Understanding the molecular evolution and diversity changes of begomoviruses is crucial for predicting future outbreaks of the begomovirus disease in tomato crops. Thus, a molecular diversity study using high-throughput sequencing (HTS) was carried out on samples of infected tomato leaves collected between 2003 and 2016 from Central Brazil. DNA samples were subjected to rolling circle amplification and pooled in three batches,

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During a survey in a tomato eld in Luziânia (Goiás State, Brazil), a plant showing mottling, chlorotic spots, and leaf distortion was found. A new bipartite begomovirus was found by Nanopore sequencing, and the full DNA-A sequence was con rmed by Sanger sequencing. The highest nucleotide identity match of this DNA-A genome (2596 bases) was 81.65% with tomato golden leaf deformation virus (HM357456).Due to the current species demarcation criterion of 91% of nucleotide identity (DNA-A), we propose it as a new member of the genus Begomovirus, named Tomato mottle leaf distortion virus.