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Halicephalobus mephisto

BioProject PRJNA528747 | Data Source American University, Washington, D.C. | Taxonomy ID 703951

About Halicephalobus mephisto

The nematode Halicephalobus mephisto is a free-living worm feeding on subterranean bacteria. It was first found in ore recovered from deep rock fracture water in South African goldmines. It is able to survive as deep as 3.6 km under the surface of Earth, resisting temperatures as high as 37°C.

Genome Assembly & Annotation


The assembly was deposited to INSDC under PRJNA528747, and after accessioning was made available to WormBase by John Bracht. Manuscript under review.


The annotation was submitted to WormBase in May 2019 by John Bracht.

Key Publications

Assembly Statistics

AssemblySWDT01000000, SWDT00000000
Database VersionWBPS17
Genome Size61,428,783
Data SourceAmerican University, Washington, D.C.
Annotation Version2019-05-WormBase

Gene counts

Coding genes12,546
Gene transcripts28,062

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