A fungus, Moniliophthora perniciosa, causes witches' broom disease in cocoa trees by releasing cytokinin, altering plant hormone balance. The fungus then consumes lignin produced by the tree's vascular tissue after its death.
China's terrestrial carbon sequestration is expected to increase significantly over the next few decades, with estimates suggesting it can offset a substantial portion of the country's energy-related CO2 emissions. By 2060, China's terrestrial carbon sequestration could account for 13-18% of peak CO2 emissions.
Researchers from ANU increased CO2 channels in tobacco plants to enhance photosynthesis, but found no significant impact. The study used computer modeling to predict how changes would affect mesophyll conductance.
A global study found that Indigenous oyster fisheries were highly productive and sustainably managed, with evidence of harvests spanning hundreds to thousands of years. The research highlights the importance of restoring and managing estuaries and involves long-overdue Indigenous communities in decision-making.
The study found that cryptochromes are conserved across various green organisms, influencing cell structures responsible for photosynthesis. The researchers discovered that a specific cryptochrome can actually lead to increased growth despite appearing darker green due to denser packed cell membranes.
Researchers discovered that redwood trees have two functionally distinct leaves: one type specializes in converting sunlight into sugar through photosynthesis, while the other absorbs water. This adaptation allows the world's tallest trees to survive in a range of conditions, from wet forests to dry environments.
Silage maize yield and quality properties were studied across China, revealing the impact of management practices and climatic factors on yield and nutritive value. Optimal planting density, fertilization, and growth duration were identified as key controlling factors.
A new analysis by Smithsonian researchers categorized over 86,000 plant species as winners or losers according to their ability to survive in the age of humans. The study found that more than 20,000 plant species are at risk of extinction due to human activities, with many species deemed 'losers' rather than 'winners',
Researchers found that forest trees with a mix of both ectomycorrhiza and arbuscular mycorrhiza had the greatest tree diversity, contradicting previous beliefs. This discovery highlights the importance of considering the coexistence of different mycorrhizal strategies in promoting plant biodiversity.
Researchers discovered a bZIP23-PER1A module that regulates rice seed vigor, improving crop quality. They found two cultivars with huge phenotypic differences, Kasalath and Jigeng88, and identified a novel detoxification pathway to enhance seed vigor.
A special issue in Botany journal explores relationships among plants, people, science, and medicine, promoting decolonial approaches to ethnobotanical research. The collection highlights the healing potential of plants and emphasizes Indigenous-led projects on medicinally useful plants.
Researchers at TUM explore the use of living trees in architecture, using photogrammetry and skeleton extraction to design structures that adapt to tree growth. They demonstrate a pavilion with a roof structure optimized to follow the shape of supporting branches.
Researchers outline a roadmap to sequence plant genomes worldwide, aiming to decipher the secrets of plant DNA and advance understanding of ecosystems. The effort is part of the Earth BioGenome Project's 'moonshot' for biology, sequencing all eukaryotic biodiversity over ten years.
Researchers found that sunflowers with larger UV bullseyes retain water more efficiently in drier environments, suggesting a dual role for floral pigmentation in adaptation. The discovery may help increase crop yields and improve pollinator attraction.
New research reveals that gene exchange between viruses and their hosts plays a major role in shaping the tree of life. The study found that viruses acquire genes from their hosts to hone their infection process, while also co-opting useful viral genes from hosts.
Researchers found that local gravitational tides modulate the cyclical behavior of organisms, even in the absence of other rhythmic influences. The study questions the validity of free-run experiments and highlights the importance of considering gravitational oscillations in biological research.
Researchers found that species-rich forests produce more wood and are less affected by extreme weather conditions. The main reason for this stability is the diversity of functional characteristics among tree species, which helps counterbalance fluctuations in climate.
Researchers discovered that humidity-driven movement in spore-bearing leaves is the key mechanism behind the unique timing of spore dispersal in the sensitive fern. The study found that dead fronds open when dry and close when wet due to differential cell expansion, a process also observed in pine cones.
A new species of green microalgae was identified in a reservoir in northwest São Paulo, Brazil, and reclassified into the genus Nephrocytium. The discovery was made through phylogenetic analysis and molecular sequencing, confirming that the microalga is distinct from other known species.
A team of researchers from UC Riverside has discovered how a small molecule called auxin triggers the growth process in plants. By analyzing cell walls, they found that auxin lowers pH levels, causing cells to become acidic and soften, allowing them to expand and grow.
