344 results match your criteria: "Longyan University[Affiliation]"

Type VI secretion system 2 (T6SS2) of Vibrio parahaemolyticus is required for cell adhesion and autophagy in macrophages; however, other phenotypes conferred by this T6SS have not been thoroughly investigated. We deleted TssL2, a key component of T6SS2 assembly, to explore the role of the T6SS2 in environmental adaptation and virulence. TssL2 deletion reduced Hcp2 secretion, suggesting that TssL2 played an important role in activity of functional T6SS2.

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During the production of Wuyi rock tea, withering and fermentation play a crucial role in the primary processing of the tea, greatly influencing the development of its distinct taste characteristics. In this study, Rougui () was selected as the research object to investigate the effects of withering and fermentation on metabolites and taste characteristics in tea leaves. The findings revealed that a total of 1249 metabolites were detected in Rougui leaves at various processing stages, of which only 40 key metabolites were significantly altered.

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Insight into the codon usage patterns and adaptation of Tembusu Virus.

Poult Sci

December 2024

Fujian Provincial Key Laboratory for Prevention and Control of Animal Infectious Diseases and Biotechnology, Longyan University, Longyan, 364012, Fujian, China. Electronic address:

Article Synopsis
  • * Phylogenetic studies categorize TMUV into four lineages, with Cluster 2 being the most adapted to duck codon usage patterns, highlighting the influence of natural selection on its evolution.
  • * The virus shows lower adaptation to potential hosts like humans and mosquitoes, and analyses reveal that its genome undergoes significant changes to avoid immune responses, aiding its fitness in poultry.
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Effects of intercropping with legume forage on the rhizosphere microbial community structure of tea plants.

Front Microbiol

November 2024

Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, College of Life Sciences, Fuzhou, China.

Context: Intercropping in agriculture is crucial for addressing challenges in intensive tea farming. Forage legumes reduce fertilizer dependence and significantly boost productivity. Currently, intercropping with legumes enhances the environmental conditions of tea plantations and improves tea quality.

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Measuring topological invariants for higher-order exceptional points in quantum three-mode systems.

Nat Commun

November 2024

Fujian Key Laboratory of Quantum Information and Quantum Optics, College of Physics and Information Engineering, Fuzhou University, Fuzhou, China.

Owing to the presence of exceptional points (EPs), non-Hermitian (NH) systems can display intriguing topological phenomena without Hermitian analogs. However, experimental characterizations of exceptional topological invariants have been restricted to second-order EPs (EP2s) in classical or semiclassical systems. We here propose an NH multi-mode system with higher-order EPs, each of which is underlain by a multifold-degenerate multipartite entangled eigenstate.

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Article Synopsis
  • Cholera remains a significant public health threat, especially due to challenges in detecting contamination in drinking water and aquatic environments, mainly because of sample preparation difficulties.
  • The study developed immunomagnetic separation methods using recombinant antibodies (rAbs) to efficiently enrich cholera bacteria from water samples, achieving high capture efficiencies within a short time.
  • The resulting antibodies showed high specificity and low cross-reactivity with other bacteria, offering promising alternatives for accurate detection in food safety and environmental monitoring applications.
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Aerospace mutagenesis can alter the physiological metabolism and growth of tea trees and affect tea leaf quality. In this study, the effect of aerospace mutagenesis on the metabolite content and taste characteristics of Dahongpao fresh leaves and raw tea were analyzed. The results showed that aerospace mutagenesis had little effect on the composition and total amount of metabolites in fresh leaves and raw tea, but significantly changed the content of different metabolites.

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Magnetoresistance effect of nitrogen doped graphdiyne.

RSC Adv

November 2024

College of Physics and Energy, Fujian Normal University, Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials Fuzhou 350117 China

This investigation elucidates the influence of nitrogen doping (N-doping) on the magnetoresistance (MR) characteristics of graphdiyne (GDY) by methodically adjusting the levels of N-doping. Through exhaustive experimental analyses, encompassing SEM, XPS, and magneto-transport measurements, we demonstrate that N-doping markedly augments carrier concentration, thereby inducing distinct MR behaviors. Specifically, N-GDY manifests negative magnetoresistance (NMR) attributable to weak localization phenomena, whereas N-GDY and N-GDY exhibit positive magnetoresistance (PMR) characterized by significant resistance enhancements.

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Age-Related Hearing Impairment: Genome and Blood Methylome Data Integration Reveals Candidate Epigenetic Biomarkers.

