Interesting analysis of some yeast pseudogenes. However, omits reference to Harrison et al. (2002) JMB.
http://www.hhmi.org/bulletin/spring2005/upfront/yeast.html
Proc Natl Acad Sci U S A. 2004 Sep 28;101(39):14144-9. Epub 2004 Sep 20.
Parallel inactivation of multiple GAL pathway genes and ecological diversification in yeasts.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=15381776&query_hl=20&itool=pubmed_docsum