Sugar transport systems in Kluyveromyces marxianus CCT 7735.
dc.contributor.author | Silveira, Fernando Augusto da | |
dc.contributor.author | Diniz, Raphael Hermano Santos | |
dc.contributor.author | Sampaio, Geraldo Magela Santos | |
dc.contributor.author | Brandão, Rogélio Lopes | |
dc.contributor.author | Silveira, Wendel Batista da | |
dc.contributor.author | Castro, Ieso de Miranda | |
dc.date.accessioned | 2019-04-17T14:44:32Z | |
dc.date.available | 2019-04-17T14:44:32Z | |
dc.date.issued | 2019 | |
dc.description.abstract | The pattern of glucose repression in most Kluyveromyces marxianus strains does not correlate with fermentative behaviour; however, glucose repression and fermentative metabolism appear to be linked to the kinetics of sugar uptake. In this work, we show that lactose transport in K. marxianus CCT 7735 by lactose-grown cells is mediated by a low-affinity H+-sugar symporter. This system is glucose repressed and able to transport galactose with low affinity. We also observed the activity of a distinct lactose transporter in response to raffinose. Regarding glucose uptake, specificities of at least three low-affinity systems rely on the carbon source available in a given growth medium. Interestingly, it was observed only one high-affinity system is able to transport both glucose and galactose. We also showed that K. marxianus CCT 7735 regulates the expression of sugar transport systems in response to glucose availability. | pt_BR |
dc.identifier.citation | SILVEIRA, F. A. da et al. Sugar transport systems in Kluyveromyces marxianus CCT 7735. Antonie van Leeuwenhoek, v. 112, n. 2, p. 211–223, fev. 2019. Disponível em: <https://link.springer.com/article/10.1007%2Fs10482-018-1143-4>. Acesso em: 25 fev. 2019. | pt_BR |
dc.identifier.issn | 1572-9699 | |
dc.identifier.uri | http://www.repositorio.ufop.br/handle/123456789/11064 | |
dc.identifier.uri2 | https://link.springer.com/article/10.1007%2Fs10482-018-1143-4 | pt_BR |
dc.language.iso | en_US | pt_BR |
dc.rights | restrito | pt_BR |
dc.subject | Glucose | pt_BR |
dc.subject | Repression | pt_BR |
dc.subject | K marxianus | pt_BR |
dc.subject | Lactose | pt_BR |
dc.subject | Metabolism regulation | pt_BR |
dc.title | Sugar transport systems in Kluyveromyces marxianus CCT 7735. | pt_BR |
dc.type | Artigo publicado em periodico | pt_BR |
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