The global antibiotic resistance of Pseudomonas aeruginosa has decreased, with a significant drop in resistance to all tested antibiotics. However, a hypervirulent strain, ST235, has increased in prevalence, causing more aggressive infections and associated with high mortality rates.
A study in mice shows that exposure to pollutant mixtures increases health damage and suggests selenium can mitigate this effect by activating antioxidant defenses. Selenium was found to reduce molecular damage caused by the pollutants.
A University of Córdoba team developed an algorithm that predicts student performance in online education, dividing students into four categories and providing personalized assistance. The algorithm uses ordinal classification and fuzzy logic to make more accurate predictions than previous models.
A study by the University of Córdoba found that ground cover reduces erosion, runoff, and organic carbon loss in Mediterranean olive groves. The research showed a significant decrease in carbon loss of up to 76.4% compared to conventional tillage.
A study found that socio-economic factors, school type, and location greatly impact access to bilingual education in Andalusia. Public schools offer bilingual education to a much lesser extent than semi-private or private ones. The researchers propose reconfiguring areas of influence, changing admissions models, or encouraging low-inco...
A study discovered the remains of 9 different camelids in Cordoba, dating back to both the Roman and al-Andalus periods. The findings suggest that camelids were used primarily for transportation and had a significant impact on the city's fauna.
Researchers analyzed over 400 bone remains from a Spanish cave, finding marks compatible with a cleaning process for instrumental use. The study supports the idea that prehistoric societies used human bones in rituals and cultural practices, dating back to the Neolithic period.
A recent study by the University of Cordoba confirms that controlled burning has minimal short-term effects on soil properties, but can improve fertility and biological properties. Long-term assessments show that alterations are recovering pre-burn values.
A recent study by the University of Córdoba analyzed the genetic variability of spelt and common wheat varieties, revealing their diverse nutritional components. While spelt generally has higher concentrations of micronutrients like iron and zinc, it also contains more phytic acid, which reduces assimilation.
A new method using galaxy ellipticity and density has been developed to detect Baryon Acoustic Oscillations, allowing for more precise measurement of cosmological distances. This breakthrough opens new doors in astronomy, providing clues about the universe's history and composition.
Researchers at the University of Córdoba have designed a solar battery that can absorb light and store energy using a new material composed of 2D carbon nitride. This device combines optical simulations and photoelectrochemical experiments to achieve high performance, with potential applications in various fields.
A new study reveals that female rats utilize scent marks to convey information and coordinate behavior, particularly in terms of reproduction and social hierarchy. The research, led by Guadalupe Gómez Baena, demonstrates the complexity of female communication through scent marks and highlights the need for further study on this topic.
Researchers have made a groundbreaking discovery in the form of an oil amphora from the Roman region of Betica, featuring written text on its underside. The fragment, which corresponds to the seventh and eighth verses of Virgil's poem 'The Georgics', reveals insights into the poet's life and knowledge of the fertile Guadalquivir plain.
A team of researchers uncovered that the Neolithic Revolution in North Africa was a result of complex genetic and cultural exchange between European farmers and native hunter-gatherers. This discovery suggests that biological diversity played a key role in the success of Neolithization in the region.
Researchers found that Colletotrichum godetiae displaces C. nymphaeae in Petri dishes even with a spore quantity disadvantage. The study revealed that C. godetiae is more competitive and resistant to copper, but its dominance is not explained by classical ecological theory.
A study by University of Córdoba found that people coinfected with SARS-CoV-2 and cytomegalovirus are at increased risk of developing cardiovascular disease due to premature aging of their immune systems. This risk is higher in individuals who have been vaccinated against COVID-19.
Researchers at the University of Córdoba have identified the composition of a Roman perfume over 2,000 years old, with patchouli being the primary scent. The perfume was found in a vessel made of quartz and sealed with dolomite and bitumen, allowing for its preservation.
The FAO's AquaCrop model has been updated to simulate alfalfa yield with precision, offering valid predictions for different climates and zones. The new feature was developed by the University of Córdoba and IAS-CSIC, using data from Belgium, Turkey, and Canada.
Researchers at the University of Córdoba have developed a new strategy to control Fusarium oxysporum, a fungal infection affecting over 150 crops. By eliminating a specific gene, they found that the fungus becomes 'confused', receiving signals it has sufficient resources and thus loses its virulence.
A research group at the University of Cordoba has characterized a new transcription factor, FaMYB123, which regulates the production of anthocyanins responsible for strawberries' red color. The protein interacts with another factor, FabHLH3, to increase anthocyanin biosynthesis during ripening.
A study analyzing locust temperature and behavior found the best time to apply biopesticides is when they are young, around 20 days after hatching. This timing ensures optimal conditions for effectiveness, as locusts have lower body temperatures in this stage.
A new study by an international team has documented 35,000 years of recurrent visits to the Nerja Cave in Spain, dating back over 8,000 years. The research uses fossilized soot and charcoal from torches to reconstruct the history of human presence at the site.
Scientists at the University of Córdoba develop biodegradable materials from agricultural waste to clean air. The new material, with a three-dimensional structure, increases photocatalytic particles' exposure to light, resulting in enhanced air purification.
Researchers at the University of Córdoba discovered a non-pathogenic fungus strain that enhances iron response to deficiencies in cucumber plants. The FO12 strain stimulates iron acquisition and plant growth in calcareous soils, offering a sustainable alternative to environmentally harmful fertilizers.
Researchers at the University of Córdoba have developed natural-waste pads that absorb moisture and delay meat oxidation, favoring a more sustainable packaging option. The pads, made from chitosan, nanocellulose, and bay leaf essential oil, show promise in preserving fresh meat for up to 10 days.
