Power calculator for detecting allelic imbalance using hierarchical Bayesian model.
Power calculator for detecting allelic imbalance using hierarchical Bayesian model.
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DOI:
10.1186/s13104-021-05851-x
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发表时间:
2021-11-27
影响因子:
1.8
通讯作者:
Marroni F
中科院分区:
文献类型:
--
作者:
Sherbina K;León-Novelo LG;Nuzhdin SV;McIntyre LM;Marroni F
Allelic imbalance (AI) is the differential expression of the two alleles in a diploid. AI can vary between tissues, treatments, and environments. Methods for testing AI exist, but methods are needed to estimate type I error and power for detecting AI and difference of AI between conditions. As the costs of the technology plummet, what is more important: reads or replicates? We find that a minimum of 2400, 480, and 240 allele specific reads divided equally among 12, 5, and 3 replicates is needed to detect a 10, 20, and 30%, respectively, deviation from allelic balance in a condition with power > 80%. A minimum of 960 and 240 allele specific reads divided equally among 8 replicates is needed to detect a 20 or 30% difference in AI between conditions with comparable power. Higher numbers of replicates increase power more than adding coverage without affecting type I error. We provide a Python package that enables simulation of AI scenarios and enables individuals to estimate type I error and power in detecting AI and differences in AI between conditions. The online version contains supplementary material available at 10.1186/s13104-021-05851-x.
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