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Showing 1 to 12 of 52 entries
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Quantification of presumptive Na(+)/H (+) antiporters of the erythrocytes of trout and eel.

Fish physiology and biochemistry

Reid SD, Perry SF.
PMID: 24203107
Fish Physiol Biochem. 1994 Mar;12(6):455-63. doi: 10.1007/BF00004448.

The presumptive Na(+)/H(+) exchange sites of trout and eel erythrocytes were quantified using amiloride-displaceable 5-(N-methyl-N-[(3)H]isobutyl)-amiloride ((3)H-MIA) equilibrium binding to further evaluate the mechanisms of i) hypoxia-mediated modifications in the trout erythrocyte β-adrenergic signal transduction system and ii) the marked...

Na+-K+ Exchange at the Xylem/Symplast Boundary (Its Significance in the Salt Sensitivity of Soybean).

Plant physiology

Lacan D, Durand M.
PMID: 12226212
Plant Physiol. 1996 Feb;110(2):705-711. doi: 10.1104/pp.110.2.705.

We investigated the mechanism of Na+ reabsorption in exchange for K+ at the xylem/symplast boundary of soybean roots (Glycine max var Hodgson). The xylem vessels of excised roots were perfused with solutions of defined composition to discriminate between entry...

NhaD type sodium/proton-antiporter of Halomonas elongata: a salt stress response mechanism in marine habitats?.

Saline systems

Kurz M, Brünig AN, Galinski EA.
PMID: 16872527
Saline Syst. 2006 Jul 27;2:10. doi: 10.1186/1746-1448-2-10.

BACKGROUND: Sodium/proton-antiporters (Nha) are known to play an important role in pH- and Na+-homeostasis. In microorganisms several types with different capacity, affinity and selectivity for Na+ and Li+ exist. The homeostasis system of E. coli, NhaA and NhaB, is...

Calcium signaling network in plants: an overview.

Plant signaling & behavior

Tuteja N, Mahajan S.
PMID: 19516972
Plant Signal Behav. 2007 Mar;2(2):79-85. doi: 10.4161/psb.2.2.4176.

Calcium ion (Ca(2+)) is one of the very important ubiquitous intracellular second messenger molecules involved in many signal transduction pathways in plants. The cytosolic free Ca(2+) concentration ([Ca(2+)](cyt)) have been found to increased in response to many physiological stimuli...

Membrane transporters for the special amino acid glutamine: structure/function relationships and relevance to human health.

Frontiers in chemistry

Pochini L, Scalise M, Galluccio M, Indiveri C.
PMID: 25157349
Front Chem. 2014 Aug 11;2:61. doi: 10.3389/fchem.2014.00061. eCollection 2014.

Glutamine together with glucose is essential for body's homeostasis. It is the most abundant amino acid and is involved in many biosynthetic, regulatory and energy production processes. Several membrane transporters which differ in transport modes, ensure glutamine homeostasis by...

Erratum to: Multidrug resistance protein MdtM adds to the repertoire of antiporters involved in alkaline pH homeostasis in Escherichia coli.

BMC microbiology

Holdsworth SR, Law CJ.
PMID: 28403826
BMC Microbiol. 2017 Apr 12;17(1):91. doi: 10.1186/s12866-017-0995-5.

No abstract available.

Diverse Functions of Plant Zinc-Induced Facilitator-like Transporter for Their Emerging Roles in Crop Trait Enhancement.

Plants (Basel, Switzerland)

Meena V, Sharma S, Kaur G, Singh B, Pandey AK.
PMID: 35009105
Plants (Basel). 2021 Dec 30;11(1). doi: 10.3390/plants11010102.

The major facilitator superfamily (MFS) is a large and diverse group of secondary transporters found across all kingdoms of life. Zinc-induced facilitator-like (ZIFL) transporters are the MFS family members that function as exporters driven by the antiporter-dependent processes. The...

The metabolic profile of Bifidobacterium dentium reflects its status as a human gut commensal.

BMC microbiology

Engevik MA, Danhof HA, Hall A, Engevik KA, Horvath TD, Haidacher SJ, Hoch KM, Endres BT, Bajaj M, Garey KW, Britton RA, Spinler JK, Haag AM, Versalovic J.
PMID: 34030655
BMC Microbiol. 2021 May 24;21(1):154. doi: 10.1186/s12866-021-02166-6.

BACKGROUND: Bifidobacteria are commensal microbes of the mammalian gastrointestinal tract. In this study, we aimed to identify the intestinal colonization mechanisms and key metabolic pathways implemented by Bifidobacterium dentium.RESULTS: B. dentium displayed acid resistance, with high viability over a...

Plant trans-golgi network/early endosome pH regulation requires cation chloride cotransporter (CCC1).

eLife

McKay DW, McFarlane HE, Qu Y, Situmorang A, Gilliham M, Wege S.
PMID: 34989335
Elife. 2022 Jan 06;11. doi: 10.7554/eLife.70701. Epub 2022 Jan 06.

Plant cells maintain a low luminal pH in the Trans-Golgi-Network/Early Endosome (TGN/EE), the organelle in which the secretory and endocytic pathways intersect. Impaired TGN/EE pH regulation translates into severe plant growth defects. The identity of the proton pump and...

Further Evidence for Stachyose and Sucrose/H+ Antiporters on the Tonoplast of Japanese Artichoke (Stachys sieboldii) Tubers.

Plant physiology

Greutert H, Keller F.
PMID: 12231787
Plant Physiol. 1993 Apr;101(4):1317-1322. doi: 10.1104/pp.101.4.1317.

Vacuoles of Japanese artichoke (Stachys sieboldii) tubers accumulate up to 180 mM stachyose ([alpha]-galactose-[1->6]-[alpha]-galactose-[1->6]-[alpha]-glucose-[1 2]-[beta]-fructose) against a concentration gradient, probably by means of an active stachyose/H+ antiporter situated on the tonoplast. The goal of this study was to use...

Na/H and k/h antiport in root membrane vesicles isolated from the halophyte atriplex and the glycophyte cotton.

Plant physiology

Hassidim M, Braun Y, Lerner HR, Reinhold L.
PMID: 16667918
Plant Physiol. 1990 Dec;94(4):1795-801. doi: 10.1104/pp.94.4.1795.

Proton fluxes have been followed into and out of membrane vesicles isolated from the roots of the halophyte Atriplex nummularia and the glycophyte Gossypium hirsutum, with the aid of the DeltapH probe [(14)C]methylamine. Evidence is presented for the operation...

Retraction: 'Each of the chloroplast potassium efflux antiporters affects photosynthesis and growth of fully developed Arabidopsis rosettes under short-day photoperiod' by Somnath Dana, Andrei Herdean, Björn Lundin and Cornelia Spetea.

Physiologia plantarum

[No authors listed]
PMID: 28429530
Physiol Plant. 2017 May;160(1):124-125. doi: 10.1111/ppl.12573.

No abstract available.

Showing 1 to 12 of 52 entries