The university's technique has improved the success rate of cattle cloning from one in 20 to one in seven, paving the way for efficient meat production. Cloning technology will allow farmers to reproduce desirable traits and improve genetics at a faster rate.
Researchers at UGA have developed a new cloning technique with a success rate of one in seven, significantly improving the efficiency of the process. The technology will allow for the reproduction of desirable traits and improved genetics, benefiting producers and consumers.
Researchers at Imperial College will examine the science behind stem cells and their potential for regenerative medicine, including treatments for various diseases. The symposium will feature world leaders in stem cell science, providing a comprehensive background to the field.
Researchers have successfully cloned a female adult cell and reset its developmental clock, resetting X-inactivation. The study provides the first molecular evidence for the egg's ability to reprogram an adult cell back to its embryonic state.
Researchers at ZymoGenetics have identified a novel Interleukin, IL-21, and its receptor, which play a crucial role in regulating the immune system. The discovery was made using an integrated genomics approach and has shown promising results in promoting the activation of immune cells.
Scientists have successfully cloned a piglet using microinjection, marking a significant step towards xenotransplantation and genetically modified organs. The breakthrough could lead to human-friendly pig organs, reducing rejection rates and increasing the success of organ transplants.
Researchers at TSRI have cloned the TOC1 gene, which regulates circadian rhythms in plants, providing insight into how plants adapt to daily environmental changes. The study's findings suggest that understanding plant internal clocks may also elucidate clock mechanisms in other species, including humans.
Australian fertility expert Professor Carl Wood discusses the controversies in Assisted Reproductive Technology (ART), including embryo cloning, IVF for cancer patients, and LGBTQ+ access to fertility treatments. He emphasizes the need for careful consideration of these issues, highlighting both advantages and drawbacks.
Scientists at Max Planck Institute discover novel potassium current activated by calcium, shaping neural signal frequency. SK channels play a crucial role in neuronal adaptation, influencing brain function and learning. The study resolves a long-standing controversy between electrophysiology and apamin-binding studies.
Researchers found that cow clones exhibit youthful telomeres, indicating a potential for increased lifespan, whereas normal cells age prematurely. This breakthrough erases doubts about cloning's utility by showing it doesn't rob cells of their normal lifespan.
Researchers at Advanced Cell Technology successfully reversed the aging process in cells, potentially leading to treatments for age-related diseases. The breakthrough involves using cloning technology to reset the cellular clock, allowing cells to divide indefinitely.
Researchers develop novel method of membrane fusion to transfer infertile woman's nucleus into donor egg, enabling nearly full genetic contribution. The technique could help women with embryo development failures due to cytoplasmic defects in their own eggs.
Scientists have successfully cloned calves from old cells, showing a return to a more youthful state and longer lifespan. The study's findings could lead to effective cloning methods in medicine and agriculture.
A genetic mutation in the tau gene has been identified as the cause of a 20-hour day in hamsters. The discovery reveals that the enzyme CK1ε plays a crucial role in regulating the circadian rhythm, and offers new opportunities for developing drugs to control the biological clock in humans.
A nerve protein known as the capsaicin receptor triggers pain signals when exposed to heat or noxious chemicals, contributing to pain from tissue injury and inflammation. Blocking this receptor may ease some kinds of pain, such as visceral pain conditions.
Researchers at Cornell University have identified and cloned a key gene in the reproductive system of male cockroaches, which could lead to the development of safe and effective birth control. The goal is to create a pesticide that specifically targets pests without harming other insects or humans.
Researchers at Johns Hopkins describe fundamental shape of telomerase molecule in mammals and other vertebrates, identifying four common areas highly involved with the enzyme's working. This new information may prompt approaches to inhibit the enzyme, which is active in cancer cells and contributes to their continuous cell division.
Researchers have successfully cloned mice using embryonic stem cells, achieving the highest efficiency to date. The new technology allows for modification of genetic material before cloning, improving understanding of cloning challenges and potential benefits in biomedical research and agriculture.
New research published in Gut journal found no evidence that measles virus is associated with Crohn's disease. The study isolated particles from the gut tissue of patients and compared them to healthy tissue samples, but found high levels of related cells in all types of samples.
The University of North Carolina at Chapel Hill has been selected as one of two Regional Mutant Mouse Resource Centers by the National Institutes of Health. This grant will enable the expansion of Jackson Laboratories' capabilities to characterize, maintain, and distribute mutant mouse models to the research community. The new center w...
