Last edited by Sall
Tuesday, February 4, 2020 | History

4 edition of Molecular biology of RNA found in the catalog.

Molecular biology of RNA

new perspectives

by

  • 309 Want to read
  • 38 Currently reading

Published by Academic Press in San Diego .
Written in English

    Subjects:
  • RNA.,
  • Molecular biology.,
  • Molecular genetics.,
  • Molecular Biology.

  • Edition Notes

    Includes bibliographies and index.

    Statementedited by Masayori Inouye, Bernard S. Dudock.
    ContributionsInouye, Masayori., Dudock, Bernard S.
    Classifications
    LC ClassificationsQP623 .M65 1987
    The Physical Object
    Paginationxii, 451 p. :
    Number of Pages451
    ID Numbers
    Open LibraryOL2382651M
    ISBN 10012372483X
    LC Control Number87011375

    Meanwhile, a rapidly growing collection Molecular biology of RNA book online resources tries to convince us that understanding is only a few mouse-clicks away. I found the narrative to be straight forward and very understandable as the author makes the point in a logical and lucid manor. Transcription factors perform this function alone or with other proteins in a complex, by promoting as an activatoror blocking as a repressor the recruitment of RNA polymerase the enzyme that performs the transcription of genetic information from DNA to RNA to specific genes. Ribose comprises the backbone of RNA, a biopolymer that is the basis of genetic transcription. The left plant is wild-type; the right plants contain transgenes that induce suppression of both transgene and endogenous gene expression, giving rise to the unpigmented white areas of the flower.

    The genes transcribed by RNA Pol III fall in the category of "housekeeping" genes whose expression is required in all cell types and most environmental conditions. Coyne Pages: This complex is then recognized by other translation initiation machinery including the ribosome. Transgenic mice that over-express or lack specific miRNAs have provided insight into the role of small RNAs in various malignancies.

    However, their occurrence in bacteria seems to be more sporadic than in lower eukaryotes, and they have become prevalent in higher plants. These binding sites are frequently referred to as activation functions AFs. Promotion of translation see ribosome and translation. One version, base long, had fidelity of Unlike DNA, their structures do not consist of long double helices but rather collections of short helices packed together into structures akin to proteins. At the end of transcription, mRNA is transported to the cytoplasm for the completion of protein synthesis.


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Molecular biology of RNA Download PDF Ebook

One subset of these vesicles, observed later in Molecular biology of RNA book, is a double-membraned population which strongly resemble autophagosomes, the organelles of the autophagy pathway.

During transcription, certain proteins called transcription factors unwind the DNA strand and allow the enzyme RNA polymerase to transcribe only a single Molecular biology of RNA book of DNA. Other classes of introns such as self-splicing and tRNA introns are not subject to much debate, but see for the former.

While the exact mechanism through which Pol I increases its rate of transcription is yet unknown, evidence has shown that rRNA synthesis can increase or decrease without changes in the number of actively transcribed rDNA. Another enzyme, a U-specific exoribonuclease, removes the unpaired Us.

Although single-stranded, RNA is not always linear. These viruses dramatically remodel their host cells' preexisting organelles to generate Molecular biology of RNA book organelles on which they subsequently assemble their enzymes and replicate.

Enteroviruses are known to modify cellular proteins to stimulate their levels of gene expression and RNA synthesis, but there are some cases where unaltered host proteins can aid in viral replication. In this chapter we discuss the ways in which enteroviruses are known to interact with the autophagy pathway, often to promote viral replication.

A novel miRNA-profiling based screening assay for the detection of early-stage colorectal cancer has been developed and is currently in clinical trials. The stem-loop secondary structure of a pre-microRNA from Brassica oleracea.

Shortly after the discovery of introns, investigators offered competing theories that offer alternative scenarios for the origin and early evolution of spliceosomal introns.

