(1) Arterial-type flows produced a pair of vortex sinks downstream of the branching port.
(2) Protein kinase C (PKC) is activated rapidly and transiently following ionizing radiation exposure and is postulated to activate downstream nuclear signal transducers.
(3) In contrast, cholesterol precursors downstream from lanosterol, i.e., desmosterol and 7-dehydrocholesterol, completely replaced cholesterol in supporting NS-1 cell growth.
(4) By allelic exchange using cloned PI genes from FA19 (PIA) and MS11 (PIB) and a selectable marker introduced closely downstream of these genes, we constructed sets of isogenic gonococcal strains that differ only in their PI gene.
(5) By using our DNA probe, we could disclose, in addition to the StyI site at amino acid position 420, two further StyI site downstream: one was specific for the GC*1S allele and another for the GC*1F allele.
(6) A new alternative splice site was incidently found 81 nucleotide downstream of motif II in both normal and truncated 4.1 mRNA.
(7) By placing the thigh in external flexion-rotation the deep femoral artery can readily be approached downstream the first perforating artery.
(8) It also suggests that the -10 and its downstream regions are more important than the -35 region for the formation of the E sigma A-P2 promoter open complex.
(9) By using primer 1 (5'-AAAGAATTCATGGAATCCAGGATCTG-3', upstream nucleotides 157 to 2877), primer 2 (5'-AAAGAATTCATGAACGTGAAGGAATCG-3', upstream nucleotides 1846 to 2877), and primer 4(5'-ATAAAGCTTAATCAGACGTTCTCTTCTTC-3', downstream nucleotides 157 to 2877 and 1846 to 2877), the HCMV B gene code region sequence and its glycoprotein 52 kd antigenic domain sequence were amplified from the recombinant plasmid pBH1 DNA containing the HCMV B gene.
(10) The sequence analysis showed a single nucleotide substitution (G----A) at position 69 nts (delta +69) downstream to the polyA addition site.
(11) The insertion at codon 24 ends protein translation and has a polar effect on the expression of the downstream umuC gene.
(12) Repair within the gene was shown to be much more efficient than that in silent downstream sequences or in the genome overall.
(13) We identified a 700-codon open reading frame, downstream from the flbF promoter region, that was predicted to be the flbF structural gene.
(14) The differential component force Fm - Fa provides the ventricular impulse needed to overcome the inertia of the system due to (1) the mass of the blood, (2) the geometrical constriction of the outflow tract as one moves downstream (Bernoulli effect), and (2) the moving ventricular walls.
(15) The transposons were altered so that upon insertion into the chromosome, transcription fusions are formed in which the promoter regions of fla genes drive the expression of the downstream promoter-less drug resistance genes.
(16) Preliminary evidence is presented showing that the downstream open reading frame is functional in vivo.
(17) Regulation of argininosuccinate synthetase (AS) was studied by using minigenes containing 3 kilobases of DNA upstream from the TATAA box and 9 kilobases downstream (including the first four exons of the AS gene) ligated to either the cDNA for AS or to the chloramphenicol acetyltransferase (CAT) gene.
(18) When the CRP site was placed far downstream of the promoter, a moderate repression of transcription was observed.
(19) A mouse homologue was indeed identified and is located 16 kb downstream of the C alpha 1 exon.
(20) We propose that the -10 hexamer sequence and the adjacent downstream region are both important in regulating transcription by ppGpp.
Upstream
Definition:
(adv.) Toward the higher part of a stream; against the current.
Example Sentences:
(1) The latter result indicates that the dexamethasone block is upstream from release of esterified arachidonic acid.
(2) Other DNase I hypersensitive sites located adjacent to the S14 cap site at -65 to -265 base pairs (Hss-1) or upstream at -1.3 kb (Hss-2), -2.1 kb (Hss-3'), -5.3 kb (Hss-4), and -6.2 kb (Hss-5) remained unaffected by changes in S14 gene transcription.
(3) No other essential regulatory sequence is located further upstream.
(4) Analysis of glutamate dehydrogenase (GDH) expression by enzyme assay and immunoblots, as well as Northern and dot blots of poly (A)+ RNA, in the deletion strains indicates that there are two upstream regulatory sequences that control the level of gene expression.
(5) Although the islet promoter was found to lack a TATA box, a major transcript from the islet promoter was mapped 486 nucleotides upstream of the translation initiation site.
(6) If this is the only issue, flight would be fine, but need to make sure that it isn’t symptomatic of a more significant upstream root cause.” Elon Musk (@elonmusk) Btw, 99% likely to be fine (closed loop TVC wd overcome error), but that 1% chance isn't worth rolling the dice.
(7) There was an upstream "HTF" island (Hpa II tiny fragments) followed by four direct repeats of the "chorion box" enhancer.
(8) Six discrete 'phased' nucleosomes are present upstream from the gene and are modulated by induction.
(9) That the opposite was observed in our study indicates that the increase in Pst(L), which results from parenchymal hysteresis, offsets any dimensional decrease in upstream airways due to airways hysteresis.
(10) The human gene-specific upstream stimulatory transcription factor (USF) is required, both in vivo and in vitro, for maximal expression of the major late promoter (MLP) of adenovirus.
(11) A single upstream CCAAT element is essential for high level expression in both liver and non-liver cells.
(12) Deletional analysis demonstrated that a region between -86 and -70 nucleotides upstream from the transcriptional origin of the human VIP gene was responsible for stimulation by forskolin.
(13) The gradient of increasing copper and zinc concentrations with increasing distance upstream from the mouth of the estuary reported in 1975 could not be statistically validated.
(14) By using primer 1 (5'-AAAGAATTCATGGAATCCAGGATCTG-3', upstream nucleotides 157 to 2877), primer 2 (5'-AAAGAATTCATGAACGTGAAGGAATCG-3', upstream nucleotides 1846 to 2877), and primer 4(5'-ATAAAGCTTAATCAGACGTTCTCTTCTTC-3', downstream nucleotides 157 to 2877 and 1846 to 2877), the HCMV B gene code region sequence and its glycoprotein 52 kd antigenic domain sequence were amplified from the recombinant plasmid pBH1 DNA containing the HCMV B gene.
(15) The sequence TAGAAAA was found 30 bases upstream from the transcription initiation site and could be analogous to the TATA box.
(16) A potential ribosome binding site was located 20 nucleotides upstream of the initiation codon in the 5' noncoding region.
(17) A 1,300-base pair fragment of 5'-flanking sequence containing these elements, ligated upstream from a firefly luciferase reporter gene and transfected into cultured normal rat kidney cells, demonstrated strong promoter activity.
(18) Since these three mutants differ in the extent to which EBNA expression is impaired, the data suggest that there are several critical regions upstream of the open reading frame that regulate EBNA expression in COS-1 cells.
(19) One class II mutant carried a Tn10 insertion in or close to malT whereas in the remaining class II mutants the insertions were located at least 4 kb upstream of pulA in a region which may define a new regulatory locus of the maltose operon.
(20) We report here that a nuclear protein is tightly bound to the HBV genome at a position approximately 190 bases upstream from the S gene promoter.