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Abstract

As the most important bovine ectoparasite, the southern cattle tick Rhipicephalus microplus transmits lethal cattle diseases such as babesiosis and anaplasmosis, costing the global livestock industry billions of dollars annually. To control cattle ticks, preventive treatment of cattle with pesticides is a common practice; however, after decades of chemical treatment, pesticide resistance has arisen in cattle ticks, rendering most formulations ineffective over time. Facing the perspective of running out of effective chemical treatments against R. microplus, research on biocontrol alternatives is necessary. Acaro-pathogenic microorganisms isolated from different developmental stages of R. microplus offer potential as biocontrol agents. Aspergillus flavus strain INIFAP-2021, isolated from naturally infected cattle ticks, produced high levels of mobility and mortality in the tick population during experimental infections. The whole genome of the fungi was sequenced using the DNBSEQ platform by BGI. The genome was assembled using SOAPaligner, and A. flavus NRRL3357 was used as the reference genome; the complete genome contained eight pairs of chromosomes and 36.9 Mb with a GC content of 48.03%, exhibiting 11482 protein-coding genes. The final genome assembly was deposited at GenBank as a bio project under accession number PRJNA758689, and supplementary material is accessible through Mendeley DOI: 10.17632/mt8yxch6mz.1.