JP4163506B2 - 細菌代謝産物の検出 - Google Patents
細菌代謝産物の検出 Download PDFInfo
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- JP4163506B2 JP4163506B2 JP2002552946A JP2002552946A JP4163506B2 JP 4163506 B2 JP4163506 B2 JP 4163506B2 JP 2002552946 A JP2002552946 A JP 2002552946A JP 2002552946 A JP2002552946 A JP 2002552946A JP 4163506 B2 JP4163506 B2 JP 4163506B2
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- Prior art keywords
- hydrogen
- group
- formula
- substrate
- indoxylcholine
- Prior art date
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- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
- ITQZXSIQTRODSU-UHFFFAOYSA-M C[N](C)(C)CCOP([O-])(Oc(c1c2Cl)c[nH]c1ccc2Br)=O Chemical compound C[N](C)(C)CCOP([O-])(Oc(c1c2Cl)c[nH]c1ccc2Br)=O ITQZXSIQTRODSU-UHFFFAOYSA-M 0.000 description 1
- 241001660259 Cereus <cactus> Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- JZNWSCPGTDBMEW-UHFFFAOYSA-N Glycerophosphorylethanolamin Natural products NCCOP(O)(=O)OCC(O)CO JZNWSCPGTDBMEW-UHFFFAOYSA-N 0.000 description 1
- SQUHHTBVTRBESD-UHFFFAOYSA-N Hexa-Ac-myo-Inositol Natural products CC(=O)OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O SQUHHTBVTRBESD-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 101710112684 Non-hemolytic phospholipase C Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
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- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- LGDAGYXJBDILKZ-UHFFFAOYSA-N [2-methyl-1,1-dioxo-3-(pyridin-2-ylcarbamoyl)-1$l^{6},2-benzothiazin-4-yl] 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OC=1C2=CC=CC=C2S(=O)(=O)N(C)C=1C(=O)NC1=CC=CC=N1 LGDAGYXJBDILKZ-UHFFFAOYSA-N 0.000 description 1
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- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
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- 125000002252 acyl group Chemical group 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 229940091771 aspergillus fumigatus Drugs 0.000 description 1
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- 230000007921 bacterial pathogenicity Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
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- 238000009835 boiling Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000000337 buffer salt Substances 0.000 description 1
- LLSDKQJKOVVTOJ-UHFFFAOYSA-L calcium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ca+2] LLSDKQJKOVVTOJ-UHFFFAOYSA-L 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 229910000335 cobalt(II) sulfate Inorganic materials 0.000 description 1
