Cytoplasmic fate of messenger RNA (Paperback, Softcover reprint of the original 1st ed. 1997)

Among all cellular RNA species of the three main types, ribosomal RNA, transfer RNA or messenger RNA, be they from prokaryotic or eukaryotic organisms, the prokaryotic mRNA is unique in that it has no precursor and is synthesized in the same mature form as it is translated into proteins. In fact, ribosomes join the nascent mRNA chain and engage in protein synthesis long before its transcription is complete. Provisions are even made for slowing down the ribo somes at some sites to prevent them from catching up with the RNA-polymerase. Of course, such a situation is only possible in the prokaryotic world where there is no such thing as a nuclear mem brane physically secluding the transcription process from the cy toplasm where translation is restricted. Quite in the opposite extreme, the eukaryotic pre-messenger RNA has to suffer many and sometimes drastic steps of maturation (capping, polyadenylation, splicing, edition) before the decision is made to export it to the cytoplasm. That is where it enters the scope of this book. Once in the cytoplasm, many options are still open to it: its entrance into polysomes may be delayed (as it is in unfertilized eggs) or merely prohibited (ferritin mRNA in iron-starved cells), directed to specific locations within the cytoplasm or be more or less rapidly degraded. During gametogenesis and early development, translational control is probably the most significant level of gene expression."

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Series:	Progress in Molecular and Subcellular Biology, 18
Release date:	September 2011
First published:	1997
Editors:	Philippe Jeanteur
Dimensions:	235 x 155 x 13mm (L x W x T)
Format:	Paperback
Pages:	224
Edition:	Softcover reprint of the original 1st ed. 1997
ISBN-13:	978-3-642-64420-7
Categories:	Books > Science & Mathematics > Biology, life sciences > Biochemistry > General Books > Science & Mathematics > Biology, life sciences > Cellular biology > General
LSN:	3-642-64420-1
Barcode:	9783642644207

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