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53
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Updated on
13/11/2026 [06:48:00]
Absstract of: CN122648297A
The invention relates to the technical field of microorganisms, in particular to enterococcus hirsutei C01, a probiotic agent and application of the enterococcus hirsutei C01 and the probiotic agent. The collection number of the enterococcus hiraei C01 provided by the invention is CGMCC (China General Microbiological Culture Collection Center) No.33994. The enterococcus hiraei C01 provided by the invention has the advantages that the collection number is CGMCC No.33994 The bacterial strain has broad-spectrum antibacterial activity, has an inhibiting effect on salmonella enteritidis, salmonella pullorum and salmonella typhimurium, is free of hemolysis, has good stress resistance, can survive in a gastrointestinal environment, also has relatively high biological safety, and can be used for clinically preventing and controlling mixed salmonella infection.
Absstract of: CN122647569A
The invention discloses an antibacterial peptide 16253 or a derivative thereof, a pharmaceutical composition and application, and belongs to the technical field of biology, the amino acid sequence of the antibacterial peptide 16253 is shown as SEQ ID NO: 1 (AAWRKWLGKVLRKAKKYRRIKK), and the antibacterial peptide 16253 has broad-spectrum and efficient antibacterial activity, and can be used for preparing antibacterial peptides. According to the present invention, the prepared Gram-negative bacteria and Gram-positive bacteria have significant inhibition and sterilization effects on Escherichia coli, Pseudomonas, salmonella, streptococcus, Bacillus, Campylobacter and other Gram-negative bacteria and Gram-positive bacteria, do not easily induce the bacteria to produce drug resistance, and have characteristics of extremely low hemolysis, low cytotoxicity and good selectivity index. The invention also provides a derivative and a salt of the antibacterial peptide, a pharmaceutical composition containing the antibacterial peptide, and application of the antibacterial peptide in preparation of antibacterial products or antibacterial drugs, especially application in preparation of drugs for preventing or treating campylobacter infection, and the antibacterial peptide has a wide clinical application prospect.
Absstract of: CN122651547A
本发明属于医药健康领域，涉及血浆中脂磷壁酸(LTA)和/或脂多糖(LPS)阳性细胞外囊泡在细菌性炎症和/或菌血症的检测中的用途。具体地，本发明提供了一种细菌性炎症和/或菌血症的体外检测方法，包含以下步骤：提供来自受试对象的待测样本；从所述待测样本中分离细胞外囊泡；检测LPS阳性的细胞外囊泡(LPS+EVs)的水平，和/或LTA阳性的细胞外囊泡(LTA+EVs)的水平；如果LPS+EVs和/或LTA+EVs水平增加，则指示所述受试对象存在细菌性炎症和/或菌血症。
Absstract of: CN122652024A
0001 本发明公开了一种生物探针、检测大肠杆菌O157：H7（ Escherichia coli O157:H7 ）的试纸条及应用。以超声辅助金属离子合成金基纳米合金，采用贻贝化学策略在合金基础上包覆聚多巴胺涂层，最终以AuMnCu@PDA作为信号示踪剂，利用天然贻贝富集的黑色条带和多原子调谐增强的等离子基元，不仅增强了传统的第一比色强度，而且引入了第二光热信号，大大增强了检测灵敏度。比色和光热信号下灵敏度较传统纳米金分别提高了100倍和1000倍，同时具有优异的稳定性和分散性，更有利于构建灵敏、准确的双峰型ICA。这项工作通过简便且绿色的贻贝化学策略为免疫层析测定的信号增强和性能改进开辟了新的途径，为提高分析性能和扩大ICA的实际应用提供了广阔的前景。
Absstract of: CN122647602A
The invention discloses a K64 type klebsiella pneumoniae capsular polysaccharide monoclonal antibody, a hybridoma cell strain and application thereof, the sequence information of the klebsiella pneumoniae capsular polysaccharide monoclonal antibody is shown as SEQ NO: 33-SEQ NO: 40, the preservation number of the hybridoma cell strain is CCTCC: C2024341, and the preservation number of the hybridoma cell strain is CCTCC: C2024341. The klebsiella pneumoniae capsular polysaccharide monoclonal antibody provided by the invention can be specifically combined with capsular polysaccharide of klebsiella pneumoniae, is beneficial to typing of the klebsiella pneumoniae in clinic, and can be proved to have an excellent effect on preventing and treating infection of K64 type klebsiella pneumoniae in animal in-vivo and in-vitro tests; the invention provides a way for solving the problems of klebsiella pneumoniae infection and multiple drug resistance, has obvious significance for preventing, diagnosing and treating klebsiella pneumoniae infection, and has important value for developing a new generation of klebsiella pneumoniae medicine.
