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原文連結
論文資訊
- 類型：已發表論文
- 日期：2022-12-30
摘要
Data from nearly 1000 物種 reveal the upper bound to rates of biomass production achievable by 自然選擇 across the Tree of Life. For heterotrophs, maximum growth rates scale positively with organism size in 細菌 but negatively in eukaryotes, whereas for phototrophs, the 縮放律 is negligible for cyano細菌 and weakly negative for eukaryotes. These results have significant implications for understanding the bioenergetic consequences of the transition from prokaryotes to eukaryotes, and of the expansion of some groups of the latter into multicellularity. The magnitudes of the 縮放律 coefficients for eukaryotes are significantly lower than expected under any proposed physical-constraint model. Supported by genomic, bioenergetic, and 族群-遺傳 data and theory, an alternative hypothesis for the observed negative 縮放律
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