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Abstract
Membranous proteins organize approximately 30% of the predicted proteins encoded in all the genomes. Though, even in some fully characterized organism like E. coli, the roles of just about half of the expected membranous proteins are not completely understood. By the usage of genetic applications in isolating some new mutants, research laboratory has developed the techniques for understanding the applications of some earlier uncharacterized as well as conserved family of genes in the lipid biosynthesis in addition to cell division, the dedA family. DedA is an inner membranous protein present in eubacteria as well as in some Archaea. Genes for these membranous proteins are found in genomes of the few green algae. Presently, there are approximately 1000 genes in online database marked as being dedA family or having amino acid identity to DedA of E. coli.