Publications by authors named "Yanyan Su"

As a valuable Chinese medicinal herb and functional food, Goji (Lycium barbarum L.) berries have been consumed for more than 4500 years in China and have received extensive international attention. However, stakeholders have adopted traditional management strategies, and rational planning for national Goji cultivation is still lacking across China's pedoclimatic regions, greatly hindering efficient production and improving crop quality.

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Background: This study aim to investigate the role of endothelial damage in the pathogenesis of Mycoplasma pneumoniae pneumonia (MPP) by comparing serum levels of endothelial cell-specific molecule 1 (ESM-1) and Syndecan-1 in patients with varying degrees of MPP severity. Additionally, we aim to explore the relationship between the production of ESM-1 and Syndecan-1 and the severity of MPP, inflammation, as well as hypercoagulative state in children.

Methods: A prospective, observational study that included clinical manifestations, laboratory tests, and serum ESM-1 and Syndecan-1 assays.

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This study focuses on the characterization of human viral diversity within a major Wastewater Treatment Plant (WWTP) in the central area of Tianjin, China, with a particular emphasis on adenoviruses due to their robust survivability and potential health implications. By employing metagenomic sequencing, targeted sequencing, quantitative polymerase chain reaction (qPCR) analysis, and cell culture methodologies, we identified a broad spectrum of human viruses, encompassing 25 viral families and 45 viral genera, including enteric, respiratory, and contact viruses. Our findings demonstrate that adenoviruses were stably present in sewage from January to May and retained their infectious activity.

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Background: Helicobacter pylori infection is common in patients with alcohol-related liver disease (ALD), and bismuth quadruple therapy (BQT) is widely used for eradication. However, its impact on ALD remains unclear. This study aims to characterize BQT-induced gut microbiota alterations in asymptomatic H.

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Accurate, noninvasive dysphagia assessment is important for rehabilitation therapy but current clinical diagnostic methods are either invasive or subjective. Surface electromyography (sEMG) that monitors muscle activity during swallowing, offers a promising alternative. However, existing sEMG electrode arrays for dysphagia assessment remain challenging in combining the advantages of a large coverage area and strong compliance to the entire swallowing muscles.

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species are among the most significant pathogens causing root rot in . In this study, a strain of was isolated from the rhizosphere soil of and subjected to whole-genome sequencing. Plate confrontation experiments were conducted to investigate the antagonistic effects of against , , and , the primary species causing root rot.

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Background: Intracardiac thrombus (ICT) is the rarest yet most severe complication of severe Mycoplasma pneumoniae pneumonia (SMPP) in children. This study aims to elucidate the clinical characteristics of patients with SMPP-related ICT.

Methods: We retrospectively enrolled 68 children with SMPP (18 cases of ICT, 50 cases of non-ICT) who were admitted from January 2014 to January 2024.

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Anti-vascular endothelial growth factor-associated thrombotic microangiopathy (aVEGF-TMA) was recently discovered in patients with malignant tumors. Four aVEGF-TMA patients diagnosed by renal biopsy between 2018 and 2022 were identified, and all were females aged 30-62 years (mean age, 47 years). Two patients with malignant gastrointestinal stromal tumors who received sunitinib were analyzed.

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Article Synopsis
  • FINCA syndrome is a rare genetic disorder caused by mutations in the NHL-repeat-containing protein 2 (NHLRC2) gene, leading to issues like fibrosis and neurodegeneration.
  • A case study of two Chinese siblings illustrates the severe symptoms they experienced, including interstitial lung disease (ILD) and similar chest CT scans, highlighting the severity of the condition.
  • While the elder brother tragically passed away due to respiratory failure, the younger brother's health improved significantly with long-term glucocorticoid treatment, suggesting that anti-inflammatory therapies could help manage ILD symptoms in FINCA syndrome.
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Background: Human enterovirus D68 (EV-D68) has been associated with an increase in mild-to-severe pediatric respiratory diseases in western countries. However, the prevalence and clinical characteristics of EV-D68-associated pneumonia in China remain understudied.

Methods: Between January 2022 and January 2024, 28 patients with EV-D68-associated pneumonia were enrolled.

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Lotus seed starch holds vast potential for utilization across various industries, with its content and structure directly influencing the commercial value of lotus seeds. However, there has been limited information available on the molecular mechanisms underlying lotus seed starch biosynthesis. In this study, three starch branching enzyme homologs were identified in the lotus genome, designated as NnSBE1 to NnSBE3, which possess conserved CBM_48 and α_Aamy domains.

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Background: Postharvest quality deterioration poses a significant challenge to the commercial value of fresh lotus seeds. Low temperature storage is widely employed as the primary method for preserving postharvest lotus seeds during storage and transportation.

Results: This approach effectively extends the storage life of lotus seeds, resulting in distinct physiological changes compared to room temperature storage, including a notable reduction in starch, protein, HO, and MDA content.

