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Showing 1-30 of 40 results for "A7005" within Papers
C G Cheong et al.
Proteins, 21(2), 105-117 (1995-02-01)
Sweet potato beta-amylase is a tetramer of identical subunits, which are arranged to exhibit 222 molecular symmetry. Its subunit consists of 498 amino acid residues (Mr 55,880). It has been crystallized at room temperature using polyethylene glycol 1500 as precipitant.
Magdalena Gamm et al.
Molecular plant-microbe interactions : MPMI, 24(9), 1061-1073 (2011-06-09)
The oomycete Plasmopara viticola is responsible for downy mildew, a severe grapevine disease. In infected grapevine leaves, we have observed an abnormal starch accumulation at the end of the dark period, suggesting modifications in starch metabolism. Therefore, several complementary approaches
Claudinéia Aparecida Soares et al.
Journal of agricultural and food chemistry, 59(12), 6672-6681 (2011-05-20)
Different banana cultivars were used to investigate the influences of starch granule structure and hydrolases on degradation. The highest degrees of starch degradation were observed in dessert bananas during ripening. Scanning electron microscopy images revealed smooth granule surface in the
Mechanisms of enzymatic glycosyl transfer
Comprehensive Natural Products II (2010)
Nobuhiko Muramoto et al.
Plant cell reports, 31(6), 987-997 (2012-01-04)
Black rot of sweet potato caused by pathogenic fungus Ceratocystis fimbriata severely deteriorates both growth of plants and post-harvest storage. Antimicrobial peptides from various organisms have broad range activities of killing bacteria, mycobacteria, and fungi. Plant thionin peptide exhibited anti-fungal
E S Davidiants
Prikladnaia biokhimiia i mikrobiologiia, 47(5), 530-536 (2012-01-12)
Influence of the aleanolic acid glycosides from Silphium perfoliatum L. (silphioside B, C, E and G) and their progenins on the amylase activity and total protein content in wheat seedlings was studied. Treatment of the Triticum aestivum L. seeds with
Heike Reinhold et al.
The Plant cell, 23(4), 1391-1403 (2011-04-14)
Plants contain β-amylase-like proteins (BAMs; enzymes usually associated with starch breakdown) present in the nucleus rather than targeted to the chloroplast. They possess BRASSINAZOLE RESISTANT1 (BZR1)-type DNA binding domains--also found in transcription factors mediating brassinosteroid (BR) responses. The two Arabidopsis
Déborah LeCorre et al.
Biomacromolecules, 13(1), 132-137 (2011-12-03)
Starch nanocrystals (SNCs) are crystalline platelets resulting from the acid hydrolysis of starch. A limiting factor for their more widespread use is their preparation duration. Therefore, this study investigates the possibility of developing an enzymatic pretreatment of starch to reduce
V P Netsvetaev et al.
Genetika, 48(2), 168-174 (2012-05-10)
The polymorphism of winter common wheat with respect to β-amylase isoenzymes has been analyzed using electrophoresis in polyacrylamide gel (PAAG) buffered with a Tris-glycine system (pH 8.3). Seven β-amylase isoenzymes have been found in wheat cultivars and the breeding stock.
Xin Li et al.
Journal of industrial microbiology & biotechnology, 38(11), 1837-1843 (2011-04-21)
A moderately halophilic strain LY9 with high amylolytic activity was isolated from soil sample obtained from Yuncheng, China. Biochemical and physiological characterization along with 16S rRNA sequence analysis placed the isolate in the genus Halobacillus. Amylase production started from the
Tadessa Daba et al.
Enzyme and microbial technology, 51(5), 245-251 (2012-09-15)
The kinetic and thermodynamic parameters of wheat β-amylase (WBA) were characterized and various additives were evaluated for enhancing its activity and thermostability. WBA activity was examined by neocuproine method using soluble starch as substrate. The Michaelis constant (K(m)) and molecular
Benjamin C M Pang et al.
Journal of forensic sciences, 53(5), 1117-1122 (2008-07-22)
The RSID-saliva test and the SALIgAE-saliva test are two recently developed forensic saliva detection kits. In this study, we compared the sensitivity and the specificity of the two test kits with the Phadebas amylase test by analyzing amylases from various
Huiling Zhang et al.
FEBS letters, 587(6), 749-755 (2013-02-12)
The modulation of the activity of enzymes associated with carbohydrate metabolism is important for potato cold-induced sweetening (CIS). A novel RING finger gene SbRFP1 was cloned and its expression was found to be cold-inducible in potato tubers of the CIS-resistant
Jian-Chau Luo et al.
FEBS letters, 586(6), 680-685 (2012-03-28)
Fibril formation has been considered a significant feature of amyloid proteins. However, it has been proposed that fibril formation is a common property of many proteins under appropriate conditions. We studied the fibril formation of β-amylase, a non-amyloid protein rich
Xin Li et al.
FEMS microbiology letters, 329(2), 204-211 (2012-02-14)
A halophilic isolate Salimicrobium halophilum strain LY20 producing extracellular amylase and protease was isolated from Yuncheng, China. Production of both enzymes was synchronized with bacterial growth and reached a maximum level during the early-stationary phase. The amylase and protease were
Erika Fazekas et al.
