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Helena Lind et al.
FEMS microbiology letters, 271(2), 310-315 (2007-04-26)
Antifungal compounds from cultures of five type strains of dairy propionibacteria, as well as from the cultivation medium, were studied. Cell-free supernatants and medium were fractionated by C(18) solid phase extraction. The aqueous 95% acetonitrile fractions were analyzed by GC-MS
Patrycja Puchalska et al.
Electrophoresis, 31(9), 1517-1520 (2010-04-28)
A new chiral stationary phase based on continuous bed (CB) technology using L-prolinamide as a chiral selector was prepared. Its ability for enantioseparation of amino acids and alpha-hydroxy acids by ligand-exchange CEC was compared with that of a CB containing
Emanuele Armaforte et al.
Journal of chromatography. A, 1131(1-2), 281-284 (2006-09-12)
Phenyllactic acid (PLA) is an organic acid produced by some strains of lactic acid bacteria (LAB) and concentrations higher than 7.5 mg/ml inhibit growth of moulds and yeasts. Since PLA can be used to select LAB, a rapid, simple and
Controllably degradable ?-sheet nanofibers and gels from self-assembling depsipeptides.
Tian YF, et al
Biomaterials Science, 1(10), 1037-1045 (2013)
Ganapati D Yadav et al.
Applied microbiology and biotechnology, 96(1), 69-79 (2012-06-05)
Lipase catalyzed kinetic resolution of DL-(±)-3-phenyllactic acid (DL-(±)-3-PLA) was investigated to study the synergistic effect of microwave irradiation and enzyme catalysis. Lipases from different sources were employed for the transesterification of DL-(±)-3-PLA under otherwise similar conditions, among which Novozyme 435
Danilo Christen et al.
Journal of agricultural and food chemistry, 53(18), 7043-7051 (2005-09-01)
Eutypine, 4-hydroxybenzaldehyde, and 3-phenyllactic acid are some of the phytotoxins produced by the pathogens causing Eutypa dieback and esca disease, two trunk diseases of grapevine (Vitis vinifera). Known biocontrol agents such as Fusarium lateritium and Trichoderma sp. were screened for
M M Finney et al.
Journal of chromatography. A, 1066(1-2), 249-253 (2005-03-30)
Accurate and reproducible methods for the analysis of plant allelochemicals are a requirement for the study of chemical interactions between plants. This paper describes a method for sample preparation and quantitative analysis of the allelopathic chemical content of rye (Secale
H Peck et al.
Clinica chimica acta; international journal of clinical chemistry, 94(3), 237-240 (1979-06-15)
The urine of untreated phenylketonurics in the first weeks of life contains gamma-glutamylphenylalanine (0.07--0.69 mmol/g creatinine, 12 samples) visible on the normal 2-dimensional electrophoreto-chromatogram. This compound is less prominent or absent when urine from older untreated phenylketonurics is examined and
Mariana-Carmen Chifiriuc et al.
Roumanian archives of microbiology and immunology, 68(1), 27-33 (2009-06-11)
The discovery of intra- and intercellular communication systems (quorum sensing systems) regulating bacterial virulence has afforded a novel opportunity to control infectious bacteria, without interfering with their growth. In this study, we investigated the ability of subinhibitory concentrations (sIC) of
C L Gerez et al.
Journal of food science, 75(6), M354-M359 (2010-08-21)
The effect of lactic acid bacteria (LAB) on pathogenic fungi was evaluated and the metabolites involved in the antifungal effect were characterized. Penicillium digitatum (INTA 1 to INTA 7) and Geotrichum citri-aurantii (INTA 8) isolated from decayed lemon from commercial
Jianghua Jia et al.
Applied biochemistry and biotechnology, 162(1), 242-251 (2009-09-24)
Two DNA fragments containing the entire coding sequences of lactate dehydrogenase (LDH; ldhL1 and ldhD), whose enzymes have high activity for bioconversion of phenylpyruvate (PPA) to phenyllactate (PLA), were amplified from Lactobacillus plantarum SK002 using PCR. Sequencing showed open reading
Wanmeng Mu et al.
Applied microbiology and biotechnology, 95(5), 1155-1163 (2012-07-12)
3-Phenyllactic acid (PLA), which is an organic acid widely existing in honey and lactic acid bacteria fermented food, can be produced by many microorganisms, especially lactic acid bacteria. It was proved as an ideal antimicrobial compound with broad and effective
Wanmeng Mu et al.
Bioresource technology, 100(21), 5226-5229 (2009-06-09)
3-Phenyllactic acid (PLA), which is produced by some strains of lactic acid bacteria (LAB), is a known antimicrobial agent with a broad spectrum. Batch and fed-batch fermentation by the strain Lactobacillus sp. SK007 for PLA production have been reported. With
Ling Li et al.
Molecular cell, 80(3), 525-540 (2020-10-18)
Well-balanced and timed metabolism is essential for making a high-quality egg. However, the metabolic framework that supports oocyte development remains poorly understood. Here, we obtained the temporal metabolome profiles of mouse oocytes during in vivo maturation by isolating large number of
Demao Li et al.
Se pu = Chinese journal of chromatography, 22(3), 281-283 (2005-02-17)
Various factors affecting the chiral resolution of 3-phenyllactic acid by capillary zone electrophoresis such as the type of cyclodextrin, concentration of the chiral selector, buffer pH, voltage, and temperature were studied and optimized. Using 30 mmol/L hydroxypropyl-beta-cyclodextrin as the chiral
T L Perry et al.
