Comparative mitogenomic analysis and phylogeny of Veneridae with doubly uniparental inheritance
Tao Xu, Chuandong He, Xiao Han, Lingfeng Kong, Qi Li · 2024
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Description
Tao Xu and co-authors study an odd inheritance pattern in venus clams, in this 2024 paper. Most animals inherit mitochondria, the cell's power packs, from the mother only. Some shellfish pass one set through eggs and a second set through sperm, a pattern found only in bivalves. How it spreads and works in the venus clam family was unclear.
The team read the full mitochondrial genomes of seventeen species in the family. Seven species carried the sperm-linked set in male tissues, proving the pattern occurs there. Many unassigned stretches held repeated sequences and could fold into shapes like known control regions in other animals. Family trees showed both species-based and sex-based patterns of the two sets. One species showed signs of a set switching roles between sexes.
Catalog record
| CREATOR | Tao Xu, Chuandong He, Xiao Han, Lingfeng Kong, Qi Li |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 36 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |