Articles tagged with Land Plants
Researchers at the University of Wisconsin-Madison discovered that calcium waves can transmit information in plant cells, allowing them to respond quickly to environmental stressors. The team found that these waves are involved in processing information and sending rapid signals to help plants adapt to changing conditions.
The duckweed genome reveals its potential as a biofuel source, with the smallest known plant genome containing fewer than 20,000 protein-encoding genes. This reduced gene count leads to unique characteristics such as neoteny and arrested development.
A new RNA extraction protocol for land plants has been developed, allowing for the extraction of high-quality RNA from a wide variety of plant species and tissue types. This protocol will greatly facilitate RNA-based studies of non-model plant species and enable comparative analyses of transcriptomes across diverse lineages.
The study analyzed ASTER images of Tacloban before and after the typhoon, revealing widespread destruction. The storm surge caused mud-covered ground, bare trees, and destroyed buildings, with some areas showing no vegetation.
Researchers at Oxford University Press UK identified the tannosome organelle, responsible for producing complex chemicals used in plant defense and protection. This discovery sheds light on the synthesis of tannins, a key component in making tea and red wine taste their distinctive way.
Researchers have captured conclusive images of green alga consuming bacteria, providing evidence for a critical step in the evolution of photosynthetic algae and land plants. The discovery sheds light on an early evolutionary event that fundamentally changed the trajectory of plant and animal evolution.
In eastern Russia, fires are set to clear land for planting and renew pastures. Fire is used globally as a tool for managing resources, mitigating larger wildfires.
Researchers identified a gene that regulates plant life cycle transition, providing insights into complex diploid body evolution. This discovery could lead to the development of apomixis, a technique for producing high-yielding hybrid crops more easily and cheaply.
A new species of Amomum (Cardamom) has been discovered in the Western Ghats of Kerala, India. The plant is characterized by its distinctive ligules and small flowers, and is considered critically endangered due to conservation efforts.
A new species of liverwort, Frullania knightbridgei, is discovered in New Zealand and described using revolutionary electronic publishing rules. The publication accelerates scientific discovery and description of new plant species, crucial for understanding early land plant evolution and conserving biodiversity.
Researchers discovered that ancient plants like spikemosses had stomata that could open and close in response to light, carbon dioxide, and abscisic acid, a key plant hormone. This finding suggests that water-conserving innovations occurred early in plant evolution.
New research reveals that conjugating green algae, such as Spirogyra, are the closest living relatives to land plants, contrary to the previously accepted theory. The study analyzed genetic divergence in 129 genes from 40 different green plant taxa and found significant evidence supporting this new finding.
Laccase enzymes have been found to contribute significantly to lignification in Arabidopsis, playing a central role in the formation of this biopolymer. The study's findings suggest that genetic engineering of laccases could lead to improved saccharification and biofuel production.
Researchers found that increased carbon dioxide has led to a 34% decrease in stomata density, restricting water vapor release. A model predicts doubling CO2 will halve water loss by plants, altering the hydrological cycle.
New NASA research reveals a significant increase in plant consumption globally, driven by growing populations and economic development. The global demand for land-based materials has risen from 20% to 25% over the past decade, with per capita consumption increasing in some regions.
Scientists discovered a symbiotic relationship between ancient land plants and soil-dwelling fungi, enhancing photosynthetic carbon uptake and plant fitness. This collaboration, dating back nearly half a billion years, played a crucial role in the 'greening' of the Earth.
A new DNA barcoding technique has found that many garden ferns sold at nurseries are actually exotic species from other parts of the world. The technique identified three species of ferns as mistakenly labeled, with over 50% of collected plants being incorrectly identified.
Researchers from the University of Granada developed new farmland afforestation techniques that enhance young plant survival and development in Mediterranean environments. These techniques focus on relationships between land and plant to promote successful implementation of the EU's Common Agricultural Policy.
Nannoplankton extinction correlates with latitude, with higher rates in the Northern Hemisphere. Toxic metals from the asteroid impact likely delayed recovery due to impaired photosynthesis and reduced nannoplankton reproduction.
