carbonic anhydrase/arabidopsis

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The γ-carbonic anhydrase subcomplex of mitochondrial complex I is essential for development and important for photomorphogenesis of Arabidopsis.

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Complex I (NADH:ubiquinone oxidoreductase) is the entry point for electrons into the respiratory electron transport chain; therefore, it plays a central role in cellular energy metabolism. Complex I from different organisms has a similar basic structure. However, an extra structural module, referred

Importance of post-translational modifications for functionality of a chloroplast-localized carbonic anhydrase (CAH1) in Arabidopsis thaliana.

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BACKGROUND The Arabidopsis CAH1 alpha-type carbonic anhydrase is one of the few plant proteins known to be targeted to the chloroplast through the secretory pathway. CAH1 is post-translationally modified at several residues by the attachment of N-glycans, resulting in a mature protein harbouring

β-carbonic anhydrases play a role in salicylic acid perception in Arabidopsis.

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The plant hormone salicylic acid (SA) is required for defense responses. NON EXPRESSER OF PATHOGENESIS RELATED 1 (NPR1) and NON RECOGNITION OF BTH-4 (NRB4) are required for the response to SA in Arabidopsis (Arabidopsis thaliana). Here, we isolated several interactors of NRB4 using yeast two-hybrid

Functional characterization of mutants affected in the carbonic anhydrase domain of the respiratory complex I in Arabidopsis thaliana.

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The NADH-ubiquinone oxidoreductase complex (complex I) (EC 1.6.5.3) is the main entrance site of electrons into the respiratory chain. In a variety of eukaryotic organisms, except animals and fungi (Opisthokonta), it contains an extra domain comprising trimers of putative γ-carbonic anhydrases,

The role of carbonic anhydrase α-CA4 in the adaptive reactions of photosynthetic apparatus: the study with α-CA4 knockout plants.

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The role of α-carbonic anhydrase 4 (α-CA4) in photosynthetic machinery functioning in thylakoid membranes was studied, using Arabidopsis thaliana wild type plants (WT) and the plants with knockout of At4g20990 gene encoding α-CA4 (αCA4-mut) grown both in low light (LL, 80 μmol quanta m^-2

The Cytoplasmic Carbonic Anhydrases βCA2 and βCA4 Are Required for Optimal Plant Growth at Low CO2.

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Carbonic anhydrases (CAs) are zinc metalloenzymes that interconvert CO2 and HCO3 (-) In plants, both α- and β-type CAs are present. We hypothesize that cytoplasmic βCAs are required to modulate inorganic carbon forms needed in leaf cells for carbon-requiring reactions such as photosynthesis and

Carbonic Anhydrases Function in Anther Cell Differentiation Downstream of the Receptor-Like Kinase EMS1.

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Plants extensively employ leucine-rich repeat receptor-like kinases (LRR-RLKs), the largest family of RLKs, to control a wide range of growth and developmental processes as well as defense responses. To date, only a few direct downstream effectors for LRR-RLKs have been identified. We previously

Characterization and expression of two cDNAs encoding carbonic anhydrase in Arabidopsis thaliana.

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Two distinct cDNA clones encoding carbonic anhydrase (CA) were isolated from an Arabidopsis thaliana lambda YES library. One of these clones, CA1, encodes a 36.1-kD polypeptide and is essentially the same as a previously reported Arabidopsis CA cDNA (C.A. Raines, P.R. Horsnell, C. Holder, J.C. Lloyd

The presence of the low molecular mass carbonic anhydrase in photosystem II of C3 higher plants.

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The carrier of carbonic anhydrase (CA) activity was detected in gel among low molecular mass proteins from pea, spinach and Arabidopsis, after nondenaturing electrophoresis in PAAG of the dodecyl-β-d-maltoside treated PSII membranes (the fragments of thylakoid membrane containing PSII complexes).

Loss of the transit peptide and an increase in gene expression of an ancestral chloroplastic carbonic anhydrase were instrumental in the evolution of the cytosolic C4 carbonic anhydrase in Flaveria.

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C(4) photosynthesis has evolved multiple times from ancestral C(3) species. Carbonic anhydrase (CA) catalyzes the reversible hydration of CO(2) and is involved in both C(3) and C(4) photosynthesis; however, its roles and the intercellular and intracellular locations of the majority of its activity

Chemical rescue of proton transfer in catalysis by carbonic anhydrases in the beta- and gamma-class.

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Catalysis of the dehydration of HCO(3)(-) by carbonic anhydrase requires proton transfer from solution to the zinc-bound hydroxide. Carbonic anhydrases in each of the alpha, beta, and gamma classes, examples of convergent evolution, appear to have a side chain extending into the active site cavity

Redox regulation of carbonic anhydrases via thioredoxin in chloroplast of the marine diatom Phaeodactylum tricornutum.

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Thioredoxins (Trxs) are important regulators of photosynthetic fixation of CO(2) and nitrogen in plant chloroplasts. To date, they have been considered to play a minor role in controlling the Calvin cycle in marine diatoms, aquatic primary producers, although diatoms possess a set of plastidic Trxs.

Cloning and expression of Brassica napus beta-carbonic anhydrase cDNA.

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A new full-length beta-carbonic anhydrase cDNA was obtained from Brassica napus by homologous cloning. The cDNA has an open-reading frame of 996 nucleotides, encoding 331 amino acids with a calculated molecular weight of 35,692 Da and an estimated pI value of 5.459. The deduced amino acid sequence

Gamma carbonic anhydrase like complex interact with plant mitochondrial complex I.

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We report the identification by two hybrid screens of two novel similar proteins, called Arabidopsis thaliana gamma carbonic anhydrase like1 and 2 (AtgammaCAL1 and AtgammaCAL2), that interact specifically with putative Arabidopsis thaliana gamma Carbonic Anhydrase (AtgammaCA) proteins in plant

Carbonic anhydrase activity in Arabidopsis thaliana thylakoid membrane and fragments enriched with PSI or PSII.

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The procedure of isolating the thylakoids and the thylakoid membrane fragments enriched with either photosystem I or photosystem II (PSI- and PSII-membranes) from Arabidopsis thaliana leaves was developed. It differed from the one used with pea and spinach in durations of detergent treatment and

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