The study found that a gene called Tcr, which is transmitted at up to 95% from male carriers to their progeny, encodes a protein kinase likely to control sperm motility. This allows for the manipulation of transmission ratios and potentially exclusive fathering of female offspring in farm animals.
The three-dimensional structure reveals that invasin is a rod-like protein resembling five tandemly arranged beads. Researchers now have a more specific target for developing antibacterial agents, as blocking binding to crucial regions of the invasin receptors should prevent bacterial entry into cells.
A potential vaccine against cocaine addiction has been developed by attaching a cocaine derivative to a larger protein, inducing the immune system to create specific antibodies that attack the molecule. The research team hopes to begin human clinical trials by the end of the year.
Researchers have constructed the first complete physical map of an M. grisea chromosome, providing a crucial step towards understanding and combating the devastating effects of the rice blast fungus on global food supplies.
Scientists map lung cancer gene Pas1 to mouse chromosome 6, shedding light on human lung cancers. The researchers also study the evolution of trichromatic vision in humans and primates, revealing gene duplication events that confer color vision abilities.
The first ever-established complete clone-based physical map of a plant genome is published for Arabidopsis thaliana. The map covers the entire nuclear genome and is assembled entirely on the basis of BAC clones, offering strongly increased resolution.
University of Hawaii scientists have made a breakthrough in cloning technology by creating the first male mouse clone, dubbed Fibro. The achievement uses somatic cells from adult male tails to produce a live offspring, showcasing that animals of either sex can be cloned and non-reproductive cells can be used.
University of Hawaii scientists have developed a new method for producing transgenic mammals by injecting DNA into eggs using mouse sperm. The technique, called Honolulu transgenesis, has shown success in producing green mice with a jellyfish 'green gene'.
Rockefeller University scientists Dr. Arnold J. Levine and Dr. Robert G. Roeder have been recognized by the General Motors Cancer Research Foundation for their groundbreaking work on cancer research and gene transcription. Their discoveries are paving the way for new diagnostics and therapies, with p53 abnormalities associated with ove...
A recent study has uncovered the role of a gene in regulating vitamin D levels, shedding light on the causes of rare forms of rickets. The research suggests that production of active vitamin D hormone by the kidneys is essential for normal bone health and growth in children, particularly those with kidney failure or aging.
Roy Curtiss III's patent covers a genetically engineered bacterial antigen delivery system that induces immune responses against foreign antigens. The technology is being used to develop recombinant vaccines for various pathogens, including Heliobacter pylori and Mycobacterium tuberculosis.
Researchers at Millennium Pharmaceuticals have cloned the mahogany gene, which produces a protein that can suppress diet-induced obesity in mice. The study found that mice with a mutated mg gene maintain a healthy weight on both high-fat and low-fat diets, suggesting a similar role in humans.
Researchers at Allelix Biopharmaceuticals Inc. have successfully cloned the GLP-2 receptor, which plays a crucial role in intestinal growth and nutrient absorption. The discovery provides valuable information on the specificity and action of GLP-2, a potential therapy for gastrointestinal disorders such as short bowel syndrome.
Researchers at Oregon Health Science University have uncovered a mechanism used by certain leukemia viruses to attach themselves to cell surfaces and sneak into cells. They've also developed a rapid cloning method for human genes encoding viral receptors, which could lead to new treatments for viral diseases.
Human neural stem cells have been cloned for the first time in a solid organ, validating decades of research on mouse cell biology. These cells hold potential for future therapies in conditions like Tay-Sachs disease and brain cancer.
Scientists have identified a gene that plays a crucial role in detecting bacterial infections, potentially leading to the prevention of endotoxic shock. The discovery may enable the creation of a test to screen for people with genetic defects and provide a new approach to preventing deadly infections.
Researchers have developed a new method to introduce genes into unfertilized oocytes, increasing the efficiency of producing transgenic cattle. This breakthrough could make traditional methods obsolete and pave the way for applications in agricultural livestock and other mammals.
Scientists found that apoptosis induces the processing of EMAP II precursor protein, releasing a biologically active form that recruits macrophages. This process is crucial for tissue remodelling and coordinating cell death during embryonic development.
Researchers at the University of Hawaii report breaking ground in mammalian cloning by creating reproducible clones from adult cells, with implications for pharmaceuticals and disease research. The 'Honolulu technique' has yielded three generations of identical cloned mice, opening doors to new avenues in genetic engineering.
The Virginia Tech Biotechnology Conference brings together experts to share knowledge on cutting-edge topics like gene therapy, mammalian cloning, and the impact of the Human Genome Project. The conference offers a range of workshops and lectures for high school and community college educators, as well as full-time students.
