Posts Tagged ‘bacteria’

You Know Your Blood Type. What About Your Gut Bug Type?

By AMIE NINH, courtesy of TIME

Veronika Burmeister via Getty Images

VERONIKA BURMEISTER VIA GETTY IMAGES

Consider this: of the trillions upon trillions of cells in the human body, only about 1 in 10 is actually human. The rest belong to microbes, which colonize every inch of you, from the inside of your mouth to the skin between your toes. It’s no wonder, then, that research is increasingly finding that the diversity of these microbes has important effects on health.

The vast majority of microbes — perhaps up to 100 trillion of them — live in our guts. So-called gut bugs help digest our food, assist our immune systems, maintain the health of the intestines, produce vitamins, aid metabolism and extract calories from food (which is why much research has associated gut bugs with obesity).

To better understand the way gut bugs work, a new study has aimed to categorize the lot of them. The study, led by Peer Bork of the European Molecular Biology Laboratory in Heidelberg, Germany, found that the bacteria in our guts falls into one of three distinct ecosystems, or "enterotypes."

"The three gut types can explain why the uptake of medicines and nutrients varies from person to person," Jeroen Raes, a bioinformatician at Vrije University in Brussels and coauthor of the new study, said in a statement. Which means that knowing a person’s enterotype could someday help doctors tailor drug treatments or diets to suit them better.

The New York Times reports:

Or, [Bork] speculated, doctors might be able to use enterotypes to find alternatives to antibiotics, which are becoming increasingly ineffective. Instead of trying to wipe out disease-causing bacteria that have disrupted the ecological balance of the gut, they could try to provide reinforcements for the good bacteria. "You’d try to restore the type you had before," he said.

For the new study, the research team evaluated stool samples from 22 European individuals, extracted the DNA and determined its composition by using DNA analysis and computers. They also compared the results to other published findings from Japanese and American subjects.

Scientists found that each of the three enterotypes was composed of a unique balance of microbe species. The team named each type after its dominant bacteria: Bacteroides, an enterotype that’s known to break down carbohydrates and is better at making vitamins B2, B5, C and H; Prevotella, which degrades mucus and produces more B1 and folic acid; and Ruminococcus, which…
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Good News for a Change? A Newly-Discovered Species of Bacteria May Be Breaking Down Oil in Deepwater Plumes in the Gulf

Good News for a Change? A Newly-Discovered Species of Bacteria May Be Breaking Down Oil in Deepwater Plumes in the Gulf

Courtesy of Washington’s Blog

DULARGE, LA - AUGUST 16: Daniel May runs his small shrimping skiff through a bayou on August 16, 2010 near DuLarge, Louisiana. Today marks the beginning of the shrimping season for white shrimp in Louisiana, the first since the Deepwater Horizon accident in the Gulf of Mexico. (Photo by Win McNamee/Getty Images)

A team of scientists published a paper today in the journal Science which provides some hopeful news.

Specifically, a team of scientists have discovered a new species of oil-eating microbes which thrive in the deepwater of the Gulf of Mexico:

The biological effects and expected fate of the vast amount of oil in the Gulf of Mexico from the Deepwater Horizon blowout are unknown due to the depth and magnitude of this event. Here, we report that the dispersed hydrocarbon plume stimulated deep-sea indigenous {gamma}-proteobacteria that are closely related to known petroleum-degraders. Hydrocarbon-degrading genes coincided with the concentration of various oil contaminants. Changes in hydrocarbon composition with distance from the source and incubation experiments with environmental isolates demonstrate faster-than-expected hydrocarbon biodegradation rates at 5°C.

Even better, the scientists believe that this new species (pronounced "gamma-proteo-bacteria") may not suck up as much oxygen as previously-discovered species:

Based on these results, the potential exists for intrinsic bioremediation of the oil plume in the deep-water column without substantial oxygen drawdown.

This discovery is especially important given that a leading expert on oil-eating microbes – Dr. David Valentine – failed to find any of the leading known oil-eating bacteria in the deepwater plumes.

As AP notes:

A newly discovered type of oil-eating microbe is suddenly flourishing in the Gulf of Mexico.

