Abstract:
:Amino acids produced from formaldehyde and hydroxylamine in modified sea mediums with different concentrations of molybdate were analyzed. The modified sea mediums contained lower concentration of sodium chloride and higher concentrations of transition metal ions (Zn2+, Fe3+, Cu2+, Co2+, Mn2+ each 10(-4)m, and Mo O4(2-)10(-6), 10(-4), or 10(-2)m) than sea water. The concentration of molybdate had apparently no remarkable effect on the total yields of primary amino groups, but a remarkable effect on the nature of amino acids produced. The formation of alanine, aspartic acid, beta-alanine and, in particular, proline was increased, and that of glycine and serine was decreased with the enrichment of molybdate. The results suggest the possibility of a natural selection of prebiotic organic molecules based on the nature of environmental catalysers in the course of chemical evolution.
journal_name
J Biochemjournal_title
Journal of biochemistryauthors
Hatanaka H,Egami Fsubject
Has Abstractpub_date
1977-08-01 00:00:00pages
499-502issue
2eissn
0021-924Xissn
1756-2651journal_volume
82pub_type
杂志文章abstract::Two transferrin (Tf) glycan-isoforms were previously found in cerebrospinal fluid (CSF); one appears to be derived from serum (Tf-2) and the other from choroid plexus, a CSF-producing tissue (Tf-1). To analyse metabolic differences associated with the two isoforms, their ratio (Tf-2/Tf-1) was defined as the Tf index. ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvw015
更新日期:2016-08-01 00:00:00
abstract::To investigate the role of carboxyl groups of glucoamylases [EC 3.2.1.3] from a Rhizopus sp. (Gluc1 and Gluc2), the modification of Gluc1 and Gluc2 with a water-soluble carbodiimide, 1-cyclohexyl-3-(2-morpholinyl-(4)-ethyl)carbodiimide metho-p-toluenesulfonate (CMC), was studied. The inactivation of Gluc1 proceeded wi...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a134842
更新日期:1984-08-01 00:00:00
abstract::In the nucleus of eukaryotic cells, chromatin is tethered to the nuclear envelope (NE), wherein inner nuclear membrane proteins (INMPs) play major roles. However, in Xenopus blastula, chromatin tethering to the NE depends on nuclear filamentous actin that develops in a blastula-specific manner. To investigate whether ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvaa123
更新日期:2020-11-10 00:00:00
abstract::Corynebacterium diphtheriae, a pathogenic Gram-positive bacterium, contains sialic acids on its cell surface, but no genes related to sialic acid decoration or metabolism have been reported in C. diphtheriae. In the present study, we have identified a putative sialidase gene, nanH, from C. diphtheriae KCTC3075 and cha...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvp198
更新日期:2010-04-01 00:00:00
abstract::Association of sulphatide with influenza A virus (IAV) haemagglutinin (HA) delivered to the cell surface promotes progeny virus production. However, it is not known whether there is direct binding of HA to sulphatide. In this study, we found that recombinant HA, which was produced by a baculovirus protein expression s...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvq013
更新日期:2010-04-01 00:00:00
abstract::Previous studies have shown that purified mitochondrial outer membrane is able to catalyze the transfer of sialic acid from CMP-Neu5Ac to an exogenous asialoglycoprotein acceptor, asialofetuin. Considering the heterogeneity of the glycan chains borne by this glycoprotein, an investigation of mitochondrial sialyltransf...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a123644
更新日期:1991-11-01 00:00:00
abstract::In our recent study on monoclonal antibodies (mAbs AHA-1-5) against glutaraldehyde (GA)-conjugated histamine (HA), we identified one mAb (AHA-2) which can detect neuronal HA in the rat brain with an immunocytochemistry method (ICC) [Fujiwara et al. (1999) J. Biochem. 126, 503-509]. In the present study the specificity...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a022563
更新日期:1999-12-01 00:00:00
abstract::The calnexin homologue (Cne1p) of Saccharomyces cerevisiae was expressed in Escherichia coli to evaluate its chaperone function. The chaperone function was examined as to the effects on the suppression of thermal denaturation and the enhancement of refolding, using citrate synthase (CS) as a nonspecific chaperone subs...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvh074
更新日期:2004-05-01 00:00:00
