麻豆传媒

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Nitrogen and potassium are fundamental nutrients for plant growth, but imbalances frequently disrupt agricultural systems. In apple orchards, low potassium can severely limit carbon and nitrogen metabolism, impairing photosynthesis and yield. Potassium availability is often reduced by environmental factors such as soil leaching, while nitrogen is frequently over-applied due to its affordability and yield-enhancing effects. Given these challenges, optimizing nitrogen and potassium levels in apple trees warrants further research to counter the negative impact of nutrient imbalances on plant health and productivity.

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Batteries in electric vehicles can fail quickly, sometimes catching fire without much warning. Sandia National Laboratories is working to detect these failures early and provide sufficient warning time to vehicle occupants.

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Taking antibiotics during an influenza infection can be harmful and increases the risk of developing a bacterial pneumonia while sick with the flu, according to new research led by Cedars-Sinai.

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A pivotal study has uncovered a genetic defense mechanism in lily plants against Botrytis cinerea, the fungus behind gray mold disease. Central to this defense is LlHSFA4, a transcription factor that, when activated, initiates a robust response against the pathogen. This discovery could transform strategies for protecting horticultural crops from severe fungal infections.

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Researchers from Uniformed Services University of the Health Sciences and Duke University have developed a promising vaccine offering strong protection against chlamydia. The study, published in npj Vaccines, shows that a whole-cell vaccine protected mice from infections, helping them clear the bacteria faster and with fewer infections, potentially reviving debates on chlamydia prevention.

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Zymo Research Corporation (Zymo Research), a leader in innovative life science solutions, announced today that it has filed claims in the United District Court for the Central District of California against Qiagen GmbH (Qiagen) alleging that Qiagen has engaged in antitrust violations and improperly interfered with Zymo Research's contractual relations.

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Pioneering research has pinpointed key vacuolar transporters in citrus fruits that regulate taste by balancing citric acid and sugar levels. This discovery illuminates the genetic pathways controlling flavor, laying the groundwork for cultivating citrus varieties with optimized sweetness and acidity鈥攁 promising development for both consumers and the agricultural sector.

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Coordinated power shutoffs could help control the wildfires spreading across New York and New Jersey, according to a Virginia Tech expert. These shutoffs could mitigate the risk posed by unseasonably dry conditions and challenging terrain, both of which have made containment efforts especially difficult, said Professor Ali Mehrizi-Sani, a Virginia Tech electrical engineering researcher.

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At six years old, Luke Bucciarelli (pronounced BOO-cha-relli) already knows he wants to be a surgeon when he grows up. But not just any surgeon 鈥� a thoracic surgeon; someone who operates on organs in the chest, including the lungs, esophagus, trachea and heart.

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Alfalfa, a globally significant forage crop, is now the focus of multi-omics database of M. sativa (MODMS), a pioneering multi-omics database aimed at accelerating genetic research and unlocking new insights into its agronomic potential. By integrating data from genomics, transcriptomics, proteomics, and metabolomics, MODMS provides researchers a robust platform to explore the crop鈥檚 complex biological systems and potential applications.

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As student absenteeism reaches record highs in schools across the United States, new research finds that student absences are linked to lower teacher job satisfaction, raising concerns that this may exacerbate growing teacher shortages.

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Urgent action is needed, to prevent pneumonia deaths among high-risk groups, particularly children younger than five years and older people, noted the American Thoracic Society and its Forum of International Respiratory Societies (FIRS) partners. New effective preventive interventions are available, but these are still inaccessible in many low- and middle-income countries (LMICs).

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A recent study reveals the critical role of sorbitol in driving age-dependent growth shifts in apple plants. Researchers have uncovered how sorbitol interacts with gibberellin signaling to transition growth from a rapid juvenile phase to a slower adult pattern. This discovery provides essential insights into the mechanisms controlling plant maturation and development.

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Case Western Reserve University has a new offer for the 25 to 30 students each year who are named finalists for the prestigious Hertz Fellowship but are not ultimately selected as Hertz Fellows: matriculate at CWRU and receive full financial benefits.

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Marina Konopleva, M.D., Ph.D., director of the Leukemia Program and co-director of the Blood Cancer Institute at the National Cancer Institute-designated Montefiore Einstein Comprehensive Cancer Center (MECCC), has joined forces with Break Through Cancer, a collaborative medical research foundation that supports teams of scientists as they advance treatments for some of the world鈥檚 deadliest cancers. Dr. Konopleva will play a pivotal role in the Eradicating Minimal Residual Disease (MRD) in Acute Myelogenous Leukemia (AML) TeamLab.

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Vitamin D supplements may lower blood pressure in older people with obesity and taking more than the Institutes of Medicine鈥檚 (IOM) recommended daily dose does not provide additional health benefits, according to new research published in the Journal of the Endocrine Society.

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The standard model for how galaxies formed in the early universe predicted that the James Webb Space Telescope (JWST) would see dim signals from small, primitive galaxies. But data are not confirming the popular hypothesis that invisible dark matter helped the earliest stars and galaxies clump together.