Two kinds of archaeal chaperonin with different temperature dependency from a hyperthermophile

M Izumi, S Fujiwara, M Takagi, K Fukui… - … and Biophysical Research …, 2001 - Elsevier
Thermococcus kodakaraensis KOD1 produces two kinds of chaperonin subunits, CpkA and
CpkB. To monitor the expression levels of CpkA and CpkB, anti-CpkA and anti-CpkB …

Expression Profiles and Physiological Roles of Two Types of Molecular Chaperonins from the Hyperthermophilic Archaeon Thermococcus kodakarensis

S Fujiwara, R Aki, M Yoshida… - Applied and …, 2008 - Am Soc Microbiol
Thermococcus kodakarensis possesses two chaperonins, CpkA and CpkB, and their
expression is induced by the downshift and upshift, respectively, of the cell cultivation …

Natural chaperonin of the hyperthermophilic archaeum, Thermococcus strain KS‐1: a hetero‐oligomeric chaperonin with variable subunit composition

T Yoshida, A Ideno, S Hiyamuta, M Yohda… - Molecular …, 2001 - Wiley Online Library
To study the difference in expression of the chaperonin α‐and β‐subunits in Thermococcus
strain KS‐1 (T. KS‐1), we measured their intracellular contents at various growth …

Two kinds of archaeal group II chaperonin subunits with different thermostability in Thermococcus strain KS‐1

T Yoshida, A Ideno, R Suzuki, M Yohda… - Molecular …, 2002 - Wiley Online Library
The thermostability of the recombinant α‐and β‐subunit homo‐oligomers (α16mer and
β16mer) and of natural chaperonins purified from cultured Thermococcus strain KS‐1 cells …

Isolation and Characterization of a Second Subunit of Molecular Chaperonin from Pyrococcus kodakaraensis KOD1: Analysis of an ATPase-Deficient Mutant Enzyme

M Izumi, S Fujiwara, M Takagi, S Kanaya… - Applied and …, 1999 - Am Soc Microbiol
The cpkA gene encoding a second (α) subunit of archaeal chaperonin from Pyrococcus
kodakaraensis KOD1 was cloned, sequenced, and expressed in Escherichia coli …

Functional Characterization of the Recombinant Group II Chaperonin α from Thermoplasma acidophilum

H Hirai, K Noi, K Hongo, T Mizobata… - Journal of …, 2008 - academic.oup.com
The functional characteristics of group II chaperonins, especially those from archaea, have
not been elucidated extensively. Here, we performed a detailed functional characterization …

Structural and functional characterization of homo-oligomeric complexes of α and β chaperonin subunits from the hyperthermophilic archaeum Thermococcus strain …

T Yoshida, M Yohda, T Iida, T Maruyama… - Journal of molecular …, 1997 - Elsevier
To elucidate the function of group II chaperonin, the gene for the chaperonin from the
hyperthermophilic archaeum Thermococcus strain KS-1 was cloned and sequenced. Two …

Construction and characterization of the hetero-oligomer of the group II chaperonin from the hyperthermophilic archaeon, Thermococcus sp. strain KS-1

M Sahlan, T Kanzaki, M Yohda - Extremophiles, 2009 - Springer
The hyperthermophilic archaeon Thermococcus sp. strain KS-1 (T. KS-1) expresses two
different chaperonin subunits, α and β, for the folding of its proteins. The composition of the …

Characterization of group II chaperonins from an acidothermophilic archaeon Picrophilus torridus

YY Yamamoto, K Tsuchida, K Noguchi… - FEBS Open …, 2016 - Wiley Online Library
Chaperonins are a type of molecular chaperone that assist in the folding of proteins. Group II
chaperonins play an important role in the proteostasis in the cytosol of archaea and eukarya …

A mutant chaperonin that is functional at lower temperatures enables hyperthermophilic archaea to grow under cold-stress conditions

L Gao, T Imanaka, S Fujiwara - Journal of Bacteriology, 2015 - Am Soc Microbiol
Thermococcus kodakarensis grows optimally at 85° C and possesses two chaperonins, cold-
inducible CpkA and heat-inducible CpkB, which are involved in adaptation to low and high …