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An optimal normalization method for high sparse compositional microbiome data

delete2024-08-05
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Michael B. Sohn *
G
Gill, Steven R.
DOI:10.1371/journal.pcbi.1012338delete
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摘要

摘要

En 中文
在许多组学数据中,包括微生物组测序数据,我们仅能测量相对信息。已有多种计算或统计方法被提出,旨在从相对信息中提取绝对(或生物学相关)信息;然而,这些方法基于较强的假设,可能不适用于多组(超过两组)和/或纵向结局数据。本文首先介绍了从相对信息中提取绝对信息所需的最小假设。该假设比现有方法施加的假设更为宽松,因而适用于多组及/或纵向结局数据。接着,我们提出了首个在该最小假设下工作的归一化方法。通过广泛的模拟研究,证明了所提方法的优化性和有效性,及其对下游分析的积极影响,其中现有方法在最小假设下无法产生一致的性能。我们还通过真实微生物组数据集的应用,确定了与特定疾病/状况相关的生物学重要微生物。
Keyword:
INFLAMMATORY-BOWEL-DISEASE
DIFFERENTIAL ABUNDANCE
FECAL MICROBIOTA
GUT

期刊

PLOS Biology 封面图
PLOS Biology
IF:
7.2
论文数:
2.1K
被引数:
4.1W

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