Abstract
Tomato plants grown in commercial greenhouses in Sonora, Mexico, developed either yellow mosaic, leaf curling, and stunting (phenotype 1; 20 to 35%) or chlorosis and a feathery appearance of leaves (phenotype 2; 15 to 25%) in December 1997 and again in October 1998. Polymerase chain reaction (PCR) with diagnostic primers (prAV324 and prAC889) that amplify an approximately 576-bp fragment of the coat protein (CP) gene of whitefly-transmitted geminiviruses indicated the presence of a begomovirus. Biolistic inoculation of tomato seedlings with RNase-treated extracts of three symptomatic tomato samples, each, resulted in reproduction of disease symptoms. With PCR primers prAV2644 and prAC1154 (1), the entire CP (approximately 776 bp) and its flanking sequences were amplified from extracts of symptomatic tomato, and amplicons were cloned and sequenced. Comparisons of a minimum of three CP gene sequences from each phenotype revealed the presence of at least two begomoviruses. The phenotype 1-associated CP gene shared 92.6, 86.2, and 85.3% identity with the CP sequence of chino del tomate (CdTV) [AF106936], tomato mottle, and abutilon mosaic geminiviruses, respectively. The CP sequence associated with phenotype 2 was 94.6, 77.1, and 77.1% identical to pepper hausteco (PHV) [X70418], bean golden mosaic-Guatemala (BGMV-GU), and Texas pepper (TPV) gem-iniviruses, respectively. Previously, CdTV was reported from tomato in Chiapas, Morelos, Sinaloa, and Tamaulipas, Mexico, while PHV has been identified in Guanajuato, Quintana Roo, Sinaloa, and Tamaulipas, Mexico, and in Texas (2). This is the first report of CdTV-like (>92% identity) and PHV-like (>94% identity) geminiviruses associated with greenhouse-grown tomatoes in Sonora, Mexico. References: (1) A. M. Idris and J. K. Brown. Phytopathology 88:648, 1998; (2) I. Torres-Pacheco et al. Phytopathology 86:1186, 1996.
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Claims 13
Claim · model-written summary
Greenhouse tomato showed yellow mosaic, leaf curling and stunting in 20 to 35%.
- Taxon
- Tomato
Solanum lycopersicume0 - Outcome
- yellow mosaic, leaf curling, and stuntinge0
- Value
- 20 to 35%e0
- Setting
- commercial greenhouses in Sonora, Mexicoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato plants grown in commercial greenhouses in Sonora, Mexico, developed either yellow mosaic, leaf curling, and stunting (phenotype 1; 20 to 35%)”
Claim · model-written summary
Greenhouse tomato showed chlorosis and feathery leaves in 15 to 25%.
- Taxon
- TomatoSolanum lycopersicume1
- Outcome
- chlorosis and a feathery appearance of leavese0
- Value
- 15 to 25%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“or chlorosis and a feathery appearance of leaves (phenotype 2; 15 to 25%)”
e1“Tomato plants grown in commercial greenhouses in Sonora, Mexico”
Claim · model-written summary
Diagnostic PCR indicated a begomovirus in symptomatic tomato.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- begomovirus
Begomoviruse0pathogen - Outcome
- presence of a begomoviruse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“indicated the presence of a begomovirus.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
Inoculation of tomato seedlings with symptomatic extracts reproduced disease symptoms.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Biolistic inoculation of tomato seedlings with RNase-treated extracts of three symptomatic tomato samplese0
- Outcome
- reproduction of disease symptomse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Biolistic inoculation of tomato seedlings with RNase-treated extracts of three symptomatic tomato samples, each, resulted in reproduction of disease symptoms.”
