Abstract
Publisher Summary This chapter discusses the current information about a specific gene family, the Balbiani ring (BR) multigene family. This gene family is found in the dipteran species Chironomus tentans, where its expression represents a major part of the tissue-specific function of the salivary glands. It is interesting for two reasons. First, it exemplifies how a tissue-specific function, involving the interaction of many different proteins, has evolved from a common gene ancestor, by sequence duplications and divergence of coding as well as of regulatory regions of the duplicated genes. Second, it is an example of how coding sequences may be reduplicated, within individual genes, to produce arrays of coding sequences, upon which recombination events operate, to continuously remodel the repetitive structure. The BR multigene family reflects the underlying mechanisms that form and then shape all the duplicated sequences in eukaryotic genomes. It, therefore, serves as a useful example, from which knowledge about evolution, by sequence duplication and remodeling of coding repetitive sequences, can be obtained.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Progress in Nucleic Acid Research and Molecular Biology
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
