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    • 53. 发明申请
    • BIOLOGICAL DETECTION SYSTEM AND METHOD
    • 生物检测系统和方法
    • WO2009005869A2
    • 2009-01-08
    • PCT/US2008/059465
    • 2008-04-04
    • GUILD ASSOCIATES, INC.SCHOFIELD, David Alexander
    • SCHOFIELD, David Alexander
    • C12Q1/04C12Q1/66G01N33/569
    • C12Q1/04C12N15/1086C12N2795/00011C12N2795/10311C12N2795/14111C12Q1/66G01N33/569G01N33/56983G01N2333/32
    • The present disclosure, according to some embodiments, relates to phage-based biological detection systems, compositions, and methods. In some embodiments, it relates to a detection system and method using phage binding and bacterial infection to detect the presence of a target molecule (e.g., a toxin). One detection system may include a genetically engineered phage that expresses a surface molecule able to bind a target molecule and/or target microorganism; a bacterium susceptible to infection by the phage; and a detection component able to determine whether the bacterium has been infected by the phage. Infection of a bacterium by a phage may be indicative of phage binding to the target molecule and/or target microorganism. One method may include placing a sample suspected of containing the target molecule and/or target microorganism with a binder; adding a genetically engineered phage having reporter genetic material and able to bind the target molecule and/or target microorganism; washing away unbound phage; releasing phage bound to the target molecule and/or target microorganism; infecting a bacterium with the released phage; and detecting the presence of any reporter genetic material in the bacterium. Reporter material in the bacterium may correlate with target molecule and/or target microorganism in the sample. In some embodiments, the disclosure relates to a detection system and method using phage comprising a reporter to infect a microorganism (e.g., Bacillus anthracis), wherein the reporter is selectively (e.g., only) detectable upon phage infection.
    • 根据一些实施方案,本公开涉及基于噬菌体的生物检测系统,组合物和方法。 在一些实施方案中,其涉及使用噬菌体结合和细菌感染来检测靶分子(例如毒素)的存在的检测系统和方法。 一种检测系统可以包括表达能够结合靶分子和/或靶微生物的表面分子的基因工程噬菌体; 易受噬菌体感染的细菌; 以及能够确定细菌是否已被噬菌体感染的检测组分。 通过噬菌体感染细菌可以指示噬菌体与靶分子和/或靶微生物的结合。 一种方法可以包括将怀疑含有靶分子和/或靶微生物的样品与粘合剂一起放置; 添加具有报道基因材料并能够结合靶分子和/或靶微生物的基因工程噬菌体; 洗去未结合的噬菌体; 释放与靶分子和/或靶微生物结合的噬菌体; 用释放的噬菌体感染细菌; 并检测细菌中任何报道基因物质的存在。 细菌中的报道物质可能与样品中的靶分子和/或靶微生物相关。 在一些实施方案中,本公开涉及使用包含报道分子的噬菌体来感染微生物(例如炭疽芽孢杆菌)的检测系统和方法,其中报道分子在噬菌体感染后选择性地(例如,仅)可检测到。
    • 54. 发明申请
    • BACTERIOPHAGES AS SELECTIVE AGENTS
    • 作为选择性代理的细菌
    • WO2006050193A2
    • 2006-05-11
    • PCT/US2005039133
    • 2005-10-31
    • STRATEGIC DIAGNOSTICS INCSTAVE JAMES WTEANEY GEORGE B
    • STAVE JAMES WTEANEY GEORGE B
    • C12Q1/04C12N7/00
    • C12Q1/04C12N7/00C12N2795/00011C12N2795/10045C12Q1/10G01N2333/005G01N2333/255
    • Compositions containing bacteriophages and methods of using bacteriophages in microorganism detection assays and microbial growth and plating media are disclosed. The lytic ability of these phages to control the growth of non-target populations provides superior sensitivity and specificity to detection assays and reduces false negative and false positive results. The removal of contaminating bacteria reduces the microbial competition for nutrients in the growth media thereby increasing the efficiency and productivity of the culture. The phage treatment of the sample increases the proportion of target microorganisms in the sample over contaminating bacteria thereby requiring less time for enrichment to obtain a significant signal improving overall signal to noise ratio in assays and providing for higher yield of end product in microbiological production systems.
