Researchers discovered that cacao plants store cadmium in calcium oxalate crystals in roots and branches, which helps detoxify the metal. However, this mechanism is less effective in leaves, and more cadmium is transferred to aerial parts.
A new study identifies conservation priority areas for vascular plants in Madagascar, highlighting uneven distribution of taxon richness and phylogenetic diversity. The researchers found that arid and semi-arid regions lack protected areas, presenting additional conservation challenges.
Researchers describe seven rare plant species with brightly colored flowers found only in highly threatened Andes Mountains forest ecosystems. The discovery highlights the urgency of protecting these high-altitude cloud forests, which are under threat from agriculture and livestock encroachment.
Researchers from Kobe University have discovered a new plant genus and species of Thismiaceae family, found primarily in southern Japan. The plant, named Relictithismia kimotsukiensis, feeds on fungal mycelia and is extremely rare, with only four individuals found in the same area.
A study found that glitter's metal coating reduces light penetration, impairing photosynthesis of Large-flowered waterweed Egeria densa and affecting aquatic plant growth. The experiment showed a significant decrease in photosynthesis rates with the presence of glitter, highlighting the need for sustainable alternatives.
Plant cells respond to blue light by forming biomolecular condensates in the cell nucleus, where transcription factors like FIT accumulate. These condensates may play a regulatory role in iron uptake, allowing for spatially and temporally flexible platforms for signalling.
A new study reveals that even small incremental increases in tree cover on agricultural land in mountain regions can provide significant climate change mitigation benefits within a decade. Agroforestry practices can help conserve irrecoverable carbon, improve biodiversity, and enhance ecosystem services in mountain systems.
Researchers found three oak species have become invasive along riverbanks and urban-wildland interfaces in Stellenbosch and Cape Town, threatening century-old oaks. The polyphagous shot hole borer disease is also affecting widespread species like English oak.
A study by Brazilian researchers reveals that bixin, a carotenoid pigment extracted from annatto tree seeds, is also present in other organs. Genetic analysis and modifications found increased production of the pigment in the adult phase and linked to stress-related hormone abscisic acid.
Researchers have discovered two new freshwater hyphomycete species, Acrogenospora alangii and Conioscypha yunnanensis, in southwestern China. These additions to the genera enhance the diversity of freshwater fungi known in the region, providing valuable insights into their ecological roles.
Researchers at UC Riverside have identified a crucial protein that controls plant responses to stress and aging. The discovery reveals the importance of Golgi bodies in maintaining cellular health and highlights their potential role in human aging.
Researchers identified a key chromatin modifier-centered pathway for grain size regulation in rice, showing that HHC4 and bZIP23 interact and enhance grain size. Phosphorylation of HHC4 by TGW3 triggers negative influences on the pathway, leading to increased rice yield.
Researchers reconstructed the most resolved phylogenetic framework of Agaricales based on amino acid sequences, clarifying relationships among suborders and genera. A new classification system was proposed with 10 suborders, including formal publication of two new suborders, one new genus, and six new species.
Researchers have identified over 700 plant genera named for women, representing a significant increase in the number of genera linked to women. The dataset provides valuable information on the contributions of women to botany and can be used by other researchers to build upon this work.
Researchers have discovered the oldest known fossils of the Frankincense and Myrrh family in Indian chert, dating back to the Cretaceous period. The fossils were preserved in pyrenes, which are woody dispersal pods that protect seeds from digestion.
Researchers at Oregon State University have sequenced the chia genome, identifying genes associated with improving nutrition and human health. The study found 29 genes involved in polyunsaturated fatty acid biosynthesis and 93 genes that aid gel-forming properties of chia seeds.
A recent study warns that children should be taught more about the importance of plants in promoting awareness of climate change and sustainability. The study argues that botany should be a greater focus of educational policy, with teachers receiving support and training to challenge their existing assumptions about plants.
A new study reveals that the protective effect of income has largely eroded in affluent neighborhoods over the past 40 years. This means that even if residents have more wealth, they won't be able to enjoy cooler temperatures as climate change worsens.
Researchers analyzed fossilized flowers and compared them to living species, finding that early angiosperms had a high level of morphological diversity despite having fewer species. The study suggests that floral organization was more flexible early in their evolutionary history, allowing for novel flower types to evolve more easily.
