Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:4.1.2.13 (aldolase)
 3,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Only one aldolase can be resolved from Chlamydomonas reinhardtii by anion-exchange chromatography on DEAE-cellulose. Western blots with specific antisera against plastid and cytosol aldolase of spinach and Northern blots with the respective cDNAs from spinach indicate that only one aldolase, the plastid enzyme, is expressed. Full-length cDNA clones for the plastidic aldolase were isolated from cDNA library constructed from poly(A)+ mRNA of C. reinhardtii with plastid-aldolase-specific probes from spinach. The clones contained a 1.7-kb insert with an open reading frame for 374 amino acid residues covering the mature chloroplast protein of 347 amino acids and a N-terminal transit peptide of 27 amino acids for chloroplast import. The calculated molecular mass of the mature protein is 37.6 kDa and that of the precursor protein is 40.3 kDa. The aldolase of C. reinhardtii shows amino acid similarity of 62 to 67% with the chloroplast aldolase and of 47 to 52% with the cytosolic enzymes of higher plants, respectively. An evolutionary tree with all known class I aldolases shows separate clusters for the chloroplast and for the cytosol aldolases in higher plants and green algae. The aldolase of C. reinhardtii connects at a basal position with the chloroplast aldolases of higher plants.
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PMID:Expression and sequence of the only detectable aldolase in Chlamydomonas reinhardtii. 805 79

It is known that the serum in cancer patients has the characteristics of the heat-stability. The factor produce the heat-stability is known to be due to tumor marker(TM) such as CEA, CA125(glycoprotein), CA19-9, CA15-3, SLX, CA50, CA72-4, DU-PAN-2, ST-439, SPAN-1(mucin) and alpha 1-acid glycoprotein, IAP(acute reactants). CEA belongs to IgG supergene family protein and is not oncofetal protein. CA19-9 is synthesis in subjects with Le(a) or Le(b) type, but negative in Le(a- b-) type. Thus, CA19-9 is not available as TM in Le(a- b-) type. Many TMs can be classified in 3 types because cancer cell has the character of immature cells which composed of immature proteins or glycoproteins. (1) Oncofetal protein: AFP(fetal albumin), PTHrP(fetal PTH) (2) The immature isozyme type: increase of amylase(salivary type), CPK(brain type) and aldolase (muscle and brain type) (3) The immature protein in biosynthesis process: increase of precursor protein(prepro type or pro type) such as PIVKA-II(preprothrombin), ProGRP, TPA or CYFRA 21-1(pro-keratin?) and hormone precursor in hormone producing tumor.
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PMID:[Tumor marker--present and future]. 931 Dec 62

A cDNA clone containing a fructose-1,6-bisphosphate aldolase (ALD) gene, designated ClAldC, was isolated from a medicinal plant Codonopsis lanceolata. ClAldC is predicted to encode a precursor protein of 358 amino acid residues, and its sequence shares high degrees of homology with a number of other ALDs. The expression of ClAldC in different C. lanceolata organs was analyzed using reverse transcriptase (RT)-PCR. The results showed that ClAldC expressed high in stems of intact plant, while expressed at low level in leaves and roots. In addition, the expression of ClAldC under different abiotic stresses was analyzed at different time points. Three tested abiotic stimuli, anoxygenic stress, hydrogen peroxide and chilling, triggered a significant induction of ClAldC within 2-8 h post-treatment. However, there was no induction under other four stresses, NaCI, wounding, light and dark. The positive responses of ClAldC to the three abiotic stimuli suggested that C. lanceolata ClAldC may help to protect against environmental stresses such as anoxia, chilling and oxidative stress.
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PMID:[Isolation of a novel fructose-1,6-bisphosphate aldolase gene from Codonopsis lanceolata and analysis of the response of this gene to abiotic stresses]. 1861 Aug 28

Sesuvium portulacastrum, a mangrove plant from seashore, is a halophyte species well adapted to salinity and drought. Some efforts have been made to describe its physiological and structural characteristics on salt and drought-tolerance, but the underlying molecular mechanism and key components have not yet been identified. Here, a fructose-1,6-bisphosphate aldolase gene, designated SpFBA, was isolated and characterized from S. portulacastrum roots in response to seawater. The SpFBA cDNA has a total length of 1452 bp with an open reading frame of 1071 bp, and is predicted to encode a precursor protein of 357 amino acid residues sharing high degree of homology with class I FBAs from other plants. Semi-quantitative RT-PCR analysis indicated that the SpFBA was more strongly expressed in roots than in leaves and stems, and the abiotic stimuli such as Seawater, NaCl, ABA, and PEG, could trigger a significant induction of SpFBA in S. portulacastrum roots within 2-12 h. Overproduction of Recombinant SpFBA resulted in an increased tolerance to salinity in transgenic Escherichia coli. All these results suggest that the SpFBA plays very important roles in responding to salt stress and related abiotic stimuli, and in improving the survival ability of S. portulacastrum under high salinity and drought.
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PMID:Cloning and molecular characterization of fructose-1,6-bisphosphate aldolase gene regulated by high-salinity and drought in Sesuvium portulacastrum. 1938 41