UP000008549

Caenorhabditis briggsae

UniProtKB proteome
Proteome ID
UP000008549
StrainAF16
TaxonomyCaenorhabditis briggsae

Description

Caenorhabditis briggsae is a nematode roundworm that is almost indistinguishable from the model-organism nematode Caenorhabditis elegans. It also shares many other features such as chromosome number, habitat and behavior which make it an ideal candidate for comparative genomics studies, especially as 93% of the predicted protein-coding genes have clear C. elegans orthologs. Like C. elegans the C. briggsae embryo goes through four larval stages before becoming a mature adult. In response to over-crowding or an inadequate food supply the worm can adopt a dauer larval stage. In this stage the worm can survive for up to three months. Most worms are found in this stage. Sexual reproduction occurs by an adult hermaphrodite self-fertilizing. The reference proteome for C. briggsae (strain AF16) is derived from a hybrid sequencing approach combining whole-genome assembly with whole-genome shotgun sequencing (WGS). The C. briggsae genome size is approximately 104 Mb, slightly larger than that of the C. elegans. The difference is mainly due to the larger non-genic repetitive DNA content in C. briggsae's genome. The number of protein-coding genes is estimated to be 19,507.

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