Clinica chimica acta; international journal of clinical chemistry, 117(1), 7-12 (1981-11-25)
Cystinylglycine, recently identified as a normal small peptide in human plasma, has diagnostic importance for several genetically determined disorders. We found cystinylglycine absent from the plasma of a patient with pyroglutamic acidemia, and the peptide was either absent or greatly
Wanmeng Mu et al.
Biotechnology letters, 34(5), 907-911 (2012-01-21)
The gene coding for D-lactate dehydrogenase (D-LDH) from Pediococcus acidilactici DSM 20284 was cloned and expressed in E. coli. The recombinant enzyme was purified by nickel-affinity chromatography. It converted phenylpyruvic acid (PPA) to 3-phenyllactic acid maximally at 30°C and pH
Mariana-Carmen Chifiriuc et al.
Roumanian archives of microbiology and immunology, 68(1), 34-37 (2009-06-11)
The discovery of communication systems regulating bacterial virulence has afforded a novel opportunity to control infectious bacteria without interfering with their growth. In this paper the authors describe the effect of subinhibitory concentrations of phenyl-lactic acid (PLA) on the pathogenicity
Katrin Ström et al.
FEMS microbiology letters, 246(1), 119-124 (2005-05-05)
The fungal inhibitory effects of strain Lactobacillus plantarum MiLAB 393, producing broad-spectrum antifungal compounds, were evaluated. A co-cultivation method was set up to monitor effects on fungal growth and protein expression of growing Aspergillus nidulans with L. plantarum MiLAB 393.
Xingfeng Li et al.
Journal of agricultural and food chemistry, 56(7), 2392-2399 (2008-03-13)
Phenyllactic acid (PLA) is a novel antimicrobial compound synthesized by lactic acid bacteria (LAB), and its production from phenylpyruvic acid (PPA) is an effective approach. In this work, a lactate dehydrogenase (LDH), which catalyzes the reduction of PPA to PLA
Dora Ndagano et al.
Journal of food science, 76(6), M305-M311 (2011-07-07)
In the present study, a total of 116 lactic acid bacteria (LAB) strains isolated from Mill flour and fermented cassava were screened for their antifungal activity. Three strains among 116 were selected for their strongest inhibitory activity against food molds.
Soumen K Manna et al.
Journal of proteome research, 10(9), 4120-4133 (2011-07-14)
Since the development and prognosis of alcohol-induced liver disease (ALD) vary significantly with genetic background, identification of a genetic background-independent noninvasive ALD biomarker would significantly improve screening and diagnosis. This study explored the effect of genetic background on the ALD-associated
Ye F Tian et al.
Biomaterials science, 1(10) (2013-11-14)
Self-assembled peptide materials have received considerable interest for a range of applications, including 3D cell culture, tissue engineering, and the delivery of cells and drugs. One challenge in applying such materials within these areas has been the extreme stability of
L H Elvers et al.
Journal of inherited metabolic disease, 30(4), 609-609 (2007-06-19)
Neonatal screening for congenital disorders like phenylketonuria (PKU), congenital hypothyroidism (CH) and congenital adrenal hyperplasia (CAH) is generally performed in dried blood spots on filter paper. The analytes of interest for testing for PKU, CH and CAH are phenylalanine, thyrotropin
Plasma concentrations of phenyllactic acid in phenylketonuria.
P C Clemens et al.
Journal of inherited metabolic disease, 13(2), 227-228 (1990-01-01)
Shuhuai Yu et al.
Bioscience, biotechnology, and biochemistry, 76(4), 853-855 (2012-04-10)
D-Lactate dehydrogenase (D-LDH) from Pediococcus pentosaceus ATCC 25745 was found to produce D-3-phenyllactic acid from phenylpyruvate. The optimum pH and temperature for enzyme activity were pH 5.5 and 45 °C. The Michaelis-Menten constant (K(m)), turnover number (k(cat)), and catalytic efficiency
E Mönch et al.
European journal of pediatrics, 149 Suppl 1, S17-S24 (1990-01-01)
In the course of the collaborative study of children treated for PKU, urine samples from a total of 165 patients were analysed at six different times: in the newborn period before onset of therapy, after beginning of dietary management, during
Alemu Tekewe et al.
Talanta, 75(1), 239-245 (2008-03-29)
Sensitive and specific, high-performance liquid chromatography (HPLC) methods have been developed and validated for linearity, accuracy and precision for the quantification of dl-3-phenyllactic acid, dl-O-acetyl-3-phenyllactic acid and (+/-)-mexiletine acetamide enantiomers. Chromatographic separations were performed on a Chiralcel OJ-H column (0.46
Liam Anthony Matthew Ryan et al.
Journal of agricultural and food chemistry, 57(3), 1060-1064 (2009-01-14)
In this study, high-resolution gas chromatography-mass spectrometry (HRGC-MS) was successfully used to quantify the level of phenyllactic acid produced by Lactobacillus plantarum strains during sourdough fermentation. Investigation of samples collected during fermentation revealed that the production of phenyllactic acid occurs
M Lakshmi Prasuna et al.
Microbiological research, 167(9), 526-531 (2012-04-13)
A phototrophic bacterium (Rubrivivax benzoatilyticus JA2) grows at the expense of L-phenylalanine as sole source of nitrogen but not as carbon source. Near stoichiometric yields of L-phenylpyruvic acid (0.4 mM) and L-phenyllactate (0.4 mM) were observed from L-phenylalanine (0.9 mM
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