- 238000007398 colorimetric assay Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- KXGVEGMKQFWNSR-LLQZFEROSA-N deoxycholic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(O)=O)C)[C@@]2(C)[C@@H](O)C1 KXGVEGMKQFWNSR-LLQZFEROSA-N 0.000 description 1
- 229960003964 deoxycholic acid Drugs 0.000 description 1
- KXGVEGMKQFWNSR-UHFFFAOYSA-N deoxycholic acid Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(O)=O)C)C1(C)C(O)C2 KXGVEGMKQFWNSR-UHFFFAOYSA-N 0.000 description 1
- 229940079919 digestives enzyme preparation Drugs 0.000 description 1
- 238000007824 enzymatic assay Methods 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000004665 fatty acids Chemical group 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
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- 239000001963 growth medium Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 244000052637 human pathogen Species 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000007327 hydrogenolysis reaction Methods 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 1
- 229960000367 inositol Drugs 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 239000008176 lyophilized powder Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 229940061634 magnesium sulfate heptahydrate Drugs 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- 229940099607 manganese chloride Drugs 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- CNFDGXZLMLFIJV-UHFFFAOYSA-L manganese(II) chloride tetrahydrate Chemical compound O.O.O.O.[Cl-].[Cl-].[Mn+2] CNFDGXZLMLFIJV-UHFFFAOYSA-L 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- GCRLIVCNZWDCDE-UHFFFAOYSA-N n-methyl-n-(2,3,4,5,6-pentahydroxyhexyl)nonanamide Chemical compound CCCCCCCCC(=O)N(C)CC(O)C(O)C(O)C(O)CO GCRLIVCNZWDCDE-UHFFFAOYSA-N 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000008104 phosphatidylethanolamines Chemical class 0.000 description 1
- 150000003904 phospholipids Chemical group 0.000 description 1
- 239000013612 plasmid Substances 0.000 description 1
- 229940068965 polysorbates Drugs 0.000 description 1
- GKAMNGMEOQWSHF-UHFFFAOYSA-L potassium;sodium;chloride;hydroxide Chemical compound [OH-].[Na+].[Cl-].[K+] GKAMNGMEOQWSHF-UHFFFAOYSA-L 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000159 protein binding assay Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000405 serological effect Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- 230000036962 time dependent Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- RZLVQBNCHSJZPX-UHFFFAOYSA-L zinc sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O RZLVQBNCHSJZPX-UHFFFAOYSA-L 0.000 description 1
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