David Botstein, Ronald Davis, and Eric Lander were awarded the Chiron Corporation Biotechnology Research Award for their pioneering work on genetic linkage analysis using molecular markers. Their research laid the foundation for the Human Genome Project and enabled the construction of human genetic maps.
Researchers at Purdue University have identified a genetic link to the aggressive stinging behavior in Africanized honey bees. By mapping genes associated with aggression, they hope to develop markers for selective breeding of gentle bees, which could improve pollination and reduce threats to beekeepers.
Dr. Arthur L. Caplan argues that human cloning poses significant moral and ethical dilemmas, including the safety of the procedure, social implications, and emotional toll on clones. Despite advancements in technology, Caplan emphasizes the need to address these issues before pursuing human cloning.
Dr. Glenn McGee presents a regulatory model to ensure the welfare of cloned children, drawing from adoption and divorce laws. He highlights concerns about physical safety and potential damage to family relationships, emphasizing the need for checks and balances in cloning.
A study by Jim Hartz and Rick Chappell found a significant gulf between scientists and reporters, undermining science literacy among the general public. The researchers recommend improving communication between the two groups to ensure public support for basic research and its benefits.
Researchers at the University of Massachusetts have successfully created two healthy, genetically modified cloned calves using a combination of cloning techniques with genetic engineering. The calves, named Charlie and George, were born last week after four years of research by James Robl and Steven Stice.
Researchers successfully incorporated and reprogrammed genes from adult cells of various animal species into bovine eggs. The study's findings suggest a conserved molecular mechanism in mammals for embryonic reprogramming, enabling the use of cow eggs as a 'universal recipient' for genetic material from other species.
In 1997, scientists made significant discoveries in cloning, with the cloning of Dolly sparking debate on ethics and potential benefits. The year also saw major breakthroughs in Mars exploration, gamma ray bursts, and advances in genetic understanding, including the identification of clock genes and microbial genomes.
Researchers have identified a novel human gene responsible for the systemic autoimmune disease APECED. The discovery provides valuable insights into the mechanisms of destructive autoimmune responses and may hold significance for other autoimmune conditions like diabetes and rheumatoid arthritis.
Researchers successfully cloned a gene responsible for inherited deafness in a large extended family in Costa Rica, revealing insights into hearing mechanisms. The autosomal dominant gene DFNA1 causes progressive hearing loss between ages 6 and 20, with the mutation tracing back to a common ancestor in 1713.
Researchers have successfully cloned a key gene responsible for pea stem growth, which codes for an enzyme that converts gibberellic acid into the compound promoting stem elongation. This discovery sheds light on why some plants are tall and others short, illustrating fundamental principles of genetics.
Researchers have discovered a new class of proteins that may provide insights into all dystonia disorders. The DYT1 gene codes for torsinA protein, which is mutated in patients with early-onset torsion dystonia, disrupting communication among neurons responsible for movement and muscle control.
Sexual reproduction in brewer's yeast found to be better at removing harmful genetic mutations than single-sexed populations. This could explain why humans and other vertebrates evolved to have two parents instead of cloning themselves.
A novel mechanism has been initiated at UC Davis to pool university and industry resources, compensating nations for valuable genetic material. The Genetic Resources Recognition Fund will finance graduate fellowships for students from countries that originally provided the genetic material.
The new map reveals hot spots for genes and a large region where DNA remains intact across generations. It also identifies variations in chemical composition along the chromosome, shedding light on X's genetic code
UNESCO has issued a declaration stating that human cloning is unacceptable, citing ethical concerns and the preservation of humanity's infinite diversity. The organization's director-general has called for a world commission on ethics and science to tackle issues related to scientific developments beyond genetics.
Scientists have isolated and cloned the gene responsible for Fanconi anemia (FA), a rare disorder causing severe bone marrow failure, birth defects, and leukemia. The discovery enables the development of a quick diagnostic test for 65% of FA patients and may lead to better treatments, including gene therapy.
A study found that certain genetic variants next to the human obesity (OB) gene are associated with obesity in young women, as well as depression and anxiety. The results suggest a direct link between the OB gene variants and depression, rather than just secondary effects.
Researchers found a mutant gene in C. elegans that doubles adult lifespan when mutated, suggesting its role in regulating aging. The gene encodes a PI(3)K enzyme, which may trigger a biochemical program leading to decreased aging and senescence.
A University at Buffalo study finds that certain genetic variants near the human obesity gene are associated with obesity in young women, as well as depression and anxiety. The study also suggests that these genes may contribute to the development of behavioral disorders in young women.