***

Their findings are based on more than 200 samples collected from 17 deepwater sites between May 25 and June 2. They found that the dominant microbe in the oil plume is a new species, closely related to members of Oceanospirillales.

***

[Lead author Dr. Terry Hazen, co-director of the Earth Sciences Division of the Lawrence Berkeley National Laboratories], suggested that the bacteria may have adapted over time due to periodic leaks and natural seeps of oil in the Gulf.

Scientists also had been concerned that oil-eating activity by microbes would consume large amounts of oxygen in the water, creating a "dead zone" dangerous to other life. But the new study found that oxygen saturation outside the oil plume was 67-percent while within the plume it was 59-percent.

Many well-known bacteria – such as Salmonella,
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Scientist Creates Life. That’s a Good Thing, Right?

Scientist Creates Life. That’s a Good Thing, Right?

By Alice Park, courtesy of TIME 

It’s the ultimate science experiment, really — taking a handful of chemicals, mixing them in just the right combination and presto — life!

And after nearly 15 years of such toiling in his labs in Rockville, Md., J. Craig Venter, co-mapper of the human genome, has done just that. Reporting in the journal Science, he describes a remarkable experiment in which he and the team at his eponymous institute have pieced together the entire genome of a bacterium and then inserted those genetic instructions into another bacterium. The cell booted up, and life — by nearly any definition — was created. 

"We’re basically getting new life out of the computer," Venter says. "We started with a genetic code in the computer, wrote the ‘software,’ put it into the cell and transformed it biologically into a new species. We’re still stunned by it as a concept."

With Venter’s breakthrough it’s now possible to splice and snap together genetic material to create a Legoland’s worth of new genetic combinations. Ideally, some of these would have robust industrial purposes, such as manufacturing bacteria that can churn out valuable vaccine components to shorten production times during an epidemic, or co-opting organisms such as algae to pump out new sources of biofuel-based energy. 

"Just imagine these cells where all we do is put in a new piece of chemical software and all the characteristics of the cell start changing to become what was dictated by the new software," says Venter. "These are biological transformers."

The paper is the final and most critical step toward realizing what began as scientific curiosity among the scientists at the J. Craig Venter Institute back in the early 1990s, when many of the same researchers first succeeded in sequencing the entire genome of a self-replicating organism, the bacterium Haemophilus influenzae. That led to the generation of the complete sequencing of the smallest known genome, at 582,000 base pairs, belonging to another bacterium, Mycoplasma genitalium. Such smallness was intriguing because it led Venter to the philosophical question that inspired the current research — what was the minimum genome required to create life in the lab? 

For the study just released, the answer turned out to be about 1 million, and the paper describes how he did it. DNA is made up of millions of…
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Bacteria, Boids and Market Instability

Here’s some weekend reading in advance. Consider throwing away economic models based on the misconception that people behave rationally and start anew with the premise that we are like mindless bacteria. – Ilene

Bacteria, Boids and Market Instability

bacterial behaviorCourtesy of Tim at  The Psy-Fi Blog

The Gaps Between People

Old-time economics saw investors as rational individuals, all behaving autonomously in a logical fashion, rather like Mr. Spock umbilically attached to Deep Thought. Today not even economists really believe that this is how people actually operate, but figuring out something better is a not insignificant task. Psychologists, however, have long known that what happens in the gaps between people is as important as what happens in the gaps between their ears – so is there something going on in the interactions between investors, which causes market instability?

One possible answer comes from the study of bacteria. Just as we might have suspected all along, stockmarket investor behaviour can be modelled by examining the way a bunch of brainless, single celled and barely animate creatures interested only in food and reproduction disport themselves on a Petri plate. Sometimes analogies are just too sweet.

Investing Earthquakes

The critical thing about any economic model is that it arrives at results that look like what we actually see in markets. Mostly the jargon fixated commentators who dominate the media are happy to talk in terms of business cycles when, in reality, the only cycles seen in most investing circles are the ones used by the boys and girls delivering lunchboxes. What we actually get, if we look at stockmarkets and stock prices, is something that looks like the readout we see from a seismograph when an earthquake occurs.

