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Ipswich, MA, United States

New England Biolabs produces and supplies recombinant and native enzyme reagents for the life science research. NEB also provides free access to research tools such as REBASE, InBASE, and Polbase. Wikipedia.


Patent
New England Biolabs | Date: 2015-12-17

Compositions and methods are provided for enzymes with altered properties that involve a systematic approach to mutagenesis and a screening assay that permits selection of the desired proteins. Embodiments of the method are particularly suited for modifying specific properties of restriction endonucleases such as star activity. The compositions includes restriction endonucleases with reduced star activity as defined by an overall fidelity index improvement factor.


Patent
New England Biolabs | Date: 2015-04-07

Methods are provided for a rapid, low cost approach to monitoring an amplification reaction. This includes monitoring the progress of isothermal or PCR amplification reactions to completion using pH-sensitive dyes that are either colored or fluorescent. Compositions are described that include a mixture of a DNA polymerase, deoxyribonucleotide triphosphate and a weak buffer of less than 1 mM Tris or equivalent or no buffer.


Methods and compositions are described for detecting hydroxymethylated nucleotides (hmNs) in a polynucleotide preparation with a view to mapping the location of hmNs in a genome, quantifying the occurrence of hmNs at selected loci and correlating the occurrence of hmNs with gene expression and phenotypic traits. Embodiments describe the use of modifying enzymes together with site-specific endonucleases to detect the hmNs.


Patent
New England Biolabs | Date: 2015-02-11

Novel proteins having DNA polymerase are described which have utility in amplification reactions and have improved properties over Bst polymerase such as for example enhanced reverse transcriptase activity.


Compositions and methods are provided for loop mediated isothermal amplification in which single stranded binding proteins are shown to protect primers from non-specific extension and to stimulate the rate of threshold amplification.

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