a type of polymer of fructose, present in certain fruits
Examples of 'fructan' in a sentence
fructan
Fructan accumulation occurred during vegetative growth until flowering.
Camila Silva dos Santos, Cinara Ferreira Abraão, Moemy Gomes de Moraes 2017, 'Fructan dynamics in the underground organs of Chresta exsucca (Asteraceae), a dryseason flowering species', Acta Botânica Brasílicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017005007105&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both species show considerable differences in the regulation of fructan catabolism.
Georg Conrads, Johannes J. de Soet, Lifu Song, Karsten Henne, Helena Sztajer, IreneWagner-Döbler, An-Ping Zeng 2014, 'Comparing the cariogenic species Streptococcus sobrinus and S. mutans on whole genomelevel', Journal of Oral Microbiologyhttp://www.journaloforalmicrobiology.net/index.php/jom/article/download/26189/37280. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Previously it was shown that a phosphatase and a general kinase inhibitor hamper fructan accumulation.
Tita Ritsema, David Brodmann, Sander H Diks, Carina L Bos, Vinay Nagaraj, Corné MJ Pieterse, Thomas Boller, Andres Wiemken, Maikel P Peppelenbosch 2009, 'Are small GTPases signal hubs in sugar-mediated induction of fructan biosynthesis?',PLoS ONEhttp://europepmc.org/articles/PMC2720452?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Fructan mobilization was prominent during resprouting until the beginning of vegetative growth.
Camila Silva dos Santos, Cinara Ferreira Abraão, Moemy Gomes de Moraes 2017, 'Fructan dynamics in the underground organs of Chresta exsucca (Asteraceae), a dryseason flowering species', Acta Botânica Brasílicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017005007105&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Expression analysis reveals that fructan enzymes are controlled mainly at the transcriptional level.
Wim Van den Ende, An Michiels, Joke De Roover, Andrea Van Laere 2002, 'Fructan Biosynthetic and Breakdown Enzymes in Dicots Evolved From Different Invertases.Expression of Fructan Genes Throughout Chicory Development', The Scientific World Journalhttp://dx.doi.org/10.1100/tsw.2002.288. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Under drought, the fructan proportion changed, depending on genotype and developmental stages.
Jingjuan eZhang, Wei eChen, Bernard eDell, Rudy eVergauwen, Xinmin eZhang, Jorge eMayer,Wim eVan den Ende 2015, 'Wheat genotypic variation in dynamic fluxes of WSC components in different stem segmentsunder drought during grain filling', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2015.00624/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Levansucrases are bacterial enzymes which produce fructan polymers from sucrose via hydrolysis and transfructosylation activities.
Bahar BAKAR, Burcu KAPLAN-TÜRKÖZ 2017, 'Structural Modelling and Structure-Function Analysis of Zymomonas mobilis Levansucrase',Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisihttp://dergipark.ulakbim.gov.tr/sdufenbed/article/view/5000209966. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Based on the experimental data, a mathematical model of fructan extraction process was created.
K. S. Maznik, N. A. Matvieieva 2013, 'OPTIMIZATION OF FRUCTANS EXTRACTION FROM in vitro CULTIVATED CHICORY ‘HAIRY' ROOTS',Biotechnologia Actahttp://biotechnology.kiev.ua/images/storage/no3_2013/maznik_3_2013.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Typically, particular fructan types occur within particular plant families.
Wim eVan den Ende, Marlies eCoopman, Rudy eVergauwen, André eVan Laere 2016, 'Presence of inulin-type fructo-oligosaccharides and shift from raffinose family oligosaccharideto fructan metabolism in leaves of boxtree (Buxus sempervirens)', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2016.00209/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, detailed studies on the mechanisms involved in the regulation of fructan metabolism are scarce.
Anna eGasperl, Annette eMorvan-Bertrand, Annette eMorvan-Bertrand, Annette eMorvan-Bertrand,Marie-Pascale ePrud'Homme, Marie-Pascale ePrud'Homme, Marie-Pascale ePrud'Homme, EriceVan Der Graaff, Eric eVan Der Graaff, Thomas eRoitsch, Thomas eRoitsch, Thomas eRoitsch 2016, 'Exogenous classic phytohormones have limited regulatory effects on fructan and primarycarbohydrate metabolism in perennial ryegrass (Lolium perenne L.)', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2015.01251/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)