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Moss animal (Cristatella mucedo)

Cristatella mucedo is a freshwater filter feeding, sessile, hermaphroditic, colonial species. Read more about moss animals on Wikipedia.

africa-animal-big-cat-88234.jpg

Lamiot / CC BY-SA (https://creativecommons.org/licenses/by-sa/4.0), via wikimedia.org

Chromosome-length genome assembly

Download the cmucedo.flye2_HiC.fasta.gz file containing the chromosome-length (2n=16) assembly of the moss animal genome. All modifications with respect to the draft (see below) are annotated in the cmucedo.flye2_HiC.assembly file. Some basic stats associated with the new reference, cmucedo.flye2_HiC, are listed below. The full data release can be explored here.

Contig length (bp)
Number of contigs
Contig N50 (bp)
Longest contig (bp)
554,898,699
2,852
442,362
2,921,838
Scaffold length (bp)
Number of scaffolds
Scaffold N50 (bp)
Longest scaffold (bp)
555,910,999
753
97,710,000
123,741,883
Draft

The chromosome-length genome assembly is based on the draft assembly cmucedo.flye2, credited below.

This assembly has been generated in collaboration with Leonid Moroz and Andrea Kohn, University of Florida. The draft was generated by the DNA Zoo team from PacBio data produced at UofF using Flye (Kolmogorov et al., 2019).

Method

3D Assembly was performed using 3D-DNA pipeline (Dudchenko et al., Science, 2017). The genome was reviewed using Juicebox Assembly Tools  (Dudchenko et al., bioRxiv, 2018). See Methods for more information.

Hi-C sample

The 30 whole animals sample for in situ Hi-C preparation was obtained from Leonid Moroz, University of Florida. We thank Moroz for additional samples for this species.

Hi-C Contact maps

Hi-C data was aligned to the draft reference using Juicer (Durand, Shamim et al., Cell Systems, 2016), and contact maps visualizing the alignments with respect to the draft and the new reference were built using 3D-DNA (Dudchenko et al., Science, 2017). The contact maps can be explored below via Juicebox.js interactive tool (Robinson et al., Cell Systems, 2018). To explore the assembly in greater detail, please download the .hic and .assembly files from the data release folder and use Juicebox Assembly Tools  (Dudchenko et al., bioRxiv, 2018).

References

If you use this genome assembly in your research, please check that the conditions of use associated with the draft permit it, and acknowledge the following work.

This assembly has been generated in collaboration with Leonid Moroz and Andrea Kohn, University of Florida. The draft was generated by the DNA Zoo team from PacBio data produced at UofF using Flye (Kolmogorov et al., 2019).

Dudchenko, O., Batra, S.S., Omer, A.D., Nyquist, S.K., Hoeger, M., Durand, N.C., Shamim, M.S., Machol, I., Lander, E.S., Aiden, A.P., Aiden, E.L., 2017. De novo assembly of the Aedes aegypti genome using Hi-C yields chromosome-length scaffolds. Science 356, 92–95. https://doi.org/10.1126/science.aal3327.

Dudchenko, O., Shamim, M.S., Batra, S., Durand, N.C., Musial, N.T., Mostofa, R., Pham, M., Hilaire, B.G.S., Yao, W., Stamenova, E., Hoeger, M., Nyquist, S.K., Korchina, V., Pletch, K., Flanagan, J.P., Tomaszewicz, A., McAloose, D., Estrada, C.P., Novak, B.J., Omer, A.D., Aiden, E.L., 2018. The Juicebox Assembly Tools module facilitates de novo assembly of mammalian genomes with chromosome-length scaffolds for under $1000. bioRxiv 254797. https://doi.org/10.1101/254797.

Disclaimer

This is a work in progress. If you notice any discrepancies in the map or have data that confirms or contradicts the suggested reference, please email us at thednazoo@gmail.com or leave a comment on the Forum.

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