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Nitrate pollution in groundwater is a serious problem worldwide, as its concentration in many areas exceeds the WHO-defined drinking water standard (50 mg/L). Hydrogen-oxidizing bacteria (HOB) are a group of microorganisms capable of producing single-cell protein (SCP) using hydrogen and oxygen. Furthermore, HOB can utilize various nitrogen sources, including nitrate.

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Fresh lotus seeds are gaining favor with consumers for their crunchy texture and natural sweetness. However, the intricacies of sugar accumulation in lotus seeds remain elusive, which greatly hinders the quality improvement of fresh lotus seeds. This study endeavors to elucidate this mechanism by identifying and characterizing the sucrose synthase (SUS) gene family in lotus.

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MicroRNAs are essential in plant development and stress resistance, but their specific roles in drought stress require further investigation. Here, we have uncovered that a Populus-specific microRNAs (miRNA), miR6445, targeting NAC (NAM, ATAF, and CUC) family genes, is involved in regulating drought tolerance of poplar. The expression level of miR6445 was significantly upregulated under drought stress; concomitantly, seven targeted NAC genes showed significant downregulation.

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Naturally occurring reactive oxygen species (ROS) are widely involved in many environmental processes. Here we investigated the ROS generation associated with the interaction between complexed natural clay minerals (CMs) and dissolved organic matter (DOM). Our results showed that among the nine chemical-reduced CMs (CR-CMs), the light brown CR-CM (CR-CM 7) generated the highest ROS via oxygenation, relying on the reactive structural Fe(II) (Fe species that can transfer electrons to oxygen) instead of total structural Fe(II) as previously reported.

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A balanced diet is considered necessary in maternal recovery and neonatal development; however, the dietary quality of lactating mothers in China has not been systematically evaluated in different regions and stages of lactation. In addition, the release of the Chinese Dietary Guidelines in 2022 implies that the dietary index method needs to be adjusted accordingly. In this study, the adjusted Chinese Dietary Balance Index-16 (DBI-16) was used to assess the dietary quality of lactating women, referred to as the Dietary Balance Index for lactating women (DBI-L).

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is the only known plant source of the potent antimalarial artemisinin, which occurs as the low- and high-artemisinin producing (LAP and HAP) chemotypes. Nevertheless, the different mechanisms of artemisinin producing between these two chemotypes were still not fully understood. Here, we performed a comprehensive analysis of genome resequencing, metabolome, and transcriptome data to systematically compare the difference in the LAP chemotype JL and HAP chemotype HAN.

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spp. are important bacterial pathogens that cause soft rot symptoms in various crops. However, their mechanism of pathogenicity requires clarity to help control their infections.

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Article Synopsis
  • Drought stress severely affects plant growth, and this study explores how β-aminobutyric acid (BABA) influences drought resistance in poplar through the Aspartate tRNA-synthetase (AspRS) gene family, particularly the PtrIBI receptors.
  • Researchers identified 12 PtrIBI genes, noting that poplar's genetic evolution included four pairs that arose from whole genome duplication.
  • Treatment with 50 mM BABA showed promise in reducing drought stress damage, leading to the hypothesis that poplar employs a coordinated ABA signaling pathway involving BABA and PtrIBIs to combat drought stress.
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Efficient and selective removal of water pollutants remains a critical challenge. Here, we addressed this challenge by ingeniously engineering FeOCl via polyaniline intercalation and dodecyl group modification (FeOCl-P-S) to improve its activity and selectivity for the in situ removal of hydrophobic phenolic compounds. We further encapsulated the catalyst inside commercial cheap corundum balls and developed a "millimeter-scale reactor", which maintained a high efficiency of 86.

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spp. infect many horticultural crops worldwide and lead to serious crop losses. Zinc-uptake-regulator (Zur) proteins are present widely in prokaryotes and play an important role in pathogenicity.

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Objective: To investigate the risk factors of left ventricular diastolic dysfunction in maintenance hemodialysis (MHD) patients.

Method: We retrospectively collected data from 363 hemodialysis patients who were on dialysis for at least 3 months at January 1, 2020. According to the echocardiogram results, these patients were divided into left ventricular diastolic dysfunction (LVDD) group and non-LVDD group.

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Although mainly known for producing artemisinin, Artemisia annua is enriched in phenylpropanoid glucosides (PGs) with significant bioactivities. However, the biosynthesis of A. annua PGs is insufficiently investigated.

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The •OH-mediated heterogeneous Fenton reaction has been widely applied despite the limitations of low pollutant selectivity and unclear oxidation mechanism. Here we reported an adsorption-assisted heterogeneous Fenton process for the selective degradation of pollutants and systematically illustrated its dynamic coordination in two phases. The results showed that the selective removal was improved by (i) surface enrichment of target pollutants via electrostatic interactions including real adsorption and adsorption-assisted degradation and (ii) inducing the diffusion of HO and pollutants from the bulk solution to the catalyst surface to trigger the homogeneous and surface heterogeneous Fenton reactions.

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