April 21, 2020  |  

Draft genome sequence resource of switchgrass rust pathogen, Puccinia novopanici isolate Ard-01.

Authors: Gill, Upinder S and Nandety, Raja Sekhar and Krom, Nick D and Dai, Xinbin and Zhuang, Zhaohong and Tang, Yuhong and Zhao, Patrick and Mysore, Kirankumar S

Puccinia novopanici is an important biotrophic fungal pathogen that causes rust disease in switchgrass. Lack of genomic resources for P. novopanici has hampered the progress towards developing effective disease resistance against this pathogen. Therefore, we have sequenced the whole genome of P. novopanici and generated a framework to understand pathogenicity mechanisms, identify effectors, repeat element invasion, genome evolution, and comparative genomics among Puccinia species in the future. Long and short read sequences were generated from P. novopanici genomic DNA by PacBio and Illumina technologies, respectively, and assembled a 99.9 megabase (Mb) genome. Transcripts of P. novopanici were predicted from assembled genome using MAKER and were further validated by RNAseq data. The genome sequence information of P. novopanici will be a valuable resource for researchers working on monocot rusts and plant disease resistance in general.

Journal: Phytopathology
DOI: 10.1094/PHYTO-04-19-0118-A
Year: 2019

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