Detection of bordetella
First Claim
Patent Images
1. A method for detecting the presence or absence of Bordetella pertussis in a biological sample from an individual, said method comprising:
- performing at least one cycling step, wherein a cycling step comprises an amplifying step and a hybridizing step, wherein said amplifying step comprises contacting said sample with a pair of IS481 primers to produce an IS481 amplification product if a B. pertussis IS481 nucleic acid molecule is present in said sample, wherein said pair of IS481 primers comprises a first IS481 primer and a second IS481 primer, wherein said first IS481 primer consists of the sequence 5′
-CCA GTT CCT CAA GGA CGC-3′
(SEQ ID NO;
1) and said second IS481 primer consists of the sequence 5′
-GAG TTC TGG TAG GTG TGA GCG TA-3′
(SEQ ID NO;
2), wherein said hybridizing step comprises contacting said sample with a pair of IS481 probes, wherein said pair of IS481 probes comprises a first IS481 probe and a second IS481 probe, wherein said first IS481 probe consists of the sequence 5′
-CAC CGC TTT ACC CGA CCT TAC CGC CCA C-3′
(SEQ ID NO;
3) and said second IS481 probe consists of the sequence 5′
-GAC CAA TGG CAA GGC TCG AAC GCT TCA TC-3′
(SEQ ID NO;
11), wherein the members of said pair of IS481 probes hybridize within no more than five nucleotides of each other, wherein a first IS481 probe of said pair of IS481 probes is labeled with a donor fluorescent moiety and a second IS481 probe of said pair of IS481 probes is labeled with a corresponding acceptor fluorescent moiety; and
detecting the presence or absence of fluorescence resonance energy transfer (FRET) between said donor fluorescent moiety of said first IS481 probe and said corresponding acceptor fluorescent moiety of said second IS481 probe,wherein the presence of FRET is indicative of the presence of B. pertussis in said biological sample, and wherein the absence of FRET is indicative of the absence of B. pertussis in said biological sample.
2 Assignments
0 Petitions
Accused Products
Abstract
The invention provides methods to detect Bordetella pertussis and/or Bordetella parapertussis in a biological sample. Primers and probes for the differential detection of B. pertussis and B. parapertussis are provided by the invention. Articles of manufacture containing such primers and probes for detecting B. pertussis and/or B. parapertussis are further provided by the invention.
7 Citations
29 Claims
-
1. A method for detecting the presence or absence of Bordetella pertussis in a biological sample from an individual, said method comprising:
-
performing at least one cycling step, wherein a cycling step comprises an amplifying step and a hybridizing step, wherein said amplifying step comprises contacting said sample with a pair of IS481 primers to produce an IS481 amplification product if a B. pertussis IS481 nucleic acid molecule is present in said sample, wherein said pair of IS481 primers comprises a first IS481 primer and a second IS481 primer, wherein said first IS481 primer consists of the sequence 5′
-CCA GTT CCT CAA GGA CGC-3′
(SEQ ID NO;
1) and said second IS481 primer consists of the sequence 5′
-GAG TTC TGG TAG GTG TGA GCG TA-3′
(SEQ ID NO;
2), wherein said hybridizing step comprises contacting said sample with a pair of IS481 probes, wherein said pair of IS481 probes comprises a first IS481 probe and a second IS481 probe, wherein said first IS481 probe consists of the sequence 5′
-CAC CGC TTT ACC CGA CCT TAC CGC CCA C-3′
(SEQ ID NO;
3) and said second IS481 probe consists of the sequence 5′
-GAC CAA TGG CAA GGC TCG AAC GCT TCA TC-3′
(SEQ ID NO;
11), wherein the members of said pair of IS481 probes hybridize within no more than five nucleotides of each other, wherein a first IS481 probe of said pair of IS481 probes is labeled with a donor fluorescent moiety and a second IS481 probe of said pair of IS481 probes is labeled with a corresponding acceptor fluorescent moiety; anddetecting the presence or absence of fluorescence resonance energy transfer (FRET) between said donor fluorescent moiety of said first IS481 probe and said corresponding acceptor fluorescent moiety of said second IS481 probe, wherein the presence of FRET is indicative of the presence of B. pertussis in said biological sample, and wherein the absence of FRET is indicative of the absence of B. pertussis in said biological sample. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A method for detecting the presence or absence of Bordetella pertussis and/or B. parapertussis in a biological sample from an individual, said method comprising:
-
