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Archive for the ‘food’ category: Page 216

Jan 7, 2019

Scientists could engineer a spicy tomato. Is it worth it?

Posted by in categories: bioengineering, biotech/medical, food, genetics

Spicy food is popular the world over, but the active ingredient that makes food taste “hot”—capsaicinoids, a group of chemical compounds has useful properties beyond making food taste delicious. However, the plants that make them (the chili pepper family, or Capsicum) are small and have relatively low yields. A new paper published today in the journal Trends in Plant Science proposes an alternative: engineering tomato plants to produce capsaicinoids. If all goes well, someday, you could enjoy a spicy tomato, or even be treated with capsaicinoids extracted from one.

The paper, written by a group at Brazil’s Federal University of Viçosa, builds on recent work that showed the tomato has all the genetic information it needs to produce capsaicinoids. “We know that all the genes are there, but in the tomato they are silent,” study author Agustin Zsӧgӧn says. His paper proposes a method for using gene-editing techniques to activate the genetic machinery in the tomato that tells it how to produce capsaicinoids, transforming the plant into both a “biofactory” that could produce larger amounts of the chemicals than it’s currently possible to grow and a spicy snack.

Tomatoes have capsaicinoid genetic pathways like peppers because the two South American plants are related. “In our lab, we work with both species,” Zsӧgӧn says. Last year, his team used gene editing to “domesticate” a wild tomato in just a few generations, engineering the strain to produce larger fruit, and greater quantities of it, than in the wild. This kind of process is how we ended up with the crops we eat today—early farmers planted the offspring of the most fruitful plants of each generation, enabling their genetic survival. CRISPR-Cas9 is just a shortcut.

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Jan 7, 2019

IBM CEO Ginni Rometty Delivers Opening Keynote at CES 2019 on What’s Next in Artificial Intelligence, Blockchain and Quantum Computing

Posted by in categories: bitcoin, business, food, quantum physics, robotics/AI

ARMONK, N.Y., Jan. 4, 2019 /PRNewswire/ — IBM (NYSE: IBM) Chairman, President and CEO Ginni Rometty will deliver the opening keynote at CES 2019 on Tuesday, Jan. 8. CES is the largest and one of the most influential technology events in the world.

Rometty will show how technologies like artificial intelligence, blockchain and cloud are reshaping the world of business, and, in turn, our daily lives. She also will talk about what’s coming next in these pioneering technologies – and how new data will revolutionize how we live, work and play. Rometty shares perspective on the future of technology in the Consumer Technology Association magazine It Is Innovation (i3) CES edition: https://www.nxtbook.com/nxtbooks/manifest/i3_20190102

Rometty will be joined onstage by Ed Bastian, CEO of Delta Air Lines; Charles Redfield, executive vice president of Food for Walmart; and Vijay Swarup, vice president of R&D for ExxonMobil.

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Jan 4, 2019

There Are Plants and Animals on the Moon Now (Because of China)

Posted by in categories: food, space

China’s Chang’e-4 lander contains a living experiment that could lay the groundwork for agriculture at its future lunar base.

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Jan 4, 2019

Scientists hack plant photosynthesis to boost crop yields

Posted by in categories: cybercrime/malcode, food

An international team of researchers has, for the first time, demonstrated that by fixing a common glitch in photosynthesis, a crop’s yield could be improved by around 40 percent. The landmark study suggests optimizing a plant’s photosynthetic efficiency could significantly increase worldwide food productivity.

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Jan 4, 2019

Scientists Fix a Crucial Photosynthesis ‘Glitch’, Boosting Crop Growth

Posted by in category: food

Scientists have fixed a natural flaw in photosynthesis, and as a result have boosted plant productivity by an incredible 40 percent compared to wild relatives.

Photosynthesis is the chemical reaction that lets plants turn sunlight and carbon dioxide into food, and this new hack could result in enough calories to help feed another 200 million people on our planet, from the same volume of crops.

As of now, the fix has only been applied to tobacco plants, so we’re a long way off using this to boost our food supply. But it’s an incredibly promising first step.

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Dec 28, 2018

To Feed the World Sustainably, Repair the Soil

Posted by in category: food

A reconceived farming system can rapidly improve fertility without chemical fertilizers, and without sacrificing crop yields.

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Dec 28, 2018

The world’s most nutritious foods

Posted by in category: food

Such a good news for the holidays! Wonderful food ranking of the 100 most nutritious foods, published in PloS journal. Notice the eighth best place- pork fat: “… 8. PORK FAT 632kcal, $0.95, per 100g A good source of B vitamins and minerals. Pork fat is more unsaturated and healthier than lamb or beef fat…” And for my Bulgarian and other Balkan friends, even better, the seventh best food is the cheapest, time-filling pumpkin seeds, we grew up with. Merry Christmas and a Happy New Year!

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Dec 27, 2018

The Surprising Relativism of the Brain’s GPS

Posted by in categories: biotech/medical, food, neuroscience

Physics grappled with the question of whether space is absolute or relative for centuries, before deciding in favor of relativity. But, it is only in recent years that the brain sciences have begun to discuss a parallel set of questions. For many years now, absolute space has ruled neuroscience. In the visual system, for example, it has long been assumed that there are two channels of information flow.4 The first is the “what” channel, carrying information about the identity of objects that an animal sees. The second is the “where” channel, containing information about the absolute position of these objects. It was believed that the “what” channel contained no positional information at all. However, recent work has shown that while no information about the absolute position of an object is present in this channel, there is relative position information.5,6 This relative positional information is likely to be very important for object recognition.


The first pieces of the brain’s “inner GPS” started coming to light in 1970. In the laboratories of University College London, John O’Keefe and his student Jonathan Dostrovsky recorded the electrical activity of neurons in the hippocampus of freely moving rats. They found a group of neurons that increased their activity only when a rat found itself in a particular location. They called them “place cells.”

Building on these early findings, O’Keefe and his colleague Lynn Nadel proposed that the hippocampus contains an invariant representation of space that does not depend on mood or desire. They called this representation the “cognitive map.” In their view, all of the brain’s place cells together represent the entirety of an animal’s environment, and whichever place cell is active indicates its current location. In other words, the hippocampus is like a GPS. It tells you where you are on a map and that map remains the same whether you are hungry and looking for food or sleepy and looking for a bed. O’Keefe and Nadel suggested that the absolute position represented in the hippocampal place cells provides a mental framework that can be used by an animal to find its way in any situation—be that to find food or a bed.

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Dec 27, 2018

Hungry bacterial colonies swirl to suck up nutrients

Posted by in category: food

When a biofilm has eaten every nearby nutrient it can, bacteria synchronize vortex-like patterns to grab more distant food.

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Dec 26, 2018

Fisetin May be a Low-Hanging Fruit for Aging

Posted by in categories: food, life extension

There has been considerable interest in fisetin recently, especially for its potential as a senolytic, which clears away dysfunctional senescent cells that accumulate with aging. Researchers believe that fisetin may be useful in increasing the healthy period of life known as healthspan.

What is Fisetin?

Fisetin is a naturally occurring flavonol and part of the flavonoid family of polyphenols. Fisetin also acts as a pigment and influences the color of various fruits and vegetables. It can be found in many common fruits and vegetables, although the amounts greatly vary.

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