Life Sciences

Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Genes linked to deadly parasites’ spread beyond Africa identified

The findings reveal that climate change and measures to control populations of tsetse flies, which carry the disease, may drive molecular changes in the organisms that cause sleeping sickness — which can be fatal if left untreated. The parasites — known as African trypanosomes — are normally transmitted by tsetse flies in sub-Saharan Africa. However, […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Conserving high-elevation grasslands in Peru is key to protect Andean bears

Andean bears carefully select the best foraging locations and plants to maximize nutrition and avoid livestock, according to a study publishing December 18, 2024, in the open-access journal PLOS ONE by Nicholas Pilfold at the San Diego Zoo Wildlife Alliance in California, U.S., and colleagues. Andean bears, also known as ‘spectacled bears’ because of the […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Is fake meat good to eat? Processed plant-based meat alternatives linked to depression risk in vegetarians

There is mounting evidence suggesting that ultra processed foods (UPF) are bad for our health; but if you stick to a vegetarian diet, is that still the case? Plant-Based Meat Alternatives (PBMA) are considered to be ultra-processed foods and may be associated with similar harms. In the first study of its kind, published in Food […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Threat of abrupt mortality events keeps endangered monkey population at risk, despite decades of growth

Despite the population being almost four times larger than it was in 1982, a new study published in the journal Ecology suggests the northern muriqui monkeys remain at risk, especially in the face of ongoing habitat disturbances. Northern muriquis, which live in the Atlantic Forest of Brazil, are much more peaceful and egalitarian compared to […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Hippos ‘vulnerable’ as gaps in data hinder conservation efforts

A new database of African hippo populations has revealed huge gaps in our knowledge of where the megaherbivores live and thrive, with populations fragmented and reliant on protected areas. Hippos are classified as “vulnerable to extinction” by the International Union for the Conservation of Nature (IUCN) Red List and have been called the “neglected megafauna,” […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Climate and land use change threaten traditional food sources in Russia’s Far East

The distribution of traditional wild food sources in the Republic of Sakha could change significantly, affecting the diets and incomes of Indigenous rural communities who depend on them. Climate- and land use change could significantly alter the make-up and availability of wild traditional foods in the vast Russian Far East, a region that is home […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

A new twist: The molecular machines that loop our chromosomes also twist DNA

Scientists from the Kavli Institute of Delft University of Technology and the IMP Vienna Biocenter discovered a new property of the molecular motors that shape our chromosomes. While six years ago they found that these so-called SMC motor proteins make long loops in our DNA, they now discovered that these motors also put significant twists […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Overfishing has halved shark and ray populations since 1970

A new analysis published in the journal Science reveals that overfishing has caused populations of chondrichthyan fishes — sharks, rays, and chimaeras — to decline by more than 50 per cent since 1970. To determine the consequences, a team of researchers developed an aquatic Red List Index (RLI) which shows that the risk of extinction […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Noninvasive imaging method can penetrate deeper into living tissue

Metabolic imaging is a noninvasive method that enables clinicians and scientists to study living cells using laser light, which can help them assess disease progression and treatment responses. But light scatters when it shines into biological tissue, limiting how deep it can penetrate and hampering the resolution of captured images. Now, MIT researchers have developed […]
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Scientists uncover new way viruses fight back against bacteria
  1. Life Sciences

Once-endangered Kirtland’s warblers show extensive signs of inbreeding in genome

The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study by Penn State researchers. Because inbreeding can negatively impact survival and reproduction, the results could guide continuing conservation efforts for Kirtland’s warblers, whose populations still rely on extensive management. The new study, published Dec. 9 in the journalEvolutionary Applications, […]
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Good Reads

Scientists uncover new way viruses fight back against bacteria

Is fake meat good to eat? Processed plant-based meat alternatives linked to depression risk in vegetarians

There is mounting evidence suggesting that ultra processed foods (UPF) are bad for our health; but if you stick to a vegetarian diet, is that still the case? Plant-Based Meat Alternatives (PBMA) are considered to be ultra-processed foods and may be associated with similar harms. In the first study of its kind, published in Food […]
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Scientists uncover new way viruses fight back against bacteria

Is fake meat good to eat? Processed plant-based meat alternatives linked to depression risk in vegetarians

There is mounting evidence suggesting that ultra processed foods (UPF) are bad for our health; but if you stick to a vegetarian diet, is that still the case? Plant-Based Meat Alternatives (PBMA) are considered to be ultra-processed foods and may be associated with similar harms. In the first study of its kind, published in Food […]
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SARS-CoV-2 specific adaptations in N protein inhibit NF-κB activation and alter pathogenesis

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and severe acute respiratory syndrome coronavirus (SARS-CoV) exhibit differences in their inflammatory responses and pulmonary damage, yet the specific mechanisms remain unclear. Here, we discovered that the SARS-CoV-2 nucleocapsid (N) protein inhibits the activation of the nuclear factor-κB (NF-κB) pathway and downstream signal transduction by impeding the assembly […]
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