Publications by authors named "Yaqi Cui"

Potassium (K) is an essential nutrient for apple production, with its deficiency severely compromising yield and fruit quality. The development of K deficiency-resistant rootstocks represents an effective and promising approach to alleviating the adverse effects of K deficiency stress. However, the molecular mechanisms underlying apple resistance to K deficiency remain poorly understood.

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Light quality considerably influences plant secondary metabolism, yet the precise mechanism underlying its impact on Eleutherococcus senticosus remains elusive. Comprehensive metabolomic and transcriptomic analyses revealed that varying light quality alters the biosynthesis of triterpene saponins by modulating the expression of genes involved in the process in E. senticosus.

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Background: Regulating the immune system is a crucial measure of gut microbiota (GM) that influences the development of diseases. The causal role of GM on Henoch-Schönlein Purpura (HSP) and whether it can be mediated by immune cells is still unknown.

Methods: We performed a two-sample Mendelian randomization study using an inverse variance weighted (IVW) method to examine the causal role of GM on HSP and the mediation effect of immune cells between the association of GM and HSP.

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Article Synopsis
  • Autophagy is a process in our bodies that helps with the growth of cancer, but scientists still need to learn more about how it works in cervical cancer.
  • A protein called NCAPH helps cancer cells grow faster by stopping autophagy from happening, and its behavior is influenced by another protein called TRIM21.
  • TRIM21 makes NCAPH less stable, which leads to less cell growth and affects certain pathways that are important for cancer development, providing new insights for treating cervical cancer.
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  • Consumed VOCs are volatile organic compounds that react to create ozone and secondary organic aerosols, and this study focused on identifying their sources in Shijiazhuang, China during the summer of 2022.
  • The main contributors to consumed VOCs were found to be petrochemical industries and oxidation processes, which had significantly higher contributions during pollution periods compared to non-pollution periods.
  • The study highlighted that emissions from petrochemical industries primarily transported from the southeast were the significant pathway for VOCs, while other sources like natural gas and mixed sources contributed less to the overall consumed VOCs.
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Poly-l-lysine (PLL) and Matrigel, both classical coating materials for culture substrates in neural stem cell (NSC) research, present distinct interfaces whose effect on NSC behavior at cellular and molecular levels remains ambiguous. Our investigation reveals intriguing disparities: although both PLL and Matrigel interfaces are hydrophilic and feature amine functional groups, Matrigel stands out with lower stiffness and higher roughness. Based on this diversity, Matrigel surpasses PLL, driving NSC adhesion, migration, and proliferation.

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Background: Bones undergo a constant remodeling, a process involving osteoclast-mediated bone resorption and osteoblast-mediated bone formation, crucial for maintaining healthy bone mass. We previously observed that miR-185 depletion may promote bone formation by regulating Bgn expression and the BMP/Smad signaling pathway. However, the effects of miR-185-5p on the osteoclasts and bone remodeling have not been elucidated, warranting further exploration.

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Bilirubin, an open chain tetrapyrrole, has powerful antioxidant, anti-inflammatory, immuno-suppressive, metabolic-modulating and anti-proliferative activities. Bilirubin is a natural molecule that is produced and metabolized within the human body, making it highly biocompatible and well suited for clinical use. However, the use of bilirubin has been hampered by its poor water solubility and instability.

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  • PEMWE is a technology for producing green hydrogen using renewable energy sources, aiming to minimize noble metal usage in its catalysts for cost efficiency.
  • A new catalyst design featuring RuO nanorods on SnO nanocubes enhances conductivity while reducing the amount of Ru needed.
  • Testing has shown that this catalyst achieves significant electrochemical performance with low noble metal loading, highlighting its potential for practical applications in PEMWE systems.
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In the past several decades, bilirubin has attracted great attention for central nervous system (CNS) toxicity in some pathological conditions with severely elevated bilirubin levels. CNS function relies on the structural and functional integrity of neural circuits, which are large and complex electrochemical networks. Neural circuits develop from the proliferation and differentiation of neural stem cells, followed by dendritic and axonal arborization, myelination, and synapse formation.

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  • Rational design is crucial for creating effective electrocatalysts for the oxygen reduction reaction (ORR), using methods that enhance performance.
  • The integration of zeolitic imidazolate framework-8 (ZIF-8) and polyvinyl pyrrolidone (PVP) into the electrospinning process improves the structure and active site availability of the final catalyst product.
  • The resulting Fe-N-C ORR catalyst shows promising performance with a half-wave potential of 0.924 V in KOH solution and powers a zinc-air battery with a high power density of 236 mW cm².
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The electrochemical production of hydrogen peroxide (HO) via the two-electron oxygen reduction reaction (ORR) can realize the customer-oriented onsite synthesis of HO in a green and sustainable method. The ongoing challenge that needs to be solved is the fabrication of robust electrocatalysts of excellent performance. In this work, C was selected as a precursor due to its uniform structure and abundant pentagon rings.

