Words similar to exogenous
Example sentences for: exogenous
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Stress proteins have been shown to be expressed in non-stressed cells during development and differentiation [ 25 ] . Hsps were shown to be expressed during the differentiation of mammalian osteoblasts and promelocytic leukemia cells [ 26 ] . In addition, hsp expression has been shown to accompany growth arrest in human B lymphocytes [ 27 ] and macrophage differentiation of HL 60 cells [ 28 ] . During myogenic differentiation, mRNA for alphaB increases in conjunction with the induction of mRNA for myogenin, the earliest known event in myogenesis [ 29 ] . The addition of exogenous alpha-crystallin to primary bovine lens epithelium was shown to induce rapid changes in cell shape, leading to the formation of lentoid bodies [ 21 ] . These studies strongly suggest that the hsp family of proteins has other functions in addition to protecting proteins and cells during stress.
Specificity in Western blotting and flow cytometry was evaluated by detection of exogenous TTP in transfected 293 cells and by blocking this activity with peptide [ 24 ] .
Such a mutant is inactive against exogenous substrates [ 34 35 36 ] . We found that this Src*/Cas(SD) molecule is constitutively tyrosine phosphorylated when expressed either transiently or stably in cells, and acts as a dominant negative mutant, attenuating v-crk mediated transformation when expressed in cells transformed by this oncogene.
DNA synthesis on exogenous RNA templates
Several groups of Arabidopsis mutants that are resistant to the inhibitory effects of high sugar concentrations have been isolated [ 46 47 48 49 50 ] . Characterization of these mutants reveals that the sis5 [ 46 ] , sun6 [ 50 ] , gin6 [ 49 ] and isi3 [ 45 ] mutants are allelic to the abscisic acid insensitive mutant abi4 [ 51 ] and the sis4 [ 46 ] , isi4 [ 45 ] and gin1 [ 45 ] mutants are allelic to the abscisic acid biosynthesis mutant aba2 [ 52 ] . In addition, the ethylene constitutive response mutant ctr1-1 [ 53 ] , as well as the ethylene-overproduction mutant eto1 [ 54 ] , display sugar-resistant phenotypes [ 48 ] . Conversely, the sugar-response mutant sis1 exhibits an ethylene constitutive response phenotype and is allelic to ctr1-1 [ 47 ] . The prl1 mutant, which exhibits increased sensitivity to exogenous sugars [ 55 56 ] , carries a mutation in a gene that encodes a WD protein that interacts with SNF1 protein kinases [ 57 ] .
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