Absstract of: US20260248865A1
0000 A bacteriophage having a wide host range for bacteria of the genus Salmonella is provided. The bacteriophage has bacteriolytic activity against bacteria of the genus Salmonella. The bacteriophage has a genomic DNA sequence comprising a gene encoding a tail tip protein consisting of a specific amino acid sequence. Methods of using the bacteriophage are also provided.
Absstract of: US20260248866A1
0000 An object of the present disclosure is to provide (i) a novel bacteriophage having lytic activity against a Salmonella species such as S. enteritidis or a lytic agent including the same, (ii) a bacteriophage having a broad host range against Salmonella species or a lytic agent including the same, (iii) a host-specific bacteriophage or an effective lytic agent for a Salmonella species including the same, or (iv) a bacteriophage or a lytic agent including the same, capable of effectively controlling S. typhimurium, particularly S. typhimurium having multidrug resistance. The present disclosure provides bacteriophages having specific genomic DNA sequences, lytic agents for Salmonella species including the same, and compositions including the same.
Absstract of: US20260248139A1
A novel bacteriophage having bacteriolytic activity against bacteria of the genus Salmonella, such as S. Enteritidis, and a bacteriolytic agent consisting of the same are provided. The bacteriophage and the bacteriolytic agent including the bacteriophage have a wide host range for bacteria of the genus Salmonella. A host-specific bacteriophage and an effective Salmonella bacteriolytic agent consisting of the same are provided. A bacteriophage capable of effectively controlling S. Typhimurium, and in particular, multidrug-resistant S. Typhimurium, and a bacteriolytic agent consisting of the same are also provided. A bacteriophage having a specific genomic DNA sequence; a Salmonella bacteriolytic agent consisting of the bacteriophage; and a composition comprising the same are provided.
Absstract of: CN122629000A
The invention discloses a strain of Escherichia coli bacteriophage capable of realizing cross-species lysis and application thereof, and belongs to the technical field of bacteriophages. The Escherichia coli bacteriophage vBE.coli PSD29 provided by the invention is preserved in the General Microbiological Culture Collection Center of the China Committee for Culture Collection of Microorganisms, and the preservation number is CGMCC No.47023. Experimental results show that the Escherichia coli bacteriophage vBE.coli PSD29 can split 11 strains of Escherichia coli and 2 strains of salmonella from different livestock sources, the splitting quantity is large, the Escherichia coli bacteriophage vBE.coli PSD29 can keep activity in the environment with the temperature of 4-65 DEG C and the pH value of 3-12, and a genome does not contain genes for coding virulence or drug resistance. The broad-spectrum bacteriophage which is wide in host spectrum, high in splitting power, stable in character and free of potential safety risks is provided for prevention and control of escherichia coli and salmonella in livestock breeding production.
Absstract of: CN122629198A
0001 本发明适用于生物医学诊断技术领域，提供了一种早产儿视网膜病变的肠道菌群标志物组合及其应用，其中，该肠道菌群标志物组合包括产气克雷伯菌和/或丁酸梭菌作为检测靶标。本发明首次在种水平上鉴定出与早产儿视网膜病变风险相关的特异性肠道菌群标志物；其中，肠道菌群中的产气克雷伯菌的丰度与早产儿视网膜病变的风险呈正相关，可作为早产儿视网膜病变的风险预警标志物；肠道菌群中的丁酸梭菌的丰度与早产儿视网膜病变的风险呈负相关，可作为早产儿视网膜病变的保护性标志物；本发明为早产儿视网膜病变的早期预警、风险评估及预后判断提供了全新的无创检测靶点。
Absstract of: CN122629066A
本发明公开了与大肠杆菌特异结合的适配体、生物传感器、试剂盒及用途，属于生物技术与体外诊断技术领域。该适配体包括如SEQ ID NO.1所示的核心序列；其中含有如SEQ ID NO.3所示的核心结合基序，完整序列如SEQ ID NO.2所示。本发明基于活体全菌SELEX技术筛选的适配体对大肠杆菌的亲和力高，特异性强，对复杂样本中的大肠杆菌的捕获效率显著提升。
Absstract of: CN122628211A
The invention belongs to the technical field of biological medicines, and discloses a recombinant protein subunit vaccine constructed by combining salmonella flagellin and a porcine epidemic diarrhea COE region. The invention specifically discloses a fusion protein, the fusion protein comprises a salmonella flagellin FliCL3A mutant and a PEDV (Porcine Epidemic Diarrhea Virus) structural protein, and the PEDV structural protein is connected to the C end of the salmonella flagellin FliCL3A mutant. A subunit vaccine obtained after emulsification of the fusion protein and an adjuvant provided by the invention can effectively prevent PEDV of a G2b subfamily, start a downstream immune response and induce an organism to generate a series of immune responses, so that a mucosal immune system of the organism generates a large number of PEDV specific antibodies to resist invasion of external pathogens, and a specific immune protection effect is achieved.
