Tomato yellow leaf curl virus infection in a monocotyledonous weed (Eleusine indica)

Eui Joon Kil, Hee Seong Byun, Hyunsik Hwang, Kyeong Yeoll Lee, Hong Soo Choi, Chang Seok Kim, Sukchan Lee

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Tomato yellow leaf curl virus (TYLCV) is one of the most important plant viruses belonging to the genus Begomovirus of the family Geminiviridae. To identify natural weed hosts that could act as reservoirs of TY-LCV, 100 samples were collected at a TYLCV-affected tomato farm in Iksan from 2013 to 2014. The sample weeds were identified as belonging to 40 species from 18 families. TYLCV was detected in 57 samples belonging to 28 species through polymerase chain reaction using root samples including five species (Eleusine indica, Digitaria ciliaris, Echinochloa crus-galli, Pani-cum dichotomiflorum, and Setaria faberi) from the family Poaceae. Whitefly Bemisia tabaci-mediated TYLCV transmission from TYLCV-infected E. indica plants to healthy tomatoes was confirmed, and inoculated tomatoes showed typical symptoms, such as leaf curling and yellowing. In addition, TYLCV was detected in leaf and root samples of E. indica plants inoculated by both whitefly-mediated transmission using TYLCV-virulif-erous whitefly and agro-inoculation using a TYLCV infectious clone. The majority of mastreviruses infect monocotyledonous plants, but there have also been reports of mastreviruses that can infect dicotyledonous plants, such as the chickpea chlorotic dwarf virus. No exception was reported among begomoviruses known as infecting dicots only. This is the first report of TY-LCV as a member of the genus Begomovirus infecting monocotyledonous plants.

Original languageEnglish
Pages (from-to)641-651
Number of pages11
JournalPlant Pathology Journal
Volume37
Issue number6
DOIs
StatePublished - Dec 2021

Keywords

  • Begomovirus
  • Bemisia tabaci
  • Geminiviridae
  • Monocotyledonous plant
  • Tomato yellow leaf curl virus

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