ScienceDaily: Plants & Animals News |
| Revising the lifecycle of an important human parasite Posted: 19 Apr 2022 02:07 PM PDT Researchers have tracked Cryptosporidium in real time, creating a new paradigm for how the widespread parasite reproduces in a host. |
| Bioengineers visualize fat storage in fruit flies Posted: 19 Apr 2022 11:07 AM PDT A new visualization technique is being used to untangle often discussed, yet mysterious, links between diet and things like obesity, diabetes and aging. |
| Portable, point-of-care COVID-19 test discerns alpha variant from earlier strains Posted: 19 Apr 2022 10:09 AM PDT A point-of-care COVID-19 test developed by researchers can now detect and differentiate the alpha variant of the SARS-CoV-2 virus from earlier strains in saliva samples. |
| A new understanding of how the immune system deals with malaria Posted: 19 Apr 2022 08:25 AM PDT By analysing samples from patients who have been treated for malaria in Sweden, researchers can now describe how the immune system acts to protect the body after a malaria infection. The results provide knowledge that can aid in the development of more effective vaccines against the disease. |
| Sending out bacteria-carrying mosquitoes to protect people from dengue Posted: 19 Apr 2022 08:25 AM PDT Researchers developed a model to spatially distribute mosquitoes infected with Wolbachia bacteria, which reduce the transmission of the dengue virus. The researchers use real data on human and vector activity in a framework that can be analyzed from a mathematical point of view, allowing them to re-create and understand the epidemiological situation and identify those geographical areas with the greatest vulnerability, creating a ranking of areas that prioritizes those where Wolbachia-carrying mosquitoes can have the strongest and most beneficial impact on the spread of the virus. |
| Nanoparticles prove effective against the yellow fever mosquito Posted: 19 Apr 2022 07:32 AM PDT Before being accidentally introduced to the New World by the 16th century slave trade, the yellow fever mosquito was a species native only to Africa. Highly adaptable, it has since become an invasive species in North America, but researchers at may have found a way to squash the pesky population in its juvenile stages. |
| Genes can affect our nutrient tolerance Posted: 19 Apr 2022 07:32 AM PDT A new study finds that minor genetic differences can affect the ability to utilize the energy of various nutrients. This work shows how nutritional planning based on genetic data could promote the development of personalized nutrition for health. |
| Promising drug candidates for Crimean-Congo haemorrhagic fever identified Posted: 19 Apr 2022 07:32 AM PDT Researchers have identified key signalling pathways that when blocked by existing drug candidates limit reproduction of the Crimean-Congo haemorrhagic fever (CCHF) virus. The findings offer hope for patients affected by this potentially deadly disease. |
| When the rust settles: Uncovering the movements of coffee leaf rust disease Posted: 19 Apr 2022 07:32 AM PDT Researchers have found a high incidence of coffee leaf rust (CLR) disease in Vietnam, the world's second-largest coffee producer. Potential origins and migration routes were revealed, as well as a close genetic relationship with several Central and South American rust fungus populations. These findings will help to predict future spread of CLR, and highlight the need to consider seedling sources and human activities in CLR management. |
| Fruit snack or edible? Study finds some cannabis products look like popular snacks Posted: 19 Apr 2022 06:23 AM PDT Some cannabis edibles look remarkably like popular snack foods and may be easily confused for them, finds a new study. |
| The origins and ID of pancreatic endocrine cells Posted: 19 Apr 2022 06:23 AM PDT Scientists show that endocrine stem cells in the pancreas disappear after birth, and detail the genetic identity of the different types of pancreatic hormone-producing cells. |
| Posted: 18 Apr 2022 01:49 PM PDT Environmental scientists have published a series of significant recommendations to protect, conserve and study the world's coral reefs -- the 'canaries in the coal mine' of climate change. |
| Scientists resurrect ancient enzymes to improve photosynthesis Posted: 18 Apr 2022 01:49 PM PDT A new study describes a breakthrough in the quest to improve photosynthesis in certain crops, a step toward adapting plants to rapid climate changes and increasing yields to feed a projected 9 billion people by 2050. |
