Articles tagged with Plants
Researchers at Harvard University have developed color-changing photonic fibers inspired by nature, which can pass through a full rainbow of colors as they're stretched. The fibers' superior mechanical properties make them versatile for various applications, including smart sports textiles and sensors.
Climate change is projected to place the endemic Haleakalā silversword species at risk of extinction due to increasing water stress and lethal conditions. The plant's recovery from early threats has stalled, with annual population growth rates linked to precipitation patterns and warmer-drier climate trends.
Researchers have developed a technique to overcome inhibitory plant compounds, allowing PCR to successfully amplify DNA from problematic plants. The additive TBT-PAR, containing trehalose, bovine serum albumin, and polysorbate-20, enhances PCR for DNA extracted from various plant species, including tropical and temperate species.
Scientists have created a self-sterilizing composite material derived from Douglas fir needles that can coat medical implants and surgical devices to prevent microbial growth. The material uses silver nanoparticles generated from the plant extract, which acts as a natural chemical reducing agent.
In a recent discovery, botanists have identified three new species of cave-dwelling nettles in the Guangxi province of China. These plants thrive in extremely low light conditions, deep within limestone caves.
Researchers at the University of Alberta have developed tools to help barley crops use less water while maintaining productivity. The study, published in Theoretical and Applied Genetics, utilizes carbon isotope compositions to improve selection efficiency for water-efficient varieties.
A team of scientists has made a groundbreaking discovery about the role of brassinosteroid hormone in plant organ development, shedding light on how plants form their organs and boundaries. The research found that activation of the brassinosteroid pathway represses genes responsible for organ boundary formation, leading to fused organs.
A team of middle school students, led by a University of Arizona graduate student, conducted the first systematic study on leaf shrinkage when drying out. They found that leaves shrink about 20% on average, but variables such as species and structural investment determine the amount of shrinkage.
Researchers discovered that E. coli strains can form biofilms more readily on plant surfaces, using plant-derived sugars for survival. The findings provide insights into the evolution of E. coli populations and offer targets for preventing dangerous strains from contaminating vegetables.
Researchers have successfully developed a bio-oil gasifier that can efficiently break down plant cellulose, producing synthesis gas for transportation fuels and boiler fuel. The technology aims to move towards cellulosic biofuels, reducing dependence on corn grain.
Seedless watermelons are more profitable for farmers, but their flowers require fertilization from male flowers of seeded plants. Researchers have identified three pollenizer varieties that produce the most male flowers and resist fungal infection, helping farmers make informed decisions about crop management.
Some desert plant species adapt well to climate change, benefiting from fluctuating weather conditions. This is contrary to predictions by climate models, which forecast unfavorable effects on ecosystems. Researchers found that these plants have a unique physiology allowing them to thrive in arid regions.
Researchers at NEIKER and INRA found that BDA symptoms are a sign of esca disease, a complex disease affecting grapevine and woody plants. The study suggests that alternative treatments to sodium arsenite may be effective in controlling the disease.
Warming temperatures have rendered the new USDA Plant Hardiness Zone Map obsolete, shifting cold-weather zones northward. Dr. Nir Krakauer's analysis found that over one-third of the country has shifted half-zones and over one-fifth has shifted full zones, allowing for more frequent updates to gardening plans.
A new fungal species, Hebelomagriseopruinatum, has been officially classified as a novel species after discovery on Zealand in Denmark. The fungus has been found to coexist intimately with plants, similar to edible fungi like chantarelles and truffles.
Researchers have identified a key genetic mechanism in plant hormone signaling that helps plants balance between drought resistance and growth. The discovery may lead to new methods to help plants thrive in tough conditions and reduce crop losses from stress.
Scientists characterized a unique spring mechanism in cucumber plant tendrils, where they coil further upon pulling the ends, unlike traditional coils. The discovery led to the creation of a new type of twistless spring with high bending stiffness and twisting stiffness.
A recent study published in the Journal of Agricultural and Food Chemistry found that many popular 'microgreens' have more vitamins and healthful nutrients than their fully grown counterparts. The research analyzed 25 varieties of microgreens, revealing wide variations in nutrient levels among the plants tested.
Research demonstrates that plants trigger their defense mechanisms against freezing temperatures with shortening daylight, unlike trees which do it with waning sunlight. This understanding gives potential tools to fine-tune regulation and increase crop productivity.
