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Hermann Joseph Muller's Study of X-rays as a Mutagen, (1926-1927)
By: Kevin M. Gleason
| Published: Mar 07, 2017
Hermann Joseph Muller conducted three experiments in 1926 and 1927 that demonstrated that exposure to x-rays, a form of high-energy radiation, can…
X-raysRadiationGeneticsMutationDrosophila
Wolbachia
By: Karine Prevot
| Published: Jan 29, 2015
Bacteria of the genus Wolbachia are bacteria that live within the cells of their hosts. They infect a wide range of arthropods (insects, arachnids…
WolbachiaBacteriaHost-bacteria relationshipsHost-parasite relationshipsArthropods
Shoukhrat Mitalipov and Masahito Tachibana’s Mitochondrial Gene Replacement in Primate Offspring and Embryonic Stem Cells (2009)
By: Giselle Lee
| Published: Jan 10, 2018
Shoukhrat Mitalipov, Masahito Tachibana, and their team of researchers replaced the mitochondrial genes of primate embryonic stem cells via spindle…
monkeysrhesus macaqueSendai virusEmbryonic Stem CellsMitochondrial Diseases
Oliver Allison Ryder III (1946– )
By: Bailey Renee, Karen Love
| Published: Sep 14, 2017
Oliver Allison Ryder studied chromosomal evolution and endangered species in efforts for wildlife conservation and preservation at the San Diego Zoo…
San Diego ZooEscherichia coliPrzewalski's horseQuaggaBenirschke, Kurt
George Wells Beadle (1903-1989)
By: Divyash Chhetri
| Published: Mar 14, 2014
George Wells Beadle studied corn, fruit flies, and funguses in the US during the twentieth century. These studies helped Beadle earn the 1958 Nobel…
Beadle, George Wells, 1903-1989Genetics
Edmund Beecher Wilson (1856-1939)
By: Jane Maienschein
| Published: Aug 05, 2013
Edmund Beecher Wilson contributed to cell biology, the study of cells, in the US during the end of the nineteenth and the beginning of the twentieth…
EmbryologyCellsCytologyHeredityEvolution
Impact of Air Pollution on Reproductive Health” (1999), by Radim Srám
By: Ajeet Bains
| Published: Jun 30, 2020
In 1999, researcher Radim Srám, sometimes spelled Radim Šrám, published his article “Impact of Air Pollution on Reproductive Health” in the journal…
LiteratureEffect of air pollution onPollutantsPollutionAir--Pollution
Amniocentesis
By: Katherine Brind'Amour
| Published: Jun 04, 2008
Amniocentesis is a test used for prenatal diagnosis of inherited diseases, Rh incompatibility, neural tube defects, and lung maturity. Normally…
AmniocentesisReproductionFetus
The Notch Signaling Pathway in Embryogenesis
By: Justin Wolter
| Published: Mar 06, 2013
The Notch signaling pathway is a mechanism in animals by which adjacent cells communicate with each other, conveying spatial information and genetic…
EmbryologyDevelopmental BiologyEmbryosCell differentiationNotch genes
Kurt Benirschke (1924-)
By: Karen Love
| Published: Apr 26, 2016
Kurt Benirschke studied cells, placentas, and endangered species in Germany and the US during the twentieth century. Benirschke was professor at the…
Developmental BiologyGeneticsEndangered SpeciesGene librariesEmbryology