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Showing 25 to 36 of 357 entries
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Partial Chemical and Physical Characterization of Two Extracellular Polysaccharides Produced by Marine, Periphytic Pseudomonas sp. Strain NCMB 2021.

Applied and environmental microbiology

Christensen BE, Kjosbakken J, Smidsrød O.
PMID: 16346916
Appl Environ Microbiol. 1985 Oct;50(4):837-45. doi: 10.1128/aem.50.4.837-845.1985.

The marine bacterium Pseudomonas sp. strain NCMB 2021, which can attach to solid, and especially hydrophobic, surfaces, elaborates two different extracellular polysaccharides in batch cultures. One (polysaccharide A) was produced only during exponential growth and contained glucose, galactose, glucuronic...

Purification and characterization of a pyruvated-mannose-specific xanthan lyase from heat-stable, salt-tolerant bacteria.

Applied and environmental microbiology

Ahlgren JA.
PMID: 16348550
Appl Environ Microbiol. 1991 Sep;57(9):2523-8. doi: 10.1128/aem.57.9.2523-2528.1991.

A xanthanase complex secreted by a consortium of heat-stable, salt-tolerant bacteria includes a lyase that specifically removes terminal pyruvated beta-d-mannose residues from the side chains of xanthan gum. The enzyme was purified to homogeneity from the culture broth following...

Composition and partial structure characterization of tremella polysaccharides.

Mycobiology

Khondka P.
PMID: 23983549
Mycobiology. 2009 Dec;37(4):286-94. doi: 10.4489/MYCO.2009.37.4.286. Epub 2009 Dec 31.

Heteropolysaccharides isolated from liquid cultures of nine Tremella species contained 0.3 to 1.2% protein, 2.7 to 5% ash, 0.9 to 3.4% acetyl groups, 76.5 to 84.2% carbohydrates and trace amounts of starch. The polysaccharides in aqueous solution were slightly...

Enzymatic deconstruction of xylan for biofuel production.

Global change biology. Bioenergy

Dodd D, Cann IK.
PMID: 20431716
Glob Change Biol Bioenergy. 2009 Feb 18;1(1):2-17. doi: 10.1111/j.1757-1707.2009.01004.x.

The combustion of fossil-derived fuels has a significant impact on atmospheric carbon dioxide (CO(2)) levels and correspondingly is an important contributor to anthropogenic global climate change. Plants have evolved photosynthetic mechanisms in which solar energy is used to fix...

NMR spectroscopy evaluation of direct relationship between soils and molecular composition of red wines from Aglianico grapes.

Analytica chimica acta

Mazzei P, Francesca N, Moschetti G, Piccolo A.
PMID: 20599031
Anal Chim Acta. 2010 Jul 19;673(2):167-72. doi: 10.1016/j.aca.2010.06.003. Epub 2010 Jun 09.

(1)H NMR spectroscopy was employed to investigate the molecular quality of Aglianico red wines from the Campania region of Italy. The wines were obtained from three different Aglianico vineyards characterized by different microclimatic and pedological properties. In order to...

Disaggregation of Methanosarcina spp. and Growth as Single Cells at Elevated Osmolarity.

Applied and environmental microbiology

Sowers KR, Boone JE, Gunsalus RP.
PMID: 16349092
Appl Environ Microbiol. 1993 Nov;59(11):3832-9. doi: 10.1128/aem.59.11.3832-3839.1993.

The effect of medium osmolarity on the morphology and growth of Methanosarcina barkeri, Methanosarcina thermophila, Methanosarcina mazei, Methanosarcina vacuolata, and Methanosarcina acetivorans was examined. Each strain was adapted for growth in NaCl concentrations ranging from 0.05 to 1.0 M....

Production, characterization and biological activities of acidic exopolysaccharide from marine Bacillus amyloliquefaciens 3MS 2017.

Asian Pacific journal of tropical medicine

El-Newary SA, Ibrahim AY, Asker MS, Mahmoud MG, El Awady ME.
PMID: 28870341
Asian Pac J Trop Med. 2017 Jul;10(7):652-662. doi: 10.1016/j.apjtm.2017.07.005. Epub 2017 Jul 28.

OBJECTIVE: To evaluate in-vitro antioxidant, anti-inflammatory and antitumor abilities against human breast adenocarcinoma (MCF7) and human prostate cancer (PC3) as well as the suppressor effect of bacterial exopolysaccharide (BAEPS) on Ehrlich ascites carcinoma (EAC).METHODS: In-vitro antioxidants characters of BAEPS...

Structure and Function of Stony Coral Intraskeletal Polysaccharides.

ACS omega

Naggi A, Torri G, Iacomini M, Colombo Castelli G, Reggi M, Fermani S, Dubinsky Z, Goffredo S, Falini G.
PMID: 30221225
ACS Omega. 2018 Mar 31;3(3):2895-2901. doi: 10.1021/acsomega.7b02053. Epub 2018 Mar 09.

Polysaccharides represent a main weight fraction of the intraskeletal organic matrix of corals, but their structure, as well as their function in the calcification process, has been poorly investigated. This communication shows by a combination of techniques (nuclear magnetic...

Optimization of microwave-assisted extraction of Sargassum thunbergii polysaccharides and its antioxidant and hypoglycemic activities.

Carbohydrate polymers

Ren B, Chen C, Li C, Fu X, You L, Liu RH.
PMID: 28732858
Carbohydr Polym. 2017 Oct 01;173:192-201. doi: 10.1016/j.carbpol.2017.05.094. Epub 2017 Jun 03.

In the present work, optimization of microwave-assisted extraction of polysaccharides from Sargassum thunbergii was investigated. The physicochemical properties, structural characteristics, and in vitro antioxidant and hypoglycemic activities were determined. The optimal extraction conditions with a yield of 2.84±0.09% for...

Polysaccharides Cell Wall Architecture of Mucorales.

Frontiers in microbiology

Lecointe K, Cornu M, Leroy J, Coulon P, Sendid B.
PMID: 30941108
Front Microbiol. 2019 Mar 19;10:469. doi: 10.3389/fmicb.2019.00469. eCollection 2019.

Invasive fungal infections are some of the most life-threatening infectious diseases in the hospital setting. In industrialized countries, the most common fungal species isolated from immunocompromised patients are

Extension and validation of the GLYCAM force field parameters for modeling glycosaminoglycans.

Canadian journal of chemistry

Singh A, Tessier MB, Pederson K, Wang X, Venot AP, Boons GJ, Prestegard JH, Woods RJ.
PMID: 28603292
Can J Chem. 2016 Nov;94(11):927-935. doi: 10.1139/cjc-2015-0606. Epub 2016 Feb 09.

Glycosaminoglycans (GAGs) are an important class of carbohydrates that serve critical roles in blood clotting, tissue repair, cell migration and adhesion, and lubrication. The variable sulfation pattern and iduronate ring conformations in GAGs influence their polymeric structure and nature...

Molecular and rheological characterization of different cell wall fractions of Porphyridium cruentum.

Carbohydrate polymers

Bernaerts TMM, Kyomugasho C, Van Looveren N, Gheysen L, Foubert I, Hendrickx ME, Van Loey AM.
PMID: 29805010
Carbohydr Polym. 2018 Sep 01;195:542-550. doi: 10.1016/j.carbpol.2018.05.001. Epub 2018 May 02.

Cell wall related polysaccharides of the red microalga Porphyridium sp. were shown to be a promising source of new sustainable thickening agents. Isolated extracellular polysaccharides (EPS) consisted of high molecular weight polymers, showing a higher intrinsic viscosity compared to...

Showing 25 to 36 of 357 entries