Researchers have identified a decaploid genome structure in the Nepenthes gracilis pitcher plant, revealing subgenome dominance that contributes to evolutionary innovation. Recessive subgenomes are enriched with novel genes, particularly those related to unique traits like dioecy and carnivory.
A new study published in Conservation Physiology identifies the critical limits of plant function under stress, enabling more effective conservation strategies. By understanding these limits, conservationists can identify vulnerable species and allocate resources more wisely.
Pre-contact agave species cultivated by early cultures like the Hohokam people continue to persist in Arizona's landscape. These domesticated agaves are distinct from their wild counterparts and offer a rare opportunity to study plant species unchanged since prehistory.
A team from the University of Illinois used solar-induced chlorophyll fluorescence (SIF) to measure the effects of elevated ozone on soybean plants, finding a 36% decrease in SIF during the late growing season. The study confirms that decreased SIF is a sign of stress and provides a non-invasive way to study photosynthesis.
The research aims to understand the molecular response of plants to environmental stress by investigating the connection between two independent biochemical signaling pathways, ethylene biosynthesis and autophagy. The findings could lead to the development of high-yield, pathogen-resistant, stress-tolerant plants.
Researchers at UMass Amherst have found evidence for evolutionary syndromes in wild tomatoes, which explain the development of their unique color, sweetness, acidity, and aroma. The study provides valuable insights into how fruits evolve in the wild and will be useful for breeding more nutritious and appealing varieties of fruits.
A new cell type has been discovered in plants that produces organ movements, leading to changes in mating and the transition from cross-pollination to self-pollination. The contractile cells are filled with reticular structures and play a crucial role in water sensitivity.
Researchers found evidence of separate domestication events for Asian rice in different areas, with wild rice species O. rufipogon and O. nivara contributing to the genetic pool. The study provides a new framework for understanding the evolutionary history of domesticated rice.
Researchers have discovered fossils of a group of spurges in Argentina that date back 52 million years, suggesting these plants migrated from South America to Asia and beyond. The findings provide the first direct fossil evidence of spurges in Gondwanan South America, contradicting previous assumptions about their Asian origins.
Scientists have deciphered the Arctic flora's evolution over time, discovering its roots date back to the Early Late Miocene. The study reveals a complex dispersal corridor between the Arctic and western North America, with both immigration and in situ speciation contributing to biodiversity.
Researchers at Boyce Thompson Institute discovered a unique tomato mutation that unlocks the potential for enhanced fruit quality and stress resistance. The mutation, called 'adpressa', shows major transcriptional and metabolic adjustments, including increased levels of soluble sugars and enhanced growth.
Scientists have identified a natural gene variant in barley that enables plants to flower up to 18 days earlier, allowing for improved adaptation to climate change. This discovery could lead to the development of climate-resilient barley varieties with stable yields.
A new machine learning algorithm analyzed high-resolution digital images of herbarium specimens, revealing that factors other than climate have a strong effect on leaf size within a plant species. The study also demonstrates how AI can be used to transform static specimen collections and quickly document climate change effects.
Research reveals that prescribed burns create favorable conditions for stinknet to spread, outcompeting native plants and reducing soil health. Targeted treatments after burns can help mitigate this issue.
A non-native midge species is significantly increasing rates of plant decomposition, resulting in three to five-fold increases in soil nitrate levels on Signy Island. The midge, Eretmoptera murphyi, is altering soil ecosystems and potentially 'opening the door' for other species to become established.
Research shows that arthropods in high-diversity forests contribute to improved productivity by suppressing herbivores, leading to increased tree species richness and multitrophic diversity. The study highlights the importance of conserving plant diversity to maintain arthropod diversity.
A team of scientists has discovered the oldest evidence of tylosis formation in a 360-million-year-old fossil from Ireland, providing insights into the evolution of plant defenses. The discovery sheds light on how early woody species protected their wood from pathogens and water loss.
The study reveals that the African penguin's geographical range has shrunk significantly over the past 22,000 years due to rising sea levels, leaving only a few small islands as suitable nesting habitats. This decline has been exacerbated by human pressures such as climate change, habitat destruction, and competition for food.
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.
Scientists at UC Riverside identify microRNA as a key player in plant temperature responses and growth, revealing its essential role in sensing environmental changes. The discovery has significant implications for increasing crop yields in diverse environments and adapting to climate change.
Researchers from Xi'an Jiaotong-Liverpool University identify vital differences between the plants, including pollinators and lifespan, confirming their classification. The study highlights the importance of recognizing every species for conservation programs.
