A new special issue of Applications in Plant Sciences explores techniques for studying gametophytes, essential for understanding biodiversity and conservation. The study reveals the complexity of gametophyte biology, including their limited size and invisibility in some plants.
The Planting Science program, a partnership between students, teachers, and scientists, improves high school students' science knowledge and attitude towards scientists. The study found that students who participated in the program scored 11 percentile points higher on assessments than those who did not.
A new study published in Applications in Plant Sciences highlights the negative effects of clearcutting on mycorrhizal fungi, showing less diversity in formerly deforested areas. High-throughput sequencing reveals over 300 distinct fungal lineages in soil and root samples, shedding light on ecosystem health.
Researchers developed a cost-effective protocol for plant sample preparation and visualization, eliminating the need for stains and dyes. The new method harnesses the natural autofluorescence of tissues in plants, allowing for rapid visualization of plant anatomy across diverse taxa.
Researchers sequenced DNA from plant specimens collected nearly 50 years ago to analyze genetic diversity and its response to climate change. The study found that several species restricted to the Guadalupe Mountains had surprisingly high amounts of genetic diversity, which could help them adapt to changing conditions.
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.
The project digitized over three million specimens collected by botanists and naturalists across the southeastern US over 200 years. The resulting database is now freely accessible online, providing valuable insights into ecosystems, species distribution, and the effects of climate change.
A new study evaluated eight miRNA applications to simplify the process of discovery and characterization. Two programs, sRNAbench and miRExpress, stood out for their high sensitivity and low run times, making them suitable for use in plants with varying genome sizes.
Researchers have developed a QR code-based digitization workflow to streamline specimen collection, reduce errors, and make data more accessible. The workflow uses unique object identifiers, citizen science platforms, and QR codes to automate data entry and analysis, allowing for the creation of large-scale phylogenetic studies.
A new probe set has been developed to reconstruct the 470-million-year history of flagellate land plants, including ferns and lycophytes. The probes target variable loci in nuclear DNA, providing a unique perspective on plant evolution and resolving deep phylogenetic relationships.
A low-cost drone-based photogrammetry method has been developed to estimate plant biomass, explaining up to 47% of biomass variation in multispecies plots. The method uses aerial images and simple RGB cameras, making it a promising alternative to expensive LiDAR technology.
SSRgenotyper is a free bioinformatic tool that digitally genotypes sequenced populations using simple sequence repeats. The tool reduces the time and work required for genotype analysis and solves the transferability problem inherent in electrophoresis estimates.
Researchers explore using CRISPR in nongenetic model plants, overcoming technical obstacles with adapted transformation systems. Polyploidy studies reveal the biological underpinnings of genetic consequences.
Researchers from diverse fields collaborate to understand plant-environment interactions, bridging paleoecology, physiology, ecology, genetics, and more. Key findings reveal how plants leverage their genomes to adapt to abiotic stressors and interact with microbes.
A recent study by Dr. Mark Chapman optimizes protocols for identifying simple sequence repeats (SSRs) in genomic and transcriptomic data, increasing efficiency in microsatellite discovery. The research found that small assemblies of two million read pairs can generate sufficient markers for basic population genetic studies.
The MASS software program automates geometric morphometric analyses on leaf shape, reducing errors and making it more accessible to novice researchers. By utilizing digitized herbarium specimens, researchers can now analyze larger groups of data and explore new research questions.
A new Hyb-Seq probe set has been validated for its effectiveness in reconstructing relationships among species within the diverse Asteraceae family. The study's findings highlight the importance of carefully selecting genes to sequence and optimizing data analysis pipelines to improve phylogenetic outcomes.
Researchers developed an affordable, open-source monitoring system called GMpi using Raspberry Pi computers. The system allows flexible and secure remote monitoring of plant growth facilities, ensuring reproducibility and peace of mind.
Researchers have developed a new quantitative measure of phenological status called the 'phenological index' to improve scoring of developmental stage in herbarium specimens. This approach allows for more accurate predictions of ecosystem responses to climate change.
Researchers introduce RadialPheno, a new tool to visualize phenocam-collected phenology data, providing meaningful insights into plant developmental events. The tool uses radial representation to identify recurrent events and integrates with common statistical methods, making it a valuable resource for phenology experts.
A new DNA sequencing protocol enables the efficient capture and sequencing of long fragments of plastome DNA, revolutionizing plant biodiversity research. This breakthrough protocol improves genome assembly and facilitates phylogenetic analyses of non-model plant species.
Current research in belowground botany is advancing our understanding of plant root systems, their structure, and function. New technologies like digital imaging of root traits are enabling scientists to study root systems more effectively.
This special issue of Applications in Plant Sciences presents cutting-edge methods to study plant phenology, including automated scoring from herbaria collections and standardized ontology for data integration. These innovations enable large-scale datasets to be generated, addressing the urgent need to understand ecosystem responses to...
Researchers developed a new technique to measure plant biochemical responses using small tissue samples, reducing the need for large sample sizes and increasing experimental efficiency. This approach allows for more nuanced and high-resolution understanding of plant defense mechanisms.
Researchers used next-generation sequencing to identify additional DNA markers in the carob tree, increasing resolution for population genetics studies. This approach shows promise for analyzing species with limited genetic diversity, including those that underwent strong bottlenecks.
Astronauts may have access to fresh salads in space, but the microgravity environment affects plant growth. Researchers compared two transcriptomic approaches to understand how plants adapt, finding that RNA-Seq and microarray chips have relative advantages.