| Genetics affects functions of gut microbiome Posted: 18 Apr 2022 09:29 AM PDT Scientists are exploring how human genetics impacts functions of the gut microbiome, and are expanding awareness of the role human genetics plays in shaping the microbiome. |
| Recreational marijuana access reduces demand for prescription drugs Posted: 18 Apr 2022 09:29 AM PDT Legalization of recreational marijuana reduces demand for costly prescription drugs through state Medicaid programs, according to a new analysis. |
| Scientists record case of harmful bacteria in ubiquitous weed throughout US Posted: 18 Apr 2022 09:04 AM PDT Scientists have recorded the first North American case of a harmful phytoplasma disease known for its threat to fruit, vegetable and ornamental crops in South America and the Middle East. To make matters worse, scientists confirmed the host for the disease to be one of the most noxious and rapidly spreading weeds commonly found in a wide range of environments throughout the United States and into Canada. |
| Bacterial soundtracks revealed by graphene membrane Posted: 18 Apr 2022 09:04 AM PDT Have you ever wondered if bacteria make distinctive sounds? If we could listen to bacteria, we would be able to know whether they are alive or not. When bacteria are killed using an antibiotic, those sounds would stop -- unless of course the bacteria are resistant to the antibiotic. This is exactly what a team of researchers have now have managed to do: they captured low-level noise of a single bacterium using graphene. |
| A single allele deletion in gene encoding Zbtb38 leads to early embryonic death Posted: 18 Apr 2022 06:40 AM PDT Researchers have found that heterozygous loss of the methyl-CpG binding protein Zbtb38 downregulated the expression of the transcription factors Nanog and Sox2, as well as genes involved in epiblast proliferation, differentiation, and viability. This finding highlights the methyl-CpG binding protein's physiological significance throughout embryonic development. |
| Neural network model helps predict site-specific impacts of earthquakes Posted: 18 Apr 2022 06:40 AM PDT In disaster mitigation planning for future large earthquakes, seismic ground motion predictions are a crucial part of early warning systems. The way the ground moves depends on how the soil layers amplify the seismic waves (described in a mathematical site 'amplification factor'). However, geophysical explorations to understand soil conditions are costly, limiting characterization of site amplification factors to date. Using data on microtremors in Japan, a neural network model can estimate site-specific responses to earthquakes based on subsurface soil conditions. |
| Taylor Swift, the millipede: Scientists name a new species after the singer Posted: 18 Apr 2022 06:39 AM PDT Taylor Swift, an American singer known for her musical talents, has earned a new accolade. She now has a new species of millipede named after her. The new species of twisted-claw millipede was discovered in the mountains of Tennessee. Scientists described a total of 17 new species from the Appalachian Mountains. |
| Tumors partially destroyed with sound don't come back Posted: 18 Apr 2022 06:39 AM PDT Noninvasive sound technology breaks down liver tumors in rats, kills cancer cells and spurs the immune system to prevent further spread -- an advance that could lead to improved cancer outcomes in humans. |
| AF2Complex: Researchers leverage deep learning to predict physical interactions of protein complexes Posted: 18 Apr 2022 06:39 AM PDT Proteins are the molecular machinery that makes life possible, and researchers have long been interested in a key trait of protein function: their three-dimensional structure. A new study details a computational tool able to predict the structure protein complexes -- and lends new insights into the biomolecular mechanisms of their function. |
| With dwindling water supplies, the timing of rainfall matters Posted: 18 Apr 2022 05:56 AM PDT A new study shows it's not how much extra water you give your plants, but when you give it that counts. Researchers observed that in summer, plants grow more when given extra water, in addition to any natural rainfall. However, the same is not true in winter. |
| Unlocking complex workings of the biological clock Posted: 15 Apr 2022 01:37 PM PDT Scientists want to increase their understanding of circadian rhythms, those internal 24-hour biological clock cycles of sleeping and waking that occur in organisms, ranging from humans to plants to fungi to bacteria. Researchers have examined the complex workings of cyanobacteria and can now better comprehend what drives its circadian clock. |
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