Francesco Redi, an Italian physician, proved as early as 1668 that higher forms of life did not originate spontaneously, but proponents of abiogenesis claimed that this did not apply to microbes and continued to hold that these could arise spontaneously.
The biogenesis of iron sulfur clusters has been studied most extensively in the bacteria E. coli and A. vinelandii and yeast S. cerevisiae.
Taylor was then replaced by ex-Biogenesis vocalist Chaz Bond, who first appeared on the 2005 album Drama of the Ages.
The master regulators of mitochondrial biogenesis appear to be the peroxisome proliferator-activated receptor gamma (PGC) family of transcriptional coactivators, including PGC-1α, PGC-1β, and the PGC-related coactivator, PRC.
The genome of Mnemiopsis leidyi appears to lack recognizable microRNAs, as well as the nuclear proteins Drosha and Pasha, which are critical to canonical microRNA biogenesis.
SENP3 is associated and regulated by B23/nucleophosmin/NPM1 and involved in the regulation of ribosome biogenesis.