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Strictly maternal class (SM): genes that are the subset of maternal genes that are not also classified as embryonic. |
A modified Welch F statistic was used for ANOVA. For each gene, regressed error estimates were substituted for observed error estimates. The substitution is justified by the lack of consistency among the most and least variable genes at each time point. Regressed error estimates were abundance-dependent pooled error estimates that represented a median error estimate from a window of genes of similar abundance to the gene of interest. A randomization test was used to compute the probability Pg of the observed F statistic for gene g under the null hypothesis that developmental time had no effect on expression. P-values were not corrected for multiple testing. |
[cgc5767]:expression_class_SM
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Maternal class (M): genes that are called present in at least one of the three PC6 replicates. |
A modified Welch F statistic was used for ANOVA. For each gene, regressed error estimates were substituted for observed error estimates. The substitution is justified by the lack of consistency among the most and least variable genes at each time point. Regressed error estimates were abundance-dependent pooled error estimates that represented a median error estimate from a window of genes of similar abundance to the gene of interest. A randomization test was used to compute the probability Pg of the observed F statistic for gene g under the null hypothesis that developmental time had no effect on expression. P-values were not corrected for multiple testing. |
[cgc5767]:expression_class_M
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Genes expressed in N2. |
Expressed transcripts were identified on the basis of a Present call in 3 out of 4 N2 experiments as determined by Affymetrix MAS 5.0. |
WBPaper00025141:N2_Expressed_Genes
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Transcripts that showed significantly decreased expression in hda-2(ok1479) comparing to in N2 animals. |
DESeq2 (version 1.28.1), FDR < 0.01, fold change > 2. |
WBPaper00062159:hda-2(ok1479)_downregulated
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Bacteria Diet: L. plantarum with pdxH mutant vs. L. plantarum |
Transcripts that showed significantly decreased expression in N2 animals fed with L. plantarum with pdxH mutant, comparing to in N2 animals fed with L. plantarum. |
GFold3, logFC < -1 or > 1. |
WBPaper00066703:L.plantarum-pdxH_downregulated
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Genome-wide analysis of developmental and sex-regulated gene expression profile. |
self-organizing map |
cgc4489_group_9
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Genes with changed expression in lin-54(n2290) embryo. |
To determine differentially expressed genes between wild-type and mutants, moderated T Statistics in limma was used with p-value <= 0.01, fold change >= 1.5. |
WBPaper00038427:lin-54_embryo_changed
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Genes up regulated in the absence of TDP-1, when the threshold was set at a fold change (FC) of 1.2. |
The management and statistical analysis of the microarray data were performed using the Partek Genomic Suite (Partek, Missouri) and Spotfire DecisionSite software (TIBCO, California). |
WBPaper00040603:tdp-1(lf)_up_vs_N2_FC_1.2
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Expression Pattern Group F, enriched for genes involved in embryonic development. These patterns have in common that they all have genes of which the expression goes up after the juvenile stage. The expression of the genes in these patterns remains high or even goes up after reproduction. |
The significance (P 0.0001) of the relative age (time) was used to determine if a gene was differentially expressed between the three age (time) groups. The effect of this factor explaining gene expression differences was used to determine if the expression went up or down during the two age/time periods (t1 - t2 and t2 -t3). Authors used a permutation approach to determine the thresholds for the different mapping strategies. For each of the used models for eQTL mapping, authors used 23,000 permutations. For each permutation, authors randomly picked a spot; each spot could only be picked once. The gene expression and relative lifespan values were than randomly distributed over the RILs (and time points) and used for mapping. In this way, authors obtained a threshold for each of the explaining factors. For the single time points, authors used a FDR of 0.01 to adjust for multiple testing. The genome-wide threshold for this FDR is -log10 P = 3.8 for each of the three time points. For the combined models (t1 to t2 and t2 to t3), authors used a genome-wide threshold of -log10 P = 4, which resembles an FDR of 0.006, 0.001, and 0.006 for marker, age, and the interaction between marker and age, respectively. To determine the threshold for the single gene examples, authors used 1000 permutations as in the genome-wide threshold. The difference is that they use the gene under study in all of the permutations. The P-values for the gene specific thresholds were determined at FDR = 0.05. |
WBPaper00036286:Pattern_F
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Genes that showed expression changes over the aging time course. |
One-way analysis of variance (ANOVA) was used to identify 201 genes that show expression changes over the aging time course (p < 0.001) |
WBPaper00005475:Aging-regulated
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Genes predicted to be upregulated more than 2.0 fold in rde-3(ne298) mutant worms as compared to wild-type animals (t-test P-value < 0.05). |
A t-test (5% confidence) was applied to the triplicate sample data for each transcript in each mutant to identify genes significantly elevated or decreased compared with the wild type. |
WBPaper00027111:rde-3(ne298)_upregulated
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Fed by 25 mg/ml pRJ-Fr.5 (Protease-treated Royal Jelly) for 24 h beginning at the L4 stage. |
Genes up regulated after fed by 25 mg/ml pRJ-Fr.5 for 24 h beginning at the L4 stage. |
To identify differentially regulated genes, authors eliminated all probes with absent or marginal flags and then performed a t-test with the significance level set at p < 0.05. |
WBPaper00040116:pRJ-FR.5_up_regulated
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