ion pump

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Noun1.ion pump - a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface
air pump, vacuum pump - a pump that moves air in or out of something
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DMT1 represents a large family of orthologous metal ion transporter proteins that are highly conserved from bacteria to humans [138].
The BLASTP analysis results suggested that it is a putative plasma membrane low affinity zinc ion transporter. CCHA-2229 shares 94% identity with proteins from Aspergillus ruber (EYE97956.1) and 76% identity with one from Aspergillus clavatus (XP_001272799.1).
One of our studies has revealed that estrogen involves in the control of fluid reabsorption in the EDs by differential regulation of ion transporter's expression through ER[alpha] and ER[beta] (Lee et al., 2001).
The SLC39 family of metal ion transporter. Pflug Arch Eur J Phy 2004; 447 : 796-800.
BASF Plant Science GmbH (Ludwigshafen, Germany) has patented a transgenic plant transformed by an Ion Transporter Stress-Related Polypeptide (ITSRP) coding nucleic acid, wherein expression of the nucleic acid sequence in the plant results in increased tolerance to environmental stress as compared to a wild type variety of the plant.
Recently, Nramp2 was shown to be a metal ion transporter with broad divalent cation specificity (including [Fe.sup.2+], [Zn.sup.2+],[Mn.sup.2+], [Co.sup.2+], [Cd.sup.2+], [Cu.sup.2+], [Ni.sup.2+], and [Pb.sup.2+]), driven by the proton electrochemical gradient in Xenopus laevis oocytes (43).
A third gene isolated by the team, SHST3, encoded a low-affinity sulfate ion transporter.
It is due to several genetic defects affecting a number of ion transporters or channels along the ascending limb of the loop of Henle that play an important role in the blood volume regulation and in the reabsorption of NaCl.