    • 公开了包含噬菌体的组合物和在微生物检测测定和微生物生长和电镀培养基中使用噬菌体的方法。 这些噬菌体控制非目标群体生长的溶解能力为检测测定提供了出色的灵敏度和特异性,并减少了假阴性和假阳性结果。 污染细菌的去除减少了生长培养基中营养物的微生物竞争,从而提高了培养物的效率和生产力。 样品的噬菌体处理增加了样品中目标微生物在污染细菌上的比例,从而需要更少的浓缩时间来获得显着的信号,从而提高了测定中的整体信噪比,并提供了微生物生产系统中最终产品的更高产量。
    • 55. 发明申请
    • СПОСОБ НЕЙТРАЛИЗАЦИИ СПОР И ВЕГЕТАТИВНЫХ КЛЕТОК ВАСILLUS АΝTHRАСIS
    • 用于中和黑曲霉ANTHRACIS SPORES和植物细胞的生物学
    • WO2010064950A1
    • 2010-06-10
    • PCT/RU2008/000753
    • 2008-12-05
    • ОТКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "ИНСТИТУТ ИНЖЕНЕРНОЙ ИММУНОЛОГИ"ПОПОВ, Виктор ГригорьевичПЧЕЛИНЦЕВ, Сергей ЮрьевичОЗЕРОВ, Михаил ЮрьевичПОПОВ, Денис Викторович
    • ПОПОВ, Виктор ГригорьевичПЧЕЛИНЦЕВ, Сергей ЮрьевичОЗЕРОВ, Михаил ЮрьевичПОПОВ, Денис Викторович
    • C12N7/00C12Q1/70
    • C12N7/00C12N2795/00011
    • Изобретение относится к области биотехнологии, а именно к способам дезинфекции, используемым при заражении окружающей среды бациллами сибирской язвы. Предложен эффективный и экологически безопасный способ нейтрализации спор и вегетативных клеток Васillus аnthrасis, включающий обработку зараженной поверхности дезинфицирующим средством, представляющим собой водный раствор, содержащий смесь бактериофагов Васillus аnthrасis OZR-1, Васillus аnthrасis Ф-2, Васillus аnthrасis ФАУТ при соотношении активностей (БОЕ/см 3 ) Васillus аnthrасis OZR-1: Васillus аnthrасis Ф-2: Васillus аnthrасis ФАУТ = 1 :(0,2-1):(0,1-1) и активатор прорастания спор L-аланин Раствор для дезинфекции готовят смешением в растворе раздельно хранящихся L-аланина и комплекса бактериофагов, выращенных по отдельности и смешанных в заданных соотношениях. Предпочтительно, используется водный раствор, содержащий смесь бактериофагов в концентрации 10 10 - 10 12 БOE/л и активатор прорастания спор в концентрации 0.05 - 0.15 моль/л. Для достижения полного эффекта и закрепления результата обработка зараженной поверхности проводится дважды с интервалом 60-180 минут, а эффективной дезинфекции можно добиться, используя раствор из расчета 10 11 - 10 12 фаговых частиц на 10м 2 зараженной поверхности.
    • 本发明涉及生物技术,特别涉及用炭疽杆菌污染环境消毒的方法。 中和的方法是孢子和营养细胞是有效和生态友好的,并且涉及用包含以下物质的混合物的水溶液形式的消毒剂处理污染的表面: 为OZR-1,F为2,F为2,F为?thr thr ?? UT UT UT UT UT UT UT UT UT UT UT ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??--OZR- 1,us thr thr thr ?? is is is is ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? UT UT UT UT UT UT UT :( :( :( :( :( :( :( :( :( :( :( :( :( :( :( :( :(。。。。。。 通过将分开存储的L-丙氨酸和噬菌体的复合物混合制备消毒溶液,所述噬菌体分别生长并以指定的比例混合。 优选使用含有浓度为1010-1012PFU / l的噬菌体混合物和浓度为0.05-0.15mol / l的孢子萌发活化剂的水溶液。 为了获得全面的效果并确定结果,污染的表面以60-180分钟的间隔进行两次处理,并且可以通过使用基于每10平方米污染的1011-1012个噬菌体颗粒的溶液来实现有效的消毒 表面。
    • 56. 发明申请
    • BIOLOGICAL DETECTION SYSTEM AND METHOD
    • 生物检测系统及方法
    • WO2009005869A3
    • 2009-08-20
    • PCT/US2008059465
    • 2008-04-04
    • GUILD ASS INCSCHOFIELD DAVID ALEXANDER
    • SCHOFIELD DAVID ALEXANDER
    • C12Q1/04C12Q1/66C12Q1/70G01N33/569
    • C12Q1/04C12N15/1086C12N2795/00011C12N2795/10311C12N2795/14111C12Q1/66G01N33/569G01N33/56983G01N2333/32
    • The present disclosure, according to some embodiments, relates to phage-based biological detection systems, compositions, and methods. In some embodiments, it relates to a detection system and method using phage binding and bacterial infection to detect the presence of a target molecule (e.g., a toxin). One detection system may include a genetically engineered phage that expresses a surface molecule able to bind a target molecule and/or target microorganism; a bacterium susceptible to infection by the phage; and a detection component able to determine whether the bacterium has been infected by the phage. Infection of a bacterium by a phage may be indicative of phage binding to the target molecule and/or target microorganism. One method may include placing a sample suspected of containing the target molecule and/or target microorganism with a binder; adding a genetically engineered phage having reporter genetic material and able to bind the target molecule and/or target microorganism; washing away unbound phage; releasing phage bound to the target molecule and/or target microorganism; infecting a bacterium with the released phage; and detecting the presence of any reporter genetic material in the bacterium. Reporter material in the bacterium may correlate with target molecule and/or target microorganism in the sample. In some embodiments, the disclosure relates to a detection system and method using phage comprising a reporter to infect a microorganism (e.g., Bacillus anthracis), wherein the reporter is selectively (e.g., only) detectable upon phage infection.
