Drawing on the Young

BGI is divided into a number of parts, and all of them are powered by young researchers and staff, Bioentrepreneur's Trade Secrets blog writes. BGI, it says, has more than 4,000 employees spread across its different parts, including BGI Research, BGI Tech, BGI Healthcare, and BGI Agriculture as well as spinoff companies and a college.

Wang Jun, the executive director of BGI, tells Trade Secrets that the average age of a scientist there is 23 and the average age across the company is 26, as it plucks people straight out of college. "There is no existing talent; they all have to be trained," Wang says. "And the best way to train them is to recruit them from the top universities and to throw them into real projects. The ones who have more experience, you need more creative thinking from them, instead of just training them what to do."

This, the blog adds, mirrors the strategy that some dot-com companies took, saying that "in a competitive and fast-paced field like genomics, having the best — and most energetic — talent on your team is the best strategy to keep hitting winners."

This Week in PLOS

A University of California, San Francisco-led team interrogated SNPs in 17 candidate genes as part of its search for genetic and other factors contributing to lymphedema risk in women treated for breast cancer. As they report in PLOS One, the researchers unearthed lymphedema-associated variants in four lymphatic and/or blood vessel formation-related genes after testing more than 150 breast cancer patients with lymphedema and 387 breast cancer patients without the lymphatic blockage condition. Along with the apparent risk variants, the team notes that women with more lymph nodes removed during treatment appeared to be at higher-than-usual lymphedema risk. So, too, were those who were heavier and/or had later stage breast cancers.

In PLOS Genetics, researchers from Ireland, the UK, Canada, and France describe findings from a genome sequencing-based analysis of Salmonella enterica. By sequencing 73 isolates of a S. enterica serovar called Agona — collected during five foodborne infection outbreaks, from individuals or animals with sporadic infections, or from environmental sources — the team delved into details of past outbreaks and tallied up genetic diversity in the gastroenteritis-causing bug. For instance, their results suggest the outbreaks considered in the current study involved genetically different versions of S. enterica. Even so, outbreak strain diversity appeared to be lower than that predicted by pulsed-field gel electrophoresis, which seems to pick up variation in the bug's accessory genome rather than from core sequences containing outbreak-related determinants.

The simian Treponema strain Fribourg-Blanc is most genetically similarly to the T. pallidum sub-species that causes yaws in humans, according to a study in PLOS Neglected Tropical Diseases. Investigators from Masaryk University in the Czech Republic and Washington University School of Medicine generated a high-quality genome sequence for the Fribourg-Blanc strain. When they compared the genome sequences for representatives from the T. pallidum sub-species that cause syphilis (pallidum) or yaws (pertenue), researchers found that the Fribourg-Blanc strain clustered most closely with the yaws-causing pertenue sub-species. "[W]e propose to rename the unclassified simian isolate to T. pallidum ssp. pertenue strain Fribourg-Blanc," authors of the study say, noting that "non-human primates could serve as possible reservoirs of [yaws-causing] strains."

FDA for "2 Cents a Day"

In front of the Senate appropriations subcommittee yesterday, US Food and Drug Administration Commissioner Margaret Hamburg said the agency is a "true bargain" among federal agencies, at a cost of about two cents a day or eight dollars a year for each American.

Reuters reports that Hamburg appeared before the committee to ask for more money in the face of mandatory cuts of about $209 million to the agency budget as part of the sequester.

The FDA gets only a small part of its funding from taxpayers, with most of its budget filled by user fees paid by drug and other companies that submit products for review. The sequester is set to withhold a portion of these user fees.

According to Reuters, Hamburg argued to the committee what she told Massachusetts Biotechnology Council annual meeting attendees — that such fees should be exempt from the cuts, and that the FDA "will not always be able to complete its review of new drug applications on the agreed upon schedule," without them.

According to Hamburg, the FDA is doing its best to tighten its belt by cutting back on travel and training, but plans to expand its oversight of specialty compounding pharmacies to the tune of $3 million and also needs money to respond to increasing globalization of the food and drug supply chain.

The Microbes You Share

With all the licking and petting, dogs and their owners share microorganisms. Dog ownership, writes Lisa Raffensperger at D-brief, may be a main factor influencing what microbes live on a person's skin.

In a new study, researchers led by the University of Colorado's Rob Knight examined the fecal, oral, and skin microbiota of 60 families with and without children or dogs. As they report in eLife, cohabitating partners shared many microbes, especially Prevotella and Veillonella, but people also had similar microbial communities as their dogs. Dogs, Raffensperger notes, harbor Methylophilaceae bacteria in their mouths that appear to make their way to dog owners' skin.

"It is intriguing to consider that who we cohabit with, including companion animals, may alter our physiological properties by influencing the consortia of microbial symbionts that we harbor in and on our various body habitats, and in particular, our skin habitats," Knight and his colleagues write.

