scholarly journals Oxylipin Biosynthesis Genes Positively Regulate Programmed Cell Death during Compatible Infections with the Synergistic Pair Potato Virus X-Potato Virus Y and Tomato Spotted Wilt Virus

2013 ◽  
Vol 87 (10) ◽  
pp. 5769-5783 ◽  
Author(s):  
A. Garcia-Marcos ◽  
R. Pacheco ◽  
A. Manzano ◽  
E. Aguilar ◽  
F. Tenllado
Keyword(s):  
Cell Death ◽  
Programmed Cell Death ◽  
Potato Virus ◽  
Tomato Spotted Wilt Virus ◽  
Potato Virus Y ◽  
Potato Virus X ◽  
Tomato Spotted Wilt ◽  
Wilt Virus

scholarly journals Resistance Response of the Recently Discovered Species Nicotiana mutabilis to Potato virus Y (PVY) and Tomato spotted wilt virus (TSWV) Compared to Other Sources of Resistance

Agronomy ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1617
Author(s):  
Anna Depta ◽  
Teresa Doroszewska ◽  
Anna Czubacka
Keyword(s):  
Potato Virus ◽  
Tomato Spotted Wilt Virus ◽  
Potato Virus Y ◽  
Susceptibility Gene ◽  
Systemic Infection ◽  
Sources Of Resistance ◽  
Resistance Response ◽  
Tomato Spotted Wilt ◽  
Wilt Virus ◽  
Das Elisa

Nicotiana mutabilis is a recently discovered species within the genus Nicotiana. The aim of the present study was to evaluate its resistance to Potato virus Y (PVY) and Tomato spotted wilt virus (TSWV). Molecular analysis was performed to detect the Va gene determining susceptibility to PVY and the SCAR marker associated with resistance to TSWV. Resistance tests were carried out under greenhouse conditions through artificial inoculation with one TSWV and two PVY isolates. In order to confirm the presence of the viruses in plants, DAS-ELISA tests were performed using antibodies against PVY and TSWV. The results indicated the absence of the PVY susceptibility gene and the presence of the TSWV resistance gene in the genome of N. mutabilis. This species was considered tolerant to the two PVY isolates tested because, despite the positive DAS-ELISA results, the infected plants showed vein clearing and chlorotic spots but no vein necrosis. As a result of TSWV inoculation, N. mutabilis showed a hypersensitive response; however, after four months, 30% of the inoculated plants showed systemic infection. This species extends the genetic variation in the genus Nicotiana and, because of its tolerance to PVY and partial resistance to TSWV, it may be a potential source of resistance to these viruses.

The N protein of Tomato spotted wilt virus (TSWV) is associated with the induction of programmed cell death (PCD) in Capsicum chinense plants, a hypersensitive host to TSWV infection

2008 ◽  
Vol 137 (2) ◽  
pp. 245-252 ◽  
Author(s):  
Fernanda Antinolfi Lovato ◽  
Alice Kazuko Inoue-Nagata ◽  
Tatsuya Nagata ◽  
Antônio Carlos de Ávila ◽  
Luiz Alfredo Rodrigues Pereira ◽  
...  
Keyword(s):  
Cell Death ◽  
Programmed Cell Death ◽  
Tomato Spotted Wilt Virus ◽  
Capsicum Chinense ◽  
N Protein ◽  
Tomato Spotted Wilt ◽  
Wilt Virus

scholarly journals Incidence of viruses infecting pepper in Thailand

2019 ◽  
Vol 10 (1) ◽  
pp. 184-193
Author(s):  
Amisa Laprom ◽  
Somrudee Nilthong ◽  
Ekachai Chukeatirote
Keyword(s):  
Mosaic Virus ◽  
Mixed Infection ◽  
Tomato Spotted Wilt Virus ◽  
Potato Virus Y ◽  
Enzyme Linked Immunosorbent Assay ◽  
Mixed Infections ◽  
The North ◽  
Tomato Spotted Wilt ◽  
Wilt Virus ◽  
Chilli Veinal Mottle Virus

