Abstract

Tilletia horrida is the most destructive fungal pathogen of rice (Oryza sativa L.). The 20,105,270-bp draft genome sequence of T. horrida strain QB-1 is reported here. Genes encoding proteins associated with key virulence factors were predicted, and this can provide information for understanding the pathogenic mechanisms in T. horrida.

Highlights

  • Tilletia horrida is the most destructive fungal pathogen of rice (Oryza sativa L.)

  • T. horrida belongs to the Tilletia genus, Basidiomycotina Tilletiaceae subdivision

  • After the introduction of hybrid rice in the 1970s, the prevalence of rice kernel smut further increased in paddy-irrigated rice areas and seriously influenced yield of rice and seed quality

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Summary

Introduction

Tilletia horrida is the most destructive fungal pathogen of rice (Oryza sativa L.). The 20,105,270-bp draft genome sequence of T. horrida strain QB-1 is reported here. As the agent of the rice kernel smut, Tilletia horrida ( known as Neovossia horrida) is an important fungal pathogen of rice (Oryza sativa L.). It causes great yield losses in all ricegrowing regions of the world. The teliospores are widespread in the seeds of the host plant inside or outside and soil overwinter.

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