Nucleic Acid-Associated Protein Genes

摘要: This chapter begins a rather lengthy section devoted to the genes transcribed in eukaryotes by DNA-dependent RNA polymerase II and their prokaryotic organellar counterparts that continues through Chapter 9. By far majority of these class encode proteins numerous types, hence transcripts are messengers. In addition, group contains those for small nuclear RNAs best represented U family human genome, along with heterogeneous mixture cistrons inserted elements, but not viewed until steps processing discussed 12, they concerned activity. The first protein be explored here associated vivo DNA, namely histones relatives, or RNA, such as ribosomal proteins. treatment latter types at this point close examination rRNAs appears logical step; moreover, seem equally essential prior discussion any other proteinaceous substance, since products have often been claimed active control transcription. Since regulation has also considered manifested way histone-containing bodies called nucleosomes adhere DNA strands (Olins Olins, 1974), it is expedient discuss structures then proceed themselves.