Analysis of Coconut cadang-cadang viroid variants on field samples exhibiting variation in orange spotting symptom expression and severity.
Coconut cadang-cadang viroid
Morphology
Oil palm
Symptoms
Journal
Molecular biology reports
ISSN: 1573-4978
Titre abrégé: Mol Biol Rep
Pays: Netherlands
ID NLM: 0403234
Informations de publication
Date de publication:
Nov 2023
Nov 2023
Historique:
received:
15
06
2023
accepted:
18
08
2023
medline:
10
11
2023
pubmed:
7
9
2023
entrez:
7
9
2023
Statut:
ppublish
Résumé
Sequence variation has been attributed to symptom variations but has not been investigated in Orange Spotting-Coconut cadang-cadang viroid (OS-CCCVd) infected palms. Likewise, the relationship between Coconut cadang-cadang viroid (CCCVd) variants, Orange Spotting (OS) severity and the accumulation of the viroid in the palms have not been elucidated. This paper describes the characterization of CCCVd variants by cloning and sequencing, followed by correlation with symptom expression. Total nucleic acids were extracted from leaf samples harvested from frond 20 of seven Dura × Pisifera (D × P) African oil palm (Elaeis guineensis Jacq.) aged between 13 and 21 years old collected from local plantations. The nucleic acids were fractionated using 5% non-denaturing polyacrylamide gel electrophoresis (PAGE) before being subjected to detection by reverse transcribed polymerase chain reaction (RT-PCR). The PCR products were cloned into a plasmid vector and the sequence of the clones was analyzed. CCCVd variants were quantified using real-time qPCR assay with CCCVd specific primers. Sixteen randomly selected clones of (OP The OS symptoms observed in the field were characterized into three categories based on the size and morphology of the orange spots on the affected fronds. In addition, there was no direct correlation between disease severity and the accumulation of CCCVd variants in oil palm. This finding is the first report describing the sequence variation of the CCCVd RNA and symptom variation in OS oil palm field samples.
Sections du résumé
BACKGROUND
BACKGROUND
Sequence variation has been attributed to symptom variations but has not been investigated in Orange Spotting-Coconut cadang-cadang viroid (OS-CCCVd) infected palms. Likewise, the relationship between Coconut cadang-cadang viroid (CCCVd) variants, Orange Spotting (OS) severity and the accumulation of the viroid in the palms have not been elucidated. This paper describes the characterization of CCCVd variants by cloning and sequencing, followed by correlation with symptom expression.
METHODS AND RESULTS
RESULTS
Total nucleic acids were extracted from leaf samples harvested from frond 20 of seven Dura × Pisifera (D × P) African oil palm (Elaeis guineensis Jacq.) aged between 13 and 21 years old collected from local plantations. The nucleic acids were fractionated using 5% non-denaturing polyacrylamide gel electrophoresis (PAGE) before being subjected to detection by reverse transcribed polymerase chain reaction (RT-PCR). The PCR products were cloned into a plasmid vector and the sequence of the clones was analyzed. CCCVd variants were quantified using real-time qPCR assay with CCCVd specific primers. Sixteen randomly selected clones of (OP
CONCLUSION
CONCLUSIONS
The OS symptoms observed in the field were characterized into three categories based on the size and morphology of the orange spots on the affected fronds. In addition, there was no direct correlation between disease severity and the accumulation of CCCVd variants in oil palm. This finding is the first report describing the sequence variation of the CCCVd RNA and symptom variation in OS oil palm field samples.
Identifiants
pubmed: 37676433
doi: 10.1007/s11033-023-08771-0
pii: 10.1007/s11033-023-08771-0
doi:
Substances chimiques
RNA, Viral
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
9699-9705Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer Nature B.V.
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