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- G01N2333/90—Enzymes; Proenzymes
- G01N2333/914—Hydrolases (3)
- G01N2333/916—Hydrolases (3) acting on ester bonds (3.1), e.g. phosphatases (3.1.3), phospholipases C or phospholipases D (3.1.4)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
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Description
E.L. Krug及びC. Kent, Methods in Enzymology 71 (1981), 347 Kurioka等, S. Kurioka, M. Matsuda; Analytical Biochemistry 75 (1976), 281 S. Kurioka; Jounal of Biochemistry 63 (1968), 678 G.L. Chrisope等; Applied and Environmental Microbiology 31 (1976), 784 C.R. Carlson, Applied and Environmental Microbiology 60 (1994), 1719
(A)興味ある微生物を含む疑いのある試験サンプルを準備する工程;
(B)好ましくは富栄養ブロスステップに試験サンプルをかける工程;
(C)少なくとも試験サンプルの一部、または工程(B)で得られた産物を、微生物に曝した際に発色を生ずることが可能な少なくとも一つの式(I)の化合物を含む培地である、微生物の培養に適した培地に移す工程;
(D)前記発色を示す少なくとも一つのコロニーを形成するように移された一部を含む培地を培養する工程;及び
(E)最終同定のために発色化コロニーの少なくとも一部を回収する工程;
を含む、ホスファチジルコリン特異的ホスホリパーゼC(PC−PLC)を生産可能な細菌性微生物の同定方法を提供する。
による、式(I)の化合物の生産方法を提供する。
4−クロロ−3−インドキシルコリンホスファート;
5−ブロモ−3−インドキシルコリンホスファート;
5−ブロモ−6−クロロ−3−インドキシルコリンホスファート(ここで「Magenta−CP」と称される);
6−クロロ−3−インドキシルコリンホスファート(ここで「Salmon−CP」と称される);及び
6−フルオロ−3−インドキシルコリンホスファート。
本発明は、実施例を使用して、及び添付の図面を参考にして、より詳細に制限することなくここで説明されるであろう。
1−アセチル−5−ブロモ−4−クロロ−3−インドキシル−ジクロロホスファート(1−アセチル−5−ブロモ−4−クロロ−3−インドキシル−ホスホロジクロロリダート)を、本質的に既知の態様で調製した。J.P. Horwitz, J.V. Freisler; Jounal of Medicinal Chemistry 13 (1970), 1024参照。1−アセチル−3−インドキシル−ジクロロホスファートを、類似の態様で調製した。ヨウ化コリンを、B. Chesebro及びH. Metzger(Biochemistry 11 (1972), 766)の方法によって合成した。
工程1:1−アセチル−5−ブロモ−4−クロロ−3−インドキシルコリンホスファートの調製
1−アセチル−5−ブロモ−4−クロロ−3−インドキシル−ジクロロホスファート(4.06g、10mMol)を、純粋アセトニトリル(12ml)中で窒素下でけん濁し、ヨウ化コリン(2.31g;10mMol)を加えた。混合物を環境温度で攪拌し、キノリン(1.46ml;10mMol)を5分の間隔以内で滴下した。ヨウ化コリンがゆっくりと溶解した。わずかに濁った溶液が1時間後に得られ、同じ温度でさらに2時間の期間攪拌した。
1−アセチル−5−ブロモ−4−クロロ−3−インドキシルコリンホスファート(0.51g;1.1mMol)を、窒素下でメタノール(10ml)中のアンモニアの2N溶液に溶解した。抽出物を迅速に溶解し、緑黄色の溶液が生じた。2時間後溶媒を真空下で除去した。
工程1:1−アセチル−3−インドキシルコリンホスファートの調製
1−アセチル−3−インドキシル−ジクロロホスファート(8.76g、30mMol)を、純粋アセトニトリル(36ml)で窒素下で懸濁し、ヨウ化コリン(6.93g;30mMol)を加えた。混合物を環境温度で攪拌し、キノリン(4.38ml;30mMol)を15分間滴下した。ヨウ化コリンをゆっくりと溶解し、わずかに濁った溶液が30分後に得られた。溶液を同じ温度で数字管攪拌した。黄褐色の液体を、水中(60ml)にピリジン(16.8ml;210mMol)の冷却(0−5℃)溶液に滴下した。
メタノール(28ml)中のアンモニアの2N溶液を、1−アセチル−3−インドキシル−コリンホスファート(2.72g;8mMol)に10−20℃の温度で窒素下で加えた。抽出物を迅速に溶解し、わずかに青色の溶液を得た。3時間後にアセトン(80ml)を加えた。溶液を種晶し、その際に白色の結晶状沈降物が迅速に形成された。懸濁液を環境温度で30分間攪拌し、次いでアイスバスに2時間置いた。産物をガラスフィルター漏斗での濾過により回収し、結晶をアセトン(2×20ml)で洗浄した。産物を真空下で乾燥し、1.58g(66%)の白色の結晶パウダーを得た。m.p.261−262℃(dec.)。
Clostridium perfrigensのPC−PLCでの酵素的加水分解によるX−ホス−コリン(X−CP)からの迅速な発色形成に対する、好ましい添加剤または添加剤の組み合わせを選択するため、単純な試験チューブ実験を実施した。
〜1.7mgのX−CPを、1mlのpH7.0の0.1N HEPES/NaOHバッファーに溶解し、〜4mMolの基質の溶液を生じた。
