2008
DOI: 10.1051/medsci/2008243277
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Les bases moléculaires de l’approvisionnement en cuivre

Abstract: Le cuivre (Cu) est un oligo-élément essentiel à tous les organismes vivants. Dans de nombreuses réactions enzymatiques, il est courant d'observer les constants allers-retours de cet ion métallique de l'état oxydé (Cu 2+ ) à l'état réduit (Cu 1+ ). Cette propriété du cuivre en fait un excellent cofacteur. Le cuivre loge au coeur du site catalytique de beaucoup d'enzymes essentiels pour les cellules. Des activités cellulaires comme la respiration, le transport du fer et la protection contre le stress oxydatif so… Show more

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Cited by 3 publications
(2 citation statements)
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“…The bipolar nature of trace metals determined the development of intricate cellular systems dedicated to their uptake, buffering, sequestration, intracellular trafficking, compartmentalization and excretion. As in many other directions of study, S. cerevisiae brought a considerable contribution to the understanding of the molecular mechanism involved in trace metal transport and homeostasis [3,[38][39][40][41][42][43][44][45][46][47]. Several heavy metal transporters were identified at the plasma membrane level (Figure 4A), with both high and low affinity.…”
Section: Correlations Between Calcium and Heavy Metal Exposure As Seementioning
confidence: 97%
See 1 more Smart Citation
“…The bipolar nature of trace metals determined the development of intricate cellular systems dedicated to their uptake, buffering, sequestration, intracellular trafficking, compartmentalization and excretion. As in many other directions of study, S. cerevisiae brought a considerable contribution to the understanding of the molecular mechanism involved in trace metal transport and homeostasis [3,[38][39][40][41][42][43][44][45][46][47]. Several heavy metal transporters were identified at the plasma membrane level (Figure 4A), with both high and low affinity.…”
Section: Correlations Between Calcium and Heavy Metal Exposure As Seementioning
confidence: 97%
“…Essential or not, the hazardous heavy metals such as Cd 2+ , Co 2+ , Cu 2+ , Mn 2+ , Ni 2+ , Pb 2+ , Zn 2+ are known to be major threats to the environment [38]. The molecular mechanisms involved in heavy metal transport and homeostasis have been intensively studied in S. cerevisiae [3], along with many aspects regarding their toxicity, tolerance, accumulation, or extrusion [38][39][40][41][42][43][44][45][46][47]. Some of the relevant studies performed in S. cerevisiae correlating heavy metal exposure to calcium-related mechanisms are presented in the following section.…”
Section: Introductionmentioning
confidence: 99%