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2 edition of Structural and functional characteristics of cyanobacterial and chloroplastic Clp proteins found in the catalog.

Structural and functional characteristics of cyanobacterial and chloroplastic Clp proteins

Tara M. Stanne

Structural and functional characteristics of cyanobacterial and chloroplastic Clp proteins

by Tara M. Stanne

  • 61 Want to read
  • 28 Currently reading

Published by Gothenburg University, Faculty of Science in Gothenburg .
Written in

    Subjects:
  • Proteins,
  • Endopeptidases,
  • Molecular chaperones

  • Edition Notes

    StatementTara M. Stanne.
    Classifications
    LC ClassificationsQP609.P75 S73 2007
    The Physical Object
    Pagination1 v. (various pagings) :
    ID Numbers
    Open LibraryOL24072240M
    ISBN 109789185529094
    LC Control Number2007440813

    The proteins combine structural roles as cell-contact and cytoskeleton-associated proteins and signaling functions by generating and transducing signals affecting gene expression [1,2,3]. The three-dimensional fold of an armadillo repeat is known from the crystal structure of beta-catenin [4].   The chloroplast is a multi-copy cellular organelle that not only performs photosynthesis but also synthesizes amino acids, lipids and phytohormones. The plastid also responds to environmental stimuli such as gravitropism. Biogenesis of chloroplasts is initiated from proplastids in shoot meristems, and involves a series of important events. In the last decade, considerable progress has been Cited by:

    The Chloroplast Interactions with the Environment A complete book on chloroplast would contain a vast number of chapters! We chose to focus on interactions between the chloroplast and its immediate as well as distant environments, with a first chapter on plastid evolution. the evolution of plastids is presented and the structural. His group has recently started studying the plastid vesicular transport system between the envelope and the internal membrane system with emphasis on putative proteins involved in the process. v Preface A complete book on chloroplast would contain a vast number of chapters!

    9、Chloroplast BiogenesisControl of Plastid Development, Protein Import, Division and Inheritance_电子/电路_工程科技_专业资料Read: 9. Full text of "Molecular biology and biotechnology of plant organelles: chloroplasts and mitochondria" See other formats.


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Structural and functional characteristics of cyanobacterial and chloroplastic Clp proteins by Tara M. Stanne Download PDF EPUB FB2

Chloroplast translation is essential for cellular viability and plant development. Its positioning at the intersection of organellar RNA and protein metabolism makes it a unique point for the regulation of gene expression in response to internal and external cues.

Recently obtained high-resolution structures of plastid ribosomes, the development of approaches allowing genome-wide Cited by:   The ATP-dependent caseinolytic protease (Clp) is an essential housekeeping enzyme in plant chloroplasts. It is by far the most complex of all known Clp proteases, with a proteolytic core consisting of multiple catalytic ClpP and noncatalytic ClpR subunits.

It also includes a unique form of Clp protein of unknown function designated ClpT, two of which exist in the model species Arabidopsis Cited by: In general, plastids are considered to have originated as endosymbiotic ancestral cyanobacteria.

Therefore, it is not surprising that most chloroplastic proteases originated from bacterial homologues (Fig. ) (Timmis et al., ).Examples of these proteases are three ATP-dependent proteases: Clp, FtsH, and Lon, which share a conserved ATP-binding motif but possess a different catalytic.

Herein we review the recent structural, computational, genetic, and biochemical studies that have begun to identify key characteristics and properties underlying protein import in chloroplasts. Protein products of both the chloroplast and nuclear genomes are required for the multisubunit complex assembly, these proteins being synthesized and assembled in a stoichiometric manner (Gray.

Chloroplasts originated from the endosymbiosis of ancestral cyanobacteria and maintain transcription and translation machineries for around proteins. Most endosymbiont genes, however, have been transferred to the host nucleus, and the majority of the chloroplast proteome is composed of nucleus-encoded proteins that are biosynthesized in the cytosol and then imported into by:   The process of protein import into plastids has been studied extensively using isolated pea (Pisum sativum) chloroplasts.

As a consequence, virtually all of the known components of the proteinaceous apparatus that mediates import were originally cloned from pea. With the recent completion of the Arabidopsis genome sequencing project, it is now possible to identify putative Cited by:   All of the plant Clp proteins are encoded in the nucleus, except for ClpP1 which is plastid‐encoded in green algae and vascular plants, i.e.

the green lineage of plants. ClpP genes are also found in Cyanobacteria [ [ 22 ] ] and in the genome of the Cyanophora cyanelle, an ancestral by:   As discussed earlier, most chloroplast proteins possess an amino-terminal targeting signal, or transit peptide (Jarvis, ). Because transit peptides share certain characteristics, it is possible to identify candidate chloroplast proteins in silico by sequence analysis (the TargetP program is a popular choice; Table 1) (Emanuelsson et al Cited by:   Abstract.

Molecular chaperones play essential roles in a wide variety of cellular processes, from de-novo protein folding to protein disaggregation under stress conditions, unfolding and re-folding of misfolded proteins, protein degradation, protein transport and proteome remodeling during development.

Almost all cell compartments contain chaperone activity to some extent, hence it is not Cited by: 1. Thus, betasatellite affected both the structural and functional aspects of the host cell chloroplast by inhibit- ing the proteins important for chloroplast development.

The study regarding the photosynthetic efficiency revealed severe reduction in the PI of the leaf as a result of betas.

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Santos, Carlos A. Breyer, Leonardo Schultz, Karen llo, Anderson F. Cunha, Carlos A. Functional expression of the extraplastidial Arabidopsis thaliana oleate desaturase gene (FAD2) in Saccharomyces cerevisiae. Plant Physiol.

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Because transit peptides share certain characteristics, it is possible to identify candidate chloroplast proteins in silico by sequence analysis (the TargetP program is a popular choice; Table 1) (Emanuelsson et al., ).

However, a lack of conservation amongst transit peptides and their similarity to mitochondrial presequences mean that such Cited by:   Murray JW, Duncan, J and Barber J () CPlike chlorophyll binding proteins: structural and evolutionary implications.

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Grossman, David González-Ballester, Shaun Bailey, Steven J. Karpowicz, Sabeeha S. Merchant. current developments in biotechnology and bioengineering 2. prediction of protein’s functions and its functional networks in plant metabolic and signaling pathways through the characterization of PTMs, analysis of protein mapping, and proteineprotein interactions 3.

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HASEGAWA Center for Plant Environmental Stress Physiology Purdue University Indiana, USA. recombinant proteins produced successfully in this alga. However, examples of metabolic engineering are limited, and this re ects the more challeng-ing problem of introducing multiple transgenes, and also regulating their expression so that biomass production and redirecting metabolic ux to.

“Naturally co-expressed” with reference to two proteins or genes means that the proteins or their genes are co-expressed naturally in a tissue or organism from which they are derived, e.g., because the genes encoding the two proteins are under the control of a common regulatory sequence or because they are expressed in response to the same.

Chen et al., “Structural classification and properties of ketoacyl synthases,” Protein Science, 20(10), (). Cheng et al., “Sugars modulate an unusual mode of control of the cell-wall invertase gene (Incw1) through its 3′ untranslated region in a cell suspension culture of maize,” Proc.

Natl. Acad. Sci. USA, Cited by: