Ancient unicellular organism indicates embryonic development might have existed prior to animals' evolution
Later, animals—multicellular organisms—evolved, developing from a single egg cell to form complex beings. This embryonic ...
fox6now1mon
Which came first, the chicken or the egg? We may have an answer
Research suggests C. perkinsii demonstrates early forms of multicellular coordination, similar to animal embryo development. While not definitive, the findings offer insights into how animals may ...
PBS6y
Gene Switches
Altogether, multicellular organisms like humans ... on or off in different body regions and cell types. Later in an animal's development, epigenetic switches take over. These epigenetic mechanisms ...
Hosted on MSN1mon
Ancient Protist May Hold Clues to Evolution of Multicellular Life
Later, animals - multicellular organisms - evolved, developing from a single cell, the egg cell, to form complex beings. This embryonic development follows precise stages that are remarkably ...
Interesting Engineering on MSN2d
500-million-year-old Ecdysozoan fossil embryos found in China are older than dinosaurs
Scientists in China have just dug up 500-million-year-old embryos that will help us understand the developmental biology of ...
Scientists Can Now Recreate A Mouse Without Its DNA—Here’s How It Works
In a groundbreaking experiment, researchers have brought a mouse to life with the help of a single-celled organism that ...
Rare fossil embryos show early Ecdysozoa development in Cambrian era
An international research team has made a notable discovery of fossil embryos belonging to Ecdysozoa, a diverse group of ...
Nature3y
Volvox, Chlamydomonas, and the Evolution of Multicellularity
Scientists who study a family of green algae that includes unicellular Chlamydomonas and multicellular Volvox ... The unicellular ancestry of animal development. Developmental Cell 7, 313 ...
Techno-Science.net24d
Creating mice with a gene older than animals themselves: an unprecedented experiment
These organisms, 600 million years old ... In mammals, it occurs naturally in embryonic stem cells. These cells, present at the very beginning of development, can give rise to the various organs and ...
Simon Fraser University3y
Nicholas Harden, Professor
As cell shape change and cell movement are essential processes in the formation of a multicellular ... model organisms, including Drosophila. We have been characterizing the roles of Rho subfamily ...
The Washington Post1mon
Scientists just used genes from a microorganism and created a mouse
The team used these newly generated stem cells to help form a living, breathing mouse from a developing embryo ... certain what that first multicellular animal looked like. Choanoflagellates ...
Yahoo1mon
This Mouse Has Two Sets of DNA. One of Them Predates Animal Life.
The genes were injected during the mouse’s embryonic ... re single-celled organisms, but they have these genes, likely to control basic cellular processes that multicellular animals probably ...