Abstract:
:Nucleotide sequence analysis of polymerase chain reaction products confirmed that ev21 integrated into one of two large homologous elements on the Z chromosome of late-feathering (LF) White Leghorn chickens. Southern blots of NotI-, NaeI-, KspI- and BamHI-digested DNA from early-feathering (EF) and LF White Leghorns, that had been hybridized with a probe that flanks ev21, indicated a 180 kb duplication of an unoccupied repeat in the LF genotype of White Leghorns. A KspI fragment that carries ev21 was about 32 kb smaller than the KspI fragment found in EF DNA. In the evolution of LF, retroviral insertion into one of two large repeats and a 32 kb deletion may have generated LF.
journal_name
Anim Genetjournal_title
Animal geneticsauthors
Iraqi F,Smith EJdoi
10.1111/j.1365-2052.1995.tb03153.xsubject
Has Abstractpub_date
1995-06-01 00:00:00pages
141-6issue
3eissn
0268-9146issn
1365-2052journal_volume
26pub_type
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