Definition of "polytene" []

• Relating to or having large multistranded chromosomes whose corresponding chromomeres are in contact. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Using antibodies, Capelson and her collaborators were able to detect the binding of Nup98, SEC13, and FG-containing nucleoporins to specific genes on the polytene chromosomes."
• "Immunolocalization studies on Drosophila polytene chromosomes suggest that Spt5 is associated with many loci throughout the genome."
• "At the molecular level, Spt5 localization on polytene chromosomes and chromatin immunoprecipitation studies reveal broad distribution of Spt5 at sites of active transcription as well as at the un-induced heat shock gene promoters"