OMICS

December 2024

Population Sciences in the Pacific Program, Cancer Epidemiology Division, University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, USA.

Age-related hearing impairment (ARHI) is a major planetary health burden that is in need of precision medicine for prevention, diagnosis, and treatment. The present study was set out to identify candidate epigenetic markers for ARHI. Associations of genetically predicted DNA methylation levels with ARHI risk were evaluated using two sets of blood DNA methylation genetic prediction models in 147,997 cases and 575,269 controls of European descent.

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Molecular characterization of Klebsiella pneumoniae in clinical bovine mastitis in 14 provinces in China.

Vet Res Commun

November 2024

Engineering Research Center for the Prevention and Control of Animal Original Zoonosis, College of Life Science, Longyan University, Longyan, 364012, Fujian Province, China.

The mastitis caused by Klebsiella pneumoniae (K. pneumoniae) is increasing in the dairy cows. To investigate the epidemic of K.

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Study on the Influence Mechanism of Hot Flue Gas Injection Pressure on the Wettability of Anthracite Coal: From the Perspective of Molecular Dynamics.

ACS Omega

November 2024

Key Laboratory of Theory and Technology on Coal and Rock Dynamic Disaster Prevention and Control, National Mine Safety Administration, China University of Mining and Technology, Xuzhou 221116, China.

Article Synopsis
  • - A wetting model was developed to study how hot flue gas affects coal's wettability in coal-water-methane systems, with particular attention to microscopic pressure measurement techniques using the NIST method.
  • - Key findings showed that as pressure increases, the interaction energy between water and coal decreases, while the number of hydrogen bonds and the spreading of water nanodroplets also decline, with a critical pressure point identified at around 32.64 MPa.
  • - Additionally, the three-phase contact angle increases with pressure, indicating a shift from water wetting to gas wetting, suggesting that higher hot flue gas injection pressures improve the gas transport environment by alleviating issues related to water saturation.
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Tea standard samples are the benchmark for tea product quality control. Understanding the inherent differences in Chinese national standards for Lapsang Souchong black tea of different grades is crucial for the scientific development of tea standardization work. In this study, Lapsang Souchong black tea of different grades that meet Chinese national standards was selected as the research object.

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Objective: Hypertension is a risk factor of cardiovascular disease. Dance, a type of aerobic exercise, is beneficial as a therapy in reducing blood pressure. This study aimed to systematically review the therapeutic effectiveness of dance therapy (DT) on blood pressure and blood lipid of patients with hypertension.

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Identification of SNPs and INDELS associated with duck egg quality traits through a genome-wide association analysis.

Poult Sci

December 2024

College of Life Science, Fujian Provincial Key Laboratory for the Prevention and Control of Animal Infectious Diseases and Biotechnology, Fujian Provincial Universities Key Laboratory of Preventive Veterinary Medicine and Biotechnology (Longyan University), Longyan University, Longyan, Fujian, 364012, PR China. Electronic address:

Egg quality traits are economically important in the poultry industry. To explore the genetic architecture and identify potential candidate genes, a genome-wide association study (GWAS) was performed for 13 egg quality traits using data from whole-genome sequencing of 299 Longyan Shan-ma female ducks, including 12 quantitative traits and one qualitative trait, eggshell color (ESC; white, light green, green). From estimation of pedigree genetic parameters, heritability (h) ranged from 0.

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Side-Chain Type Ferrocene Macrocycles.

Precis Chem

April 2024

Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350108, China.

Article Synopsis
  • A new class of ferrocene macrocycles with a radially conjugated system was introduced, characterized by their unique stereo configurations determined through X-ray diffraction.
  • The ferrocene rings exhibit a specific herringbone stacking pattern in the solid state due to host-guest interactions.
  • Investigations using UV-visible spectroscopy, electrochemical measurements, and theoretical calculations revealed important electronic properties, and the macrocycle shows potential for nonlinear optical applications, indicating promise in various chemistry fields.
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Hot exciton organic scintillators offer promising prospects due to their efficient generation of bright triplet excitons and ultrafast response time, having potential applications in security detection and medical diagnostics. However, fabricating large-area, highly transparent scintillator screens still remains challenging, impeding the realization of high-resolution X-ray imaging. Herein, we firstly demonstrate a novel highly-transparent hot exciton organic glassy scintillator (>87% transmittance @ 450-800 nm), produced using a low-temperature melt-quenching method with 2',5'-difluoro-4,4,4'',4''-tetraphenyl-[1,1':4',1''-terphenyl]-4,4''-diamine (DTPA2F) powder.