AbstractThis study was conducted to determine the incidence, diversity and distribution of viruses infecting pepper (Capsicum spp.) in the central, northern and northeastern parts of Thailand. During a survey in 2016 - 2019, a total of 2,149 leaf samples from symptomatic and asymptomatic peppers were collected randomly from farmer’s fields, and preliminary tested by an enzyme-linked immunosorbent assay (ELISA) using 7 antibodies specific for cucumber mosaic virus (CMV), chilli veinal mottle virus (ChiVMV), tomato necrotic ringspot virus (TNRV), tobacco mosaic virus (TMV), potato virus Y (PVY), tomato spotted wilt virus (TSWV), and begomoviruses. Our data revealed that the incidence of the viruses infecting pepper in Thailand was high, accounting for nearly 70% (1,482 infected samples). The highest viral incidence was found in the central part (96%), followed by the north (74.4%) and the northeastern (52.8%), respectively. Begomoviruses, CMV, ChiVMV, and TNRV were detected in the samples at varying rates, whereas PVY, TMV, and TSWV were not detected. Of these, the most frequently found virus was Begomoviruses accounting for nearly 33%, with the highest rate (ca. 82%) in the central Provinces of Thailand. In addition, of the 1,482 infected samples, mixed infections among the four viruses were also found in 616 samples (ca. 42%), and CMV + ChiVMV (approximately 11%) was the most common mixed infection. This is the first report describing an occurrence of viruses in pepper of Thailand, and the results obtained have revealed that viruses infecting pepper are widespread, which may pose a threat to pepper production in Thailand.

scholarly journals Erigeron bonariensis: hospedeira alternativa do Lettuce mosaic virus no Brasil

2003 ◽  
Vol 28 (3) ◽  
pp. 307-311 ◽  
Author(s):  
Alexandre L. R. Chaves ◽  
Marina R. Braun ◽  
Marcelo Eiras ◽  
Addolorata Colariccio ◽  
Silvia R. Galleti
Keyword(s):  
Mosaic Virus ◽  
Lactuca Sativa ◽  
Nicotiana Benthamiana ◽  
Tomato Spotted Wilt Virus ◽  
Potato Virus Y ◽  
Turnip Mosaic Virus ◽  
Lettuce Mosaic Virus ◽  
Chenopodium Amaranticolor ◽  
Tomato Spotted Wilt ◽  
Wilt Virus

O gênero Erigeron (Asteraceae), de plantas da vegetação espontânea, encontra-se amplamente disseminado nas regiões Sul e Sudeste do Brasil, sendo freqüentemente encontrado em lavouras perenes e anuais. Plantas de E. bonariensis com sintoma de mosaico, típico do induzido por vírus, foram coletadas no município de São Paulo e submetidas a análises ao microscópio eletrônico de transmissão, testes biológicos, sorológicos e moleculares. Em cortes ultrafinos do tecido foliar original, observaram-se inclusões tubulares e cata-ventos dispersos no citoplasma. Através de inoculação mecânica, somente Chenopodium amaranticolor, C. quinoa, Nicotiana benthamiana e N. clevelandii foram infetadas. Os resultados obtidos em ELISA foram negativos quando se utilizaram antissoros contra o Turnip mosaic vírus (TuMV) e diferentes estirpes do Potato virus Y (PVY), constatando-se relacionamento sorológico com o Lettuce mosaic virus (LMV). Com a utilização de oligonucleotídeos específicos para LMV amplificaram-se fragmentos esperados de aproximadamente 280 pb, que seqüênciados confirmaram a identidade do vírus. A ocorrência do LMV em E. bonariensis, gênero da mesma família botânica da alface (Lactuca sativa), é de grande importância, pois talvez possa atuar como reservatório para infecção de campos de produção de alface. Este é o primeiro relato, no Brasil, de vírus infetando Erigeron sp., o qual só havia sido reportado como hospedeira natural do Bidens mottle virus (BiMoV) e do Tomato spotted wilt virus (TSWV) nos Estados Unidos.

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