If we start by making a few assumptions about what investors actually do in real life – like, for instance, that they don’t behave rationally and that they tend to copy successful behaviour from people they’re closely connected to – we can rapidly create a model that produces outputs that look very different from those generated by models of people who behave independently and rationally. In fact the output of these models looks a lot like the readout we see from a seismograph when an earthquake occurs.

So it seems that the interactions between investors and how these interactions affect their willingness or otherwise to invest is the critical thing in these models.…
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ValueWalk

Tesla Motors (TSLA) is valued at roughly $620,000 for every car

By Jacob Wolinsky. Originally published at ValueWalk.

Tesla Motors (TSLA) – With a market capitalization of $31 billion, Tesla Motors is valued by Wall Street at roughly $620,000 for every car the company delivered in 2015. Tesla’s lofty valuation has made shares of the company one of the most popular plays among short sellers.

Goldman Sachs disagrees with the valuation, stating:

On the back of this analysis, our base case volumes and EPS estimates rise by an average of 11% and 17% from 2018-2025 (and our downside case by 5% and 10%, respectively). We also raise the probability of our upside case –where Tesla goes from being merely successful to being disruptive, to 35% from 25%. This drives the bulk of our 6-month price target revision to $245 from $202, enough to justify the current price but with limited upside ...



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Chart School

S&P 500 Snapshot: Erasing Yesterday's Gain

Courtesy of Doug Short's Advisor Perspectives.

Yesterday, the first market day of the proverbial "sell in May" strategy, saw a 0.78% gain, but the second day of May trading erased the gain with a 0.87% loss. Today was light on economic news, with the big economic event of the week coming on Friday with the release of the April employment report. The popular financial press pointed to larger than expected contraction (at 49.4) in China's Caixin Manufacturing PMI, a diffusion index that has contracted for the past 21 months. Our colleagues at Investing.com had forecast a near break-even at 49.9. The S&P 500 plunged at the open and sold off to its late morning -1.28% intraday low. It rec...

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Zero Hedge

Mike Bloomberg Booed After Lashing Out At College "Safe Spaces"

Courtesy of ZeroHedge. View original post here.

Submitted by Tyler Durden.

Michael Bloomberg gave a not so popular commencement address at the University of Michigan over the weekend. The former champion of banning large sugary drinks was surprisingly critical of college "safe spaces", the new trend that's sweeping the nation.

When the topic of critical lessons learned throughout college came up, the former mayor didn't hold back on his feelings about the subject. As he spoke, ...



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Phil's Favorites

Trump 41%, Clinton 39% in Rasmussen Poll; Cruz's Rating Negative in Gallup Poll

Courtesy of Mish.

Despite massive amounts of nonsense from the Republican elite that Trump cannot beat Hillary, and from Ted Cruz who claims that he is the only one who can, comes two relevant polls to the contrary.

Trump 41%, Clinton 39%

A recent Rasmussen Reports polls says Trump 41%, Clinton 39%

Last week, Rasmussen Reports gave voters the option of staying home on Election Day if Hillary Clinton and Donald Trump are the big party nominees, and six percent (6%) said that’s what they intend to do for now. Clinton and Trump were tied with 38% support each; 16% said they would vote for some other candidate, and two ...



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All About Trends

Mid-Day Update

Reminder: Harlan is available to chat with Members, comments are found below each post.

Click here for the full report.




To learn more, sign up for David's free newsletter and receive the free report from All About Trends - "How To Outperform 90% Of Wall Street With Just $500 A Week." Tell David PSW sent you. - Ilene...

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Market News

News You Can Use From Phil's Stock World

 

Financial Markets and Economy

The wheels of the US economy may be grinding to a halt (Business Insider)

Or, as Bespoke Investment Group put it in a note Monday, "Both reported demand and reported supply of C&I loans are suggesting that credit will stop flowing to business from banks in the near future, if history is any guide."

U.S. Stock-Index Futures Decline as Growth Concerns Resurface (Bloomberg)

U.S. stock-index futures fell, following the S&P 500’s strongest advance in more than two weeks, amid rekindled angst over the sluggish pace of global growth and an unin...



