The mitochondrial genome of Ophiostoma himal-ulmi and comparison with other fungi causing Dutch elm disease.

Alvan Wai, Georg Hausner

Canadian journal of microbiology 2021 Aug

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The mitochondrial genome of Ophiostoma himal-ulmi, a species endemic to the Western Himalayas and one of the fungi that cause Dutch elm disease, has been sequenced and characterized. The mitochondrial genome was compared with other available genomes for members of the Ophiostomatales, including other agents of Dutch elm disease (Ophiostoma ulmi, Ophiostoma novo-ulmi subspecies novo-ulmi, and Ophiostoma novo-ulmi subspecies americana), and it was observed that gene synteny is highly conserved, and variability among members of the fungi that cause Dutch-elm disease is primarily due to the number of intron insertions. Among the fungi that cause Dutch elm disease that we examined, O. himal-ulmi has the largest mitochondrial genomes (ranging from 94 934 to 111 712 bp), owing to the expansion of the number of introns.

Citation

Alvan Wai, Georg Hausner. The mitochondrial genome of Ophiostoma himal-ulmi and comparison with other fungi causing Dutch elm disease. Canadian journal of microbiology. 2021 Aug;67(8):584-598