− 0.1%でのウシ血清アルブミン(Fluka 05470) (BSA)
− 0.01%での硫酸マグネシウム七水和物(Fluka 63140) (Mg2+)
− 0.01%での塩化カルシウム二水和物(Fluka 21098) (Ca2+)
− 0.01%での硫酸マンガン(II)一水和物(Fluka 63554) (Mn2+)
− 0.01%での硫酸コバルト(II)七水和物(Fluka 00622) (Co2+)
− 0.01%での硫酸ニッケル(II)六水和物(Fluka 72280) (Ni2+)
− 0.01%での硫酸亜鉛六水和物(Fluka 96500) (Zn2+)
Pye Unicam SP 6-450 UV/VISとして既知の分光光度計を、これらの実施例で使用した。分光光度計を652nmにセットした。
温度の効果
第一セットの実験では、Clostridium perfringensから得たPC−PLCによるX−CPの酵素的切断に対する温度の影響を試験した。この場合、キュベットはX−CPと基質のそれぞれの添加の前にインキュベートされないが、反応は酵素の添加によって開始された。
20mM(24.7mg/3ml)でのX−CP、0.3%でのBSA、0.025%(1.05mMol)での塩化コバルト(II)七水和物。
ΔA=ε・Δc・d(d=1cm;5,5’−ジブロモ−4,4’−ジクロロインジゴ色素について吸光係数ε=6000Lmol−1cm−1)。
X−CPの濃度依存性
X−CP濃度の影響を、58−59℃で実施されたこの第二セットの実験で試験した。固定したパラメーターは以下の通りであった:0.1%でのBSA、0.01%(0.356mM)での硫酸コバルト(II)七水和物(Fluka 00622)、1ユニットの酵素、実施例4参照。
Vmax=1/0.0032=312nMol分−1(使用された酵素の1ユニット=3.333μgについて);
Vmax=312nMol分−1(3.333μg酵素)−1=93.6nMol分−1(μg酵素)−1〜94μMol分−1(mg酵素)−1;
Km=0.1349/0.0032〜42mMol
酵素濃度依存性
これらの試験は、切断速度と適用された酵素の量の間の相関関係を確立するために実施された。パラメーターは以下の通りであった:
10mMでのX−CP(12.35mg/3ml)、0.1%でのBSA、0.01%での硫酸コバルト(II)七水和物。実施例5参照。
(a)X−CP及びY−CPの効力を試験するためのプレーティング培地の調製とイノキュレーション
微生物株
Bacillus cereus (ATCC 13061)、Bacillus thuringiensis (ATCC 33680)、及びPseudomonas aeruginosa(ATCC 15442)を、Difco Brain Heart Infusion Agar (BHIA)スラント上に4℃で貯蔵した。培養物を毎月新鮮なBHIAスラントに移した。B. cereus、B. thuringiensis、及びP. aeruginosa細胞のループフルを、Difco Brain Heart Infusion Broth (BHIB)に無菌的に移し、24時間35℃でインキュベートした。インキュベーションの後、これらの細胞を使用して、PC−PLCの比色測定検出のための試験プレーティング培地にストリークした。
Difco Tryptic Soy Agar (TSA)を、基底プレーティング培地として使用した。TSAを製造者の説明書に従って調製した。培地の煮沸によりアガーを溶解し、培地を分割した。特定の濃度の以下の化学物質を、熱い培地に加えた:
0.1%(wt/vol)での塩化マンガン四水和物(Sigma M-3634);
0.05%(wt/vol)でのTween(登録商標)80(ポリオキシエチレンソルビタンモノオレアート;Difco);
20%(wt/vol)でのソルビトール(Difco 0179);
0.078g/100mlでの硫酸銅五水和物(Sigma C-7631);
0.015g/100mlでの硫酸亜鉛七水和物(Sigma Z-4750);
0.074g/100mlでの塩化カルシウム二水和物(Fisher);
0.012g/100mlでの硫酸マグネシウム無水物(Sigma M-7506)。
前述の24時間のBHIB培養物から得た細胞を、特定の化学物質を含むTSA培地にストリークした。Bacillus cereus、Bachillus thringiensis、及びPseudomonas aeruginosaでイノキュレートしたプレートを、24時間35℃で嫌気的にインキュベートした。インキュベーションの後、コロニーの形態を特別な発色のフェーズで測定した。
結果:各種のTSA培地でのBacillus cereus、Bachillus thringiensis、及びPseudomonas aeruginosaについての発色を含むコロニーの形態は、表5に示されている。
Claims (29)
- Rが水素及びメチルからなる群から選択され;R1が水素及びハロゲンからなる群から選択され;R2が水素、ハロゲン、シアノ、ニトロからなる群から選択され;並びにR3及びR4が水素及びハロゲンからなる群から独立に選択される請求項1に記載の化合物。
- Rが水素であり、R1が水素及び塩素から選択され、R2が水素及び臭素から選択され、R3が水素、塩素、及びフッ素から選択され、及びR4が水素であり;好ましくはR、R1及びR4が水素であり、R2が水素または臭素であり、R3が塩素である請求項1または2に記載の化合物。
- 請求項1から5のいずれか一項に記載の少なくとも一つの発色性3−インドキシルコリンホスファート化合物を含む、微生物活性の指標としてのホスファチジルコリン特異的ホスホリパーゼC酵素の検出のための基質。
- 血清アルブミン、界面活性剤、及び金属イオンからなる群から選択される少なくとも一つの添加剤をさらに含む請求項6に記載の基質。
- 少なくとも一つの金属イオンと、界面活性剤及び血清アルブミンからなる群から選択される少なくとも一つのメンバーとをさらに含む請求項6に記載の基質。
