Molecular characterization of tomato leaf curl virus (ToLCV) in South Gujarat, India

The present study was conducted to characterize Leaf Curl Virus infecting tomato in south Gujarat region showing typical leaf curl symptom with upward/downward curling along with vein clearing of the leaves. A part of DNA-A molecule of ~1200 bp was amplified with a Begomovirus specific primers confirming it to be Begomovirus. On sequencing, a 1125 bp nucleotide sequence (Accession no- KU921251) was obtained. Amplified fragment had two genes viz., virus coat protein (V1) gene and pre coat protein (V2) gene. The sequenced virus showed highest identity (94%) with Tomato leaf curl Gujarat virus [Nepal] segment DNA A, [] followed by 93% sequence identity with thirteen different tomato Begomoviruses which were the strains/isolates of Tomato leaf curl Gujarat virus or Tomato leaf curl New Delhi virus []. The virus was named as Tomato leaf curl Gujarat virus [Nepal] [India:Nvs: LC:Tom:2016] and was abbreviated as ToLCGV [Nepal] [India:Nvs: LC:Tom:2016]. Phylogenetic analysis of the sequenced virus with the other Begomoviruses of the different crops from the different location indicated that the virus was typically a leaf curl virus. | Molecular characterization of tomato leaf curl virus ToLCV in South Gujarat India

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