Absstract of: CN122612721A
0001 本发明涉及生物传感与微流控领域，具体公开了一种集成微流控的小型化电化学生物传感器芯片及其制备方法，包括微流控芯片主体和集成于其内的电化学生物传感器，微流控芯片主体内部设有微流控通道结构，电化学生物传感器包括基底及设置于基底上的工作电极、对电极和参比电极，微流控通道结构与工作电极的表面流体连通。本发明通过将微流控通道与三电极体系在微小面积内一体化集成，并对芯片的整体尺寸、基底厚度及重量进行协同优化，在保证流体密封与键合强度的前提下实现了芯片的显著小型化和轻量化，使其能够灵活适配无人平台载荷，满足移动化、现场化的快速生物侦检需求。
Absstract of: CN122612907A
0001 本发明公开一种C‑反应蛋白功能化广谱病原体捕获磁珠的制备及其在细菌‑病毒共感染免疫层析检测中的应用，基于CRP的复合标记物（CRP‑MDQD）通过逐层自组装策略在Fe<3>O<4>表面连续包覆两层致密的CdSe/ZnS‑COOH量子点构建而成，并公开了其在LFIA中同步富集检测铜绿假单胞菌和SARS‑CoV‑2 NP的应用价值。CRP‑MDQD LFIA平台实现了铜绿假单胞菌与SARS‑CoV‑2 NP的无抗体同步富集检测。该生物传感器具有卓越的基质耐受性，其"抗体非依赖"设计突破了传统多重检测的固有局限，为资源有限环境下病毒‑细菌混合感染的快速分诊提供了变革性床旁解决方案。
Absstract of: CN122603955A
The invention discloses application of a composition in preparation of a product for relieving salmonella infection, and relates to the technical field of biology. The composition comprises the following components in parts by weight: 50-70 parts of ganoderan, 25-35 parts of jerusalem artichoke polysaccharide, 25-35 parts of lentinan, 15-25 parts of radix polygonati officinalis powder and 15-35 parts of cacumen biotae. The composition provided by the invention can be used for effectively relieving the negative damage of salmonella infection to laying hens by regulating immune inflammation balance, repairing intestinal structure damage, regulating intestinal flora structure and metabolic function in a targeted manner, remodeling cecum flora structure, enriching anti-inflammatory beneficial bacteria, inhibiting pathogenic bacteria and enhancing flora carbon water metabolic capability. The invention provides theoretical basis and data support for preventing and controlling poultry salmonellosis by using the composition as a green feed additive.
Absstract of: CN122603991A
The invention discloses application of a valonia tannin extract in preparation of a feed additive for removing or reducing salmonella pollution on egg shell surfaces of laying hens and a method of the valonia tannin extract. According to the method, 250-500 mg/kg of valonia tannin extract is added into basic feed of laying hens, the positive rate of salmonella on the surfaces of eggshells can be reduced to 0% from 83.3%, and thorough removal is achieved. Meanwhile, the additive has no obvious influence on escherichia coli and the total number of bacteria on the surface of the eggshell, and shows a specific removal effect on salmonella; and no adverse influence is caused on the laying rate of laying hens, egg quality, water content of excrement and other production performance indexes. The invention provides a green, efficient and specific solution for controlling egg salmonella pollution under antibiotic-free culture conditions, and has remarkable industrial application value.
