The vast majority of vertebrate species living today, including humans, belong to the jawed vertebrate group. The development of articulating jaws during vertebrate evolution was one of the most significant evolutionary transitions ...
Evolution
Nov 25, 2022
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301
The maternal-to-zygotic transition, involving maternal mRNA clearance and zygotic genome activation (ZGA), is a conserved and fundamental process during vertebrate embryogenesis. During this critical developmental period, ...
Cell & Microbiology
Aug 11, 2022
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4
About 15 years ago, a group of researchers discovered mutant zebrafish. The eyes of these zebrafish did not develop correctly, resulting in significantly smaller eyes than those of wild zebrafish. Now, one of these researchers—Prof. ...
Cell & Microbiology
Aug 9, 2022
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68
Our family origins tend to shape our future in many ways. A Weizmann Institute of Science study, published today in Nature, found that the same holds true for blood vessels. The researchers discovered blood vessels forming ...
Cell & Microbiology
May 25, 2022
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117
Steroid estrogens play an important role as embryos develop a sense of smell, new research shows.
Cell & Microbiology
Jan 19, 2022
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6
Zebrafish—small, fast-growing creatures who share many of the same genes as humans—are instrumental to many biologists, who find them uniquely well suited for studying a wide range of questions, from how organisms develop ...
Biotechnology
Aug 19, 2021
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210
Scientists have made a pivotal breakthrough in understanding the way in which cells communicate with each other.
Cell & Microbiology
Apr 8, 2021
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49
When scientists at the Institute of Science and Technology (IST) Austria looked at developing zebrafish embryos, they observed an abrupt and dramatic change: Within just a few minutes, the solid-like embryonic tissue becomes ...
Cell & Microbiology
Mar 16, 2021
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13
To highlight tumors in the body for cancer diagnosis, doctors can use tiny optical probes (nanoprobes) that light up when they attach to tumors. These nanoprobes allow doctors to detect the location, shape and size of cancers ...
Bio & Medicine
Mar 11, 2021
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74
Mature egg cells and early embryos do not generate their own RNA molecules—instead, they rely on stored maternal RNAs to synthesize their proteins. As the embryo develops, some of these RNAs become superfluous and need ...
Plants & Animals
Mar 10, 2021
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16
