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ABSTRACT A 1.488-Gb draft genome sequence was assembled for the fungus Massospora cicadina , an obligate parasite of periodical cicadas. The M. cicadina genome has experienced massive expansion via transposable elements (TEs), which account for 92% of the genome. 

ABSTRACT We report six metagenome-assembled genomes (MAGs) associated with Massospora cicadina strain MCPNR19 (ARSEF 14555), an obligate entomopathogenic fungus of periodical cicadas. The MAGs include representatives of Pantoea , Pseudomonas , Lactococcus , and one potential new Chryseobacterium species. Future research is needed to resolve the ecology of these MAGs and determine whether they represent symbionts or contaminants. 

The kingdom Fungi comprises species that inhabit nearly all ecosystems. Fungi exist as both free-living and symbiotic unicellular and multicellular organisms with diverse morphologies. The genomes of fungi encode genes that enable them to thrive in diverse environments, invade plant and animal cells, and participate in nutrient cycling in terrestrial and aquatic ecosystems. The continuously expanding databases of fungal genome sequences have been generated by individual and large-scale efforts such as Génolevures, Broad Institute's Fungal Genome Initiative, and the 1000 Fungal Genomes Project (http://1000.fungalgenomes.org). These efforts have produced a catalog of fungal genes and genomic organization. The genomic datasets can be utilized to better understand how fungi have adapted to their lifestyles and ecological niches. Large datasets of fungal genomic and transcriptomic data have enabled the use of novel methodologies and improved the study of fungal evolution from a molecular sequence perspective. Combined with microscopes, petri dishes, and woodland forays, genome sequencing supports bioinformatics and comparative genomics approaches as important tools in the study of the biology and evolution of fungi.