JP2020510406A5 - - Google Patents
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- JP2020510406A5 JP2020510406A5 JP2019524990A JP2019524990A JP2020510406A5 JP 2020510406 A5 JP2020510406 A5 JP 2020510406A5 JP 2019524990 A JP2019524990 A JP 2019524990A JP 2019524990 A JP2019524990 A JP 2019524990A JP 2020510406 A5 JP2020510406 A5 JP 2020510406A5
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- JP
- Japan
- Prior art keywords
- seq
- sensor
- pseudomonas spp
- target sequence
- sensor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 108091005771 Peptidases Proteins 0.000 claims 11
- 239000004365 Protease Substances 0.000 claims 11
- 241000589516 Pseudomonas Species 0.000 claims 11
- 102000033147 ERVK-25 Human genes 0.000 claims 7
- 230000001809 detectable Effects 0.000 claims 5
- 102000035443 Peptidases Human genes 0.000 claims 4
- 238000003776 cleavage reaction Methods 0.000 claims 3
- 235000013365 dairy product Nutrition 0.000 claims 3
- 102000004144 Green Fluorescent Proteins Human genes 0.000 claims 2
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims 2
- 150000001413 amino acids Chemical class 0.000 claims 2
- 239000005090 green fluorescent protein Substances 0.000 claims 2
- 108020004707 nucleic acids Proteins 0.000 claims 2
- 150000007523 nucleic acids Chemical class 0.000 claims 2
- 239000005089 Luciferase Substances 0.000 claims 1
- 108060001084 Luciferase family Proteins 0.000 claims 1
- 241000545067 Venus Species 0.000 claims 1
- 238000002835 absorbance Methods 0.000 claims 1
- 125000003275 alpha amino acid group Chemical group 0.000 claims 1
- 102000004965 antibodies Human genes 0.000 claims 1
- 108090001123 antibodies Proteins 0.000 claims 1
- 201000009910 diseases by infectious agent Diseases 0.000 claims 1
- 238000002866 fluorescence resonance energy transfer Methods 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 239000002096 quantum dot Substances 0.000 claims 1
- 238000002165 resonance energy transfer Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- -1 viologens Substances 0.000 claims 1
Claims (13)
- Pseudomonas spp.プロテアーゼセンサー分子であって、KQ、SF、FM、KK、KN、NQ、NT、EI、QQ、及びそれらの組み合わせからなる群より選択される少なくとも1つのPseudomonas spp.プロテアーゼ切断部位、ならびに以下の特徴:
(i)前記標的配列の長さが、約50アミノ酸未満である、
(ii)検出可能な標識、及び/または
(iii)前記プロテアーゼ切断部位のうちの2つ以上、
のうちの1つ以上を有する標的配列を含み、
前記Pseudomonas spp.プロテアーゼによる標的配列の切断が、検出可能な変化を生じる、前記Pseudomonas spp.プロテアーゼセンサー分子。 - 前記標的配列が、SFM(配列番号37)、SKMXXPP(式中、Xは、任意のアミノ酸(配列番号40)である)、及び/またはKKNQ(配列番号24)を少なくとも含む、請求項1に記載のセンサー。
- 前記標的配列が、
SFMKKNQNTEI(配列番号45)、
SFMNQNTEI(配列番号57)、
LSFMAIP(配列番号70)、
LQGSFMKKNQNTEIGSFE(配列番号72)、
LQGSFMNQNTEIGSFE(配列番号73)、
LQGSLSFMAIPGSFE(配列番号74)、及び
LQGSKQKQKQKQGSFE(配列番号112)、
から選択されるアミノ酸配列を含む、請求項1に記載のセンサー。 - 前記検出可能な変化が、共鳴エネルギー移動、音響、電気化学ポテンシャル、蛍光、化学発光、燐光、吸光度、抗体結合、BRET比、FRET効率、または質量の変化である、請求項1〜3のいずれか1項に記載のセンサー。
- 前記検出可能な標識が、発色団、ナノ粒子、量子ドット、ビオロゲン、及びそれらの組み合わせからなる群より選択される、請求項1〜4のいずれか1項に記載のセンサー。
