Patents by Inventor Janice S. Chen
Janice S. Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11970719Abstract: Provided are compositions and methods that include one or more of: (1) a Class 2 CRISPR/Cas effector protein, a nucleic acid encoding the effector protein, and/or a modified host cell comprising the effector protein (and/or a nucleic acid encoding the same); (2) a CRISPR/Cas guide RNA that binds to and provides sequence specificity to the Class 2 CRISPR/Cas effector protein, a nucleic acid encoding the CRISPR/Cas guide RNA, and/or a modified host cell comprising the CRISPR/Cas guide RNA (and/or a nucleic acid encoding the same); and (3) a CRISPR/Cas transactivating noncoding RNA (trancRNA), a nucleic acid encoding the CRISPR/Cas trancRNA, and/or a modified host cell comprising the CRISPR/Cas trancRNA (and/or a nucleic acid encoding the same).Type: GrantFiled: October 31, 2018Date of Patent: April 30, 2024Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20230323319Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: September 26, 2022Publication date: October 12, 2023Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Patent number: 11453866Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: GrantFiled: June 9, 2020Date of Patent: September 27, 2022Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Patent number: 11447824Abstract: Provided are compositions and methods for detecting a target DNA (double stranded or single stranded) in a sample. In some embodiments, a subject method includes: (a) contacting the sample with: (i) a type V CRISPR/Cas effector protein (e.g., a Cas12 protein such as Cas12a, Cas12b, Cas12c, Cas12d, Cas12e); (ii) a guide RNA (comprising a region that binds to the type V CRISPR/Cas effector protein, and a guide sequence that hybridizes with the target DNA); and (iii) a detector DNA that is single stranded (i.e., a “single stranded detector DNA”) and does not hybridize with the guide sequence of the guide RNA; and (b) measuring a detectable signal produced by cleavage (by the type V CRISPR/Cas effector protein) of the single stranded detector DNA. Also provided are compositions and methods for cleaving single stranded DNAs (e.g., non-target ssDNAs), e.g., inside of a cell.Type: GrantFiled: July 13, 2020Date of Patent: September 20, 2022Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, Janice S. Chen, Lucas Benjamin Harrington, Enbo Ma
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Patent number: 11441137Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: GrantFiled: May 27, 2020Date of Patent: September 13, 2022Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Patent number: 11371031Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: GrantFiled: September 25, 2020Date of Patent: June 28, 2022Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20210388437Abstract: Provided are compositions and methods for detecting a target DNA (double stranded or single stranded) in a sample. In some embodiments, a subject method includes: (a) contacting the sample with: (i) a type V CRISPR/Cas effector protein (e.g., a Cas12 protein such as Cas12a, Cas12b, Cas12c, Cas12d, Cas12e); (ii) a guide RNA (comprising a region that binds to the type V CRISPR/Cas effector protein, and a guide sequence that hybridizes with the target DNA); and (iii) a detector DNA that is single stranded (i.e., a “single stranded detector DNA”) and does not hybridize with the guide sequence of the guide RNA; and (b) measuring a detectable signal produced by cleavage (by the type V CRISPR/Cas effector protein) of the single stranded detector DNA. Also provided are compositions and methods for cleaving single stranded DNAs (e.g., non-target ssDNAs), e.g., inside of a cell.Type: ApplicationFiled: July 29, 2021Publication date: December 16, 2021Inventors: Jennifer A. Doudna, Janice S. Chen, Lucas Benjamin Harrington, Enbo Ma
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Patent number: 11180743Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: GrantFiled: February 12, 2020Date of Patent: November 23, 2021Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20210317527Abstract: The present disclosure provides labeled single stranded detector DNA molecules that provide a sensitive readout for detection of a target DNA. The present disclosure provides compositions, systems, and kits comprising a labeled single stranded detector DNA of the present disclosure. The present disclosure further provides methods of detecting a target DNA (double stranded or single stranded) in a sample.Type: ApplicationFiled: August 26, 2019Publication date: October 14, 2021Inventors: Jennifer A. Doudna, Janice S. Chen, Lucas Benjamin Harrington
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Patent number: 11118224Abstract: Provided are compositions and methods for detecting a target DNA (double stranded or single stranded) in a sample. In some embodiments, a subject method includes: (a) contacting the sample with: (i) a type V CRISPR/Cas effector protein (e.g., a Cas12 protein such as Cas12a, Cas12b, Cas12c, Cas12d, Cas12e); (ii) a guide RNA (comprising a region that binds to the type V CRISPR/Cas effector protein, and a guide sequence that hybridizes with the target DNA); and (iii) a detector DNA that is single stranded (i.e., a “single stranded detector DNA”) and does not hybridize with the guide sequence of the guide RNA; and (b) measuring a detectable signal produced by cleavage (by the type V CRISPR/Cas effector protein) of the single stranded detector DNA. Also provided are compositions and methods for cleaving single stranded DNAs (e.g., non-target ssDNAs), e.g., inside of a cell.Type: GrantFiled: June 9, 2020Date of Patent: September 14, 2021Assignee: The Regents of the University of CaliforniaInventors: Jennifer A. Doudna, Janice S. Chen, Lucas Benjamin Harrington, Enbo Ma
