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tag single nucleotide polymorphism microbiology

Single Nucleotide Polymorphisms: Big Pharma Hedges its Bets
Eugene Russo | Jul 18, 1999 | 7 min read
SNP CENTRAL: A genetics researcher takes to the bench at the Wellcome Trust's Sanger Centre in Cambridge, England. The sequencing center and its London sponsor provided key leadership in the SNP Consortium, a public-private venture to find and map 300,000 single nucleotide polymorphisms. The Wellcome Trust helped entice 10 pharmaceutical firms to join the consortium by putting up $14 million of the project's estimated $45 million price tag. The Sanger Centre will provide much of the radiation h
Epithelial cells and fungal spores are marked with fluorescent dyes. Cells have an irregular shape and are shown in green and blue colors. Spores are spherical in shape and are labeled green if they are surrounded by p11 protein. A protein in mature phagosomes is labeled violet.
Fungal Spores Hijack a Host Protein to Escape Death
Mariella Bodemeier Loayza Careaga, PhD | Jun 20, 2023 | 3 min read
Uncovering the components used by Aspergillus fumigatus to avoid intracellular destruction broadens our understanding of the mold’s pathogenesis. 
Henry Erlich 
A Not-So-Simple Idea
Niki Spahich, PhD | Jun 1, 2023 | 5 min read
A moonlit drive inspired the theory behind PCR. What did it take to make that wild idea reality?
Universal Array Makes Genotyping a SNaP
Marilee Ogren | Jul 21, 2002 | 2 min read
Rapidly evolving genomic technologies have spawned the Tm/Luminex Universal Array Platform, capable of reading 10,000 single nucleotide polymorphisms (SNPs) per hour. Distributed by Luminex of Austin, Texas, the system is the product of a partnership between Luminex and Tm Bioscience of Toronto. Luminex pioneered multiplexed, bead-based genotyping with LabMAP™ (now called xMAP™).1 Tm Biosciences recently developed the Universal Array, an arbitrary set of nucleotide sequences for an
Salmonella living within macrophages can survive antibiotic treatment and potentially give rise to resistance by two different mechanisms that slow or arrest their growth.
Bacteria Go Dormant to Survive Antibiotics and Restart Infections
Niki Spahich, PhD | Mar 7, 2022 | 3 min read
In Salmonella, two seemingly similar antibiotic survival strategies result from very different molecular mechanisms.
Researchers in George Church&rsquo;s lab modified wild type ADK proteins (left) in <em >E.coli</em>, furnishing them with an nonstandard amino acid (nsAA) meant to biocontain the resulting bacterial strain.
A Pioneer of The Multiplex Frontier
Rashmi Shivni, Drug Discovery News | May 20, 2023 | 10 min read
George Church is at it again, this time using multiplex gene editing to create virus-proof cells, improve organ transplant success, and protect elephants.
Whole-Genome SNP Genotyping
Marilee Ogren | Jun 1, 2003 | 8 min read
Clockwise from top left: images courtesy of Affymetrix, Illumina, Sequenom and Illumina Take any two individuals, sequence and compare their genomic DNA, and you'll find that the vast majority (about 99.9%) of the sequences are identical. In the remaining 0.1% lie differences in disease susceptibility, environmental response, and drug metabolism. Researchers are understandably keen to dissect these variations, most of which take the form of single-nucleotide polymorphisms (SNPs). A SNP (pron
The Promise that Haplotypes Hold
Leslie Pray | Nov 25, 2001 | 6 min read
Sifting through the 3 billion letters of DNA that comprise the human genome to find disease-associated sequences is at best a daunting task. But recent evidence suggests that this genome is organized into highly structured blocks called haplotypes, highly conserved packages that contain SNPs (single nucleotide polymorphisms) and exhibit very little genotypic variation. Enlisting these haplotypes in the search may make this undertaking easier than previously thought. Evidence of such organizati
SNP genotyping with arrays
William Wells(wells@biotext.com) | Oct 18, 2000 | 1 min read
Single nucleotide polymorphisms (SNPs) are sequence variants in which two alternate bases occur at one position. The SNP Consortium is developing a dense map of SNPs in the hope that certain variants can be associated with disease states. With hundreds of thousands of SNPs identified, the scoring of these SNPs in patient populations has become the limiting factor. Hirschhorn et al. provide a possible solution in the October 24 Proceedings of the National Academy of Sciences by making the existin
The Pangenome: Are Single Reference Genomes Dead?
Catherine Offord | Dec 1, 2016 | 10+ min read
Researchers are abandoning the concept of a list of genes sequenced from a single individual, instead aiming for a way to describe all the genetic variation within a species.

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