Researchers developed a cost-effective method to monitor indoor crop health using SI-NDVI imaging, detecting stress signatures before visible signs appear. This technique has potential applications in space-based farming and can be used by indoor farmers to catch problems quickly.
Researchers have developed a new technique to accurately isolate phloem cells using fluorescent microscopy and organelle-specific dyes. This method can be applied across various species to understand phloem diseases such as citrus greening, cucurbit yellow vine disease, and corn stunt disease.
Researchers created high-quality 3D digital representations of plant structures to answer questions about taxonomic classification, wind pollination, and seed production. The technique has the potential to revolutionize botany education and inform macroevolutionary studies, highlighting the beauty of grass flowers.
A recent study demonstrates the feasibility of producing high-quality DNA sequence data at a laboratory in Indonesia. The research shows that molecular techniques like DNA extraction and PCR can be done using relatively simple methods and inexpensive reagents.
A recent study using eDNA sequencing identified aquatic plant diversity in ponds, offering a new approach to ecological surveys. The study found that pondweed diversity had been underestimated at a reserve in Ontario, detecting three previously unknown species.
New sequencing technologies and image analysis techniques enable novel solutions to phylogenetics challenges, providing insights into plant genomes and evolution. The special issue highlights cutting-edge approaches for exploring the plant family tree.
The digitization of botanical collections data is revolutionizing the field of botany, making valuable information accessible for computational analysis. Methods and challenges for extracting data from specimens have been discussed, as well as applications for collections data once digitized.
A new study by Dr. Maria Kuzmina provides a vast DNA barcode library for the Canadian flora, covering 98% of vascular plant species, using herbarium specimens. The scale of sampling and quality of curation lend the library taxonomic authority, offering a valuable resource for modern plant sciences.
Researchers developed a new tool to sequence chloroplast DNA from hundreds of plants at once, allowing for accurate tracking of seed dispersal across landscapes. This method has significantly reduced the costs of genetic studies, enabling biologists to investigate plant populations and their movements.
Researchers develop new data mining technique to extract genetic information from large sequence data sets. The method, tested on a plant family with unique floral structures, retrieves useful sequences from genes influencing flower shape and symmetry.
Researchers have developed a new method to detect and identify the many species involved in these ecologically vital communities, revealing one of the highest levels of species richness recorded to date. The study found that the arbuscular mycorrhizal fungal communities were dominated by a small number of very common fungi.
Researchers investigate the effects of climate change on plant-pollinator interactions, exploring new techniques for measuring floral cues, rewards, and pollinator behavior. Studies reveal diverse tactics being used to deepen understanding of these complex relationships in a changing environment.
Researchers developed a method to identify imported wood using its chemical fingerprint, distinguishing between two separate populations of Douglas-fir trees with high accuracy. The technique has the potential to help law enforcement tackle illegal logging by accurately tracing the origin of wood samples.
A new database of genetic information, developed by researchers at Emory University, has improved the accuracy of plant identification using DNA sequencing technologies. The new library uses the rbcL gene, a popular barcode in plants, to identify species from tiny amounts of material, enabling faster and more accurate analysis.
Brown University researchers demonstrate the efficacy of using herbaceous plant specimens from the late 19th century to track changes in heavy metal concentrations over time. Despite challenges, including mercury contamination, they show significant reductions in lead concentrations and highlight broader trends in heavy metal accumulat...
A team of researchers developed a non-invasive method to detect and quantify wood decay in living trees, which can help understand global carbon pools and tree health. The sonic tomography technology uses sound waves to image the trunk, allowing for the creation of color-coded images of decaying wood.
Researchers have developed a cheap and quick method to measure root biomass in soil-grown woody plants using electrical capacitance. This technique allows for rapid selection of individuals with optimal traits for breeding, enabling more efficient production of the important biofuel crop shrub willow.
HybPiper is a streamlined pipeline for processing target-enrichment data, extracting coding and intronic regions, and detecting duplicate gene copies. The tool allows researchers to quickly analyze large amounts of DNA sequencing data, facilitating accurate species relationships.
Researchers developed a resource of over 5 million microsatellites for use in various plant species, making genetic research cheaper and easier. The study also provides guidelines for researchers using microsatellites.
Researchers can now gather broad-scale ecological data using micro-unmanned aerial vehicles (UAVs), or drones, eliminating traditional pitfalls. Drones amass vegetation data for monitoring habitat restoration efforts, rare plant populations, and agriculture, providing large amounts of information with minimal effort.
Recent studies on plant polyploidy have shed light on its significance in shaping plant diversity and ecology. The special issue in American Journal of Botany highlights the latest developments and research in the field, including the origins of polyploidy, evolutionary consequences, and impacts on plant ecology.
Researchers used multiplexed shotgun genotyping to uncover species relationships within the North American genus Penstemon. The study confirms ancestral hymenoptera pollination and independent transitions to hummingbird pollination, revealing floral diversity and adaptations.
Researchers developed a method to study cellular response by capturing individual cells in microscopic gel beads, allowing for manipulation of the external environment and observation of regenerative ability. This tool promises to shed light on single cell biomechanics and unravel the nuances of micromechanics within plant cells.
Research reveals that giant sequoia leaves respond to environmental conditions, with upper crown leaves having more fibers and transfusion tissue. These traits enable the trees to store more carbon and water, promoting growth and resilience in drought conditions.