Molecular Biology Demystified
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Molecular Biology Demystified
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Curated by Kalai Ponmani
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Crop achilles' heel costs farmers 10 percent of potential yield - Univ Illinois (2017) 

Crop achilles' heel costs farmers 10 percent of potential yield - Univ Illinois (2017)  | Molecular Biology Demystified | Scoop.it

Scientists assumed leaves at the top of a plant would be the best at turning higher levels of light into carbohydrates – through the process of photosynthesis – while the lower shaded leaves would be better at processing the low light levels that penetrate the plant's canopy of leaves. Turns out that in two of our most productive crops, these shaded leaves are less efficient than the top leaves, limiting yield. These findings... could help scientists further boost the yields of corn and Miscanthus, as well as other C4 crops... 


"The wild ancestors of C4 crops are thought to have grown as individuals in open habitats where the number of leaves that they produced would have been limited by water and nitrogen and most leaves would be exposed to full sunlight... Today we grow these crops in ever denser stands, and provide them with nitrogen and water so that they can produce many more layers of leaves. But as a result, the proportion of leaves that are shaded has increased, and the production of grain will depend more and more on the contribution of this increasing proportion of shaded leaves. So how do... C4 crops do when they are on a meager fuel ration in the shade?"

Not well... when top and bottom leaves are placed in the same low light, the lower canopy leaves showed lower rates of photosynthesis. Shaded corn leaves are 15 percent less efficient than top leaves – and worse, lower leaves are 30 percent less efficient than the top leaves of Miscanthus, a perennial bioenergy crop... Considering the crop as a whole, this loss of efficiency in lower leaves may costs farmers about 10 percent of potential yield – a cost that will increase as planting density increases. This... likely applies to other C4 relatives, such as sugarcane and sorghum.

"What's interesting is that we saw this loss in efficiency in the lower canopy was not due to the leaf senescing and dying off... The leaves were still perfectly healthy when we were looking at them; they were even darker. In the article, we show through experiments that this was not caused by age... It will be important to find out why this loss in efficiency occurs and if there's any way that we can fix it... gaining a 10 percent increase in production would be very significant"... 


http://www.igb.illinois.edu/news/crop-achilles-heel-costs-farmers-10-percent-potential-yield


Underlying article: https://doi.org/10.1093/jxb/erw456



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Why you should never drink whisky on the rocks

Why you should never drink whisky on the rocks | Molecular Biology Demystified | Scoop.it
The Thirsty Explorer heads to the Scottish island of Islay where he learns the important differences between malt and whisky – and how to order it in a bar.

Via Neelima Sinha
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The ends Justify the Means

The ends Justify the Means | Molecular Biology Demystified | Scoop.it
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This put all the gene regulation studies in........................!!???

 

Thats y it's called as Re-Search

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TARGET: A Transient Transformation System for Genome-Wide Transcription Factor Target Discovery

TARGET: A Transient Transformation System for Genome-Wide Transcription Factor Target Discovery | Molecular Biology Demystified | Scoop.it
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Instead they would have Named it as TAREGT-F

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Make your own DNA - io9 - io9

Make your own DNA - io9 - io9 | Molecular Biology Demystified | Scoop.it
Make your own DNA - io9
io9
We love the idea of the Glowing Plant Project, which will teach you about synthetic biology by allowing you to do some.
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Crick Memorial Meeting live stream | Department of Chemistry

Crick Memorial Meeting live stream | Department of Chemistry | Molecular Biology Demystified | Scoop.it
RT @ChanRUK: DNA 60 Anniversary - Crick memorial tomorrow at Cambridge Uni, Dept Chemistry - video link: http://t.co/FERQJKUMAw #DNA60
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DNA: Celebrate the unknowns - Nature.com

DNA: Celebrate the unknowns Nature.com This week's diamond jubilee of the discovery of DNA's molecular structure rightly celebrates how Francis Crick, James Watson and their collaborators launched the 'genomic age' by revealing how hereditary...
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Natural alternatives to protect plants inspired by pharmaceutical research

Natural alternatives to protect plants inspired by pharmaceutical research | Molecular Biology Demystified | Scoop.it
The bacteria Streptomyces could be used as an environmentally friendly alternative to pesticides, scientists in France write in an Opinion published Dec. 1 in Trends in Plant Science. In addition to protecting plants from fungal and other threats, Streptomyces has been shown to keep roots healthy and promote plant growth. Streptomyces or their derived metabolites are already being used in six different agricultural products.

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How your food would look if not genetically modified over millennia | Genetic Literacy Project

How your food would look if not genetically modified over millennia | Genetic Literacy Project | Molecular Biology Demystified | Scoop.it
How your food would look if not genetically modified over millennia | February 2, 2015 | Genetic Literacy Project

Via Neelima Sinha
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Neelima Sinha's curator insight, February 3, 2015 2:58 PM

But for genetic modification by selection, this is what we would be eating!

 

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Four-strand DNA structure found in cells

Four-strand DNA structure found in cells | Molecular Biology Demystified | Scoop.it
Unusual nucleic-acid structure may have role in regulating some genes.

Via Gerd Moe-Behrens
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Eating mangoes may help lower blood sugar and cancer risk - Health - dna

Eating mangoes may help lower blood sugar and cancer risk - Health -  dna | Molecular Biology Demystified | Scoop.it
These findings are the result of a single study and more research is needed on the effects of mango consumption on human health.
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DNA links Trinidad Caribs to Africa and North America

DNA links Trinidad Caribs to Africa and North America | Molecular Biology Demystified | Scoop.it
Recent work by the North American-based National Geographic Genographic Project on the Carib community in Trinidad, utilising Deoxyribo Nucleic Acid (DNA) has confirmed that members of the communit...
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Brain Development Is Guided by Junk DNA That Isn't Really Junk - Science Daily (press release)

Brain Development Is Guided by Junk DNA That Isn't Really Junk - Science Daily (press release) | Molecular Biology Demystified | Scoop.it
Brain Development Is Guided by Junk DNA That Isn't Really Junk
Science Daily (press release)
Apr.
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Deserve to be the first scoop to the category enjoy the junk (DNA)!!!

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