The study reveals that Arabidopsis carboxylesterase 15 (AtCXE15) and its orthologues efficiently hydrolyze plant hormone strigolactones (SLs), regulating shoot branching and plant architecture. This discovery provides a rational approach to manipulating endogenous SLs for crop improvement.
A study by Prof. MA Keping and colleagues found that older forests with high functional diversity achieve higher productivity than those with low diversity or specific high average traits. This reliable tool helps forest managers connect restoration actions to goals, essential for mitigating climate change and biodiversity loss.
A UNIGE team discovered that the endosperm's role extends beyond nutrition to influence seedling development, including cuticle formation. In its absence, seedlings fail to develop normally, highlighting the tissue's crucial protective function.
A new study explores maize diversity for fall armyworm resistance, revealing clear evidence of FAW resistance in diverse mechanisms across various landraces and crop wild relatives. The research calls for strategies to develop FAW-resistant maize varieties as a way forward to secure maize production and smallholder farmers' livelihoods.
A new onion species, Allium negianum, has been discovered in the western Himalayas, characterized by its unique growth habits and distribution. The species is currently under threat due to indiscriminate harvest for seasoning, highlighting the need for conservation efforts.
Researchers have identified a key component of plants' light response, allowing them to regulate gene expression and control stem growth. By reducing PIF protein activity, they can slow down stem growth and promote leaf and seed production, leading to increased crop yields and improved food supply.
Researchers have identified four molecular factors controlling the formation of suberin in plant roots, allowing for the development of more resistant plants. These modifications optimize nutrient acquisition while protecting against environmental stresses like salt and toxic elements.
Researchers aim to produce enough mRNA vaccines from spinach and lettuce to rival traditional shots. They're exploring chloroplasts as a key to making plant-based mRNA vaccines that can be stored at room temperature.
Researchers from Pusan National University have compiled a comprehensive review of ginsenosides, the main component of ginseng, which can prevent inflammation, diabetes, and cancer. The study provides insights into how to improve ginsenoside production through chemical and enzymatic treatments, as well as microbial action.
The study provides a high-quality genome sequence of Aristolochia fimbriata, shedding light on angiosperm evolution, floral development, and chemical biosynthesis. The researchers identified two overlooked whole-genome duplications in Piperales and clarified the time of previously reported WGDs in Magnoliales and Laurales.
A study by Stellenbosch University and conservationists reveals a high number of Cape Fur seals are entangled in fishing lines and nets annually, with most affected being pups and juveniles. The researchers found that disentanglement efforts have been successful, but the problem remains urgent, emphasizing the need for policy changes t...
Researchers found that many collectors are planting seeds in forests to conserve wild populations, but also using commercially acquired seeds from online purchases, threatening the plant's gene pool. The study aims to better understand ginseng forest farming and promote conservation efforts in Pennsylvania.
Researchers discovered a new carnivorous plant species on the West Coast of North America, Triantha occidentalis, which traps insects with sticky hairs on its flowering stem. The plant balances carnivory and pollination by only trapping small midges and not harming its pollinators.
Researchers have discovered a new carnivorous plant, Triantha occidentalis, that traps insects near its insect-pollinated flowers, avoiding the death of potential pollinators. The plant's sticky hairs only entrap small midges and insects, allowing larger bees and butterflies to act as pollinators.
Paleobotanists describe two new genera of ancient conifers based on beautifully preserved fossil seed cones from the Upper Cretaceous of Hokkaido, Japan. The discovery sheds light on the diversity and decline of cunninghamioid conifers during the Cretaceous period.
International collaboration has led to a new understanding of the evolutionary history of flowering plants, using a standardized set of genes. This allows for more efficient comparison of genetic sequences across multiple studies and enables researchers to piece together relationships among species.
A study on gymnosperm diversification reveals that gene duplications are linked to major pulses of phenotypic evolution. The researchers found that ecological opportunity and environmental heterogeneity drove a resurgence of gymnosperm diversification since the rise of angiosperms.
Researchers discovered a sophisticated deception mechanism in Aristolochia microstoma flowers, emitting foul scents similar to rotting arthropods. The deception attracts phorid flies for pollination, with the flies trapped inside before depositing pollen.
A new study published in Nature Ecology & Evolution reveals that root traits can explain plant species distributions across the planet, challenging the nature of ecological trade-offs. The research found that thick and dense roots are more common in warm climates, while thin and low-density roots are more common in cold climates.
A new study has identified the genetic root of bitter taste in greens like broccoli rabe and bok choy. The research team reconstructed an evolutionary tree from DNA sequences analysis of over 400 Brassica rapa varieties, revealing that Central Asian turnips were the most genetically diverse crops.
