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Abstract
The complete mitochondrial genome of the nematophagous fungus Acremonium implicatum is reported for the first time. The genome is concatenated with 22,367 bp in length, encoding 13 protein-coding genes, 2 ribosomal RNA genes and a set of 17 transfer RNA genes. The synteny analysis reveals that 50.35% of A. implicatum mitochondrial sequences matched to 48.21% of Acremonium chrysogenum mitochondrial sequences with 85.68% identity. Two proteins of cox3 and nad6, as well as seven tRNAs are lost in A. implicatum mitogenome compared to A. chrysogenum mitogenome. The gene orders in A. implicatum and A. chrysogenum mitogenome is different, which is mainly due to the location of nad4 and cox2. In addition, one transposition event related to tRNAs is identified in these two mitogenomes. This study may provide valuable mitochondrial information for research on A. implicatum and facilitate the study of mitochondrial evolution.
Acknowledgements
Authors are grateful to Chichuan Liu for his excellent work for bioinformatics analysis of A. implicatum and valuable advices for primers designing.
Declaration of interest
This work was supported by the National Natural Science Foundation of China (31371923), Agro-scientific Research in the Public Interest (201103018), China Agriculture Research System (CARS-25-B-01) and the Chinese Academy of Agricultural Sciences' Scientific and Technological Innovation Project.