- 前記金属イオンが、コバルト、マンガン、ニッケル、亜鉛、カルシウム、またはマグネシウムの二価イオンである請求項7または8に記載の基質。
- 式(I):
の少なくとも一つの3−インドキシルコリンホスファート化合物を含む基質と、ホスファチジルコリン特異的ホスホリパーゼC酵素を含む疑いのあるサンプルを接触させる工程、並びに前記ホスファチジルコリン特異的ホスホリパーゼC酵素の疑いのある前記サンプルの結果として、色素の形成をモニターする工程を含む、ホスファチジルコリン特異的ホスホリパーゼC酵素の検出方法。 - Rが水素及びメチルからなる群から選択され;R1が水素及びハロゲンからなる群から選択され;R2が水素、ハロゲン、シアノ、ニトロからなる群から選択され;並びにR3及びR4が水素及びハロゲンからなる群から独立に選択される請求項10に記載の方法。
- Rが水素であり、R1が水素及び塩素から選択され、R2が水素及び臭素から選択され、R3が水素、塩素、及びフッ素から選択され、及びR4が水素であり;好ましくはR、R1及びR4が水素であり、R2が水素または臭素であり、R3が塩素である請求項10または11に記載の方法。
- 前記基質が、血清アルブミン、界面活性剤、及び金属イオンからなる群から選択される少なくとも一つの添加剤をさらに含む請求項10から13のいずれか一項に記載の方法。
- 前記基質が、少なくとも一つの金属イオンと、界面活性剤及び血清アルブミンからなる群から選択される少なくとも一つのメンバーとをさらに含む請求項10から13のいずれか一項に記載の方法。
- 前記金属イオンが、コバルト、マンガン、ニッケル、亜鉛、カルシウム、またはマグネシウムの二価イオンである請求項14または15に記載の方法。
- 前記ホスファチジルコリン特異的ホスホリパーゼC酵素が、Clostridium perfringens、Clostridium novyi、Bacillus cereus、Bacillus thuringensis、Bacillus anthracis、Pseudomonas aeruginosa、Helicobacter pylori、Legionella pneumophila、Listeria monocytogenes、Aspergillus fumigatus、及びCandida albicansからなる群から選択される病原体から由来する請求項10から16のいずれか一項に記載の方法。
- (i)請求項1から5のいずれか一項に記載の少なくとも一つの式(I)の化合物を含む基質とサンプルを接触させる工程;及び(ii)比色測定手段によって前記基質と接触させた前記サンプルを調べる工程を含む、サンプル中の微生物活性の検出方法。
- 前記基質が、血清アルブミン、界面活性剤、及び金属イオンからなる群から選択される少なくとも一つの添加剤をさらに含み、好ましくは前記金属イオンが、コバルト、マンガン、ニッケル、亜鉛、カルシウム、またはマグネシウムの二価イオンである請求項18に記載の方法。
- Clostridium perfringens、Clostridium novyi、Bacillus cereus、Bacillus thuringensis、Bacillus anthracis、Pseudomonas aeruginosa、Helicobacter pylori、Legionella pneumophila、及びListeria monocytogenesを含む群の細菌の検出における、並びに酵母Candida albicansの検出におけるスクリーニング試験としての使用のための請求項18または19に記載の方法。
- 請求項1から5のいずれか一項記載の少なくとも一つの式(I)の化合物を含む、細菌活性の指標としてのホスファチジルコリン特異的ホスホリパーゼC酵素の検出のためのキット。
- 請求項6から9のいずれか一項に記載の基質による、PC−PLCの検出のためのアッセイ方法。
- 請求項6から9のいずれか一項に記載の基質による、Clostridium perfringensを含む疑いのあるサンプル中のClostridium perfringensの病原性株の存在を検出するためのアッセイ方法。
- 式(IV)によって表される5−ブロモ−4−クロロ−3−インドキシルコリンホスファート、または式(V)によって表される3−インドキシルコリンホスファート、ウシ血清アルブミン、及び少なくとも一つのCo2+イオンの供給源を含む基質による、Clostridium perfringensを含む疑いのあるサンプル中のClostridium perfringensの病原性株の存在を検出するためのアッセイ方法。
- 式(IV)によって表される5−ブロモ−4−クロロ−3−インドキシルコリンホスファート、または式(V)によって表される3−インドキシルコリンホスファート、ウシ血清アルブミン、ポリオキシエチレンソルビタンモノオレアート、及び少なくとも一つのMn2+イオンの供給源を含む基質による、Bacillus cereus、Bacillus thuringensis、またはBacillus anthracisを含む疑いのあるサンプル中のBacillus cereus、Bacillus thuringensis、またはBacillus anthracisの病原性株の存在を検出するためのアッセイ方法。
- 式(IV)によって表される5−ブロモ−4−クロロ−3−インドキシルコリンホスファート、または式(V)によって表される3−インドキシルコリンホスファート、ウシ血清アルブミン、ポリオキシエチレンソルビタンモノオレアート、及び少なくとも一つのZn2+イオンの供給源を含む基質による、Pseudomonas aeruginosaを含む疑いのあるサンプル中のPseudomonas aeruginosaの病原性株の存在を検出するためのアッセイ方法。
- 以下の工程:
(A)興味ある微生物を含む疑いのある試験サンプルを準備する工程;
(B)好ましくは富栄養ブロスステップに試験サンプルをかける工程;
