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Coat Protein I (COPI) consists of a complex (coatomer) formed by seven subunits (α-, β-, β'-, γ-, δ-, ε-, and ζ-COP) that is recruited to Golgi membranes to form vesicles that shuttle from the Golgi apparatus to the ER and between Golgi stacks. Recently, it has been described that loss of function mutants of the two Arabidopsis β-COP genes, β1-COP and β2-COP, showed increased sensitivity to salt stress (NaCl). Using a mixture of either Na or Cl salts, we have now found that β-COP mutants are specifically and highly sensitive to chloride ions.
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http://dx.doi.org/10.1080/15592324.2020.1858629 | DOI Listing |
J Am Chem Soc
September 2025
Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
In contrast to metal ions that have been routinely used to construct metal-organic frameworks (MOFs), anions have rarely been used as essential coordination centers in supramolecular organic frameworks (SOFs). In this work, we present a SOF, , based on the coordination of chloride anions and a flexible oligopyrrole. Owing to the multiple interactions between individual oligopyrrole molecules and an A-B-C-style stacking of the 2D honeycomb layers, crystalline exhibits reasonable thermal stability and retains its structure upon desolvation.
View Article and Find Full Text PDFFront Microbiol
August 2025
State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China.
Introduction: Manganese-oxidizing bacteria (MOB) play a critical role in converting soluble Mn(II) to insoluble Mn(III/IV) oxides, which have been widely applied for environmental remediation, particularly in heavy metal pollution control. Therefore, the discovery of novel MOB strains is of great significance for advancing pollution mitigation and ecosystem restoration.
Methods: In this study, a manganese-oxidizing bacterial strain was isolated from Mn-contaminated soil near an electroplating factory using selective LB medium supplemented with 10 mmol/L manganese chloride (MnCl), and the Leucoberbelin Blue (LBB) assay was employed to screen and identify strains with strong Mn(II)-oxidation ability.
Acta Crystallogr E Crystallogr Commun
September 2025
The reaction of -pentyl-morpholine with benzyl chloride resulted in the title compound, CHClNO, which crystallizes in the ortho-rhom-bic space group 2 with = 4. In the crystal, the chloride ions are surrounded by four cations, forming layers.
View Article and Find Full Text PDFDalton Trans
September 2025
Instituto de Química, Universidad Nacional Autónoma de México, Circuito Interior, CU, Ciudad de México, 04510, Mexico.
Synthesis, characterization, and electrocatalytic water oxidation studies of the cubane-type complexes [(μ-)CoCl(MeOH)] (1) and [(μ-)CoCl(MeOH)] (2) are herein reported. Cubanes 1 and 2 were obtained in high yields under mild conditions by self-assembly of the ligands = 1--2-benzimidazolylmethanol and = 1-methyl-2-benzimidazolylmethanol with CoCl·6HO in basic methanolic solution. Both compounds feature a cubane-type structure in which the central {CoO} units are built by four Co centers coordinated by alkoxide-bridged oxygen and nitrogen atoms from the deprotonated ligands and stabilized by MeOH molecules and chloride ions.
View Article and Find Full Text PDFAnal Chim Acta
November 2025
Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Key Laboratory of Nanobiosensor Analysis, College of Chemistry and Materials, Nanning Normal University, Nanning, 530001, PR China. Electronic address:
Background: Hexavalent chromium ions (Cr(VI)), a notorious toxic heavy metal pollutant with proven carcinogenicity, endangers human health and the environment. Meanwhile, l-ascorbic acid (L-AA), a vital biological antioxidant, has abnormal levels closely tied to various diseases. Developing efficient synchronous detection methods for these two key analytes is of great value in clinical and environmental monitoring.
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