Economics and Serendipity

By now, you've probably read several blog post and articles that make arguments for why research data and software should be free and open to all — we figure one more won't hurt.

In a recent post, an Ensembl outreach officer makes a case for why Ensembl's data and code are open source and open access that is based on economics and chance.

Economically speaking, making everything open saves time, money, and infrastructure and just makes for more efficient research.

"Funders and scientists understand that lots of different labs need the data and the analysis that we produce," the post says. "However, it would be horribly inefficient if each lab who needs the resources we provide had to produce it themselves, repeating work that somebody else has already done, spending money that has already been spent, spending time that they could be spending doing other experiments or doing other analysis."

Also, unrestricted access to data leaves room for surprise discoveries, like the time Alexander Fleming found a fungus or when the Kellogg brothers discovered that stale wheat could be rather tasty.

"If we charged people to use Ensembl in some kind of per-use manner, then they’d only use Ensembl to look for things they knew they were looking for," the author writes. "By allowing people to browse Ensembl freely, without worrying about costs, they may stumble across the tool or data that will be exactly what they need."

Spanish Grants Postponed

The Spanish government is postponing the awarding of some scientific program grants, including for the Ramon y Cajal program that is designed to encourage Spanish and foreign researchers to work in Spain, reports the Nature News Blog. In addition, travel grants have been reduced. The blog adds that "940 positions for scientists and lab technicians with a total spending of €104 million" are at stake.

"The move has raised fears among junior and senior scientists that this could be an additional cut to the already battered science budget, which has gone through four years of continued reductions," the Nature News Blog writes.

The budget, according to the Confederation of Spanish Scientific Societies, has been cut by 7.2 percent for this year, and was slashed by 25.5 percent in 2012. According to the Nature News Blog, the Ramon y Cajal program has already been delayed and gone through a hiring freeze.

"We only expect to issue a provisional Ramón y Cajal grantee list after the summer," a spokesperson for the research secretary tells the Nature News Blog.

This Week in Science

In Science this week, a team from the Cincinnati Children's Hospital Research Foundation reports on the discovery that the interaction between a microRNA known as let-7 and a gene called lin-41 is partly responsible for why aging neurons lose the ability to regenerate. The scientists found that in Caenorhabditis elegans, let-7 inhibits the expression of lin-41, which helps promote neuron regeneration in older anterior ventral microtubule neurons. In younger neurons, however, lin-41 appears to block let-7 expression. "This reciprocal inhibition ensures that axon regeneration is inhibited only in older neurons," the researchers write. "These findings show that a let-7–lin-41 regulatory circuit, which was previously shown to control timing of events in mitotic stem cell lineages, is reutilized in postmitotic neurons to control postdifferentiation events."

Meanwhile, in Science Translational Medicine, a team of academic and industry scientists publish details about a set of genetic signatures that may provide predictive information about breast cancer. As part of a competition with other groups, the researchers developed a new computational model for gene signature analysis, and trained it using genomic and clinical data from more than a thousand women diagnosed with breast cancer. They then tested it using a new dataset from 184 women breast cancer and found that it could predict patient survival compared with other entries in the competition.

Not for the 'Faint of Heart'

Diagnostics are a tough business, writes life sciences venture capitalist Bruce Booth.

And he should know — he's currently in the process of unwinding cancer diagnostics company On-Q-Ity, an investment by his firm, Atlas Ventures, that didn't quite work out.

The reading public is the beneficiary of Booth's loss, though, as he performs a post-mortem of sorts, looking at what went wrong.

Among the lessons learned:

"Crashing two Fords together doesn't make a Porsche," Booth writes of his team's effort to combine two biotech firms — one focused on circulating tumor cell detection and the other on DNA repair biomarkers — into a single venture.

"Tranche the capital." Apparently when you get all $26 million of your Series A funds at once, it can be hard not to spend it.

"Team, team, team." In other words, it helps to have a stable management team in place.

And, as noted above, "diagnostics aren't for the faint of heart."

"Despite the frothy commentary about personalized medicine and the dawn of diagnostics, it's a very tough business that faces many of the risks and costs of drug R&D but without the upside," Booth says.

Old Marks

The epigenome can be detected in some ancient human remains, the New Scientist reports. Following a report last year that DNA methylation could be detected in 26,000-year-old bison bones, the University of Texas at Austin's Rick Smith collected a number of ancient human remains for testing. He presented his work last week at the American Association of Physical Anthropologists in Knoxville, Tenn., New Scientist adds.

Smith, the New Scientist reports, compared the methylation state of the 30 samples, which ranged in age from 200 years old to 6,000 years old, with samples from modern humans. "Comparison of the methylation patterns with modern humans yielded similarities in 27 of the samples," it adds. Harvard University's Adrian Briggs points out, though, that methylation patterns vary from tissue to tissue and that with only bone samples, the full epigenome of ancient humans won't be able to be constructed.

