Myxosporea sp. 108-BR2022 is an unclassified operational taxonomic unit (OTU) within the class Myxosporea (subphylum Myxozoa), a highly derived radiation of microscopically simplified endoparasitic cnidarians. Formally sequenced and cataloged in public registries under GenBank GCA_040939035.1, this species represents a milestone in metazoan evolutionary biology. Due to the absence of direct photographic or diagnostic spore records during rapid fieldwork sampling, the specimen is provisionally assigned as an unclassified myxosporean. Morphologically, it bypasses the macroscopic tissue plans of free-living watermouths or anemones, exhibiting an obligate parasitic lifestyle within fish tissue hosts where it develops multi-valved myxospores containing cellular polar capsules. Genomically, Myxosporea sp. 108-BR2022 possesses a high-quality, PCR-free 162 Mb Oxford Nanopore long-read assembly (Project PRJNA1107121). This reference asset gained global prominence by proving the functional presence of active DNA methylation within GC-rich regions of myxozoan gene bodies, definitively refuting the long-held hypothesis of universal epigenetic tool loss during evolutionary simplification.
| Class | Species | NCBI Taxonomy ID | Assembly Level | GenBank Assembly | Assembly Name | Genome Size (Mb) | WGS Accession | Submitter | BioProject |
|---|
| Myxozoa | Myxosporea sp. 108-BR2022 | 3149006 | Contig | GCA_040939035.1 | ASM4093903v1 | 25.72 | JBDJAN01 | University of Zagreb Faculty of Food Technology and Biotechnology | PRJNA1107121 |
| Chromosome Number | Scaffold Number | Contig Number | Protein Number | Protein-Coding Gene Number | Contig N50 | Scaffold N50 | GC content (%) | BUSCO completeness |
|---|
| - | 377 | 377 | - | - | 128489 | 128489 | 30 | C:26.7%[S:26.7%,D:0.0%],F:17.6%,M:55.7% |
| Title | Journal | Pubmed ID |
|---|
| Long read metagenomic sequencing negates inferred loss of cytosine methylation in Myxosporea | GigaScience | 40080648 |
