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    • 2. 发明公开
    • 식물병원성 진균에 항균 활성을 갖는 바실러스 아밀로리쿼파시엔스 GYL4 및 이를 이용한 항생물질의 제조방법
    • 对植物病原真菌有效的BACILLUS AMYLOLIQUEFACIENS GYL4及使用其制备抗生素的方法
    • KR1020130008673A
    • 2013-01-23
    • KR1020110066771
    • 2011-07-06
    • 고려대학교 산학협력단
    • 김범석강신애김정도한재우이동호
    • C12N1/20A01N63/02C12R1/07
    • PURPOSE: A method for manufacturing antibiotic produced from Bacillus amyloliquefaciens GYL4 is provided to obtain eco-friendly germicide composition with excellent biodegradation property and to prevent cucumber anthracnose. CONSTITUTION: A Bacillus amyloliquefaciens GYL4(deposit number: KACC91655P) has an antifungal activity against plant pathogenic fungi such as Fusarium oxysporum f.sp. lycopersici, Fusarium oxysporum f.sp. lycopersici JCM12575, Colletotrichum cocodes, Colletotrichum gloeosporioides, Colletotrichum orbiculare, or Cylindrocarpon destructans. A method for manufacturing antibiotics with the antifungal activity comprises: a step of extracting a Bacillus amyloliquefaciens GYL4 fungus body, a spore, a mixture thereof, or a culture medium with butanol; and a step of isolating and purifying bacillomycin D1 from the butanol extract.
    • 目的:提供从解淀粉芽孢杆菌GYL4生产抗生素的方法,以获得具有优异生物降解性能和防止黄瓜炭疽病的环保杀菌剂组合物。 构成:解淀粉芽孢杆菌GYL4(保藏号:KACC91655P)具有抗植物致病真菌如尖孢镰刀菌(Fusarium oxysporum f.sp.)的抗真菌活性。 番茄红素,尖孢镰孢(Fusarium oxysporum f.sp.) lycopersici JCM12575,Colletotrichum cocodes,Colletotrichum gloeosporioides,Colletotrichum orbiculare或Cylindrocarpon destructans。 制备抗真菌活性抗生素的方法包括:提取解淀粉芽孢杆菌GYL4真菌体,孢子,其混合物或具有丁醇的培养基的步骤; 以及从丁醇提取物中分离和纯化杆菌霉素D1的步骤。
    • 7. 发明授权
    • 프라디마이신의 생합성효소인 O―메틸트랜스퍼라제의유전자가 파괴된 액티노마두라 히비스카 변이균주 및 그생성물인 디메틸프라디마이신
    • 丙酰胆碱HIBISCA突变体与PRADIMICIN的分离的O-甲基衍生物基因和使用该衍生物的二甲基丙酰胺的制备
    • KR100834257B1
    • 2008-05-30
    • KR1020070007753
    • 2007-01-25
    • 고려대학교 산학협력단
    • 김범석김병철
    • C12N15/54C12N9/10
    • A mutant of Actinomadura hibisca is provided to produce only demethylpradimicin as a new antifungal antibiotic of pradimicin having a new structure by ruining an O-methyltransferase gene of pradimicin associated with methylation. A method for producing an Actinomadura hibisca mutant BC1(KACC 95057P) producing demethylpradimicin represented by the formula(2) comprises the steps of: (1) preparing a genomic DNA library of Actinomadura hibisca by using a cosmid vector, and obtaining a cosmid clone containing a pradimicin biosynthesis gene group; (2) inserting an antibiotic-resistant gene into an O-methyltransferase gene DNA fragment in the pradimicin A biosynthesis gene group to prepare a knock-out cassette; (3) integrating the knock-out cassette into the DNA fragment containing the pradimicin biosynthesis gene group to prepare a knock-out vector; and (4) introducing the knock-out vector into Actinomadura hibisca through conjugation, and transforming Actinomadura hibisca through homologous recombination to knock-out the O-methyltransferase gene.
    • 提供放线菌属(Ininomadura hibisca)的突变体,仅通过破坏与甲基化相关的普拉定霉素的O-甲基转移酶基因,仅产生具有新结构的新霉素的抗真菌抗生素的去甲基普拉霉素。 用于制备由式(2)表示的产生去甲基普拉霉素的放线菌赤霉病突变体BC1(KACC 95057P)的方法包括以下步骤:(1)通过使用粘粒载体制备益生素放线杆菌的基因组DNA文库,并获得含有 普拉定霉素生物合成基因组; (2)将抗生素抗性基因插入普拉定霉素A生物合成基因组中的O-甲基转移酶基因DNA片段中以制备敲除盒; (3)将敲除盒整合到含有普拉明霉素生物合成基因组的DNA片段中以制备敲除载体; (4)通过缀合将敲除载体引入放线杆菌,并通过同源重组转化Actinomadura hibisca以敲除O-甲基转移酶基因。
    • 9. 发明公开
    • 버크홀데리아 속 미생물에서 분리된 페나진 항생 물질 및 이의 제조 방법
    • 来自BURKHOLDERIA SP的PHENAZINE抗生素 及其生产方法
    • KR1020140074586A
    • 2014-06-18
    • KR1020120142698
    • 2012-12-10
    • 고려대학교 산학협력단
    • 김범석한재우함종현
    • C07D241/46A01N43/60A01P1/00
    • The present invention relates to a novel phenazine group antibacterial substance having an antibacterial effect against plant pathogens produced by Burkholderia glumae 411gr-6 and, more specifically, to 5, 10-dihydro-4, 9-dihydroxyphencomycin methyl ester represented by chemical formula 1, phencomycin (CAS# 146615-53-4), 4-hydroxyphencomycin, and 4-hydroxyphencomycin methyl ester (CAS# 79417-76-8) represented by chemical formula 3, and to a method for producing the same. The novel phenazine group antibacterial substance is able to inhibit the spore germination and hypha growth of the plant pathogens, including Phythophthora capsici, Colletotrichum orbiculare, Botrytis cinerea, and Magnaporthe oryzae, causing serious financial damage with regards to fruit trees and agricultural products, at low doses, thereby providing a low-toxic and eco-friendly new pest control agent against plant diseases.
    • 本发明涉及一种对由伯克霍尔德氏菌411gr-6产生的植物病原体具有抗菌作用的新型吩嗪基抗菌物质,更具体地说,涉及由化学式1表示的5,10-二氢-4,9-二羟基顺铂霉素甲酯, 苯甲霉素(CAS#146615-53-4),4-羟基辛青霉素和由化学式3表示的4-羟基辛羟霉素甲酯(CAS#79417-76-8)及其制备方法。 新颖的吩嗪类抗菌物质能够抑制植物病原体的孢子萌发和菌丝生长,包括辣椒疫霉(Colphtotrichum orbiculare),灰葡萄孢(Botrytis cinerea)和稻米谷(Magnaporthe oryzae),对果树和农产品造成严重的财务损失 从而为植物疾病提供一种低毒,环保的新型有害生物防治剂。