Experiment / E0JNPZI1GTargeted Genomic Integration MPRA

Intra-specific Oak × ChII CRE-seq time course

Cis-regulatory variants affect gene expression dynamics in yeast

An integrated CRE-seq library tested 130-bp promoter windows, parental alleles, and single-variant substitutions from the Oak (YJF153) and China II (SX6) Saccharomyces cerevisiae strains in an Oak × ChII diploid. Four random 10-bp barcodes were designed per construct, and barcode RNA/DNA activity was measured over 19 diauxic-shift timepoints.

Processed tables are specific to each experiment. Column names, units, measurements, and table structure are not standardized across the database. Check this experiment’s column definitions and quality-control notes before comparing or combining data.

Perturbation & assay details

Diauxic-shift time course in YPD at 30°C; no exogenous treatment

CRE-seq reporter assay: pooled 200-bp synthetic oligos were cloned into pIM202, YFP was placed between the cis-regulatory element and barcode, and the reporter library was integrated at the URA3 locus in yeast. RNA barcode counts measure reporter expression and combined DNA1/DNA19 barcode counts measure library abundance; the processed activity is the per-barcode log2 RNA/DNA ratio after library-size normalization.

Processed data

50 rows per page. Click a cell to inspect its full value.

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Filters apply to this table only. The CSV download contains the complete processed table; filtered rows are available through the API.

Column dictionary · 49 definitions
element_id
Unique CRE construct identifier without the barcode sequence.
gene_id
Systematic S. cerevisiae gene identifier targeted by the promoter region.
region_id
Gene and promoter-window identifier in the form gene:region.
region
Promoter window index; 0 is proximal to the TSS and 4 is most distal.
allele
Library allele token: 0 shared sequence, 1 Oak, 2 ChII, vaN Oak variant in ChII background, or vbN ChII variant in Oak background.
allele_label
Human-readable allele or substitution label.
construct_type
Functional class of the tested construct.
promoter_sequence
Synthetic cis-regulatory sequence used in the reporter construct.
promoter_sequence_length
Length in bases of promoter_sequence.
oligo_length
Designed synthetic oligo length in bases.
num_snp_differences
Number of SNP differences annotated for the construct or parental region.
num_indel_differences
Number of insertion/deletion differences annotated for the construct or parental region.
allele_length_1
Length of the first parental allele in the type annotation.
allele_length_2
Length of the second parental allele in the type annotation.
aligned_length
Alignment length reported in the CRE type annotation, when available.
n_barcodes_total
Number of barcodes designed for the construct.
n_barcodes_qc
Number of barcode rows retained after the author QC filter.
qc_pass_rate
n_barcodes_qc divided by n_barcodes_total.
qc_barcodes
Semicolon-separated barcode sequences retained after QC.
region_qc_retained
Indicates that the construct belongs to the processed QC-retained set; 1 means yes.
region_correlated_with_rnaseq
Author annotation indicating whether the promoter region correlated with endogenous RNA-seq expression (1=yes, 0=no).
region_fdr_levels
Author FDR for the parental CRE expression-level comparison for this region.
region_fdr_dynamics
Author FDR for the parental CRE expression-dynamics comparison for this region.
region_parents_dynamics
Author significance flag for parental expression dynamics (1=significant, 0=not significant).
region_parents_levels
Author significance flag for parental expression levels (1=significant, 0=not significant).
published_comparison
Matched comparison in intra.stats.csv: 2 for parental alleles or vN for single-variant tests.
published_comparison_type
Whether the matched published comparison is parental or single-variant.
published_n_snps
Number of SNPs reported for the matched published comparison.
published_n_indels
Number of InDels reported for the matched published comparison.
published_comparison_fdr_levels
Author FDR for expression levels in the matched comparison.
published_comparison_fdr_dynamics
Author FDR for expression dynamics in the matched comparison.
published_comparison_parents_dynamics
Author parental-dynamics flag in the matched statistics row.
published_comparison_parents_levels
Author parental-levels flag in the matched statistics row.
published_rnaseq_dynamics_significant
Author endogenous RNA-seq dynamics significance flag.
published_rnaseq_levels_significant
Author endogenous RNA-seq levels significance flag.
published_level_variant_flag
Author flag that the tested comparison identified a level-affecting variant.
published_dynamics_variant_flag
Author flag that the tested comparison identified a dynamics-affecting variant.
timepoint
CRE-seq RNA sampling label from T1 through T19.
time_hours
Sampling time in hours during the diauxic shift, from the authors' CRE_analysis.R time vector.
n_barcodes_with_activity
Number of retained barcodes with nonzero RNA and positive DNA used for the activity summary at this timepoint.
mean_rna_count
Mean raw RNA barcode count across retained barcodes for this construct and timepoint.
mean_dna_count
Mean combined DNA1+DNA19 barcode count across retained barcodes for this construct.
mean_rna_cpm
Mean RNA count after per-timepoint library-size normalization to counts per million.
mean_dna_cpm
Mean combined DNA count after library-size normalization to counts per million.
mean_log2_activity
Mean barcode-level log2[(RNA CPM)/(combined DNA CPM)] at this timepoint; zero-RNA barcodes are omitted.
sem_log2_activity
Standard error of the barcode-level log2 activity mean at this timepoint.
mean_activity_over_time
Mean of mean_log2_activity across timepoints with nonmissing activity for this construct.
sd_activity_over_time
Standard deviation of mean_log2_activity across informative timepoints for this construct.
n_timepoints_with_activity
Number of timepoints with a nonmissing construct activity summary.

Quality control

Author-described QC was applied to the raw barcode counts: perfect matches to library barcodes were retained, technical replicate libraries were combined, and a barcode was removed if it had zero RNA reads in more than one-third of the 19 RNA timepoints, fewer than 100 total DNA1+DNA19 reads, or fewer than 1,900 total RNA reads (100 average reads per timepoint). This retained 6,820 of 7,268 barcode rows, corresponding to 1,816 constructs across 334 promoter regions. Zero RNA timepoints are omitted from activity means and standard errors. The processed activity uses transparent library-size-normalized CPM RNA divided by combined-DNA CPM; the original count files and author statistics are included in raw_data.

Curation notes

The paper calls this the YJF1455 intra-specific library. The 0 allele token denotes a single shared sequence for regions where the Oak and ChII windows are identical; those constructs have no parental comparison row in intra.stats.csv. vaN means Oak sequence substituted into a ChII background, while vbN means the reciprocal ChII substitution.

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