performing at least one cycling step, wherein a cycling step comprises an amplifying step and a hybridizing step, wherein said amplifying step comprises contacting said sample with a pair of IS481 primers and a pair of IS1001 primers to produce an IS481 amplification product if a B. pertussis IS481 nucleic acid molecule is present in said sample and an IS1001 amplification product if a B. parapertussis IS1001 nucleic acid molecule is present in said sample, wherein said pair of IS481 primers comprises a first IS481 primer and a second IS481 primer, wherein said first IS481 primer consists of the sequence 5′
-CCA GTT CCT CAA GGA CGC-3′
(SEQ ID NO;
1) and said second IS481 primer consists of the sequence 5′
-GAG TTC TGG TAG GTG TGA GCG TA-3′
(SEQ ID NO;
2), wherein said pair of IS1001 primers comprises a first IS1001 primer and a second IS1001 primer, wherein said first IS1001 primer consists of the sequence 5′
-GGC GAT ATC AAC GGG TGA-3′
(SEQ ID NO;
5) and said second IS1001 primer consists of the sequence 5′
-CAG GGC AAA CTC GTC CAT C-3′
(SEQ ID NO;
6), wherein said hybridizing step comprises contacting said sample with a pair of IS481 probes and a pair of IS1001 probes, wherein said pair of IS481 probes comprises a first IS481 probe and a second IS481 probe, wherein said first IS481 probe consists of the sequence 5′
-CAC CGC TTT ACC CGA CCT TAC CGC CCA C-3′
(SEQ ID NO;
3) and said second IS481 probe consists of the sequence 5′
-GAC CAA TGG CAA GGC TCG AAC GCT TCA TC-3′
(SEQ ID NO;
11), wherein said pair of IS1001 probes comprises a first IS1001 probe and a second IS1001 probe, wherein said first IS1001 probe consists of the sequence 5′
-GCT TGG CAT ACC GTC AAG A-3′
(SEQ ID NO;
12) and said second IS1001 probe consists of the sequence 5′
-GCT GGA CAA GGC TCG-3′
(SEQ ID NO;
13), wherein the members of said pair of IS481 probes hybridize within no more than five nucleotides of each other and wherein the members of said pair of IS1001 probes hybridize within no more than five nucleotides of each other, wherein a first IS481 probe of said pair of IS481 probes is labeled with a donor fluorescent moiety and wherein a second IS481 probe of said pair of IS481 probes is labeled with a corresponding acceptor fluorescent moiety, wherein a first IS1001 probe of said pair of IS1001 probes is labeled with a donor fluorescent moiety and wherein a second IS1001 probe of said pair of IS1001 probes is labeled with a corresponding acceptor fluorescent moiety; anddetecting the presence or absence of FRET between said donor fluorescent moiety of said first IS481 probe and said corresponding acceptor fluorescent moiety of said second IS481 probe and/or between donor fluorescent moiety of said first IS1001 probe and said corresponding acceptor fluorescent moiety of said second IS1001 probe, wherein the presence of FRET is indicative of the presence of B. pertussis and/or B. parapertussis in said biological sample, and wherein the absence of FRET is indicative of the absence of B. pertussis or B. parapertussis in said biological sample. - View Dependent Claims (21, 22, 23)
-
-
24. A method for detecting the presence or absence of B. pertussis in a biological sample from an individual, said method comprising:
-
performing at least one cycling step, wherein a cycling step comprises an amplifying step and a hybridizing step, wherein said amplifying step comprises contacting said sample with a pair of IS481 primers to produce an IS481 amplification product if a B. pertussis IS481 nucleic acid molecule is present in said sample, wherein said pair of IS481 primers comprises a first IS481 primer and a second IS481 primer, wherein said first IS481 primer consists of the sequence 5′
-CCA GTT CCT CAA GGA CGC-3′
(SEQ ID NO;
1) and said second IS481 primer consists of the sequence 5′
-GAG TTC TGG TAG GTG TGA GCG TA-3′
(SEQ ID NO;
2), wherein said hybridizing step comprises contacting said sample with an IS481 probe, wherein the IS481 probe is labeled with a donor fluorescent moiety and a corresponding acceptor fluorescent moiety, wherein said IS481 probe is selected from the group consisting of a first IS481 probe consisting of the sequence 5′
-CAC CGC TTT ACC CGA CCT TAC CGC CCA C-3′
(SEQ ID NO;
3) and a second IS481 probe consisting of the sequence 5′
-GAC CAA TGG CAA GGC TCG AAC GCT TCA TC-3′
(SEQ ID NO;
11); anddetecting the presence or absence of fluorescence resonance energy transfer (FRET) between said donor fluorescent moiety and said acceptor fluorescent moiety of said IS481 probe, wherein the presence or absence of FRET is indicative of the presence or absence of B. pertussis in said sample. - View Dependent Claims (25, 26, 27, 28, 29)
-
Specification