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Accumulated evidence shows that OGT-mediated O-GlcNAcylation plays an important role in response to DNA damage repair. However, it is unclear if the "eraser" O-GlcNAcase (OGA) participates in this cellular process. Here, we examined the molecular mechanisms and biological functions of OGA in DNA damage repair, and found that OGA was recruited to the sites of DNA damage and mediated deglycosylation following DNA damage.

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COVID-19 is a new strain of highly contagious coronavirus, and at present, more than 221.4 million people have been infected with this virus, and the death toll exceeds 2793398. Early and fast detection of COVID-19 from infected individuals is critical to limit its spreading.

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Article Synopsis
  • The study presents a new electrocatalyst made from earth-abundant materials, specifically iron and nitrogen doped carbon, designed to improve the oxygen reduction reaction (ORR) performance.
  • A nanoporous nitrogen-rich single atom Fe-N/C catalyst on carbon nanotubes (NR-CNT@FeN-PC) was developed, utilizing specific nitrogen sources and a pyrolysis process that enhances its structure and surface area for better catalytic activity.
  • In tests, this catalyst showed superior performance compared to commercial platinum catalysts, achieving a higher half-wave potential and impressive power output in a homemade zinc-air battery, suggesting it has great potential for future energy applications.
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p53 is a key transcription factor to regulate gene transcription. However, the molecular mechanism of chromatin-associated p53 on gene transcription remains elusive. Here, using unbiased protein affinity purification, we found that the RNF20/40 complex associated with p53 on the chromatin.

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This paper proposes a simple reactive melt infiltration process to improve the mechanical properties of silicon carbide (SiC) ceramics. SiC matrix composites were infiltrated by Al⁻Si (10 wt.%)⁻xTi melts at 900 °C for 4 h.

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The original version of this Article contained an error in the author affiliations. Xiaochun Yu was incorrectly associated with College of Life Sciences, Hebei University, Baoding 071000 Hebei, China.This has now been corrected in both the PDF and HTML versions of the Article.

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53BP1 performs essential functions in DNA double-strand break (DSB) repair and it was recently reported that Tudor interacting repair regulator (TIRR) negatively regulates 53BP1 during DSB repair. Here, we present the crystal structure of the 53BP1 tandem Tudor domain (TTD) in complex with TIRR. Our results show that three loops from TIRR interact with 53BP1 TTD and mask the methylated lysine-binding pocket in TTD.

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Sarcodon imbricatus, a rare medicinal and edible fungus, has various pharmacological bioactivities. We investigated the effects of S. imbricatus polysaccharides (SIPS) on hematopoietic function and identified the underlying mechanisms using in vitro experiments with CHRF, K562, and bone marrow mononuclear cells (BMMNCs) and in vivo experiments with a mouse model of cyclophosphamide-induced hematopoietic dysfunction.

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YfeX from Escherichia coli O157 is a bacterial dye-decolorizing peroxidase that represents both dye-decoloring activity and typical peroxidase activity. We reported the crystal structure of YfeX bound to heme at 2.09 Å resolution.

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Peptidoglycan (PG) is an essential component of the cell wall, and undergoes reconstruction by various PG hydrolases during cell growth, development and division. The murein- tripeptide (Mtp) amidase MpaA belongs to PG hydrolase family and is responsible for cleaving the γ-D-Glumeso- Dap amide bond in the Mtp released during PG turnover. The current paper reports the crystal structure of MpaA from Escherichia coli (E.

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EcL-DER, the aspartate/glutamate racemase from the pathogen Escherichia coli O157, exhibits racemase activity for l-aspartate and l-glutamate. This study reports the crystal structures of apo-EcL-DER, the EcL-DER-l-aspartate and the EcL-DER-d-aspartate complexes. The EcL-DER structure contains two domains, forming pseudo-mirror symmetry in the active site.

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Surgery entails radical resection, neck dissection and tongue reconstruction has been commonly used in treatment of T2 and T3 tongue squamous cell carcinoma. Although lateral upper arm free flap (LUFF) and radial forearm free flap (RFFF) are similar in texture and thickness, significant differences can be noticed in the donor-site function and surgical demands. In the treatment of T2 and T3 tongue cancer, the choice of either LUFF or RFFF is still not defined.

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