Coyne Pages: This model is based on the observation that the spliceosomal introns are restricted to eukaryotes alone. Minor spliceosome The minor spliceosome is a ribonucleoprotein complex that catalyses the removal splicing of an atypical class of spliceosomal introns Utype from eukaryotic messenger RNAs in plant, insects, vertebrates and some fungi Rhizopus oryzae.

These modifications are 5' capping, 3' polyadenylation, and RNA splicing, which occur in the cell nucleus before the RNA is translated.

It is also a potential but unconfirmed mechanism in which multiple ions are necessary for to perform the hydrolysis.

Instead, a collection of proteins called transcription factors mediate the binding of RNA polymerase and the initiation of transcription. This leads to repression of translation The cytosolic isoform of eukaryotes Poly A binding protein binds to the initiation factor eIF-4G via its C-terminal domain.

Complicating this issue is that finding that many introns are themselves mobile genetic elements, and can be inserted into and deleted from genes.

They do so by binding to a specific location on mRNA, preventing the molecule from being translated. The PCR technique can be used to introduce restriction enzyme sites to ends of DNA molecules, or to mutate particular bases of DNA, the latter is a method referred to as site-directed mutagenesis.

Before the discovery of ribozymes, enzymes, which are defined as catalytic proteins, [20] were the only known biological catalysts. During translation, a small ribosomal subunit attaches to a mRNA molecule.

Then the terminal G omega G of the intron swaps the exoG and occupies the G-binding site to organize the second ester-transfer reaction, the 3'-OH group of the upstream exon in P1 is aligned to attacks the 3' splice site in P10, leading to the ligation of the adjacent upstream and downstream exons and free of the catalytic intron.

A magnesium ion is commonly used as a cofactor during the hydrolysis step. An important structural feature of RNA that distinguishes it from DNA is the presence of a hydroxyl group at the 2' position of the ribose sugar.

Promotion of translation see ribosome and translation. As shown by F.

Current Protocols Molecular Biology

That is what we have tried to do in Molecular Biology of Molecular biology of RNA book Cell. The genes that group I introns interrupt differ significantly: They interrupt rRNA, mRNA and tRNA genes in bacterial genomes, as well as in mitochondrial and chloroplast genomes of lower eukaryotes, but only invade rRNA genes in the nuclear genome of lower eukaryotes.

This is an excellent text. But to understand something of the beauty Molecular biology of RNA book complexity of how living cells work, one needs more than just a wiki- this or wiki- that; it is enormously hard to identify the valuable and enduring gems from so much confusing landfill.Get this from a library!

Molecular biology of RNA. [David Elliott; Michael Ladomery] -- 'Molecular Biology of RNA' provides a broad survey of RNA structure and function. Describing the life cycle of RNA, it reveals how hugely diverse gene products stem from a relatively modest gene pool.

For the second edition of Molecular Biology of RNA, more introductory material has been incorporated at the beginning of the text, to aid students studying the subject for the first time. Throughout the text, new material has been included - particularly in relation to RNA binding domains, non-coding RNAs, and the connection between RNA biology Cited by: Basic Techniques in Molecular Biology.

to quantify nucleic acids accurately and rapidly is a prerequisite for many of the methods used in biochemistry and molecular biology. In the majority of.RNA is a single-stranded nucleic acid that is composed of three pdf elements: a nitrogenous base, a five-carbon sugar and a phosphate group.

Messenger RNA (mRNA), transfer RNA (tRNA) and ribosomal RNA (rRNA) are the three major types of RNA.Molecular Biology of the Cell is the classic in-depth text reference in cell biology.

Review of Molecular Biology

By extracting download pdf concepts and meaning from this enormous and ever-growing field, the authors tell the story of cell biology, and create a coherent framework through which non-expert readers may approach the subject.

Written in clear and concise language, and illustrated with original drawings, the Book Edition: 4th.Start studying 2 Molecular Biology (IB Biology book). Learn vocabulary, terms, and more with flashcards, games, and other study tools.