    • 根据一些实施方案的本公开涉及基于噬菌体的生物检测系统,组合物和方法。 在一些实施方案中,本发明涉及使用噬菌体结合和细菌感染来检测靶分子(例如毒素)的存在的检测系统和方法。 一个检测系统可以包括表达能够结合靶分子和/或靶微生物的表面分子的遗传工程化噬菌体; 易受噬菌体感染的细菌; 以及能够确定细菌是否已经被噬菌体感染的检测组分。 通过噬菌体感染细菌可以指示噬菌体与靶分子和/或靶微生物的结合。 一种方法可以包括将疑似含有靶分子和/或靶微生物的样品置于粘合剂中; 添加具有报道基因材料并能够结合靶分子和/或靶微生物的遗传工程化噬菌体; 洗去未结合的噬菌体; 释放与靶分子和/或靶微生物结合的噬菌体; 用释放的噬菌体感染细菌; 并检测细菌中任何报道基因物质的存在。 细菌中的记录物质可能与样品中的靶分子和/或靶微生物相关。 在一些实施方案中,本公开涉及使用包含报告基因以感染微生物(例如炭疽芽孢杆菌)的噬菌体的检测系统和方法,其中所述报道分子在噬菌体感染时可选择性地(例如仅)可检测。
    • 57. 发明申请
    • CULTURES WITH IMPROVED PHAGE RESISTANCE
    • 具有改善抗药性的文化
    • WO2008108989A2
    • 2008-09-12
    • PCT/US2008/002714
    • 2008-02-29
    • DANISCO A/SBARRANGOU, RodolpheFREMAUX, ChristopheHORVATH, PhilippeROMERO, DennisBOYAVAL, Patrick
    • BARRANGOU, RodolpheFREMAUX, ChristopheHORVATH, PhilippeROMERO, DennisBOYAVAL, Patrick
    • C12N7/00
    • C12N15/746A23C9/123A23C9/1238A23C2220/202A23Y2240/75C12N1/20C12N2795/00011C12Q1/70C12Q2525/151
    • The present invention provides methods and compositions related to modulating the resistance of a cell against a target nucleic acid or a transcription product thereof. In some preferred embodiments, the present invention provides compositions and methods for the use of one or more cas genes or proteins for modulating the resistance of a cell against a target nucleic acid or a transcription product thereof. In some embodiments, the present invention provides methods and compositions that find use in the development and use of strain combinations and starter culture rotations. In additional embodiments, the present invention provides methods for labelling and/or identifying bacteria. In some preferred embodiments, the present invention provides methods for the use of CRISPR loci to determine the potential virulence of a phage against a cell and the use of CRISPR-cas to modulate the genetic sequence of a phage for increased virulence level. In still further embodiments, the present invention provides means and compositions for the development and use of phages as biocontrol agents.
    • 本发明提供了与调节细胞对靶核酸或其转录产物的抗性相关的方法和组合物。 在一些优选实施方案中,本发明提供了使用一种或多种cas基因或蛋白质调节细胞对靶核酸或其转录产物的抗性的组合物和方法。 在一些实施方案中,本发明提供了用于开发和使用菌株组合和起始培养旋转的方法和组合物。 在另外的实施方案中,本发明提供用于标记和/或鉴定细菌的方法。 在一些优选的实施方案中,本发明提供了使用CRISPR基因座确定噬菌体对细胞的潜在毒力的方法,以及使用CRISPR-cas调节噬菌体的遗传序列以增加毒力水平。 在另外的实施方案中,本发明提供用于开发和使用噬菌体作为生物防治剂的方法和组合物。