPaV), tomato leaf curl Ranchi virus (ToLCRnV), tomato leaf curl Rajasthan virus (ToLCRaV), tomato leaf curl Pune virus (ToLCPV), tomato leaf curl Bangalore virus (ToLCBaV), tomato leaf curl Lucknow virus (ToLCLuV), tomato leaf curl Karnataka virus (ToLCKaV), tomato leaf curl Gujarat virus (ToLCGuV), and tomato leaf curl Joydebpur virus (ToLCJoV). The begomovirus, ToLCGuV, that exists in both mono and bipartite forms has been reported from Varanasi [73]. Both of these categories are common in India [74,75].…”

Section: Geographical Distributionmentioning

confidence: 99%

“…Due to the characteristic of an extended host range, controlling and reducing losses brought on by mixed begomoviral infection is challenging. To lessen agricultural losses brought on by begomoviruses, a long-term disease management strategy must be devised while the effects of begomovirus infection on commercially farmed crops like papaya must be continuously monitored [73].…”

Section: 4mentioning

confidence: 99%

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Leaf Curl Disease a Significant Constraint in the Production of Tomato: Impact, Challenges, and Management

Chintapalli¹,

Rayalcheruvu²

2022

Tomato - From Cultivation to Processing Technology

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Insect-borne plant viruses cause huge yield loss in the world’s most important crops. Understanding viral transmission mechanisms involves defining plant virus receptors inside their insect vectors. Tomato leaf curl virus (ToLCV) is the most devastating virus for worldwide tomato production. Understanding the biology of ToLCV and devising management techniques are critical in combating this global threat. Researchers are looking into using advanced technologies to detect plant viruses quickly and handle them properly for long-term agriculture. This review’s main goal is to highlight management solutions for effectively combating ToLCV outbreaks and worldwide spread. Resistance genes for plant viruses in agriculture have been identified using morphological, biochemical, and molecular markers from the ancient to the present era. Such techniques are extremely basic. Traditional virus identification methodologies should be integrated with current and advanced tools for efficient virus improvement in crops. This review’s main goal is to highlight management solutions for effectively combating ToLCV outbreaks and worldwide spread. For this aim, we focus on the impact of ToLCV on the world’s agriculture and the significance of recent advances in our comprehension of its interactions with its host and vector. Another important topic is the role of mutations and recombination in shaping the ToLCV genome’s evolution and regional distribution.

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Section: Geographical Distributionmentioning

confidence: 99%

Section: 4mentioning

confidence: 99%

Leaf Curl Disease a Significant Constraint in the Production of Tomato: Impact, Challenges, and Management

Chintapalli¹,

Rayalcheruvu²

2022

Tomato - From Cultivation to Processing Technology

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“…Besides, this IR contains a highly conserved unique nonanucleotide “TAATATTAC” with an origin of replication ( Figure 2 ). Moreover, OW monopartite viruses are mostly associated with betasatellite, which encodes an important βC1 protein ( Figure 2 ) at the complementary sense strand and plays an important role in transcriptional and post-transcriptional gene silencing, disease epidemics, and symptom induction ( Varun and Saxena, 2018 ), and can also affect the Jasmonic acid repressor gene ( Zhou, 2013 ). Thus, begomovirus together with betasatellite causes systemic infection and develops typical symptoms in plants ( Nawaz-ul-Rehman and Fauquet, 2009 ; Hanley-Bowdoin et al, 2013 ).…”

Section: Introductionmentioning

confidence: 99%

Evolutionary Dynamics of Begomoviruses and Its Satellites Infecting Papaya in India