- 前記検出可能な標識が、
i)前記標的配列に共有結合されている化学発光ドナードメイン及びアクセプタードメイン、または
ii)蛍光団ドメイン及びアクセプタードメイン、
含む、請求項1〜5のいずれか1項に記載のセンサー。 - 前記アクセプタードメインが、緑色蛍光タンパク質(GFP)、Venus、mOrange、またはそれらのうちのいずれか1つの生物学的に活性な多様体もしくはフラグメントであり、
前記化学発光ドナードメインが、ルシフェラーゼまたは生物学的に活性な多様体もしくはフラグメントであり、
前記標的配列が、SFMKKNQNTEI(配列番号45)、SFMNQNTEI(配列番号57)、またはLSFMAIP(配列番号70)を含む、請求項6に記載のセンサー。 - i)Pseudomonas spp.プロテアーゼの場合、0.1〜10nM、もしくは0.1〜100nMのEC50を有し、及び/または
ii)ウシプラスミンと比較して、Pseudomonas spp.プロテアーゼへの感度が、少なくとも20倍、または少なくとも100倍高い、
請求項1〜7のいずれか1項に記載のセンサー。 - 請求項1〜8のいずれか1項に記載のセンサーもしくはその標的配列をコードする単離核酸、または請求項1〜8のいずれか1項に記載のセンサーもしくはその標的配列をコードする核酸を含むベクター。
- i)試料中のPseudomonas spp.プロテアーゼを検出するための、
ii)乳製品の腐敗を検出するための、または
iii)Pseudomonas spp.感染を検出するための、
請求項1〜8のいずれか1項に記載のセンサーの使用。 - 試料中のPseudomonas spp.プロテアーゼを検出する方法であって、前記方法が、
i)請求項1〜8のいずれか1項に記載のセンサーと、試料を接触させること、及び
ii)前記センサーの変化を検出すること、
を含み、前記変化が、前記試料中のPseudomonas spp.プロテアーゼの存在に対応する、前記方法。 - 乳製品の腐敗を検出する方法であって、前記方法が、
i)請求項1〜8のいずれか1項に記載のセンサーと、試料を接触させること、及び
ii)前記センサーの変化を検出すること、
を含み、前記変化が、前記乳製品が腐敗しているか、腐敗し始めているか、または腐敗する可能性があることを示す、前記方法。 - i)少なくとも1pM、もしくは少なくとも10pM、もしくは少なくとも100pmのPseudomonas spp.プロテアーゼを検出し、及び/または
ii)1時間未満、30分未満、または15分未満で実施される、
請求項11または請求項12に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2016904639A AU2016904639A0 (en) | 2016-11-14 | Protease sensor molecules | |
AU2016904639 | 2016-11-14 | ||
AU2017900161 | 2017-01-19 | ||
AU2017900161A AU2017900161A0 (en) | 2017-01-19 | Protease sensor molecules | |
PCT/AU2017/051237 WO2018085895A1 (en) | 2016-11-14 | 2017-11-13 | Protease sensor molecules |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020510406A JP2020510406A (ja) | 2020-04-09 |
JP2020510406A5 true JP2020510406A5 (ja) | 2020-12-24 |
Family
ID=62108989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019524990A Pending JP2020510406A (ja) | 2016-11-14 | 2017-11-13 | プロテアーゼセンサー分子 |
Country Status (8)
Country | Link |
---|---|
US (1) | US11952612B2 (ja) |
EP (1) | EP3538665B1 (ja) |
JP (1) | JP2020510406A (ja) |
CN (1) | CN110494569A (ja) |
AU (1) | AU2017358067B2 (ja) |
IL (1) | IL266577A (ja) |
PL (1) | PL3538665T3 (ja) |
WO (1) | WO2018085895A1 (ja) |
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CN113049555B (zh) * | 2021-03-12 | 2022-09-30 | 师大瑞利光电科技(清远)有限公司 | 基于同一体系细胞样本测量激发发射光谱线性分离定量fret系统校正因子的方法及应用 |
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CN113444822A (zh) * | 2021-07-09 | 2021-09-28 | 石家庄君乐宝乳业有限公司 | 检测乳制品中荧光假单胞菌和碱性蛋白酶的引物及相应的检测方法 |
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- 2017-11-13 EP EP17869718.1A patent/EP3538665B1/en active Active
- 2017-11-13 PL PL17869718.1T patent/PL3538665T3/pl unknown
- 2017-11-13 JP JP2019524990A patent/JP2020510406A/ja active Pending
- 2017-11-13 US US16/349,237 patent/US11952612B2/en active Active
- 2017-11-13 CN CN201780082959.6A patent/CN110494569A/zh active Pending
-
2019
- 2019-05-12 IL IL266577A patent/IL266577A/en unknown
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