Researchers have identified a gene network underlying rice grain size regulation, revealing a phosphorylation-driven auxin signaling pathway. The study found that OsTIR1–OsIAA10–OsARF4 plays a crucial role in controlling rice grain size and weight.
Scientists from the Institute of Botany discovered a widespread phenomenon called alcobiosis, where algae live inside fungal tissue and engage heavily in photosynthesis. The coexistence is common among corticioid basidiomycetes and is distinct from lichens.
A new study by Oxford University Press USA found that watching nature documentaries, such as BBC's Green Planet, increases public awareness of plants and their importance. The researchers measured online behavior and found a significant effect on viewers' interest in portrayed plant species.
The EEB Language Project aims to revise harmful terminology in ecology and evolution, promoting inclusivity and precision. The project provides a repository of words with suggested alternatives, allowing community members to submit their suggestions and engage in dialogue.
A study in a subtropical forest found that arbuscular mycorrhizae (AM) trees outperform ectomycorrhizal (EcM) trees in high-diversity ecosystems due to more efficient nutrient-acquisition strategies. In contrast, EcM tree monocultures had reduced net primary production and were dominated by pathogenic fungi.
A new species record of mesophotic kelp was discovered in the Galapagos Islands, characterized by its extensive and dense kelp forest at depths of ~50m. The research highlights the importance of these forests as ecosystem engineers and supports for marine life, with potential implications for carbon sequestration.
A new UC Riverside-led study reveals that drought-tolerant trees in urban areas use significantly more water than their natural counterparts. The research found that even 'drought-tolerant' species like eucalyptus and ficus increase their water intake when irrigated.
A recent study has revealed a novel cold domesticated repair mechanism for DNA damage in rice, providing elite modules for improving chilling tolerance. The discovery of GCG codon repeats in the first exon of COLD11, a DNA repair protein, has opened the way for fine regulation of rice chilling tolerance with a single site.
Scientists have decoded the signals plants send themselves to initiate photosynthesis, a process turning sunlight into sugars. The newly identified proteins control communication between plant cells and organelles, potentially leading to breakthroughs in cancer research and improving crop yields.
Research at the University of British Columbia found that intensive agriculture has driven rapid evolutionary change in waterhemp, a North American native plant, turning it into a problematic weed. The study compared genetic samples from modern farms and historical specimens to track evolution over two centuries.
Researchers discovered a new ancient branch of life, Provora, comprising microbial predators that nibble prey to death. These microbes, called nibblerids and nebulids, were found in marine habitats globally and differ by 170-180 nucleotides from all other living things.
Researchers at Stockholm University discovered that plants use different combinations of LACCASEs to create specific lignin chemistries, allowing them to resist climate challenges. This adaptation enables plants to grow tall and survive extreme weather conditions.
Researchers identified six key determinants of establishment success and proposed a general quantitative framework for post-LDD establishment. The framework aims to provide a theoretical basis for studying colonization after LDD and assessing species invasion risk.
A four-year experiment combined with a 40-year observation in Inner Mongolia found that previous-year extreme droughts can create strong positive legacies for current-year community productivity. The mechanism driving this effect is the coupled increase of annuals and an early less, middle more precipitation pattern.
Researchers found that SEUSS condensates rapidly form upon hyperosmotic stress, enabling Arabidopsis to tolerate salt and drought. Loss of SEU dramatically compromises stress-tolerance gene expression.
Researchers have found that plants maintain drought-resistant vascular arrangements by restricting tissue width, revealing a long-standing riddle in botany. The discovery provides insights into how plants evolved to colonize dry land and has potential applications in securing drought resistance in crop breeding programs.
A study on Sordaria macrospora reveals a defect in the mitochondrial respiratory chain renders the fungus sterile, preventing it from forming mature fruiting bodies and sexual spores.
A new study found that a rare Wyoming sagebrush species, Laramie chickensage, is primarily pollinated by bees. The research, led by University of Wyoming graduate student Madison Crawford, shows that 61% of viable seeds produced by the plants were from insect pollination.
Researchers compare fossilized leaves with modern plant material, finding marked increases in insect damage to plants; human activity, including climate change and urbanization, are suspected causes.
A new species of iris has been discovered in the Langeberg Mountains of South Africa, known as Geissorhiza seracina. The plant boasts a unique deep cherry-pink color and is one of the first new Iridaceae species to be found in over a decade.