Embryonic development or embryogenesis is the process by which the embryo is formed and develops. It starts with the fertilization of the ovum, egg, which, after fertilization, is then called a zygote. The zygote undergoes rapid mitotic divisions, the formation of two exact genetic replicates of the original cell, with no significant growth (a process known as cleavage) and cellular differentiation, leading to development of an embryo.
An ancient gene is crucial for the development of the distinctive waist that divides the spider body plan in two, according to a study publishing August 29th in the open-access journal PLOS Biology by Emily Setton from the University of Wisconsin-Madison, US, and colleagues.
The National Institute of General Medical Sciences, a branch of the National Institutes of Health (NIH), has awarded Yubing Sun, associate professor of mechanical and industrial engineering at the University of Massachusetts Amherst, a $1.9 million Maximizing Investigators' Research Award to support the exploration of the fundamental principles behind the process that close gaps caused by injury or growth between cells.
The ability to turn experiences into memories allows us to learn from the past and use what we learned as a model to respond appropriately to new situations. For this reason, as the world around us changes, this memory model cannot simply be a fixed archive of the good old days.
In work conducted both at UC Santa Barbara and the Physics of Life Excellence Cluster of TU Dresden, biophysicist Otger Campàs and his research group have found that cell nuclei control the architecture and mechanics of eye and brain tissues during embryonic development.
The Prunus genus, encompassing apricots, peaches, plums, and mei, is vital due to its economic and nutritional value.
Genomes can now be entrusted to store information about a variety of transient biological events inside of living cells, as they happen, like a flight recorder collecting data from an aircraft.
The annual killifish lives in regions with extreme drought. A research group at the University of Basel now reports in "Science" that the early embryogenesis of killifish diverges from that of other species.
According to a recent study from the University of Lausanne, serious intellectual impairments can result from both an excess or a shortage of a single protein.
Cells divide quickly and migrate in a highly ordered way to form the skeleton, organs, and other vital systems as embryos develop from conception to delivery.
Researchers frequently tag cells with fluorescent proteins, which enable them to monitor tumor growth or quantify alterations in gene expression that transpire during cell differentiation.
New research from Hebrew University sheds light on the regulation of mRNA during the development of the embryo. The research separates newly-transcribed from pre-existing mRNA in zebrafish embryos using a combination of single-cell RNA-Seq and metabolic labeling.
A collaboration between research groups at the University of California, TU Dresden in Germany and Cedars-Sinai Guerin Children's in Los Angeles has identified a mechanism by which embryonic cells organize themselves to send signals to surrounding cells, telling them where to go and what to do.
A new study led by the University of California, Irvine has revealed a potential shift in our basic knowledge of the origins of birth defects, which affect about 3 percent of babies born in the United States each year.
If you're wondering who holds the title of domestic cat royalty, look no further than the stunning Bengal breed.
Researchers from the Max Planck Institute for Biology Tübingen made a groundbreaking discovery, revealing that an HMG-box gene in brown algae plays a crucial role in determining male sex.
Scientists at the Francis Crick Institute have provided insight into the proteins governing the development of mice's ovaries both prenatally and postnatally. This might help comprehend the progression of female infertility.
One of the immune system's primary roles is to detect and kill cells that have acquired cancerous mutations.
The first stem cell culture method that produces a full model of the early stages of the human central nervous system has been developed by a team of engineers and biologists at the University of Michigan, the Weizmann Institute of Science, and the University of Pennsylvania.
At about the size of a pinkie nail, the jellyfish species Cladonema can regenerate an amputated tentacle in two to three days -; but how? Regenerating functional tissue across species, including salamanders and insects, relies on the ability to form a blastema, a clump of undifferentiated cells that can repair damage and grow into the missing appendage.
Scientists from the National Institutes of Health have released a comprehensive guide to the development of zebrafish, outlining the gene expression patterns activated in almost every cell type during the initial five days of growth.
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