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Kimble Charting Solutions

DAX Index (Germany) - Leading indicator pulling S&P down with it?

Courtesy of Chris Kimble.

Over the past 12-15 months, the majority of global stock markets have been in a down trend, creating a series of lower highs and lower lows. The German Stock market peaked around 6-weeks ahead of the S&P 500 last year and could be considered a global trend leader, creating a domino effect.

Below updates the pattern in the DAX index-

CLICK ON CHART TO ENLARGE

The DAX index remains inside of long-term rising channel (A), no doubt ...



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Digital Currencies

Is Craig Wright The Creator Of Bitcoin? Frisby and Matonis On 'Satoshi Nakamoto'

Courtesy of ZeroHedge. View original post here.

Is Craig Wright The Creator Of Bitcoin? Frisby and Matonis On ‘Satoshi Nakamoto’

By Mark O'Byrnewww.GoldCore.com 

Craig Wright, an Australian computer scientist, self-declared cyber security expert and entrepreneur, has claimed to be the creator of Bitcoin, the elusive &l...



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OpTrader

Swing trading portfolio - week of May 2nd, 2016

Reminder: OpTrader is available to chat with Members, comments are found below each post.

 

This post is for all our live virtual trade ideas and daily comments. Please click on "comments" below to follow our live discussion. All of our current  trades are listed in the spreadsheet below, with entry price (1/2 in and All in), and exit prices (1/3 out, 2/3 out, and All out).

We also indicate our stop, which is most of the time the "5 day moving average". All trades, unless indicated, are front-month ATM options. 

Please feel free to participate in the discussion and ask any questions you might have about this virtual portfolio, by clicking on the "comments" link right below.

To learn more about the swing trading virtual portfolio (strategy, performance, FAQ, etc.), please click here ...



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Biotech

PRGO, VRX and an Overpriced Papa

Reminder: Pharmboy and Ilene are available to chat with Members, comments are found below each post.

By Ilene 

Remember this? It was Monday. PRGO is down from around $130 to under $100 since I started following it LAST WEEK. That's down almost 25% in a week, and almost 50% in the last year. So I wrote, 

"Perrigo CEO Joseph Papa leaves Perrigo (PRGO) to lead Valeant (VRX) while PRGO issues a warning about missing earnings expectations. Not surprisingly, PRGO stock plummeted today. 

Robert Ingram, Chairman of the [Valeant] Board, stated, "The Board has conducted a thorough search process and believes that Joe is the ideal leader for Valeant at this time. He has a strong shareholder orientation,...



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Mapping The Market

About that debate last night

Although we try to stay focused on finding and managing promising trade ideas, the comments in the comment section sometimes take a political turn (for access, try PSW — click here!). So today, Jean Luc writes,

The GOP debate last night was just unreal – are these people running to be president of the US or to lead a college fraternity! Comparing tool size? The only guy that looks semi-sane is Kasich. The other guys are just like 3 jackals right now. 

And something else – if Trump is the candidate, that little Romney speech yesterday is probably already being made into a commercial. And all these little snippets from the debate will also make some nice ads! If you are a conservative, you have to be scared now. 

Phil writes back,

I was expecting them to start throwing poop at each other &n...



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Help One Of Our Own PSW Members

"Hello PSW Members –

This is a non-trading topic, but I wanted to post it during trading hours so as many eyes can see it as possible.  Feel free to contact me directly at jennifersurovy@yahoo.com with any questions.

Last fall there was some discussion on the PSW board regarding setting up a YouCaring donation page for a PSW member, Shadowfax. Since then, we have been looking into ways to help get him additional medical services and to pay down his medical debts.  After following those leads, we are ready to move ahead with the YouCaring site. (Link is posted below.)  Any help you can give will be greatly appreciated; not only to help aid in his medical bill debt, but to also show what a great community this group is.

http://www.youcaring.com/medical-fundraiser/help-get-shadowfax-out-from-the-darkness-of-medical-bills-/126743

Thank you for you time!




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