Absstract of: CN122612924A
0001 本发明属于致病菌检测技术领域，具体涉及一种检测沙门氏菌的SERS探针及试剂盒和检测方法。该SERS探针由金纳米双锥内核、包被金纳米双锥的普鲁士蓝壳层和偶联于探针表面的鼠伤寒沙门氏菌单克隆抗体组成，可结合噬菌体修饰的氨基化磁珠捕获技术，用于鼠伤寒沙门氏菌检测，在785 nm激发下，采集2151 cm<‑1>附近的SERS信号。结果表明，本发明的探针及检测方法，对鼠伤寒沙门氏菌的检测限为1 CFU/mL，具有良好的特异性，可避免背景干扰及其他病原菌干扰。
Absstract of: CN122609470A
本发明属于生物医药领域，具体涉及一种胸苷依赖型的鼠伤寒沙门氏菌工程菌及其组合物与应用。所述工程菌以鼠伤寒沙门氏菌VNP20009为出发菌株，经敲除胸苷酸合成酶基因thyA和插入腺苷脱氨酶编码基因，获得生长依赖外源嘧啶核苷酸、胞内表达或外膜表达腺苷脱氨酶的工程菌；胞内表达腺苷脱氨酶的工程菌为鼠伤寒沙门氏菌VNP20009‑cADD，保藏号为CGMCC No.37959；外膜表达腺苷脱氨酶的工程菌为鼠伤寒沙门氏菌VNP20009‑wADD，保藏号为CGMCC No.37956。该工程菌可肿瘤靶向定植、安全性更高，能在肿瘤局部降解腺苷、解除免疫抑制，联合放疗或免疫检查点抑制剂时可显著抑制实体瘤生长。
Absstract of: CN122608719A
The invention relates to the technical field of biology, in particular to an antibacterial peptide MZQ-28, a coding gene and application of the antibacterial peptide MZQ-28. The invention provides the novel antibacterial peptide MZQ-28 obtained by screening and designing based on artificial intelligence, the antibacterial peptide MZQ-28 can still maintain the antibacterial activity in a high-temperature and extreme pH environment, and has a remarkable inhibition effect on gram-negative bacteria (escherichia coli and salmonella choleraesuis) and gram-positive bacteria (staphylococcus aureus), the types of the antibacterial peptide are enriched, and the antibacterial peptide MZQ-28 can be used for preparing the antibacterial peptide. The compound is expected to be applied to preparation of products with antibacterial activity and replace antibiotics to be used for clinical treatment of fungal or bacterial infection, has potential application value in the fields of food preservation, cosmetics, biopesticide, feed additives and the like, and provides a new solution for solving the increasingly serious antibiotic drug resistance problem at present.
Absstract of: US20260240985A1
0000 The present invention relates to a non-viable bacterium cell wherein an immunogenic polypeptide fused to an auto-transporter comprising transmembrane linker and a trans-porter domain is displayed on the surface of the cell, and to a preparation comprising such non-viable cells. The preparation is useful as an oral vaccine.
Absstract of: US20260242416A1
Antimicrobial peptides (AMPs) exhibiting broad spectrum antimicrobial activity are described. Such peptides are useful in treating or preventing infections and other conditions, and are of special interest for treating antibiotic-resistant bacterial pathogens. Development of new AMPs is arduous due to the practical limitations of classical protein-based discovery approaches. A high throughput bioinformatics approach leading to identification of numerous antimicrobial peptides from known genomic sequences is described.
Absstract of: US20260242806A1
0000 The invention relates to re-engineering of a natural microbial syringe for loading of effector proteins that are not naturally found as cargo of the specific syringe. The cargo, that is one or more effector protein and proteins required for packing, can be up to 300 kDa and can be proteins such as toxins, therapeutic proteins, and gene modification tools. The re-engineering of the natural syringe result in a contractile injection system that allows packing of large cargo and cargo combinations, such as toxin-chimeras. The system comprises a Conserved Virulence Cassette encoding the syringe structure and is co-expressed with a sequence encoding cargo and a signal peptide. The signal peptide comprises a packing motif that enables packing of cargo into the syringe. The contractile injection system can be used for agricultural purposes as well as for medicinal purposes.
Absstract of: AU2026208127A1
Compositions, methods, kits, and uses are provided for detecting the presence of Salmonella, Shigella, Campylobacter, and Shigatoxigenic Escherichia coli (STEC) in samples. In some embodiments, the compositions, methods, kits, and uses comprise one or more oligonucleotides or the use of one or more oligonucleotides. ul u l
Absstract of: US20260243764A1
Described herein is a biosensor for detecting the presence of a target molecule in a sample. The biosensor comprises: a polymeric hydrogel; a colorimetric indicator entrapped in the polymeric hydrogel; and an oligonucleotide that crosslinks the polymeric hydrogel, wherein the oligonucleotide is separated in the presence of the target molecule, thereby releasing the colorimetric indicator from the hydrogel.
Nº publicación: EP4791755A2 19/08/2026
Applicant:
CHILDRENS MEDICAL CT CORP [US]
The Children's Medical Center Corporation
Absstract of: WO2025080776A2
Aspects of the invention described herein relate to a vaccine composition comprising at an antigenic polysaccharide and an immunomodulatory amount of a sialic acid binding moiety, wherein the sialic acid binding moiety comprises sialic acid binding domain (SBD) which is not fused to an antigenic polypeptide.
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