Results 21 to 30 of about 8,360 (214)

Antagonistic Regulation by CPN60A and CLPC1 of TRXL1 that Regulates MDH Activity Leading to Plant Disease Resistance and Thermotolerance

open access: yesCell Reports, 2020
Summary: Global warming and emerging plant diseases challenge agricultural food/feed production. We identify mechanism(s) regulating both plant thermotolerance and disease resistance.
Bikram Datt Pant   +4 more
doaj   +1 more source

CryoEM reveals the stochastic nature of individual ATP binding events in a group II chaperonin

open access: yesNature Communications, 2021
The mechanism by which chaperonins coordinate ATP utilization in their multiple subunits remains unclear. Here, the authors employ an approach that uses cryo-EM single particle analysis to track the number and distribution of nucleotides bound to each ...
Yanyan Zhao   +3 more
doaj   +1 more source

Protein sorting to mitochondria [PDF]

open access: yes, 1990
According to the endosymbiont hypothesis, mitochondria have lost the autonomy of their prokaryotic ancestors. They have to import most of their proteins from the cytosol because the mitochondrial genome codes for only a small percentage of the ...
Hartl, Franz-Ulrich, Neupert, Walter
core   +1 more source

Functional divergence of chloroplast Cpn60α subunits during Arabidopsis embryo development. [PDF]

open access: yesPLoS Genetics, 2017
Chaperonins are a class of molecular chaperones that assist in the folding and assembly of a wide range of substrates. In plants, chloroplast chaperonins are composed of two different types of subunits, Cpn60α and Cpn60β, and duplication of Cpn60α and ...
Xiaolong Ke   +6 more
doaj   +1 more source

Transcriptome profiling of grapevine seedless segregants during berry development reveals candidate genes associated with berry weight [PDF]

open access: yes, 2016
Indexación: Web of Science; PubMedBackground Berry size is considered as one of the main selection criteria in table grape breeding programs. However, this is a quantitative and polygenic trait, and its genetic determination is still poorly understood ...
A Doligez   +90 more
core   +3 more sources

Archaeal chaperonins

open access: yesFrontiers in Bioscience, 2009
Chaperonins are ubiquitous and essential protein folding machines. They have a striking structure, with two rings of seven, eight, or nine protomers forming a "double doughnut" complex, with the cavity in each ring being the likely site for protein folding to take place. The group I chaperonins, found in bacteria and the organelles descended from them,
Andrew T, Large, Peter A, Lund
openaire   +2 more sources

Crystal structure of P. falciparum Cpn60 bound to ATP reveals an open dynamic conformation before substrate binding

open access: yesScientific Reports, 2021
Plasmodium falciparum harbors group 1 and group 2 chaperonin systems to mediate the folding of cellular proteins in different cellular locations. Two distinct group 1 chaperonins operate in the organelles of mitochondria and apicoplasts, while group 2 ...
Brian Nguyen   +4 more
doaj   +1 more source

Myxococcus xanthus DK1622 Coordinates Expressions of the Duplicate groEL and Single groES Genes for Synergistic Functions of GroELs and GroES

open access: yesFrontiers in Microbiology, 2017
Chaperonin GroEL (Cpn60) requires cofactor GroES (Cpn10) for protein refolding in bacteria that possess single groEL and groES genes in a bicistronic groESL operon.
Yue-zhong Li   +6 more
doaj   +1 more source

The ribosome modulates folding inside the ribosomal exit tunnel

open access: yesCommunications Biology, 2021
Wruck et al. investigate the folding of the small zinc-finger domain ADR1a inside and at the vestibule of the ribosomal tunnel, using optical tweezers, single-molecule FRET, and molecular dynamics simulations.
Florian Wruck   +6 more
doaj   +1 more source

The Functional Differences between the GroEL Chaperonin of Escherichia coli and the HtpB Chaperonin of Legionella pneumophila Can Be Mapped to Specific Amino Acid Residues

open access: yesBiomolecules, 2021
Group I chaperonins are a highly conserved family of essential proteins that self-assemble into molecular nanoboxes that mediate the folding of cytoplasmic proteins in bacteria and organelles.
Karla N. Valenzuela-Valderas   +3 more
doaj   +1 more source

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