The researchers reported a reference sequence for the supernumerary B chromosome in maize, with key properties such as its origin and molecular mechanism remaining unclear. The study found that the current gene content is a result of continuous transfer from the A chromosomal complement over an extended evolutionary period.
Researchers at Penn State have identified a gene controlling flowering in cacao, which may accelerate breeding efforts for disease-resistant trees. The Flowering Locus T gene's similarity to Arabidopsis' florigen protein suggests it can be used to develop new varieties with improved yields and quality traits.
A team of scientists from China has sequenced the genome of Lavandula angustifolia to understand the genetics behind its distinctive fragrance. The study revealed that gene duplications and terpenoid diversification led to the evolution of unique compounds, with potential applications in stress relief, skin conditioning, and pollination.
PIF proteins play organ-specific roles in regulating cell division in apical hooks and cotyledons, but not in hypocotyls. Cytokinesis is involved in the apical hook opening, and PIF proteins directly bind to the promoter of BUB3.1, a key regulator of microtubule reorganization during cytokinesis.
Scientists have successfully identified the complete avenacin biosynthetic pathway in oats, which provides resistance to soil-borne diseases like take-all. This discovery has implications for creating disease-resistant lines of wheat using modern technologies.
UC Riverside researchers identified a gene, RCB, that enables plants to sense heat and respond accordingly. This discovery is crucial in developing heat-tolerant crops to address the impact of global warming on crop yields by one-third by 2050.
Researchers have found that pathogenic soil microbes impede seedling emergence and subsequent growth in the centre of spinifex rings. The study suggests that older parts of the plant succumb to a build-up of these microbes, while new seedlings establish at the outside edge of the rings.
A UC Riverside geneticist has won a $1.7 million grant to study how barley has adapted to survive thousands of years, with the goal of understanding its future survival in extreme weather conditions. The project will also train undergraduates in agricultural science and computational techniques.
Researchers developed a standardized drying protocol for goldenseal to preserve its medicinal properties. The study found that high temperatures decreased the levels of canadine, while berberine and hydrastine remained unaffected. This optimized drying process could lead to more predictable health outcomes and applications.
Higher temperatures can reduce photosynthesis efficiency and hinder plants' ability to regulate CO2 uptake and water loss. Plants with structural features that make them more or less susceptible to heat stress also influence how temperature affects crop yields.
A 47-million-year-old fly fossil found in Vienna revealed that flies played a significant role in ancient pollination. The fly's stomach contents showed pollen from various plant species, suggesting its importance in pollen dispersal and biotic interactions.
Researchers from the University of Helsinki have identified over 70 new species of jelly lichens in East African mountain forests. The study reveals that many previously thought to be single species are actually distinct entities with narrow ranges, significantly increasing the genus diversity of Leptogium.
Scientists at the University of Würzburg have successfully applied optogenetic methods in tobacco plants, enabling non-invasive manipulation of intact plants or selected cells by light. This breakthrough allows researchers to study molecular mechanisms of plant growth processes in detail.
Scientists at TU Dresden have discovered that the dried flowers of St. John's Wort can catalyze photochemical reactions, showcasing a promising green and sustainable method for chemical synthesis. The discovery utilizes the plant compound hypericin as an active compound in chemical reactions without prior chemical processing.
Researchers found that reindeer lichens have unexpected levels of genetic diversity, indicating more gene-mixing among individuals. This contradicts the long-held assumption that these organisms mainly reproduce asexually.
Researchers found significant variation in flag leaf ability to adjust to fluctuating light, with some varieties producing carbohydrates nearly twice as fast as others. This discovery could lead to improved water-use efficiency and more resilient crops.
A study found relatively high levels of clovamide in disease-resistant chocolate tree leaves, a potential contributor to resistance against black pod rot. The discovery could lead to novel breeding programs and streamline the breeding process using a 'marker-assisted selection' approach.
A newly discovered receptor in Arabidopsis thaliana has helped scientists understand the evolution of the GET pathway, a mechanism that enables membrane protein transport. The receptor's discovery provides crucial insights into the evolution of this pathway across organisms.
Researchers have developed a method to quickly screen crops by analyzing the light signal emitted during photosynthesis, known as Solar Induced Fluorescence (SIF). This signal provides critical insights into photosynthesis, which could lead to improving crop yields and feeding humanity.
Researchers found that grapevines from hot and dry regions have water-saving traits that conserve water and extend the growing season. These traits could help vines cope with climate change, but may also limit future photosynthesis and sugar production.