Smart-Seq Aims to Improve on Methods for Single-Cell Transcriptomics

September 2012

By Ciara Curtin

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Ciara Curtin is GenomeWeb's science features editor as well as the editor of the Daily Scan and Careers blogs. E-mail Ciara Curtin and follow @DailyScan, and @CareersGW on Twitter.

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Andrew Johnson

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There can be a bit of a chasm between dry lab work and wet lab work. But NHLBI's Andrew Johnson aims to close that gap. "A lot of things that I attempt in terms of projects try to bridge those barriers between the dry lab, computational side of things and wet lab experiments that are two different worlds," he says.

Currently, Johnson's work focuses on developing tools. During the early days of genome-wide association studies, he noticed that it was difficult for researchers to compare results generated across various array platforms. In conjunction with scientists at the Broad Institute, he developed a tool called SNAP to do just that. "[It] was pretty successful in terms of allowing people to rapidly query for proxy markers, but also just to do basic annotation of SNPs, like chromosome position, gene, and also to do plotting for regional genetic association plots," he says.
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The University of Würzburg's Cynthia Sharma and colleagues undertook a transcriptomics-based analysis of the gastroenteritis-causing bacterial species Campylobacter jejuni. The team used its so-called differential RNA sequencing strategy to sequence and compare the transcriptomes of four C. jejuni isolates (three from humans and one from a chicken), applying a new method to automatically annotate transcription start sites in each. "Overall," they write, "our study provides new insights into strain-specific transcriptome organization and [small RNAs], and reveals genes that could modulate phenotypic variation among strains despite high conservation at the DNA level."

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An international team has sequenced the genome of the carnivorous bladderwort plant, Utricularia gibba. Their findings suggest that the carnivorous plant has ditched virtually all its non-coding DNA, retaining a set of sequences that's almost exclusively genic. "What that says is that you can have a perfectly good multicellular plant with lots of different cells, organs, tissue types and flowers, and you can do it without the ['junk' DNA]," said co-corresponding author Victor Albert.
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Agilent Technologies announced a restructuring program expected to reduce its headcount by about 450 employees and save the company $50 million annually in operating expenses. CEO Bill Sullivan said that the focus of the restructuring will be on Agilent's Electronic Measurement Group and that the company will explore opportunities "to streamline our organization around the world." The firm also announced that its Q2 revenues were flat year over year.
Funding
The US Department of Energy's Joint Genome Institute has funded six new initiatives to develop technologies that will help JGI and its users conduct their research efforts into microbiology, metagenomics, and plant genomics. The projects will be supported under the Emerging Technologies Opportunity Program with a total of around $3.5 million over the next two years. Among the researchers receiving funding are Stephen Quake and Jay Shendure.
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GenomeWebinar: Advances in Single-Cell Genomics: Live Cell RNA and Circulating miRNA Detection

Sponsor: EMD Millipore

GenomeWeb and EMD Millipore invite you to view an archived webinar discussing new approaches to detect RNA at the single-cell level as well as new probes for the direct quantification of circulating miRNAs. In this free online seminar, recorded April 25, 2013, our expert panel shares protocols for improved RNA and miRNA detection.

On-demand recording available here.

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