Results 21 to 30 of about 2,133,478 (281)

Mechanisms of Metal Resistance and Homeostasis in Haloarchaea [PDF]

open access: yesArchaea, 2013
Haloarchaea are the predominant microflora of hypersaline econiches such as solar salterns, soda lakes, and estuaries where the salinity ranges from 35 to 400 ppt. Econiches like estuaries and solar crystallizer ponds may contain high concentrations of metals since they serve as ecological sinks for metal pollution and also as effective traps for river
Srivastava, Pallavee, Kowshik, Meenal
openaire   +3 more sources

Editorial: Metallic Micronutrient Homeostasis in Plants [PDF]

open access: yesFrontiers in Plant Science, 2019
مقالة افتتاحية Front.
Hannetz Roschzttardtz   +2 more
openaire   +4 more sources

Nicotianamine Synthase 2 Is Required for Symbiotic Nitrogen Fixation in Medicago truncatula Nodules

open access: yesFrontiers in Plant Science, 2020
Symbiotic nitrogen fixation carried out by the interaction between legumes and diazotrophic bacteria known as rhizobia requires relatively large levels of transition metals.
Viviana Escudero   +15 more
doaj   +1 more source

Nitrogen Sources and Iron Availability Affect Pigment Biosynthesis and Nutrient Consumption in Anabaena sp. UTEX 2576

open access: yesMicroorganisms, 2021
Anabaena sp. UTEX 2576 metabolizes multiple nitrogen (N) sources and is deemed a biotechnological platform for chemical production. Cyanobacteria have been identified as prolific producers of biofertilizers, biopolymers, biofuels, and other bioactive ...
Daniel A. Norena-Caro   +2 more
doaj   +1 more source

Identification and functional analysis of two ZIP metal transporters of the hyperaccumulator Thlaspi caerulescens [PDF]

open access: yes, 2009
The heavy metal hyperaccumulator Thlaspi caerulescens expresses several ZIP-like genes at higher levels than their orthologues in non-hyperaccumulator species, but it is not clear why. To elucidate the function of the T.
Zhao, F.J.   +13 more
core   +2 more sources

Homeostasis of metals in the progression of Alzheimer’s disease [PDF]

open access: yesBioMetals, 2014
In order to study the involvement of metals in the progression of Alzheimer's disease, serum samples from patients with Alzheimer and mild cognitive impairment were investigated. For this purpose, metal content was analyzed after size-fractionation of species and then, inter-element and inter-fraction ratios were computed.
González Domínguez, Raúl   +2 more
openaire   +3 more sources

Mining genomes of marine cyanobacteria for elements of zinc homeostasis [PDF]

open access: yes, 2012
Zinc is a recognized essential element for the majority of organisms, and is indispensable for the correct function of hundreds of enzymes and thousands of regulatory proteins.
Schmid, Ralf   +23 more
core   +1 more source

Identification of metallophores and organic ligands in the chemosphere of the marine macroalga Ulva (Chlorophyta) and at land-sea interfaces

open access: yesFrontiers in Marine Science, 2016
The roles of organic matter in seawater have often been discussed from the aspect of metal toxicity and bioavailability in seawater. In fact, organic ligands, as part of the organic matter, can work as a trace metal ion buffer system.
Thomas Wichard
doaj   +1 more source

Barley HvHMA1 is a heavy metal pump involved in mobilizing organellar Zn and Cu and plays a role in metal loading into grains [PDF]

open access: yes, 2012
Heavy metal transporters belonging to the P1B-ATPase subfamily of P-type ATPases are key players in cellular heavy metal homeostasis. Heavy metal transporters belonging to the P1B-ATPase subfamily of P-type ATPases are key players in cellular heavy metal
Michael G. Palmgren (121288)   +43 more
core   +2 more sources

Estropause, Sex Hormones and Metal Homeostasis in the Mouse Brain. [PDF]

open access: yesFront Neurol, 2022
Alterations in brain metal ion homeostasis have been reported with aging and are implicated in the pathogenesis of neurodegenerative diseases. To assess whether age-related changes in hypothalamic-pituitary-gonadal (HPG) hormones might be involved in ...
Liu T, Bowen RL, Wilson AC, Atwood CS.
europepmc   +2 more sources

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