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Showing 1 to 12 of 63 entries
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Binary toxin producing Clostridium difficile strains.

Anaerobe

Rupnik M, Grabnar M, Geric B.
PMID: 16887714
Anaerobe. 2003 Dec;9(6):289-94. doi: 10.1016/j.anaerobe.2003.09.002.

Clostridium difficile produces three toxins, TcdA, TcdB and CDT. TcdA and TcdB are single-stranded molecules acting as glucosyltransferases specific for small GTPases. CDT is an actin specific ADP-ribosylating binary toxin characteristically composed of two independent components, enzymatic CDTa (48...

Insoluble Glucan Formation by Leuconostoc mesenteroides B-1355.

Applied and environmental microbiology

Zahnley JC, Smith MR.
PMID: 16534961
Appl Environ Microbiol. 1995 Mar;61(3):1120-3. doi: 10.1128/aem.61.3.1120-1123.1995.

Leuconostoc mesenteroides B-1355 produced at least three glucosyltransferases (GTFs). We previously identified GTF-2 as alternansucrase and GTF-3 as fraction L dextransucrase. We here show that GTF-1 is a previously unreported sucrase that synthesized water-insoluble dextran. Our evidence consisted of...

Glucosyltransferase from Streptococcus sobrinus Catalyzes Glucosylation of Catechin.

Applied and environmental microbiology

Nakahara K, Kontani M, Ono H, Kodama T, Tanaka T, Ooshima T, Hamada S.
PMID: 16535083
Appl Environ Microbiol. 1995 Jul;61(7):2768-70. doi: 10.1128/aem.61.7.2768-2770.1995.

We previously showed that the polymeric forms of polyphenols present in oolong tea extract exhibited strong inhibitory activities against glucosyltransferases (GTases) of mutans streptococci, while green tea extract, which is rich in catechins, did not show such GTase-inhibitory activities....

Streptococcus gordonii glucosyltransferase promotes biofilm interactions with Candida albicans.

Journal of oral microbiology

Ricker A, Vickerman M, Dongari-Bagtzoglou A.
PMID: 24490004
J Oral Microbiol. 2014 Jan 29;6. doi: 10.3402/jom.v6.23419. eCollection 2014.

BACKGROUND: Candida albicans co-aggregates with Streptococcus gordonii to form biofilms and their interactions in mucosal biofilms may lead to pathogenic synergy. Although the functions of glucosyltransferases (Gtf) of Mutans streptococci have been well characterized, the biological roles of these...

Inactivation of UDP-Glucose Sterol Glucosyltransferases Enhances .

Frontiers in plant science

Castillo N, Pastor V, Chávez Á, Arró M, Boronat A, Flors V, Ferrer A, Altabella T.
PMID: 31611892
Front Plant Sci. 2019 Sep 27;10:1162. doi: 10.3389/fpls.2019.01162. eCollection 2019.

Free and glycosylated sterols are both structural components of the plasma membrane that regulate their biophysical properties and consequently different plasma membrane-associated processes such as plant adaptation to stress or signaling. Several reports relate changes in glycosylated sterols levels...

Identification, Molecular Cloning, and Functional Characterization of a Wheat UDP-Glucosyltransferase Involved in Resistance to Fusarium Head Blight and to Mycotoxin Accumulation.

Frontiers in plant science

Gatti M, Choulet F, Macadré C, Guérard F, Seng JM, Langin T, Dufresne M.
PMID: 30619419
Front Plant Sci. 2018 Dec 13;9:1853. doi: 10.3389/fpls.2018.01853. eCollection 2018.

Plant uridine diphosphate (UDP)-glucosyltransferases (UGT) catalyze the glucosylation of xenobiotic, endogenous substrates and phytotoxic agents produced by pathogens such as mycotoxins. The

Enzymatic approaches for profiling cytosine methylation and hydroxymethylation.

Molecular metabolism

Wang T, Loo CE, Kohli RM.
PMID: 34375743
Mol Metab. 2021 Aug 08;101314. doi: 10.1016/j.molmet.2021.101314. Epub 2021 Aug 08.

