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Antimonotungstate-Based Heterometallic Framework Formed by the Synergistic Strategy of In Situ-Generated Krebs-Type Building Units and the Substitution Reaction and Its High-Efficiency Biosensing KRAS Gene.
Inorg Chem
January 2025
MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, China.
A novel antimonotungstate (AT)-based heterometallic framework {[Er(HO)][Fe(Hpdc)(B-β-SbWO)]}·50HO (, Hpdc = pyridine-2,5-dicarboxylic acid) was obtained through a synergistic strategy of in situ-generated transition-metal-encapsulated polyoxometalate (POM) building units and the substitution reaction. Its structural unit is composed of a tetra-Fe-substituted Krebs-type [Fe(Hpdc)(B-β-SbWO)] subunit and two [Er(HO)] cations. This subunit can be regarded as a product of carboxylic oxygen atoms of Hpdc ligands replacing active water ligands in the [Fe(HO)(B-β-SbWO)] species.
View Article and Find Full Text PDFGenome-wide identification of the papaya-like cysteine protease family in poplar and determination of the functional role of PeRD19A in conferring salt tolerance.
Int J Biol Macromol
December 2024
Institute of Forest Biotechnology, Forestry College, Agricultural University of Hebei, Baoding 071000, China; Hebei Key Laboratory for Tree Genetic Resources and Forest Protection, Baoding 071000, China. Electronic address:
Papain-like cysteine proteases (PLCPs) are a large class of proteolytic enzymes involved in plant growth and development as well as plant responses to biological and abiotic stresses. However, there is no detailed characterization of PLCPs genes in poplar. In this study, a genome-wide analysis of the poplar PtrPLCPs family revealed 47 PtrPLCPs, which were classified into nine subfamilies according to their phylogeny: RD21, CEP, XCP, XBCP3, SAG12, RD19 (5), ALP, CTB, and the lost THI subgroups.
View Article and Find Full Text PDFEnvironmental concentrations of antibiotics induced polymyxin B tolerance in Aeromonas hydrophila.
Sci Total Environ
January 2025
Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China. Electronic address:
Polymyxin B is one of the last lines of defense in infections caused by multidrug-resistant Gram-negative bacteria. Aeromonas hydrophila are important fish pathogens and the occurrence of polymyxin B-resistant A. hydrophila isolates is increasing.
View Article and Find Full Text PDFATP-binding cassette G23 is required for Arabidopsis seed coat suberization.
Plant Sci
December 2024
Department of Life Science, Sogang University, Seoul 04107, Republic of Korea. Electronic address:
Suberin is an extracellular hydrophobic polymer deposited in seed coats that acts as a barrier to regulate the movement of ions, water, and gases, and protects seeds against pathogens. However, the molecular mechanisms underlying suberin deposition in the seed coat remain unknown. In this study, the in planta role of ATP-binding cassette G23 (ABCG23) was investigated in the Arabidopsis seed coat.
View Article and Find Full Text PDFRole of H in Solvent Extraction of Am(III) and Eu(III) Using a Polydentate Bipyridine N-,O-Donor Ligand: Chemical Equilibrium States and Kinetic Aspects.
J Phys Chem B
January 2025
Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russian Federation.
In this work, the influence of protonation on the kinetics and thermodynamics of extraction of the Am/Eu pair using N-heterocyclic dicarboxylic acid diamide ,'-diethyl-,'-bis(4-ethylphenyl)-[2,2'-bipyridine]-6,6'-dicarboxamide () was investigated. The extraction efficiency of the ligand did not decrease, even at a nitric acid concentration 4 times higher than that of the ligand in the organic phase. X-ray diffraction analysis established that protonation leads to the preorganization of the ligand due to the reversal of bipyridyl rings into the binding conformation when both nitrogen atoms are turned to one side.
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