An anonymous reader quotes a report from NPR:
There's a big molecule, a protein, inside the leaves of most plants. It's called Rubisco, which is short for an actual chemical name that's very long and hard to remember. Rubisco has one job. It picks up carbon dioxide from the air, and it uses the carbon to make sugar molecules. It gets the energy to do this from the sun. This is photosynthesis, the process by which plants use sunlight to make food, a foundation of life on Earth. "But it has what we like to call one fatal flaw," Amanda Cavanagh, a biologist and post-doctoral researcher at the University of Illinois, says. Unfortunately, Rubisco isn't picky enough about what it grabs from the air. It also picks up oxygen. "When it does that, it makes a toxic compound, so the plant has to detoxify it."
Plants have a whole complicated chemical assembly line to carry out this detoxification, and the process uses up a lot of energy. This means the plant has less energy for making leaves, or food for us. Cavanagh and her colleagues in a research program called Realizing Increased Photosynthetic Efficiency (RIPE), which is based at the University of Illinois, have spent the last five years trying to fix Rubisco's problem. "We're sort of hacking photosynthesis," she says. They experimented with tobacco plants, just because tobacco is easy to work with. They inserted some new genes into these plants, which shut down the existing detoxification assembly line and set up a new one that's way more efficient. And they created super tobacco plants. "They grew faster, and they grew up to 40 percent bigger" than normal tobacco plants, Cavanagh says. These measurements were done both in greenhouses and open-air field plots.
The scientists are trying to apply this technique to other plants, like tomatoes, soybeans, and black-eyed peas, which are a staple food crop for a lot of farmers in sub-Saharan Africa. Cavanagh and her colleagues published their work this week in the journal Science.
https://www.npr.org/sections/thesalt/20 ... tive-crops" onclick="window.open(this.href);return false;
hacking photosynthesis
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hacking photosynthesis
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hacking photosynthesis
I will watch you smoke it for a few years. It is still a GMO and may have unintended consequences.
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hacking photosynthesis
ya ya…
An anonymous reader shares a report:
A Canadian biologist planted the seed of the idea more than a decade ago, but many plant biologists regarded it as heretical -- plants lack the nervous systems that enable animals to recognize kin, so how can they know their relatives? But with a series of recent findings, the notion that plants really do care for their most genetically close peers -- in a quiet, plant-y way -- is taking root. . Some species constrain how far their roots spread, others change how many flowers they produce, and a few tilt or shift their leaves to minimize shading of neighboring plants, favoring related individuals.
"We need to recognize that plants not only sense whether it's light or dark or if they've been touched, but also whom they are interacting with," says Susan Dudley, a plant evolutionary ecologist at McMaster University in Hamilton, Canada, whose early plant kin recognition studies sparked the interest of many scientists. Beyond broadening views of plant behavior, the new work may have a practical side. In September 2018, a team in China reported that rice planted with kin grows better, a finding that suggested family ties can be exploited to improve crop yields. "It seems anytime anyone looks for it, they find a kin effect," says Andre Kessler, a chemical ecologist at Cornell University.
https://www.sciencemag.org/news/2019/01 ... aking-root" onclick="window.open(this.href);return false;
An anonymous reader shares a report:
A Canadian biologist planted the seed of the idea more than a decade ago, but many plant biologists regarded it as heretical -- plants lack the nervous systems that enable animals to recognize kin, so how can they know their relatives? But with a series of recent findings, the notion that plants really do care for their most genetically close peers -- in a quiet, plant-y way -- is taking root. . Some species constrain how far their roots spread, others change how many flowers they produce, and a few tilt or shift their leaves to minimize shading of neighboring plants, favoring related individuals.
"We need to recognize that plants not only sense whether it's light or dark or if they've been touched, but also whom they are interacting with," says Susan Dudley, a plant evolutionary ecologist at McMaster University in Hamilton, Canada, whose early plant kin recognition studies sparked the interest of many scientists. Beyond broadening views of plant behavior, the new work may have a practical side. In September 2018, a team in China reported that rice planted with kin grows better, a finding that suggested family ties can be exploited to improve crop yields. "It seems anytime anyone looks for it, they find a kin effect," says Andre Kessler, a chemical ecologist at Cornell University.
https://www.sciencemag.org/news/2019/01 ... aking-root" onclick="window.open(this.href);return false;
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hacking photosynthesis
as long some manufactors of fertz and add ons claim more than 100% yield increase
i will stick with them
kidding aside,
many have the wrong approach on yield
yield isnt about chemistry, yield is about managing space and differnt kinds of methods of growing/training and so on
what i want to say, if i know or can predict the 3d structure of a plant in space, i can use that knowledge to my advantage and therby getting always this 500 and more grams per 1m², bc i can and i have to adopt, bc im the grower, im the "creator" of space for yield
imho , this whole shit is just a fraud, directed to those that dont know better
i will stick with them
kidding aside,
many have the wrong approach on yield
yield isnt about chemistry, yield is about managing space and differnt kinds of methods of growing/training and so on
what i want to say, if i know or can predict the 3d structure of a plant in space, i can use that knowledge to my advantage and therby getting always this 500 and more grams per 1m², bc i can and i have to adopt, bc im the grower, im the "creator" of space for yield
imho , this whole shit is just a fraud, directed to those that dont know better
awoken the right way