By Michael Caplan (Eds.)
Read Online or Download Cell Biology and Membrane Transport Processes PDF
Similar cell biology books
The seriously acclaimed laboratory usual, equipment in Enzymology , is without doubt one of the such a lot hugely revered courses within the box of biochemistry. due to the fact that 1955, every one quantity has been eagerly awaited, usually consulted, and praised by means of researchers and reviewers alike. The sequence comprises a lot fabric nonetheless suitable this day - really an important e-book for researchers in all fields of lifestyles sciences.
Liposomes are mobile constructions made from lipid molecules. vital as a mobile version within the research of easy biology, liposomes also are utilized in scientific purposes akin to drug supply and virus stories. Liposomes half D is a continuation of prior MIE Liposome volumes A, B, and C. Contents: Antibody or Ligand designated Liposomes; atmosphere delicate liposomes; liposomal oligonucleotides; liposomes in vivo
This booklet brings jointly the foremost concepts utilized in the isolation or enrichment of person populations of organelles and different subcellular buildings from crops with the aim that, by means of with the ability to isolate subcellular constructions, the learn and knowing of assorted elements of compartmentalized functionality in plant cells should be complicated.
Additional resources for Cell Biology and Membrane Transport Processes
Kane, I. Pastan, and M. M. Gottesman, unpublished observations). Why does the transporter contain two ATP-binding regions, and is ATP really the preferred energy source for transport? Currently, the first of these questions is unanswered, but several hypotheses may be entertained. One of the sites may be regulatory, and the second could be catalytic. Both sites might be needed because the first gets the substrate into the transporter, and the second gets it out (I. Roninson, personal communication).
INTRODUCTION In eukaryotic cells, the vast majority of peptide hormones and other polypeptides destined for secretion are typically synthesized as larger precursors on cytoplasmic polysomes and then targeted to the membrane ' Current address: Department of Molecular Genetics and the Biocenter, University of Vienna, Dr. Bohrgasse 9/2, A-1030, Vienna, Austria. Current Topics in Membranes, Volume 41 Copyright 0 1994 by Academic Press, Inc. All rights of reproduction in any form reserved. 19 20 Karl Kuchler et af.
Like the other members of the family that are above 100,000 kDa, Ste6p is predicted from its sequence to have two discrete ABC domains. Hydrolysis of ATP has been shown to energize the transport process mediated by the highly related transporter, Mdrl (Hamada and Tsuruo, 1988)and by other members of this superfam- 2. Transmembrane Translocation of Peptides 21 ily (for reviews see Higgins, 1992; Kuchler and Thorner, 1992a). , 1993a). This cross-linking was specific to Ste6p because no labeled species was detectable in cells not expressing Ste6p, because appearance of the photolabeled 145-kDa product required UV-irradiation, and because labeling was effectively competed by the presence of excess unlabeled nucleotide.