abstract::We have previously developed a simple gene transfection procedure mediated by cationic lipid vesicles for animal cells, in which a commercially available cationic surfactant, dimethyldioctadecyl ammonium bromide (DDAB), was used for making lipid vesicles. In the present study, we examined enhancement of transfection e...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a022399
更新日期:1999-06-01 00:00:00
abstract::Heptic fibrosis/cirrhosis is a common hepatic disease characterized by the hyper-accumulation of connective tissue components, and hepatic necrosis. Chronic alcohol ingestion, viral infection, and metabolic disorders are contributing factors and there has been no effective treatment. Hepatocyte growth factor (HGF), or...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124958
更新日期:1995-09-01 00:00:00
abstract::This study aims to study the effects of intra-nuclear lncRNA MEG3 on the progression of prostate cancer and the underlying mechanisms. Expressions of relative molecules were detected by Quantitative real time PCR (qRT-PCR) and western blot. Chromatin immunoprecipitation and RNA immunoprecipitation (RIP) assays were us...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvz097
更新日期:2020-03-01 00:00:00
abstract::The technique of saturation transfer electron spin resonance has been applied to study the rotational diffusion of spin-labeled Ca2+, Mg2+-dependent ATPase molecules in the membranes of sarcoplasmic reticulum vesicles. Comparison of the present data with those for spin-labeled hemoglobin undergoing isotropic rotation ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a132099
更新日期:1978-07-01 00:00:00
abstract::Coenzyme A (CoASH) is an obligate cofactor for lipids undergoing beta-oxidation in peroxisomes. Although the peroxisomal membrane appears to be impermeable to CoASH, peroxisomes contain their own pool of CoASH. It is believed that CoASH enters peroxisomes as acyl-CoAs, but it is not known how this pool is regulated. T...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvn114
更新日期:2008-11-01 00:00:00
abstract::Acetohydroxy acid synthetase [EC 4.1.3.18] of Neurospora crassa has been solubilized from a mitochondrial pellet fraction by sonic treatment in 1.0 M potassium phosphate buffer at pH 7.5 containing 10 mM MgSO4 and centrifugation at 180,000 X g for 20 min. The soluble enzyme thus obtained has a high specific activity a...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:
更新日期:1975-01-01 00:00:00
abstract::Calmodulin-dependent protein kinase IV (CaM-kinase IV) kinase was recently discovered in the rat brain by its activity to activate the inactive recombinant CaM-kinase IV expressed in Escherichia coli [Okuno, S. and Fujisawa, H. (1993) J. Biochem. 114, 167-170]. In the present study, CaM-kinase IV kinase was purified a...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124617
更新日期:1994-10-01 00:00:00
abstract::Proteins in the brush border membrane (BBM) of the midgut binding to the insecticidal Cry1Ac toxin from Bacillus thuringiensis were investigated to examine the lower sensitivity of Bombyx mori to Cry1Ac, and new aminopeptidase N that bound to Cry1Ac was discovered. DEAE chromatography of Triton X-100-soluble BBM prote...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvj024
更新日期:2006-02-01 00:00:00
abstract::Terf/TRIM17 is a tripartite motif protein that has been originally isolated from testis. Terf has been characterized to exhibit an E3 ubiquitin ligase activity and to undergo self-ubiquitination. The cellular function of terf and its substrates, however, remain elusive. In the present study, we performed a yeast two-h...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvr128
更新日期:2012-02-01 00:00:00
abstract::The effect of ryanodine on the permeation of glucose, choline, and Ca2+ through the Ca2+ channel in sarcoplasmic reticulum vesicles was studied by means of the light scattering and/or the tracer method. Ryanodine had the same effect on the permeabilities of choline and Ca2+; low concentrations of ryanodine (10 microM)...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124047
更新日期:1993-03-01 00:00:00
abstract::Reverse transcriptases (RTs) from Moloney murine leukaemia virus (MMLV) and avian myeloblastosis virus (AMV) contain all the fingers, palm, thumb, connection and RNase H domains. The fingers, palm and thumb domains are thought to be involved in the reverse transcription activity, and the RNase H domain is in the RNase...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvn166
更新日期:2009-03-01 00:00:00
