Japanese Journal of Phytopathology
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
Mirafiori lettuce virus detected from lettuce with big vein symptoms in Japan
K.T. NATSUAKIT. MORIKAWAT. NATSUAKIS. OKUDA
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2002 Volume 68 Issue 3 Pages 309-312

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Abstract

From lettuce (Lactuca sativa L.) with big vein symptoms, two bands were detected by Western blot analysis using antisera to Tobacco stunt virus and Tulip mild mottle mosaic virus (As-TMMMV), respectively. One band reacted to antiserum to Mirafiori lettuce virus (MiLV) stronger than As-TMMMV. Unstable filamentous Ophiovirus-like particles (LBV-O) decorated with As-TMMMV in immunogold labeling were observed along with Lettuce big-vein virus-like rod-shaped particles in diseased plants. Manual inoculation with lettuce sap caused chlorotic local lesions in Chenopodium quinoa and systemic infection in lettuce. Along with LBVV, LBV-O was transmitted by Olpidium brassicae. LBV-O was identified as MiLV for the first time in Japan.

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© The Phytopathological Society of Japan
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