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Swine Glasser's disease, instigated by (), is a significant bacterial infection that causes substantial economic losses in pig farming operations. The role of mucosal immunity is pivotal in defending against . This study focused on the construction of PLGA microspheres that encapsulate the outer membrane protein OMP16 from (PLGA-OMP16) and evaluated their immunological effectiveness in a mouse model.

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Article Synopsis
  • This study examines how solid-state fermentation products from specific feed ingredients affect broiler chickens' growth, immune response, and gut health.
  • The experiment involved 120 one-day-old Hyland Brown broilers divided into three groups, with one group receiving a standard diet, a second group given a diet followed by exposure to an infection, and a third group fed fermented products before the same infection.
  • Results indicated that the group fed the fermented products had significantly improved daily weight gain, reduced bacterial load in the heart, less severe tissue damage, and a healthier gut microbial balance compared to the infected control group.
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Evolutionary and Expression Analyses of the Family in Tea Plants () and Functional Characterization of in Response to Environmental Stresses.

J Agric Food Chem

November 2024

Tea Research Institute, Guangdong Academy of Agricultural Sciences & Guangdong Provincial Key Laboratory of Tea Plant Resources Innovation and Utilization, Guangzhou 510640, China.

Basic leucine zipper (bZIP) transcription factors play crucial roles in various biological processes and responses to environmental stresses. However, the functions of the family in tea plants remain largely unexplored. Here, we identified 74 genes in tea plants () and classified them into 12 phylogenetic groups, supported by analyses of conserved motifs and gene structures.

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Avian pathogenic Escherichia coli (APEC): current insights and future challenges.

Poult Sci

December 2024

Engineering Research Center for the Prevention and Control of Animal Original Zoonosis, Fujian Province, College of Life Science, Longyan University, Longyan, 364012, Fujian, China; Shanghai Veterinary Research Institute, The Chinese Academy of Agricultural Sciences (CAAS), Shanghai, 200241, China. Electronic address:

Article Synopsis
  • APEC (Avian pathogenic Escherichia coli) is linked to serious diseases in birds and raises concerns as a potential foodborne pathogen for humans.
  • The review highlights APEC's various pathogenic features, including virulence factors and antibiotic resistance, which complicate treatment and necessitate urgent vaccine development.
  • Younger birds are more vulnerable to APEC infection due to weaker immune systems, and stressors can worsen the situation; therefore, understanding these dynamics is crucial for devising effective management strategies.
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Objective: This study aims to investigate the relationship between muscle strength, working memory, and activities of daily living (ADL) in older adults. Additionally, it seeks to clarify the pathways and effects of working memory in mediating the relationship between muscle strength and ADL.

Methods: Using a cross-sectional study design, we recruited 245 older adults individuals from nursing homes.

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Pyrene-based covalent organic frameworks (PyCOFs): a review.

Nanoscale Horiz

November 2024

Department of Materials Science and Engineering, Department of Chemistry, Center of Super-Diamond and Advanced Films (COSDAF) & Hong Kong Institute of Clean Energy, City University of Hong Kong, 999077 Hong Kong, China.

Recently, pyrene-based covalent organic frameworks (PyCOFs) have aroused great interest because the large planar structure of the pyrene unit could effectively enhance the interlayer π-π interaction and promote the separation and migration of carriers, significantly improving the crystallinity and photoelectrical properties of PyCOFs. Since the first PyCOF-containing boroxate linkage was reported in 2008 by the Yaghi group, many PyCOFs with different kinds of linkages have been reported, exhibiting great potential applications in different fields such as adsorption/separation, chemical sensing, catalysis, energy storage, However, as far as we know, the reviews related to PyCOFs are rare, although PyCOFs have been widely reported to show promising applications. Thus, it is right time and important for us to systematically summarize the research advance in PyCOFs, including the synthesis with different linkages and applications.

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Functional ankle instability (FAI) patients often experience restricted ankle dorsiflexion, increased inversion angle, and elevated ground reaction forces during walking, all related to altered kinematics of the talocrural and subtalar joints. This study aimed to investigate the potential positive impact of joint mobilization on FAI patients from a biomechanical perspective. The experimental group (EG, n = 17; Age: 20.

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