Claim · model-written summary
Coat protein sequences indicated at least two begomoviruses among the two tomato phenotypes.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- begomovirusesBegomoviruse0pathogen
- Gene
- CP genee0
- Outcome
- presence of at least two begomovirusese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Comparisons of a minimum of three CP gene sequences from each phenotype revealed the presence of at least two begomoviruses.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
The phenotype 1 CP gene had 92.6% identity to chino del tomate virus.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- chino del tomate (CdTV)Chino del tomate viruse0pathogen
- Gene
- CP genee0
- Outcome
- identity with the CP sequence of chino del tomate (CdTV)e0
- Value
- 92.6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phenotype 1-associated CP gene shared 92.6, 86.2, and 85.3% identity with the CP sequence of chino del tomate (CdTV) [AF106936], tomato mottle, and abutilon mosaic geminiviruses, respectively.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
The phenotype 1 CP gene had 86.2% identity to tomato mottle virus.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- tomato mottlee0pathogen
- Gene
- CP genee0
- Outcome
- identity with the CP sequence of chino del tomate (CdTV) [AF106936], tomato mottlee0
- Value
- 86.2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phenotype 1-associated CP gene shared 92.6, 86.2, and 85.3% identity with the CP sequence of chino del tomate (CdTV) [AF106936], tomato mottle, and abutilon mosaic geminiviruses, respectively.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
The phenotype 1 CP gene had 85.3% identity to abutilon mosaic geminivirus.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- abutilon mosaic geminivirusesBegomovirus baurie0pathogen
- Gene
- CP genee0
- Outcome
- identity with the CP sequence of chino del tomate (CdTV) [AF106936], tomato mottle, and abutilon mosaic geminivirusese0
- Value
- 85.3%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phenotype 1-associated CP gene shared 92.6, 86.2, and 85.3% identity with the CP sequence of chino del tomate (CdTV) [AF106936], tomato mottle, and abutilon mosaic geminiviruses, respectively.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
The phenotype 2 CP sequence was 94.6% identical to pepper hausteco virus.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- pepper hausteco (PHV)Orthohantavirus prospectensee0pathogen
- Gene
- CP sequencee0
- Outcome
- identical to pepper hausteco (PHV)e0
- Value
- 94.6e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CP sequence associated with phenotype 2 was 94.6, 77.1, and 77.1% identical to pepper hausteco (PHV) [X70418], bean golden mosaic-Guatemala (BGMV-GU), and Texas pepper (TPV) gem-iniviruses, respectively.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
The phenotype 2 CP sequence was 77.1% identical to bean golden mosaic-Guatemala virus.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- bean golden mosaic-Guatemala (BGMV-GU)e0pathogen
- Gene
- CP sequencee0
- Outcome
- identical to pepper hausteco (PHV) [X70418], bean golden mosaic-Guatemala (BGMV-GU)e0
- Value
- 77.1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CP sequence associated with phenotype 2 was 94.6, 77.1, and 77.1% identical to pepper hausteco (PHV) [X70418], bean golden mosaic-Guatemala (BGMV-GU), and Texas pepper (TPV) gem-iniviruses, respectively.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
The phenotype 2 CP sequence was 77.1% identical to Texas pepper virus.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- Texas pepper (TPV) gem-inivirusesPepper golden mosaic virus - [Mexico]e0pathogen
- Gene
- CP sequencee0
- Outcome
- identical to pepper hausteco (PHV) [X70418], bean golden mosaic-Guatemala (BGMV-GU), and Texas pepper (TPV) gem-inivirusese0
- Value
- 77.1%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CP sequence associated with phenotype 2 was 94.6, 77.1, and 77.1% identical to pepper hausteco (PHV) [X70418], bean golden mosaic-Guatemala (BGMV-GU), and Texas pepper (TPV) gem-iniviruses, respectively.”
e1“extracts of symptomatic tomato”
Claim · model-written summary
CdTV-like geminiviruses were reported with greenhouse tomato in Sonora for the first time.
- Taxon
- tomatoesSolanum lycopersicume0
- Interactor
- CdTV-likee0pathogen
- Outcome
- first report of CdTV-like (>92% identity)e0
- Setting
- Sonora, Mexicoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This is the first report of CdTV-like (>92% identity) and PHV-like (>94% identity) geminiviruses associated with greenhouse-grown tomatoes in Sonora, Mexico.”
Claim · model-written summary
PHV-like geminiviruses were reported with greenhouse tomato in Sonora for the first time.
- Taxon
- tomatoesSolanum lycopersicume0
- Interactor
- PHV-likee0pathogen
- Outcome
- PHV-like (>94% identity) geminiviruses associated with greenhouse-grown tomatoese0
- Setting
- Sonora, Mexicoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This is the first report of CdTV-like (>92% identity) and PHV-like (>94% identity) geminiviruses associated with greenhouse-grown tomatoes in Sonora, Mexico.”
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