American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
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Elsewhere on the web
The sit operon is multifunctional; it acts as an iron acquisition system during intracellular infection and as a transporter of different compounds, such as manganese, at different stages of infection— PLoS ONE Alerts: New Articles
While morphological constraints reach a maximum at mid-development (the "phylotypic" stage), genomic constraints appear to decrease in a monotonous manner over developmental time. arabidopsis circadian-rhythms development eqtl evolution flowering-time genome genome-evolution genome-organization light-signalling methylation molecular-evolution natural-variation networks next-gen-sequencing operon organization photoreceptors proteomics qtl rice rnaseq statistics tomato CiteULike organises scholarly (or academic) papers or literature and provides bibliographic (which means it makes bibliographies) for universities and higher education establishments.— CiteULike: Everyone's library
Similar to other S. aureus exoprotein genes, the spl operon is maximally expressed during the transition into stationary phase and is positively controlled by the Agr virulence factor regulator.— CiteULike: Everyone's library
Genes of the anaerobic respiration belonging to the PhoP regulon include the nitrite transporter narK1 and the sulphur reduction operon, nirA-cysH— PLoS ONE Alerts: New Articles
Gonzalo-Asensio J, Soto CY, Arbues A, Sancho J, Menendez MD, et al. (2008) Mycobacterium tuberculosis phoPR operon is positively autoregulated in the virulent strain H37Rv.— PLoS ONE Alerts: New Articles

American Heritage Dictionary (1)
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