BACKGROUND: In mammals, modifications to cytosine bases, particularly in cytosine-guanine (CpG) dinucleotide contexts, play a major role in shaping the epigenome. The canonical epigenetic mark is 5-methylcytosine (5mC), but oxidized versions of 5mC, including 5-hydroxymethylcytosine (5hmC), are now known...

Identification and characterization of unique 5-hydroxyisoflavonoid biosynthetic key enzyme genes in Lupinus albus.

Plant cell reports

Liu J, Jiang W.
PMID: 34851457
Plant Cell Rep. 2021 Dec 01; doi: 10.1007/s00299-021-02818-x. Epub 2021 Dec 01.

KEY MESSAGE: 5-Hydroxyisoflavonoids, no 5-deoxyisoflavonoids, in Lupinus species, are due to lack of CHRs and Type II CHIs, and the key enzymes of isoflavonoid biosynthetic pathway in white lupin were identified. White lupin (Lupinus albus) is used as food...

A comprehensive review on mutan (a mixed linkage of α-1-3 and α-1-6 glucans) from bacterial sources.

Biotechnology & genetic engineering reviews

Boddapati S, Gummadi SN.
PMID: 34816783
Biotechnol Genet Eng Rev. 2021 Oct;37(2):208-237. doi: 10.1080/02648725.2021.2003072. Epub 2021 Nov 24.

Mutan is an extracellular sticky polymer having α-1-3 and α-1-6 glycosidic linkages with a large diversity in molecular weights and structures depending on the source. These compounds are reported to be highly thermostable and also have potential physiochemical and...

OsABAR1, a novel GRAM domain-containing protein, confers drought and salt tolerance via an ABA-dependent pathway in rice.

Plant physiology and biochemistry : PPB

Zheng C, Zhou J, Zhang F, Yin J, Zhou G, Li Y, Chen F, Xie X.
PMID: 32416343
Plant Physiol Biochem. 2020 May 06;152:138-146. doi: 10.1016/j.plaphy.2020.04.032. Epub 2020 May 06.

Glucosyltransferases-like GTPase activators and Myotubularin (GRAM) domain-containing proteins are important for plant development and responses to biotic stresses. However, the effects of GRAM proteins on abiotic stress responses remain unclear. In this study, we identified a novel GRAM protein-encoding...

Knockdown of Uridine Diphosphate Glucosyltransferase 86Dg Enhances Susceptibility of Tribolium castaneum (Coleoptera: Tenebrionidae) to Artemisia vulgaris (Asterales: Asteraceae) Essential Oil.

Journal of economic entomology

Gao S, Sun H, Zhang J, Zhang Y, Sun P, Shang J, Zhang K, Li R.
PMID: 34546358
J Econ Entomol. 2021 Dec 06;114(6):2553-2561. doi: 10.1093/jee/toab182.

Uridine diphosphate glucosyltransferases (UGTs), which are phase II detoxification enzymes, are found in various organisms. These enzymes play an important role in the detoxification mechanisms of plant allelopathy and in insects. Artemisia vulgaris L. (Asterales: Asteraceae: Artemisia) essential oil...

[Characterization and identification of Lactobacillus fermentum 4,6-α-glucosyltransferase and its products].

Sheng wu gong cheng xue bao = Chinese journal of biotechnology

Sheng L, Yang W, Wu J, Chen S.
PMID: 34984881
Sheng Wu Gong Cheng Xue Bao. 2021 Dec 25;37(12):4363-4372. doi: 10.13345/j.cjb.200788.

4,6-α-glucosyltransferases (4,6-α-GTs), which converts amylose into α(1-6) bonds-containing α-glucan, possesses great application potential in enzymatic synthesis of dietary fiber. Primers were designed according to the conserved motifs existing in the amino acid sequence of 4,6-α-GTs, and used to amplify...

Showing 1 to 12 of 63 entries