et al. 2022

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The genus Begomovirus represents a group of multipartite viruses that significantly damage many agricultural crops, including papaya, and influence overall production. Papaya leaf curl disease (PaLCD) caused by the complex begomovirus species has several important implications and substantial losses in papaya production in many developing countries, including India. The increase in the number of begomovirus species poses a continuous threat to the overall production of papaya. Here, we attempted to map the genomic variation, mutation, evolution rate, and recombination to know the disease complexity and successful adaptation of PaLCD in India. For this, we retrieved 44 DNA-A and 26 betasatellite sequences from GenBank reported from India. An uneven distribution of evolutionary divergence has been observed using the maximum-likelihood algorithm across the branch length. Although there were phylogenetic differences, we found high rates of nucleotide substitution mutation in both viral and sub-viral genome datasets. We demonstrated frequent recombination of begomovirus species, with a maximum in intra-species recombinants. Furthermore, our results showed a high degree of genetic variability, demographic selection, and mean substitution rate acting on the population, supporting the emergence of a diverse and purifying selection of viruses and associated betasatellites. Moreover, variation in the genetic composition of all begomovirus datasets revealed a predominance of nucleotide diversity principally driven by mutation, which might further accelerate the advent of new strains and species and their adaption to various hosts with unique pathogenicity. Therefore, the finding of genetic variation and selection emphases on factors that contribute to the universal spread and evolution of Begomovirus and this unanticipated diversity may also provide guidelines toward future evolutionary trend analyses and the development of wide-ranging disease control strategies for begomoviruses associated with PaLCD.

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“…Papaya (Carica papaya) belonging to the Caricaceae family is a dicot woody plant, native to Mexico, America (Central and South) but now adapted in nearly all tropical regions. Different begomovirus species have been reported to infect papaya in Pakistan (Nadeem et al 1997), Taiwan (Chang et al 2003), China (Shen et al 2014), India (Saxena et al 1998, Sing-Pant et al 2012Varun and Saxena 2018;Nehra et al 2019), Nepal (Shahid et al 2013), Iran (Bananej et al 2016), Bangladesh (Hamim et al 2019) and Oman (Khan et al 2014). Similarly, association with betasatellites has also been reported in papaya leaf curl disease (PLCD), for example, papaya leaf curl betasatellite, croton yellow vein mosaic betasatellite (Singh-Pant et al 2012) and tomato leaf curl Java betasatellite (Shahid et al 2014).…”

mentioning

confidence: 99%

Association of cotton leaf curl Gezira virus with tomato leaf curl betasatellite infecting Carica papaya in Iran

Bananej

Shafiq

Shahid

2021

Australasian Plant Dis. Notes

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Papaya leaves exhibiting severe leaf curling and stunting symptoms were tested for the presence of begomovirus infection. The putative full-length cotton leaf curl Gezira virus (CLCuGV) and tomato leaf curl betasatellite (ToLCB) molecules were amplified, sequenced and analyzed. This is the first study providing the identification of CLCuGeV and ToLCB infecting papaya in Iran. Keywords Geminiviridae: begomovirus • Cotton leaf curl gezira virus • Tomato leaf curl betasatellite • Carica papaya Plant infecting viruses of the family Geminiviridae are consisting of circular, single-stranded DNA (ssDNA) molecules. Geminiviruses are currently divided into nine genera based on insect vector, genome organization and sequence similarities (Zerbini et al. 2017). Begomoviruses have genomes of either a DNA-A (monopartite) or DNA-A and DNA-B (bipartite). The genomes of monopartite begomoviruses are homologous to the DNA-A components of bipartite begomoviruses encodes Rep, TrAp, REn and AC4 protein products in the complementary-sense whereas, CP and AV2 in the virion-sense. The DNA-B component encodes nuclear shuttle protein (NSP) and movement protein (MP). Most monopartite begomoviruses reported from Asia, Europe, Middle East and Australia have been shown to be associated with betasatellite, which have no or little sequence identity with the helper virus (Briddon and Stanley 2006). The βC1 protein of betasatellites have been shown to be involved in symptom determinant, overcoming RNA silencing-based host defenses and movement function. In many cases betasatellites enhance the symptoms of their helper viruses to plants raising viral DNA levels and extending host range (Briddon et al. 2000;

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Association of tomato leaf curl Gujarat virus and tomato leaf curl Bangladesh betasatellite on papaya showing typical leaf curl symptoms in North India

Cited by 7 publications

References 20 publications

Leaf Curl Disease a Significant Constraint in the Production of Tomato: Impact, Challenges, and Management

Leaf Curl Disease a Significant Constraint in the Production of Tomato: Impact, Challenges, and Management

Evolutionary Dynamics of Begomoviruses and Its Satellites Infecting Papaya in India

Association of cotton leaf curl Gezira virus with tomato leaf curl betasatellite infecting Carica papaya in Iran

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