A songbird karyotype: cytogenetic confirmation of a migration-associated region rich in olfactory receptor genes.
Violeta Caballero‐López, Dmitrij Dedukh, Diana Ekman…·Staffan Bensch
The paper identifies a repeat-rich genomic region, MARB, associated with bird migration using long-read assemblies and cytogenetic techniques, revealing it spans a large chromosome and contains many olfactory receptor genes.