abstract::The kinetic specificities of BPN' and Carlsberg subtilisins [EC 3.4.21.14] were examined with various nucleus-substituted derivatives of Nalpha-acetylated aromatic amino acid methyl esters for mapping their hydrophobic binding sites in comparison with that of alpha-chymotrypsin. The Carlsberg enzyme was generally much...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a132157
更新日期:1978-09-01 00:00:00
abstract::The complete amino acid sequence of an active fragment of potato proteinase inhibitor IIa has been established by the Edman degradation procedure and the carboxypeptidase technique. Sequence analyses were carried out on the reduced and carboxymethylated active fragment and its tryptic peptides. To aid in the alignment...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a131081
更新日期:1976-02-01 00:00:00
abstract::To investigate the effect of plasminogen on cartilage catabolism, we assessed collagen degradation in rabbit articular cartilage explants treated with or without plasminogen and interleukin-1alpha (IL-1alpha). The combination of IL-1 alpha and plasminogen induced rapid collagen degradation, amounting to more than 60% ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a021739
更新日期:1997-07-01 00:00:00
abstract::A number of gene mutations are detected in cells derived from human cancer tissues, but roles of these mutations in cancer cell development are largely unknown. We examined G364R mutation of MCM4 detected in human skin cancer cells. Formation of MCM4/6/7 complex is not affected by the mutation. Consistent with this no...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvv015
更新日期:2015-06-01 00:00:00
abstract::cAMP and Ca2(+)-independent histone kinase was generated from rat liver plasma membrane in an ionic strength-dependent manner by the action of an endogenous trypsin-like protease (Hashimoto, E. et al. (1986) FEBS Lett. 200, 63-66). In addition to the effect of ionic strength, this proteolytic activation of protein kin...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a122961
更新日期:1989-12-01 00:00:00
abstract::MF-18, one of the monoclonal antibodies generated to chicken myosin, cross-reacted with rabbit skeletal myosin subfragment-1 (S1). Utilizing an improved procedure of immuno-blotting, a decrease in reactivity of MF-18 to S1 by trinitrophenylation was observed. This indicates that the reactive lysyl residue is very clos...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a134662
更新日期:1984-03-01 00:00:00
abstract::A partially purified fraction (Component I) which catalyzed the ATP-PPi exchange reaction dependent only on valine and glycine among the five constituent amino acids of gramicidin A was obtained from crude extracts of Bacillus brevis ATCC 8185, which produces both gramicidin A and tyrocidines. This fraction was found ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a131446
更新日期:1977-01-01 00:00:00
abstract::The gene coding for a Trichosanthes trypsin inhibitor analog (Ala-6-TTI) in which methionine at position 6 was replaced by alanine was synthesized chemically. The synthetic gene was cloned into plasmid pWR590-1 and expressed in Escherichia coli as a fusion protein composed of beta-galactosidase fragment of 590 amino a...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a123863
更新日期:1992-07-01 00:00:00
abstract::The mitogen-activated protein (MAP) kinase cascades play essential roles in a variety of cell processes by influencing transcriptional or translational regulation. ERKs play a central role in survival and mitogenic signaling, while JNKs and p38 MAP kinases are preferentially activated by environmental stresses and are...
journal_title:Journal of biochemistry
pub_type: 杂志文章,评审
doi:10.1093/jb/mvh134
更新日期:2004-09-01 00:00:00
abstract::The oleate (delta 9-18:1)/cis-vaccenate (delta 11-18:1) ratios in phospholipids increased in the order of normal liver, host liver and hepatoma in rats. The amount of oleate increased in phospholipids and decreased in triacylglycerol in the same order, whereas the distributions of cis-vaccenate among the major lipid c...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a121986
更新日期:1987-05-01 00:00:00
abstract::tRNA(guanosine-2'-)-methyltransferases (Gm-methylases) isolated from extreme thermophiles, Thermus thermophilus strains HB 27 and HB 8, methylate the 2'-OH of the G18 ribose of the GG sequence in the D loop of tRNA, by recognizing the D "loop-stem" structure as a minimal requirement. To examine the role of the consens...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a122933
更新日期:1989-11-01 00:00:00