Biochimica et biophysica acta, 1834(10), 1976-1981 (2013-07-09)
β-Amylase (EC 3.2.1.2), one of the main protein of the sweet potato, is an exo-working enzyme catalyzing the hydrolysis of α(1,4) glycosidic linkages in polysaccharides and removes successively maltose units from the non-reducing ends. The enzyme belongs to glycoside hydrolase
William R L Anderegg et al.
Plant physiology, 159(4), 1866-1874 (2012-06-06)
Drought impacts on forests, including widespread die-off, are likely to increase with future climate change, although the physiological responses of trees to lethal drought are poorly understood. In particular, in situ examinations of carbon starvation and its interactions with and
Ambarish Nag et al.
BMC systems biology, 5, 94-94 (2011-06-21)
Higher plants and algae are able to fix atmospheric carbon dioxide through photosynthesis and store this fixed carbon in large quantities as starch, which can be hydrolyzed into sugars serving as feedstock for fermentation to biofuels and precursors. Rational engineering
Richard Sicher
Plant science : an international journal of experimental plant biology, 181(2), 167-176 (2011-06-21)
Metabolites and stress related transcripts were measured in Arabidopsis thaliana in response to chilling temperatures. Rates of carbon assimilation increased 17% on average in response to cold treatment. Sucrose, glucose and fructose accumulation consumed 42% of the carbon from A
Sonja Rentzsch et al.
Planta, 235(1), 137-151 (2011-08-23)
Gibberellins (GA) are involved in bud dormancy release in several species. We show here that GA-treatment released bud dormancy, initiated bud sprouting and promoted sprout growth of excised potato tuber bud discs ('eyes'). Monoterpenes from peppermint oil (PMO) and S-(+)-carvone
Bradford Craigen et al.
The open microbiology journal, 5, 21-31 (2011-07-16)
Staphylococcus aureus, a versatile human pathogen, is commonly associated with medical device infections. Its capacity to establish and maintain these infections is thought to be related to its ability to form adherent biofilms. In this study, commercially available α-amylase compounds
Curtis R Luckett et al.
Journal of agricultural and food chemistry, 60(18), 4751-4757 (2012-04-25)
Retrograded amylose is resistant to digestion by amylolytic enzymes, which is known as resistant starch type III (RS3). In this study we investigated the effect of β-amylase hydrolysis on the formation and physicochemical properties of RS3 from debranched corn starches.
Effect of cross-linking on the resistance to enzymatic hydrolysis of waxy maize starch and low-methoxy pectin
Khondkar D, et al.
Food Hydrocolloids, 23(2), 387-393 (2009)
Jaroslava Ovesná et al.
PloS one, 7(7), e41886-e41886 (2012-08-04)
Reverse transcription coupled with real-time quantitative PCR (RT-qPCR) is a frequently used method for gene expression profiling. Reference genes (RGs) are commonly employed to normalize gene expression data. A limited information exist on the gene expression and profiling in developing
Wenzhi Zhou et al.
Scientific reports, 7(1), 9863-9863 (2017-08-31)
Regulation of storage root development by source strength remains largely unknown. The cassava storage root delay (srd) T-DNA mutant postpones storage root development but manifests normal foliage growth as wild-type plants. The SRD gene was identified as an orthologue of
Jun Li et al.
Molecular plant-microbe interactions : MPMI, 24(10), 1165-1178 (2011-06-09)
Microbial volatiles promote the accumulation of exceptionally high levels of starch in leaves. Time-course analyses of starch accumulation in Arabidopsis leaves exposed to fungal volatiles (FV) emitted by Alternaria alternata revealed that a microbial volatile-induced starch accumulation process (MIVOISAP) is
Xin Qi et al.
Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques, 14(1), 60-66 (2011-04-20)
β-Limit dextrin has been studied for many years as a means to investigate the internal structures of amylose and amylopectin. However its role as an excipient in the pharmaceutical industry has never been reported. This paper is the first one
Flemming H Larsen et al.
Carbohydrate polymers, 97(2), 502-511 (2013-08-06)
Hydration of granular, gelatinized and molecularly modified states of potato starch in terms of molecular mobility were analyzed by (13)C and (31)P solid-state MAS NMR. Gelatinization (GEL) tremendously reduced the immobile fraction compared to native (NA) starch granules. This effect
Leonid Kaprelyants et al.
Journal of the science of food and agriculture, 93(14), 3611-3616 (2013-07-31)
Bran, being a by-product of grain grinding, is characterised by a high biological value and is thus widely used in food production. In this study, different streams of bran and shorts from the wheat graded milling process were incorporated into
Tomojiro Koide et al.
Bioscience, biotechnology, and biochemistry, 75(4), 793-796 (2011-04-23)
Four putative β-amylase genes found in the Oryza sativa cDNA sequence database (KOME) were expressed in Escherichia coli. Recombinant proteins from two of these genes showed β-amylase activity. Similarly to β-amylases from other plants, the optimum pH of the recombinant
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