Articles tagged with Developmental Timing
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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New research from the Stowers Institute for Medical Research reveals planarian stem cells ignore their nearest neighbors and respond to signals further away in the body. This discovery may help explain the flatworm's extraordinary ability to regenerate and offer clues for developing new ways to replace or repair tissues in humans.
Developing fly embryos use different strategies to prevent 'tissue tectonic collision', a fundamental engineering problem during development. The cephalic furrow forms and disappears without leaving a trace, but its evolutionary significance was unclear until now.
Researchers from Kyoto University discovered that periodical cicadas use a four-year body weight threshold to decide when to emerge. The 16-year-old nymphs with red eyes and large body weights likely exceeded the critical threshold, indicating their decision to emerge.
Researchers found that the caterpillars' cycles interact with natural controls like viral disease, and they're highly adapted to their environment. Outbreaks can be predicted and damage controlled, but the exact timing is linked to specific factors.
Researchers have established apple snails as a system to study eye regeneration, which may hold the key for restoring vision due to damage and disease. The team discovered that the snail eye is anatomically similar to humans and can regrow itself, with genes such as pax6 playing a crucial role in development.
Researchers have discovered that ascidians measure time to adulthood by accumulating cyclic adenosine monophosphate (cAMP), ensuring a reliable timing of metamorphosis. The study's findings provide insights into time-measurement mechanisms in other organisms and may aid in aquaculture and marine biofouling control.
Research found that boys born to mothers with polycystic ovary syndrome (PCOS) or higher testosterone levels during pregnancy are less physically active at age 7. Girls exposed to similar levels of testosterone had lower muscle strength, highlighting the role of maternal testosterone and PCOS in future development.
Researchers identified a molecular mechanism that controls embryonic diapause in humans, allowing cells to temporarily slow down development. This dormant state is characterized by reduced cell division and slower development, and can be reversed when the mTOR pathway is reactivated.
In planarian flatworms, biogenic monoamines play a critical role in regulating female and male germ cells. Researchers discovered that these molecules form a novel signaling pathway controlling planarian germ cells, producing the 'BATT Signal' to regulate reproductive development. The study highlights the importance of monoamine conjug...
Researchers used supercomputers to study how fruit fly embryo cells develop into wings, offering a window into human development and possible treatments for birth defects. The team found that actomyosin drives much of the development process, particularly in the lower wing disc flattening.
A new study published in Stem Cell Reports has identified the key player in coordinating early mouse embryo development, revealing the importance of NKX1-2 protein. The protein ensures that genetic instructions are executed correctly and at the right times, managing cell machinery production and chromosome organization.
A study published in PLOS ONE found that earlier puberty onset is associated with higher adult cardiometabolic risk and mediates the effects of childhood risk factors. The research suggests targeting puberty onset may improve health outcomes in at-risk girls.
Researchers suggest a follow-up colonoscopy within defined periods after abnormal stool-based screening test results. The proposed measure aims to address low current performance rates and produce reliable results.
Researchers at the University of Konstanz developed an AI-powered method to objectively characterize embryonic development tempo and stages. The Twin Network trained on over 3 million zebrafish embryo images accurately identified developmental stages, temperature dependence, and malformations.
Researchers have made a breakthrough in studying species evolution by using robotic video microscopes and computer vision to measure embryo characteristics. The study found huge changes in an embryo's observable traits before and after developmental events, suggesting that measuring timings of development is just the tip of the iceberg.
A study by the University of Delaware found that structural stigma negatively impacts LGB individuals, leading to later coming-out ages and longer closet durations. The research used EU-LGBTI Survey II data from over 137,000 participants across 28 European countries.
A study of over 500,000 children found no significant difference in math and reading scores between those born between 39-40 weeks' gestation and 41 weeks' gestation. The results inform decisions on delivery timing at term birth and long-term cognitive development.
Researchers have made a groundbreaking discovery in the developmental biology of Parhyale hawaiensis, a tiny crustacean with unique appendages. By tracking the development of an embryo, they found that cells divide and reorient themselves to maintain alignment with the head-tail axis, resulting in a robust and coordinated body structure.
A new study finds that ocean warming can impact the growth, metabolic rate, and gene activity of newly hatched clownfish larvae. The researchers found that warmer temperatures led to faster growth rates, higher metabolic rates, and changes in gene expression.