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Publication number: 20210269858Abstract: The present disclosure provides methods for characterizing a target DNA present in a sample. The methods involve contacting the sample with a type V CRISPR/Cas effector protein and one or more guide RNAs, where the contacting generates a cleavage product comprising a 5? overhang; and ligating a double-stranded nucleic acid adapter to the cleavage product, to generate a ligation product. The ligation product includes the target DNA, which can be sequenced. The sample can be subjected to one or more amplification steps prior to the contacting step, with primers that provide for amplification of nucleic acids of, e.g., specific pathogens, categories of pathogens, two or more different pathogens, or two or more different categories of pathogens.Type: ApplicationFiled: May 13, 2021Publication date: September 2, 2021Inventors: Charles Chiu, Andrea Granados, Jennifer A. Doudna, Lucas B. Harrington, Janice S. Chen, Xianding Deng
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Publication number: 20210214697Abstract: Provided are compositions and methods that include one or more of: (1) a Class 2 CRISPR/Cas effector protein, a nucleic acid encoding the effector protein, and/or a modified host cell comprising the effector protein (and/or a nucleic acid encoding the same); (2) a CRISPR/Cas guide RNA that binds to and provides sequence specificity to the Class 2 CRISPR/Cas effector protein, a nucleic acid encoding the CRISPR/Cas guide RNA, and/or a modified host cell comprising the CRISPR/Cas guide RNA (and/or a nucleic acid encoding the same); and (3) a CRISPR/Cas transactivating noncoding RNA (trancRNA), a nucleic acid encoding the CRISPR/Cas trancRNA, and/or a modified host cell comprising the CRISPR/Cas trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: October 31, 2018Publication date: July 15, 2021Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20210017508Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: September 25, 2020Publication date: January 21, 2021Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20200399697Abstract: Provided are compositions and methods for detecting a target DNA (double stranded or single stranded) in a sample. In some embodiments, a subject method includes: (a) contacting the sample with: (i) a type V CRISPR/Cas effector protein (e.g., a Cas12 protein such as Cas12a, Cas12b, Cas12c, Cas12d, Cas12e); (ii) a guide RNA (comprising a region that binds to the type V CRISPR/Cas effector protein, and a guide sequence that hybridizes with the target DNA); and (iii) a detector DNA that is single stranded (i.e., a “single stranded detector DNA”) and does not hybridize with the guide sequence of the guide RNA; and (b) measuring a detectable signal produced by cleavage (by the type V CRISPR/Cas effector protein) of the single stranded detector DNA. Also provided are compositions and methods for cleaving single stranded DNAs (e.g., non-target ssDNAs), e.g., inside of a cell.Type: ApplicationFiled: July 13, 2020Publication date: December 24, 2020Inventors: Jennifer A. Doudna, Janice S. Chen, Lucas Benjamin Harrington, Enbo Ma
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Publication number: 20200370028Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: May 27, 2020Publication date: November 26, 2020Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20200339967Abstract: Provided are compositions and methods that include one or more of: (1) a Cas12c protein (also referred to as a C2c3 protein), a nucleic acid encoding the Cas12c protein, and/or a modified host cell comprising the Cas12c protein (and/or a nucleic acid encoding the same); (2) a Cas12c guide RNA (also referred to herein as a C2c3 guide RNA) that binds to and provides sequence specificity to the Cas12c protein, a nucleic acid encoding the Cas12c guide RNA, and/or a modified host cell comprising the Cas12c guide RNA (and/or a nucleic acid encoding the same); and (3) a Cas12c transactivating noncoding RNA (trancRNA) (referred to herein as a Cas12c trancRNA or C2c3 trancRNA), a nucleic acid encoding the Cas12c trancRNA, and/or a modified host cell comprising the Cas12c trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: October 31, 2018Publication date: October 29, 2020Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20200299660Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20200299768Abstract: Provided are compositions and methods for detecting a target DNA (double stranded or single stranded) in a sample. In some embodiments, a subject method includes: (a) contacting the sample with: (i) a type V CRISPR/Cas effector protein (e.g., a Cas12 protein such as Cas12a, Cas12b, Cas12c, Cas12d, Cas12e); (ii) a guide RNA (comprising a region that binds to the type V CRISPR/Cas effector protein, and a guide sequence that hybridizes with the target DNA); and (iii) a detector DNA that is single stranded (i.e., a “single stranded detector DNA”) and does not hybridize with the guide sequence of the guide RNA; and (b) measuring a detectable signal produced by cleavage (by the type V CRISPR/Cas effector protein) of the single stranded detector DNA. Also provided are compositions and methods for cleaving single stranded DNAs (e.g., non-target ssDNAs), e.g., inside of a cell.Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Inventors: Jennifer A. Doudna, Janice S. Chen, Lucas Benjamin Harrington, Enbo Ma
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Publication number: 20200255858Abstract: Provided are compositions and methods that include a CasY transactivating noncoding RNA (trancRNA) (referred to herein as a “CasY trancRNA”), nucleic acids encoding the CasY trancRNA, and/or a modified host cell comprising the CasY trancRNA (and/or a nucleic acid encoding the same). Subject compositions and methods can also include one or more of: (a) a “CasY” protein (also referred to as a CasY polypeptide, a Cas12d protein, and a Cas12d polypeptide), a nucleic acid encoding the CasY protein, and/or a modified host cell comprising the CasY protein (and/or a nucleic acid encoding the same); and (b) a CasY guide RNA (also referred to herein as a “Cas12d guide RNA”) that binds to and provides sequence specificity to the CasY protein, a nucleic acid encoding the CasY guide RNA, and/or a modified host cell comprising the CasY guide RNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: October 31, 2018Publication date: August 13, 2020Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield
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Publication number: 20200172886Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).Type: ApplicationFiled: February 12, 2020Publication date: June 4, 2020Inventors: Jennifer A. Doudna, David Burstein, Janice S. Chen, Lucas B. Harrington, David Paez-Espino, Jillian F. Banfield