Off to Prison

A three-month prison sentence has been handed down to a UK researcher convicted of faking his results, Retraction Watch reports. Steven Eaton, the BBC adds, would be the first person to be jailed under a 1999 UK scientific safety law.

"I feel that my sentencing powers in this are wholly inadequate. You failed to test the drugs properly — you could have caused cancer patients unquestionable harm," Edinburgh Sheriff Michael O'Grady said, according to the BBC.

Eaton worked for the US-based Aptuit at its Riccarton, Scotland, branch (which has since closed) where he focused on anti-cancer drugs, but in 2009 his bosses noticed something amiss with his results and he was dismissed. They also reported him to the Medicines and Healthcare Products Regulatory Agency, which investigated the case, the BBC adds, and found that Eaton had been selectively reporting results since 2003.

Aptuit notes in a statement that Eaton hasn't been associated with them for more than four years. "At the close of this investigation two years ago, Aptuit received a letter from the MHRA stating that the matter was concluded," the company says, "and that '…the investigation by the MHRA and GLPMA has found no evidence to suggest that the data integrity issues were caused as a result of actions taken by the company. The data integrity issues appear to have been caused by the independent actions of individual employees.'"

Retraction Watch notes that only a handful of researchers have been jailed for scientific misconduct. "Scott Reuben was sentenced to six months' prison for health care fraud and Eric Poehlman got a year and a day for faking a grant application. Luk Van Parijs was given six months of home detention and 400 hours of community service for fraud in papers," lists Adam Marcus at Retraction Watch.

This Week in Nature

In this week's Nature, an international team of researchers led by the Broad Institute's Kerstin Lindblad-Toh report on the genomic sequence of the African coelacanth Latimeria chalumnae, which is part of a lineage of lobe-finned fish thought until the 1930s to have become extinct millions of years ago. The scientists found that the fish's protein-coding genes, are "significantly more slowly evolving than those of other tetrapods, unlike other genomic features." They also confirmed that another lobe-finned fish, the lungfish, and not the coelacanth is the closest living relative of tetrapods.

Daily Scan sister publication GenomeWeb Daily News has more on this study here.

Also in Nature, a team led by investigators from the Wellcome Trust Sanger Institute publish the sequenced genome of the zebrafish, one of the most widely used model organisms. They found that the zebrafish has the largest gene set of any vertebrate sequences so far, and show that 70 percent of human genes have at least one obvious zebrafish ortholog. In a second study, a team also led by Sanger's Derek Stemple used the zebrafish reference genome to find potentially disruptive mutations in more that 38 percent of the animal's known protein-encoding genes. They also found mutations in zebrafish equivalents of 3,188 genes associated with human diseases, and 2,505 alleles associated with a human trait.

GWDN also has more on these studies here.

The Funds It Needs

Smaller scientific research budgets lead to less data being generated by scientists, not the "romantic ideas of a creative genius alone in a lab, struggling against the odds," writes Oxford University's Mark Stokes in the Guardian. Stokes, a neuroscientist, notes that a number of experiments in his field have been underpowered.

"Insufficient data inevitably comes down to a question of funding. Scientists love data, and they especially love lots of data," he writes. "But funding is always limited and expectations are always high — there are strong incentives to publish more for less."

However, Stokes says that increasing funding — as brain-mapping efforts in the US and Europe plan to do — is only part of the issue. The other part is the notion that doing science on the cheap is cost effective, he says. Poorly funded studies may be underpowered and full of false-positive results that could lead other researchers astray. "So yes, science needs more funding, but we also need to rethink how the available funds are allocated," Stokes writes. "If there is a genuine commitment to funding a particular experiment, then it is essential that enough money is allocated for that experiment to be carried out properly."

Albany Award

The University of Chicago's Janet Rowley, Peter Nowell from the University of Pennsylvania, and Brian Druker of Oregon Health and Science University have won the Albany Medical Center Prize in Medicine and Biomedical Research, the Associated Press reports.

"These individuals exemplify the extraordinary impact that painstaking research can have on the lives of countless individuals," James Barba, president and CEO of Albany Medical Center tells the AP.

Rowley is known for her work identifying chromosomal translocations in leukemia. "It's remarkable that people still remember (my research)," Rowley tells the Chicago Tribune.

Nowell found the Philadelphia chromosome in chronic myeloid leukemia, showing that cancer could be a genetic disease, and Druker worked on the development of the leukemia drug, imatinib, also known as Gleevec.

The trio will split a $500,000 prize, which will be awarded in May.

In 2011, the honors went to Elaine Fuchs of Rockefeller University in New York City, the University of Wisconsin's James Thomson, and Shinya Yamanaka of Japan's Kyoto University for their stem cell work. Last year's went to James Darnell and Robert Roeder, both at Rockefeller University.