Search results for "hisB"
showing 3 items of 3 documents
Going underground: short- and long-term movements may reveal the fossorial spatial ecology of an amphisbaenian
2021
[Background]: The movement and spatial ecology of an animal depends on its morphological and functional adaptations to its environment. In fossorial animals, adaptations to the underground life help to face peculiar ecological challenges, very different from those of epigeal species, but may constrain their movement ability.
Cloning and characterization of the histidine biosynthetic gene cluster of Streptomyces coelicolor A3(2).
1990
Abstract Biochemical and genetic data indicate that in Streptomyces coelicolor A3(2) the majority of the genes involved in the biosynthesis of histidine are clustered in a small region of the chromosome [Carere et al., Mol. Gen. Genet. 123 (1973) 219–224; Russi et al., Mol. Gen. Genet. 123 (1973) 225–232]. To investigate the structural organization and the regulation of these genes, we have constructed genomic libraries from S. coelicolor A3(2) in pUC vectors. Recombinant clones were isolated by complementation of an Escherichia coli hisBd auxotroph. A recombinant plasmid containing a 3.4-kb fragment of genomic DNA was further characterized. When cloned in the plasmid vector, pIJ699, this f…
“Audacem faciebat amor” : Thisbe, an Ovidian Heroine from Antiquity to the 15th century
2022
In the Middle Ages, the fable of Pyramus and Thisbe from Ovid's Metamorphoses and older sources presents a range of varied representations, translated, reworked, transposed to serve literary, allegorical and moral purposes. This timeless love story has been adapted to multiples genres and purposes and became part of the literary and pictorial collective imagination. We explore the multiform reception of this fable to the 15th century in Latin and vernacular texts along with their illustrations in order to draw its diachronic evolution from its origins. We try to understand how authors appropriate the myth and deliver their own interpretation according to the context by filtering the element…