Stoichiogenomics: the evolutionary ecology of macromolecular elemental composition.
Stoichiogenomics: the evolutionary ecology of macromolecular elemental composition.
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DOI:
10.1016/j.tree.2010.10.006
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发表时间:
2011-01
影响因子:
16.8
通讯作者:
Kumar S
中科院分区:
文献类型:
--
作者:
Elser JJ;Acquisti C;Kumar S
The new field of “stoichiogenomics” integrates evolution, ecology, and bioinformatics to reveal surprising patterns of differential usage of key elements (e.g., nitrogen, N) in proteins and nucleic acids. Because the canonical amino acids as well as nucleotides differ in element counts, natural selection due to limited element supplies might bias monomer usage to reduce element costs. For example, proteins that respond to N limitation in microbes use a lower proportion of N-rich amino acids, whereas proteome- and transcriptome-wide element contents differ significantly for plants as compared to animals, likely because of differential severity of element limitations. In this review, we show that with these findings, new directions for future investigations are emerging, particularly via the increasing availability of diverse meta-genomic and meta-transcriptomic data sets.
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