摘要:
The invention relates to a method for detecting a double-stranded region in a nucleic acid by (1) providing two separate, adjacent pools of a medium and a interface between the two pools, the interface having a channel so dimensioned as to allow sequential monomer-by-monomer passage of a single-stranded nucleic acid, but not of a double-stranded nucleic acid, from one pool to the other pool; (2) placing a nucleic acid polymer in one of the two pools; and (3) taking measurements as each of the nucleotide monomers of the single-stranded nucleic acid polymer passes through the channel so as to differentiate between nucleotide monomers that are hybridized to another nucleotide monomer before entering the channel and nucleotide monomers that are not hybridized to another nucleotide monomer before entering the channel.
摘要:
The invention provides methods and compositions for inhibiting proliferation of a modified host cell outside of a designated process condition. Compositions and methods for providing a host cell having reduced viability when exposed to natural conditions external to a controlled environment are disclosed.
摘要:
The invention relates to a method for detecting a double-stranded region in a nucleic acid by (1) providing two separate, adjacent pools of a medium and a interface between the two pools, the interface having a channel so dimensioned as to allow sequential monomer-by-monomer passage of a single-stranded nucleic acid, but not of a double-stranded nucleic acid, from one pool to the other pool; (2) placing a nucleic acid polymer in one of the two pools; and (3) taking measurements as each of the nucleotide monomers of the single-stranded nucleic acid polymer passes through the channel so as to differentiate between nucleotide monomers that are hybridized to another nucleotide monomer before entering the channel and nucleotide monomers that are not hybridized to another nucleotide monomer before entering the channel.
摘要:
A method is disclosed for characterizing a linear polymer molecule by measuring physical changes across an interface between two pools of media as the linear polymer traverses the interface and monomers of the polymer interact with the interface, where the physical changes are suitable to identify characteristics of the polymer.
摘要:
The invention generally relates to methods for maintaining the integrity and identification of a nucleic acid template in a multiplex sequencing reaction. In certain embodiments, methods of the invention involve obtaining a template nucleic acid, incorporating a pair of sequence identifiers into the template, and sequencing the template.
摘要:
The present invention provides Modular Molecular Clasps and methods of using these Modular Molecular Clasps in a wide range of applications in the health care industry, e.g., in therapy, in clinical diagnostics, in in vivo imaging or in drug discovery. The Modular Molecular Clasps of the present invention also have industrial and environmental applications, e.g., in environmental diagnostics, industrial diagnostics, food safety, toxicology, catalysis of reactions or high-throughput screening; as well as applications in the agricultural industry and in basic research. Methods of designing the Modular Molecular Clasps, as well as arrays and biosensors comprising these Modular Molecular Clasps are also provided.
摘要:
The present invention relates to methods, cells and compositions for performing in vivo recombination without the need for clonal selection. These methods, cells and compositions are useful for the automation of recombination. The present invention provides methods for performing sequential steps in genome engineering, as well as for achieving parallel and multiplex genome engineering.
摘要:
Compositions and methods for controlling and tracking items are provided. More particularly, labeling compositions useful as a coding system to deter diversion of items of medication or other valued items are provided, wherein the labeling compositions comprise at least 25 unique identifiers, wherein the at least 25 unique identifiers are selected from a set of at least 50 unique identifiers. Also provided are methods for using such compositions to provide trackability throughout a chain of custody.
摘要:
Disclosed are methods of assembling nucleic acid constructs from component parts in a manner that is not dependent on the sequence of the component parts. The methods may be used to assemble large nucleic acid constructs from multiple component parts in one or more reactions. The methods may also be used to assemble two or more nucleic acid constructs in the same reaction mixture. In exemplary embodiments, the methods involve formation of a Holliday junction or bridge structure using a junction oligonucleotide.
摘要:
This invention pertains to compositions, methods, cells and organisms useful for selectively localizing polypeptides to the proteasome for degradation. Therapeutic methods and pharmaceutical compositions for treating disorders associated with the expression and/or activity of a polypeptide by targeting these polypeptides for degradation, as well as methods for targeting therapeutic polypeptides for degradation and/or activating therapeutic polypeptides by degradation are provided. The invention provides methods for identifying compounds that mediate proteasome localization and/or polypeptide degradation. The invention also provides research tools for the study of protein function.