A team of researchers discovered evidence suggesting the Paleoasian Ocean closed at the end of the Permian period, about 251 million years ago. The study found mixed flora in Late Permian fossils, indicating plants from China and Siberia coexisted before the ocean disappeared.
A new algorithm, SERA, explores plant community dynamics and predicts changes due to environmental factors like climate change and invasive species. The model shows agreement with empirical data on trends in plant growth and development.
Two UBC researchers are part of an international team recommending standards for DNA barcoding of land plants. They selected two genomic regions as the best candidates for generating barcode data, with a near-unique signature for barcoding and high accuracy in identifying plant species.
Researchers at Yale University found that land plants stabilized atmospheric CO2 levels, preventing a deep frozen fate. This discovery supports the emerging view that plants should be recognized as a geologic force of nature, with important consequences for all life on Earth.
Fossils of land plants provide key insights into past climates, revealing that summer temperatures on land remained relatively warm during the Eocene/Oligocene transition, but with increasing seasonality. The researchers found that temperate climate trees such as spruces and hemlock replaced subtropical trees like palms and swamp cypress
The DOE JGI has released an enhanced version of Phytozome.net, a web portal providing access to over fourteen plant genomes, including eight sequenced at the JGI. This expansion bolsters comparative plant genomics data for biofuel and agriculture research.
A team of scientists has sequenced the genomes of two tiny marine algae, revealing unexpected genes with functions similar to those found in land plants and bacteria. The findings highlight the complexity of these organisms and their potential role in shaping marine food webs and carbon cycling.
Scientists have identified six gene regions suitable for automated plant species identification, promising to aid in biodiversity protection and pharmaceutical discovery. A large-scale test is underway to validate these regions against a vast number of plants.
Researchers have discovered lignin, a key component of wood, in marine algae, challenging the long-held assumption that it is unique to land plants. The finding provides a new perspective on the early evolution of support tissues and may affect how land plants are distinguished from aquatic algae.
The complete genome of Physcomitrella patens has been sequenced, providing insights into the conquest of land by plants. The research reveals unique gene products and metabolic pathways that enable mosses to protect themselves against stresses associated with living on land.
A study on Chlamydomonas reinhardtii, a tiny green alga, has found that it shares genes with both plants and animals, including humans. The research provides new insights into photosynthesis, flagellar movement, and human diseases related to ciliary dysfunction.
Land plants have evolved microscopic pores called stomata to conserve water and regulate CO2 uptake. The discovery of genes Speechless and Mute sheds light on this process, allowing for better understanding of plant growth and development.
A new study by University of Michigan researchers reveals that hornworts are the key to understanding the evolution of land plants, with their life cycle patterns providing clues to how they transitioned from water to land. The findings shed light on the origin and diversification of land-based ecosystems.
Researchers identified ancient charophyte algae fossils with complex evolution, including vertical and spiral structures. The study sheds light on the Paleozoic era's climate and provides a non-destructive method for investigating small fossils.
A study by ecologist Jeff Dukes calculates that 98 tons of plants per gallon are needed to produce modern fossil fuels. The research found that the amount of carbon in ancient plant matter required to form coal, oil, and gas is equivalent to all the plant growth on Earth over 13,300 years.
Scientists have discovered well-preserved fossil remains of early land plants on Bathurst Island in the Northwest Territories, which are 800 miles from the North Pole. These findings indicate that vascular plants were more complex and developed earlier than previously thought.
Researchers found that KNOX1 genes are expressed in all plants with complex leaves, such as tomatoes and ferns. The study revealed that some simple-leaved plants, like maize, have previously grown complex leaves but evolved to have simpler ones.
Researchers from Cornell University and the University of Arizona found that plant stem and leaf biomass are proportional to root biomass across various plant species. This discovery provides environmental researchers with clues to estimate global carbon sequestration in plants.
A new gene study reveals that early land plants and fungi evolved much earlier than thought, around 700-1300 million years ago. These organisms likely played a crucial role in changing the Earth's climate by increasing oxygen levels and decreasing carbon dioxide.
A new method suggests that trees and large plants led to an increase in atmospheric oxygen over 300 million years ago. This period saw higher concentrations of oxygen lasting for 100 million years, significantly higher than current levels of 21 percent.