Researchers are developing new prebiotic ingredients to support the growth of beneficial gut bacteria. Studies show that consuming more prebiotics can improve gut balance and lead to various health benefits, particularly for individuals with gastrointestinal diseases, Type-2 diabetes, and low-grade inflammation.
Two new species of rare forget-me-nots have been added to Flora of New Zealand, found in the mountains of the South Island. These uncommon species are Nationally Critical due to their low population numbers and habitat specificity.
Ontologies enable computers to transform information into knowledge by attaching meaning to data. This allows scientists to access and analyze large datasets more efficiently, facilitating breakthroughs in plant science and beyond.
A recent study found that soil microbes play a crucial role in helping plants survive the effects of global changes, such as increased CO2 concentrations and altered precipitation patterns. By interacting with microbes, plants can adapt to drought stress more quickly, allowing them to thrive in new environments.
A breakthrough in technology has enabled the removal of unwanted toxins from crops, making oilseed rape more suitable for animal feed. This innovation could significantly enhance the use of rapeseed meal and promote more sustainable farming practices.
New research from Carnegie's Zhiyong Wang laboratory identifies key aspects of the hormonal responses of plants to changes in light and heat. The study reveals a biochemical 'command system' that integrates multiple environmental and hormonal signals into growth regulation.
A new species of wirerush has been discovered in the peatlands of northern New Zealand. The species, Empodisma robustum, exhibits unique ecological adaptations that enable it to thrive in nutrient-poor environments. This discovery sheds light on the diversity and ecology of the genus Restionaceae.
Researchers analyzed leaves from herbarium specimens and found a 2mm decrease in leaf width over 127 years. This response highlights the impact of climate change on Australian plant species, with Narrow-leaf Hopbush exhibiting narrower leaves in warmer temperatures.
A study suggests that the evolution of fungi capable of breaking down lignin may have played a key role in ending coal deposits. The findings propose that this ability allowed for the complete breakdown of dead plant matter into carbon dioxide, releasing it into the atmosphere instead of accumulating as coal.
A team of researchers has made a groundbreaking discovery that could revolutionize the US tomato industry by introducing new varieties with improved flavor and quality. The study, published in Science, reveals two transcription factors responsible for the trait in wild and traditional tomatoes.
A University of Georgia study reveals that native clearweed plants have evolved resistance to invasive garlic mustard, and the invasive species is countering with its own chemical warfare. The study provides evidence of coevolution between native and invasive plant species, suggesting a potential for ecosystem equilibrium over time.
Researchers at Cornell University have decoded a gene that contributes to tomato sugar, carbohydrates, and carotenoid levels. The uniform ripening mutation, which commercial breeders select for, eliminates photosynthesis in fruit, reducing sugar levels.
A new analysis found that over two-thirds of recently approved pesticide active ingredients have roots in natural substances. Scientists have discovered that biological and natural products-based pesticides are a rich source of new active ingredients.
The Missouri Botanical Garden will support the development of a comprehensive online resource for plant species, improving access and analysis for scientists and conservationists. The $3 million gift from Monsanto Company will fund the garden's contributions to this international endeavor from 2012 to 2015.
Climate change is causing glacier lilies to bloom earlier than expected, disrupting the timing of broad-tailed hummingbirds' arrival, which depends on the flowers for nectar. The biologists predict that if current trends continue, hummingbirds will miss the first blooms entirely in two decades.
Researchers found that plant species reproducing sexually have stronger disease resistance due to increased adaptive evolution of the chitinase gene. This supports the theory that sex provides a genetic advantage in adapting to environmental changes.
Researchers are launching a nationwide effort to conserve crop wild relatives in the US, recognizing that these plants have value in adapting food systems to climate change. The plants' genetic material could be used to breed drought-resistant crops, making them essential for global agriculture.
A study published in Nature reveals the cellular secrets of plant fatty acid production, highlighting a key enzyme that can be engineered to increase oil content in crops. The findings have significant implications for food security, renewable energy, and biomedicine, potentially leading to higher-yield crops and new bio-renewable fuels.
Researchers have found a genetic mutation in Scandinavian barley varieties that disrupts the circadian clock, allowing them to flower earlier than southern counterparts. This adaptation enables crops to thrive in regions with short growing seasons, providing new tools for breeding and developing more resilient crops.
A new study published in Science magazine reveals that plant diversity is essential for maintaining productive ecosystems. The research found that each species plays a unique role in maintaining soil fertility and biomass production over time.
A new University of Minnesota study reveals that each species plays a crucial role in maintaining a productive ecosystem when considering long-term effects. The research found that increasing plant diversity led to gradual increases in both soil fertility and biomass production over a 14-year period.
