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Puerto Madryn: Dos arqueólogos submarinistas desarrollaron unas fichas que permiten interpretar naufragios históricos

Puerto Madryn: Dos arqueólogos submarinistas desarrollaron unas fichas que permiten interpretar naufragios históricos
elchubut.com.ar - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from elchubut.com.ar Daily Mail and Mail on Sunday newspapers.

United States , Cristian Murray , Guillermo Reding , Institute Of Evolution , National Institute , Two Archaeologists , Southern Ichthyology , With Cristian Murray , ஒன்றுபட்டது மாநிலங்களில் , நிறுவனம் ஆஃப் பரிணாமம் , தேசிய நிறுவனம் ,

Living as a social parasite leads to genetic impoverishment in ants


Münster (upm/jah)
Three-dimensional surface reconstructions of the brains and head capsules of host species A. heyeri (top) and the socially parasitic species P. argentina. The ants olfactory lobes are marked in yellow.
© Lukas Schrader
Researchers compare genomes of ants and their hosts / Publication in Nature Communications
Some species of ants make life easier for themselves: they live in the colonies of other ant species, exploiting their hosts’ resources. This form of social parasitism has evolved several times independently in ants. An international team of researchers headed by biologist Dr. Lukas Schrader at the University of Münster has now shown that these social parasites have lost some parts of their genomes. This so-called genome erosion impacted genes particularly important for non-parasitic ants, such as olfactory receptors functioning in chemical communication. These findings indicate that the evolution of social parasitism follows sim ....

United States , Charles Darwin , Lukas Schrader , Auguste Forel , Nature Communications , Publication In Nature Communications , Lundbeck Foundation , European Research Council , Institute Of Evolution , Us National Science Foundation , Science Foundation , Wu Münster , ஒன்றுபட்டது மாநிலங்களில் , சார்லஸ் டார்வின் , இயற்கை தகவல்தொடர்புகள் , வெளியீடு இல் இயற்கை தகவல்தொடர்புகள் , ஐரோப்பிய ஆராய்ச்சி சபை , நிறுவனம் ஆஃப் பரிணாமம் , எங்களுக்கு தேசிய அறிவியல் அடித்தளம் , அறிவியல் அடித்தளம் ,

Not Mush-Room for Error


Not Mush-Room for Error
A new Israeli study reveals the threats currently facing wild mushroom populations in Israel. What needs to be done, and what needs to change in order to ensure their presence and diversity for the climatically grim years ahead?
As spring continues to settle in, the outdoor temperatures are gradually getting warmer tempting us to venture outside, take in the natural landscape, and escape the indoor lifestyles we have grown so accustomed to throughout the Coronavirus pandemic. The time spent in nature will allow people to notice the little things like wild mushrooms, for example, growing adjacent to hiking trails and taking on a variety of shapes and features. ....

University Of Haifa , H Efa , Dalia Levinson , Salomon Wasser , Shamir Institute For Research , International Union For Conservation Of Nature , Society For The Protection Of Nature , Shamir Research Institute , Institute Of Evolution , International Union , Global Fungal Red List , Shamir Institute , பல்கலைக்கழகம் ஆஃப் ஹைஃபா , ஏச் எபா , சர்வதேச தொழிற்சங்கம் க்கு பாதுகாப்பு ஆஃப் இயற்கை , சமூகம் க்கு தி ப்ரொடெக்ஶந் ஆஃப் இயற்கை , நிறுவனம் ஆஃப் பரிணாமம் , சர்வதேச தொழிற்சங்கம் ,

New proteins 'out of nothing'


 E-Mail
IMAGE: Regions of the protein s flexibility: not very flexible (blue), moderately flexible (green/yellow) and highly flexible (red). However, both the central alpha helix and the N-terminus (start of the protein) display.
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Credit: Adam Damry
Proteins are the key component in all modern forms of life. Haemoglobin, for example, transports the oxygen in our blood; photosynthesis proteins in the leaves of plants convert sunlight into energy; and fungal enzymes help us to brew beer and bake bread. Researchers have long been examining the question of how proteins mutate or come into existence in the course of millennia. That completely new proteins - and, with them, new properties - can emerge practically out of nothing, was inconceivable for decades, in line with what the Greek philosopher Parmenides said: Nothing can emerge from nothing (ex nihilo nihil fit). Working with colleagues from the USA and Australia, researchers from the Universi ....

College Of The Holy Cross , United States , Australian Capital Territory , Geoff Findlay , Prajal Patel , Adam Damry , Colin Jackson , Erich Bornberg Bauer , Andreas Lange , Brennen Heames , Nature Communications , Australian National University , Institute Of Evolution , Holy Cross , Molecular Biology , கல்லூரி ஆஃப் தி பரிசுத்த குறுக்கு , ஒன்றுபட்டது மாநிலங்களில் , ஆஸ்திரேலிய மூலதனம் பிரதேசம் , ஜியோஃப் கண்டுபிடிப்பு , கொலின் ஜாக்சன் , ஆண்ட்ரியாஸ் லாங்கே , இயற்கை தகவல்தொடர்புகள் , ஆஸ்திரேலிய தேசிய பல்கலைக்கழகம் , நிறுவனம் ஆஃப் பரிணாமம் , பரிசுத்த குறுக்கு , உயிர் வேதியியல் ,

New proteins "out of nothing"


© Mareike Kopping
New proteins “out of nothing”
International team of researchers investigates how evolution forms the structure and function of a newly emerged protein in flies
Proteins are the key component in all modern forms of life. Haemoglobin, for example, transports the oxygen in our blood; photosynthesis proteins in the leaves of plants convert sunlight into energy; and fungal enzymes help us to brew beer and bake bread. Researchers have long been examining the question of how proteins mutate or come into existence in the course of millennia. That completely new proteins – and, with them, new properties – can emerge practically out of nothing, was inconceivable for decades, in line with what the Greek philosopher Parmenides said: “Nothing can emerge from nothing” ....

College Of The Holy Cross , United States , Australian Capital Territory , Geoff Findlay , Prajal Patel , Adam Damry , Andreas Lange , Colin Jackson , Erich Bornberg Bauer , Brennen Heames , Nature Communications , Australian National University , Innovation Framework Programme No , Institute Of Evolution , Mareike Kopping , Holy Cross , European Grant Escat , Innovation Framework Programme , Protein Science , Synthetic Biology , Press Releases , University Of Munster , Media Relations , கல்லூரி ஆஃப் தி பரிசுத்த குறுக்கு , ஒன்றுபட்டது மாநிலங்களில் , ஆஸ்திரேலிய மூலதனம் பிரதேசம் ,