Researchers at Columbia University discovered how neurons connect into functional brains in fruit flies, revealing crucial axon-axon interactions that enable sensory differentiation. These interactions determine the correct wiring of neurons, which is essential for the fly's ability to discern and respond to different types of stimuli.
Researchers have identified a molecular finger that switches on genes in one-cell embryos, revealing a potential link to cancer. The discovery sheds light on the mechanisms regulating embryonic development and may lead to new insights into cancer detection.
Researchers have discovered a new critical period for sex determination in sea turtle embryos, influenced by temperature fluctuations. The study reveals two peaks in temperature's impact on sex ratio during the thermosensitive period of development.
Researchers mapped young chickens' play development from hatching, finding 14 types of play that increased in intensity around 6-7 weeks old. Domestication didn't change play behavior, but tame chickens played more than their ancestors. Early stress surprisingly increased playful behavior.
Researchers discovered that genes in the fetal suprachiasmatic nuclei respond to rhythmic behavior in the mother before the biological clock starts ticking on its own. This finding may have implications for premature babies and highlights the importance of a healthy maternal circadian system during pregnancy.
Researchers found that human embryos express a vast variety of alternative mRNAs when they are just 8 cells old, leading to a temporary collapse of splicing regulation at the zygotic genome activation stage. This phenomenon is developmentally programmed and occurs because it is necessary for functional reasons, ultimately affecting DNA...
Tel Aviv University researchers develop innovative model that explains wave formation, tested in complex experiments. The model takes into account all unstable harmonics and limitations of previous models, providing high reliability for describing physical situation.
A study published in Ophthalmology identified the genetic spectrum behind foveal hypoplasia, a rare condition affecting vision development. The research combined data from over 900 cases across the globe and revealed relationships between genetic defects and the degree of arrested foveal development.
Researchers found that blocking an overactive signaling pathway during the first five weeks of life prevents autism symptoms from developing in mice. The study suggests that targeting this critical period could lead to a potential cure for autism.
The Dome of the Rock's marble slabs depict two birds, which break the symmetry of the southern wall and have remained unchanged for over 350 years. Sufi traditions and stories about Solomon and the birds demonstrate their influence on the shrine's conception.
A new technology, Sprocket, enables fast video processing by breaking down files into small pieces and processing them on thousands of servers. This reduces processing time to seconds, making it ideal for image searches within videos.
A research team led by CU Denver scientists has developed reliable genetic markers for the whitebark pine, a tree considered for endangered status. These markers will aid in disease resistance screening, strategic seed collection, and climate change mitigation efforts.
Researchers found that insects reared on contaminated diets or irrigated with antibiotics exhibit increased mortality rates and altered development times. This study has implications for integrated pest management and the use of reclaimed wastewater in agriculture.
A recent study published in Developmental Biology reveals that stem cells adhere strictly to their unique species' developmental clocks. The research paves the way for accelerated stem cell differentiation and faster cell growth, potentially solving various diseases such as Parkinson's, Multiple Sclerosis, and Alzheimer's.
Researchers at Lehigh University have developed an inexpensive and secure method to prevent mass credit card fraud using existing magnetic card readers. The SafePay system transforms disposable credit card information into electrical current and simulates a physical magnetic card, making it backward compatible with existing readers.
Research reveals that children's sense of having a body develops differently than adults', with an earlier reliance on visual cues. The study used the rubber-hand illusion to test age differences in body representation, finding that children respond more strongly to the illusion than adults.
A Wayne State University researcher has developed a mathematical model-based methodology to estimate the optimal amount of time spent developing a product, as well as its cost, in overlapped product development. The approach could reduce product definition time by up to 50% and improve critical thinking.
Ecologists have developed a Europe-wide online tool, iBatsID, that can accurately identify 34 different bat species across the continent. The tool uses echolocation calls to distinguish between species, with most accurate identifications reaching over 80% accuracy.
Researchers developed a quicker freeze-drying technique that reduces energy and processing time, resulting in freeze-dried salmon cubes with minimal moisture content. These cubes maintain color, rehydrate quickly, and have reduced shrinkage compared to traditional freeze-drying methods.
A computer model called Diag was developed to predict human behavior and learning in a circuit troubleshooting task. The model learned at the same rate as participants, replicating their strategy and solving problems accurately.
A new method developed by Murali Krishna and colleagues at the National Institutes of Health uses low-field paramagnetic resonance imaging to image tumors and surrounding organs in mice. This approach has shown promise for determining the best treatment approach for tumors and other diseases, as well as monitoring responses to treatment.