A team of researchers from the University of Córdoba discovered that the entomopathogenic fungus Metarhiziumbrunneum increases iron acquisition in melon and cucumber plants. The fungus induces two main iron acquisition genes, making plants more efficient at absorbing iron from the soil.
Researchers at the University of Córdoba have shed light on how marine cyanobacteria, the most abundant photosynthetic organisms on Earth, take advantage of glucose as a source of energy. They found that glucose transport is greater during the day and follows a different circadian cycle than other bacteria in the same area.
Researchers developed an effective method to analyze the effect of olive root exudates on Verticillium wilt, a disease causing olive tree death. The study found that exudates from resistant varieties suppress the fungus's germination, while susceptible varieties stimulate its growth.
Researchers at the University of Córdoba found that silicon fertilization increases olive trees' tolerance to biotic and abiotic stresses. The ideal dose is 20 mg/liter, and application methods include foliar treatment and soil irrigation.
Marine cyanobacteria have developed smaller proteins to conserve nitrogen and survive in areas with low nutrient concentrations. They can detect and capture nitrate at nanomolar concentrations, allowing them to thrive in environments where others would struggle.
The European farming community supports multiple cropping systems and sustainable management practices to reduce environmental impact. Key strengths include minimal tillage, plant cover, and rotations, while barriers include limited training in intercropping and profitability concerns.
A study by IMIBIC and UCO found that brain-regulated microRNAs influence reproductive capacity in males and females. The researchers discovered that microRNAs are crucial for Kiss1 neurons, essential for proper pubertal activation and adult reproduction.
A new study found that perennial crops like thyme can significantly reduce greenhouse gas emissions and increase soil organic carbon in Mediterranean almond orchards. The introduction of thyme among almond trees led to a greater increase in total soil organic carbon, while also improving economic productivity.
A study analyzed the exposure to Hepatitis E Virus in Iberian lynxes, finding a higher risk of infection in captive animals compared to those in the wild. The study found seroprevalence rates of 33% in captive populations and 7% in free-ranging populations.
A study by the University of Córdoba finds that cognitive lock-ins create barriers to adopting sustainable farming practices among farmers. The research suggests that socio-technical settings and the focus on maximizing profit rather than environmental goals contribute to this phenomenon.
Researchers at the University of Córdoba found that intense feelings of social alienation and obsessive passion are linked to support for political violence. This study highlights the importance of understanding these psychological factors in preventing violent extremism, a pressing concern in today's world.
A new irrigation decision support system enables growers to practice more efficient irrigation by analyzing climate predictions, humidity sensors, and irrigation meters. This system allows for optimal watering schedules and reduces water consumption by up to 20% through controlled deficit irrigation strategies.
Research published in Forests journal reveals that thinning pine forests can increase carbon sequestration by optimizing forest growth and incorporating organic matter into the soil. This study, part of the Silvadapt project, found that higher-intensity thinning led to greater carbon storage in the forests.
Researchers analyzed the repetitive fraction in olive plant genomes, revealing key differences between closely related and distant species. The study sheds light on the evolution of the olive genus and highlights the role of the genome's repetitive fraction in understanding its origins.
A new study explores a novel magnesium battery compound with a cathode of Mg2MnO4, achieving an energy density of 335 Wh/kg and surpassing previous records. However, initial capacity loss in charging cycles is noted, highlighting the need for further research to recover lost capacity.
The study found that silencing cellulase enzymes increases the rate of infection but limits the pathogen's ability to spread, paving the way for new control methods. Fusarium oxysporum is a highly lethal fungus affecting over 100 crops, with its spores remaining in soil for up to 20 years.
The study found that intercropping with herbaceous crops, such as purslane and broad beans, increases nitrogen and organic carbon content in the soil, reducing erosion and run-off. Economically, intercropping can lead to increased production costs but also potential profits for farmers.
A study reveals the DJ1 protein's role in Parkinson's disease by demonstrating its link to aberrant cell cycle re-entry, which leads to neuronal death. This finding could pave the way for new therapeutic approaches that prevent neuronal death and combat symptoms.
A team of scientists found that two beneficial microorganisms (Aureobasidium pullulans and Bacillus amyloliquefaciens) and a copper phosphite fertilizer can reduce Verticillium Wilt in olive trees by up to 70%. The study suggests that these compounds induce resistance in plants through different metabolic pathways, offering a non-speci...
A new algorithm developed by researchers at the University of Córdoba uses Artificial Intelligence to predict crops' water needs with greater accuracy and precision. The algorithm requires fewer meteorological variables than traditional methods, making it a more efficient tool for managing water resources.
A study by the Diverfarming project found that long-term compost application improved soil bacterial community complexity and communication, increasing nitrogen fixing potential and reducing emissions. This highlights the importance of using compost in sustainable agriculture, which can reduce fertilizer and pesticide use and create mo...
Researchers compared mechanical aeration and biofiltration systems to minimize odorous compounds in sewage treatment plants. Biofilters with pruning waste and sludge compost showed efficacy, but lasting effects were variable depending on compound type.
A new analysis technique has simplified the process to detect contaminants like Bisphenol A, reducing analysis time from one hour to just over a minute. The technique uses environmental mass spectrometry and a green solvent called SUPRAS to extract bisphenols from samples with minimal pre-treatment.
A study found that Listeria monocytogenes survives better at lower storage temperatures in both cured and soft cheeses. The bacteria can thrive in these conditions, posing a risk to public health despite refrigeration.
Researchers evaluated 43 olive varieties over three seasons to determine the concentration and composition of phenols in pomace. The results show that olive variety is the main factor determining bioactive compounds, with different groups containing varying levels of oleuropein, ligustroside, and other compounds. This study offers a su...