C12Q2521/119

Method for synthesizing selectively labeled RNA

The invention relates to a method for synthesizing a selectively labeled RNA, and an apparatus for performing the method. Specific segments or discrete residues within the RNA may be selectively labeled, and different segments may include different labels.

Method for synthesizing selectively labeled RNA

The invention relates to a method for synthesizing a selectively labeled RNA, and an apparatus for performing the method. Specific segments or discrete residues within the RNA may be selectively labeled, and different segments may include different labels.

MULTIPLE ANALYSIS METHOD FOR AMPLICON BY USING FLUORESCENCE-BASED MULTIPLE MELTING ANALYSIS
20210180115 · 2021-06-17 · ·

A method for multiplex analysis of amplification products using fluorescence-based multiple melting analysis is capable of analyzing multiple target nucleic acid sequences simultaneously in real time. A kit for performing the multiplex analysis contains target-specific primer/probe sets. The method and the kit allow a detection of multiple target nucleic acid sequences by a single polymerase chain reaction using a single fluorescence channel, thereby significantly reducing time and cost for multiplex nucleic acid detection. Therefore, the method and kit may be widely used in the companion diagnostic field in which multiple target nucleic acid genes need to be analyzed, the agricultural and livestock field in which multiple alleles need to be analyzed, and the clinical pathology field in which multiple infectious agents need to be analyzed simultaneously.

ULTRASENSITIVE AND MULTIPLEXED CELL-FREE BIOSENSORS USING CASCADED AMPLIFICATION AND POSITIVE FEEDBACK
20210163947 · 2021-06-03 ·

Disclosed are methods, devices, kits, components, and compositions for detecting a target molecule in a test sample using a cell-free protein synthesis (CFPS) reaction. The methods, devices, kits, components, and compositions may be utilized for detecting target molecules which may include small molecules and/or metabolites of small molecules. The methods, devices, kits, components, and compositions employ one or more transcription templates that encode and conditionally express one or more exogenous RNA polymerases in the presence of the target molecule. The expressed RNA polymerases in turn induce expression of one or more reporter molecules from transcription templates comprising promoters for the RNA polymerases, thereby amplifying an output signal that is generated in the presence of a detected target molecule.

ULTRASENSITIVE AND MULTIPLEXED CELL-FREE BIOSENSORS USING CASCADED AMPLIFICATION AND POSITIVE FEEDBACK
20210163947 · 2021-06-03 ·

Disclosed are methods, devices, kits, components, and compositions for detecting a target molecule in a test sample using a cell-free protein synthesis (CFPS) reaction. The methods, devices, kits, components, and compositions may be utilized for detecting target molecules which may include small molecules and/or metabolites of small molecules. The methods, devices, kits, components, and compositions employ one or more transcription templates that encode and conditionally express one or more exogenous RNA polymerases in the presence of the target molecule. The expressed RNA polymerases in turn induce expression of one or more reporter molecules from transcription templates comprising promoters for the RNA polymerases, thereby amplifying an output signal that is generated in the presence of a detected target molecule.

Transmission of data including conversion of ternary data to binary data

Binary data relating to a movable barrier operator is converted to ternary data. The ternary data is converted into corresponding binary information in a way not mirroring the first conversion method. In one approach, this second conversion converts each ternary trit into a corresponding binary pair. Initial binary bits correspond to, for example, fixed and/or non-fixed information.

Transmission of data including conversion of ternary data to binary data

Binary data relating to a movable barrier operator is converted to ternary data. The ternary data is converted into corresponding binary information in a way not mirroring the first conversion method. In one approach, this second conversion converts each ternary trit into a corresponding binary pair. Initial binary bits correspond to, for example, fixed and/or non-fixed information.

METHODS AND MEANS FOR ENHANCING RNA PRODUCTION

The present invention relates to a method for synthesizing an RNA molecule of a given sequence, comprising the step of determining the fraction (1) for each of the four nucleotides G, A, C and U in said RNA molecule, and the step of synthesizing said RNA molecule by in vitro transcription in a sequence-optimized reaction mix, wherein said sequence-optimized reaction mix comprises the four ribonucleoside triphosphates GTP, ATP, CTP and UTP, wherein the fraction (2) of each of the four ribonucleoside triphosphates in the sequence-optimized reaction mix corresponds to the fraction (1) of the respective nucleotide in said RNA molecule, a buffer, a DNA template, and an RNA polymerase.

Further, the present invention relates to a bioreactor (1) for synthesizing RNA molecules of a given sequence, the bioreactor (1) having a reaction module (2) for carrying out in vitro RNA transcription reactions in a sequence-optimized reaction mix, a capture module (3) for temporarily capturing the transcribed RNA molecules, and a control module (4) for controlling the infeed of components of the sequence-optimized reaction mix into the reaction module (2), wherein the reaction module (2) comprises a filtration membrane (21) for separating nucleotides from the reaction mix, and the control of the infeed of components of the sequence-optimized reaction mix by the control module (4) is based on a measured concentration of separated nucleotides.

METHODS AND MEANS FOR ENHANCING RNA PRODUCTION

The present invention relates to a method for synthesizing an RNA molecule of a given sequence, comprising the step of determining the fraction (1) for each of the four nucleotides G, A, C and U in said RNA molecule, and the step of synthesizing said RNA molecule by in vitro transcription in a sequence-optimized reaction mix, wherein said sequence-optimized reaction mix comprises the four ribonucleoside triphosphates GTP, ATP, CTP and UTP, wherein the fraction (2) of each of the four ribonucleoside triphosphates in the sequence-optimized reaction mix corresponds to the fraction (1) of the respective nucleotide in said RNA molecule, a buffer, a DNA template, and an RNA polymerase.

Further, the present invention relates to a bioreactor (1) for synthesizing RNA molecules of a given sequence, the bioreactor (1) having a reaction module (2) for carrying out in vitro RNA transcription reactions in a sequence-optimized reaction mix, a capture module (3) for temporarily capturing the transcribed RNA molecules, and a control module (4) for controlling the infeed of components of the sequence-optimized reaction mix into the reaction module (2), wherein the reaction module (2) comprises a filtration membrane (21) for separating nucleotides from the reaction mix, and the control of the infeed of components of the sequence-optimized reaction mix by the control module (4) is based on a measured concentration of separated nucleotides.

Methods of amplifying nucleic acid sequences mediated by transposase/transposon DNA complexes

Methods are provided for nucleic acid amplification including contacting a double stranded nucleic acid with transposases bound to transposon DNA, wherein the transposon DNA includes a transposase binding site and an RNA polymerase promoter sequence, wherein the transposases/transposon DNA complex bind to target locations along the double stranded nucleic acid and cleave the double stranded nucleic acid into a plurality of double stranded fragments, with each double stranded fragment having the transposon DNA bound to each 5 end of the double stranded fragment, extending the double stranded fragments along the transposon DNA to make double stranded extension products having double stranded RNA polymerase promoter sequences at each end, contacting the double stranded extension products with an RNA polymerase to make a plurality of RNA transcripts of each double stranded extension product, reverse transcribing the RNA transcripts into single stranded copy DNA, forming complementary strands to the single stranded copy DNA to form a plurality of double stranded DNA amplicons corresponding to each double stranded fragment.