(C)少なくとも前記試験サンプルの一部、または工程(B)で得られた産物を、微生物に曝した際に発色を生ずることが可能な少なくとも一つの式(I)の化合物を含む培地である、微生物の培養に適した培地に移す工程;
(D)前記発色を示す少なくとも一つのコロニーを形成するように、前記移された一部を含む培地を培養する工程;及び
(E)最終同定のために前記発色化コロニーの少なくとも一部を回収する工程;
を含む、ホスファチジルコリン特異的ホスホリパーゼC(PC−PLC)酵素を生産可能な興味ある細菌性微生物の同定方法。 - 式(I):
の発色性3−インドキシルコリンホスファート化合物の調製方法であって、
以下の反応:
によって、コリンの塩と、式(II)を有する対応するインドキシル−3−ジクロロホスファートを反応させて、中間体化合物(III)を得る工程;
及び任意に、式(III)の前記中間体からN保護基を除去する工程、及び/または式(III)の前記中間体に前記R基を導入する工程;
を含む方法。 - 請求項1から5のいずれか一項に記載の3−インドキシルコリンホスファート化合物を取り込ませることによって基質を生産する工程を含む、細菌性ホスファチジルコリン特異的ホスホリパーゼC酵素を検出可能な基質の調製方法。
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US7309580B2 (en) * | 2002-07-05 | 2007-12-18 | R&F Products, Inc. | Chromogenic plating medium for the rapid presumptive identification of Bacillus anthrasis, Bacillus cereus, and Bacillus thuringiensis |
US6872314B2 (en) * | 2003-08-29 | 2005-03-29 | Eastman Chemical Company | Dewatering process |
FR2862659B1 (fr) * | 2003-11-21 | 2006-02-10 | Pasteur Institut | Genome de legionella pneumophila souche paris- applications diagnostiques et epidemiologiques |
US7901932B2 (en) * | 2005-03-17 | 2011-03-08 | Phigenics, Llc | Methods and compositions for rapidly detecting and quantifying viable Legionella |
EP1869469B1 (en) * | 2005-03-17 | 2011-12-07 | Phigenics, LLC | Rapidly detecting and quantifying viable legionella |
FR2935002B1 (fr) * | 2008-08-13 | 2014-09-05 | Biomerieux Sa | Milieu de culture permettant de differencier staphylococcus aureus des staphylococcus a coagulase negative |
US20100221809A1 (en) * | 2008-12-23 | 2010-09-02 | The Regents Of The University Of California | Compositions and Methods for the Isolation of Biologically Active Proteins |
US9322048B2 (en) | 2009-09-18 | 2016-04-26 | Biomerieux, S.A. | Kit for identifying bacteria from the Bacillus cereus group |
FR2950363B1 (fr) * | 2009-09-18 | 2011-08-26 | Biomerieux Sa | Procede d'identification de bacteries du groupe bacillus cereus |
FR2952817A1 (fr) * | 2009-11-23 | 2011-05-27 | Oreal | Composition comprenant au moins un precurseur de coloration derive d'indole et au moins un compose organique liquide |
US9493733B2 (en) | 2010-01-18 | 2016-11-15 | Becton, Dickinson And Company | Container assembly |
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FR3015522B1 (fr) | 2013-12-24 | 2017-02-24 | Biomerieux Sa | Utilisation d'au moins un substrat de carboxylesterase et/ou de triacylglycerol-lipase pour la detection des bacteries du groupe bacillus cereus |
WO2018120093A1 (zh) | 2016-12-30 | 2018-07-05 | 泸州东方农化有限公司 | 一种制备氧二氮杂环化合物的工艺及其应用 |
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EP1219628A1 (en) | 2002-07-03 |
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