Recent research suggests that plant-derived biofuels could meet 30% of the global demand for liquid transportation fuels without affecting food production. Scientists have identified non-edible plants as a promising area of research to produce biofuels sustainably.
A new study has found that experiments underestimate plant responses to climate change, with shifts in flowering and leafing timing being much greater than estimated. Long-term historical records show that many plant species have shifted their leafing and flowering earlier, in step with warming temperatures over recent decades.
A study of 50 plant studies across four continents found that experimentally induced shifts in plant timing are underestimated by at least fourfold compared to long-term records. Long-term historical records consistently show a 5-6 day advance per degree Celsius, with potential consequences for species diversity and ecosystem services.
A plant disease normally found in subarctic climates has been identified for the first time in the UK in buttercups as far south as Herefordshire. The fungus, Sclerotinia subarctica, affects both crops and wild plants, with severe effects on carrots but minimal impact on meadow buttercups.
A pan-European study reveals that mountain plants are shifting to higher altitudes, but also experiencing reduced species richness. Climate warming and drought stress are threatening alpine plant diversity worldwide.
A recent study found that plant species living in urban backyards are closer related to each other and live shorter than those in rural areas. The study, conducted by Jeannine Cavender-Bares and Sonja Knapp, analyzed the diversity of plant species in private yards in Minneapolis and compared it to nearby natural ecosystems.
Researchers at University of Nottingham use math to study gibberellin hormone affecting plant growth, identifying key interactions between feedback loops. This work aims to improve crop varieties and address global food security concerns.
Researchers at VIB discovered a new transport mechanism for auxin, allowing plants to direct their growth towards the light and absorb sunlight efficiently. This breakthrough could lead to more efficient crop growth and higher yields by regulating auxin levels in specific areas.
Researchers identified the genetic basis of a mutation in sunflowers that results in double-flowered varieties depicted by Van Gogh. The study found a single dominant gene responsible for creating the mutation, which disrupts the production of ray florets.
Researchers reveal a genetic mutation behind the distinctive double-flowered sunflowers depicted in Van Gogh's paintings, which has been hidden for over a century. The study identifies a disrupted gene responsible for creating the mutated trait.
Researchers have successfully diagnosed a new species of plant using DNA barcoding, a method that relies on short DNA sequences for identification. The study marks a significant shift towards English-language diagnoses, which will enable scientists to more easily share and verify findings.
Researchers at Michigan State University have developed a novel procedure to assess plant species diversity in an area by analyzing vegetation information collected by satellites over time. This allows resource managers to evaluate biodiversity without collecting regionwide field data.
A team of Australian scientists has bred salt tolerance into a variety of durum wheat, showing improved grain yield by 25% on salty soils. The research uses non-GM crop breeding techniques and introduces a salt-tolerant gene that works by excluding sodium from the leaves.
A 15-year study found that artificial wetlands can take up more carbon from the atmosphere than natural ones, but may release methane. Both types of wetlands removed large amounts of nitrogen and phosphorus from river water. The study suggests long-term ecological research is useful for determining human intervention's success.
Plant steroid hormones brassinosteroids play a crucial role in regulating the number and distribution of stomata on leaves. Research found that brassinosteroids inhibit the protein BIN2, allowing stomata formation when present and inhibiting it when absent.
A recent study by Mehmet Isleyen and colleagues found that grafted watermelon plants accumulate pesticide levels up to 140 times higher than non-grafted watermelons. The researchers advise commercial farmers to exercise caution when using this grafting practice to minimize exposure to pesticides.
A study by Purdue University researchers found that greenhouse bedding plant growers can increase profits by providing cuttings with sufficient light. The study showed that plants rooted faster and were of higher quality when exposed to more light.
A study by U of I associate professor Marty Williams found that increasing plant populations can affect crop growth and development, with varying effects among different hybrids. The average optimal plant population for maximizing yield differed by over 9,000 plants per acre among the six tested hybrids.
A new species, Solanum baretiae, has been named in honor of Jeanne Baret, a Frenchwoman who disguised herself as a man to work on a historic botany expedition. The species is endemic to southern Ecuador and northern Peru, reflecting Baret's adventurous spirit.
A molecular 'maturation clock' has been identified that regulates the number of branches in tomato plants, leading to increased flower and fruit production. Manipulating this clock could provide agricultural benefits by slowing down branching, resulting in more fruits.