Metagenomic analysis reveals global-scale patterns of ocean nutrient limitation

doi:10.1126/science.abe6301

GSTDTAP > 气候变化

DOI	10.1126/science.abe6301
	Metagenomic analysis reveals global-scale patterns of ocean nutrient limitation
	Lucas J. Ustick; Alyse A. Larkin; Catherine A. Garcia; Nathan S. Garcia; Melissa L. Brock; Jenna A. Lee; Nicola A. Wiseman; J. Keith Moore; Adam C. Martiny
	2021-04-16
发表期刊	Science
出版年	2021
英文摘要	Within the surface ocean, nitrogen, iron, and phosphorous can all be limiting nutrients for phytoplankton depending on location. Ustick et al. used the prevalence of Prochlorococcus genes involved in nutrient acquisition to develop maps of inferred nutrient stress across the global ocean (see the Perspective by Coleman). They found broad patterns of limitation consistent with an Earth system model and nutrient addition experiments. Leveraging metagenomic data in this manner is an appealing approach that will help to expand our understanding of the biogeochemistry in the vast open ocean. Science , this issue p. [287][1]; see also p. [239][2] Nutrient supply regulates the activity of phytoplankton, but the global biogeography of nutrient limitation and co-limitation is poorly understood. Prochlorococcus adapt to local environments by gene gains and losses, and we used genomic changes as an indicator of adaptation to nutrient stress. We collected metagenomes from all major ocean regions as part of the Global Ocean Ship-based Hydrographic Investigations Program (Bio-GO-SHIP) and quantified shifts in genes involved in nitrogen, phosphorus, and iron assimilation. We found regional transitions in stress type and severity as well as widespread co-stress. Prochlorococcus stress genes, bottle experiments, and Earth system model predictions were correlated. We propose that the biogeography of multinutrient stress is stoichiometrically linked by controls on nitrogen fixation. Our omics-based description of phytoplankton resource use provides a nuanced and highly resolved description of nutrient stress in the global ocean. [1]: /lookup/doi/10.1126/science.abe6301 [2]: /lookup/doi/10.1126/science.abi4684
领域	气候变化 ; 资源环境
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文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/322899
专题	气候变化资源环境科学
推荐引用方式 GB/T 7714	Lucas J. Ustick,Alyse A. Larkin,Catherine A. Garcia,et al. Metagenomic analysis reveals global-scale patterns of ocean nutrient limitation[J]. Science,2021.
APA	Lucas J. Ustick.,Alyse A. Larkin.,Catherine A. Garcia.,Nathan S. Garcia.,Melissa L. Brock.,...&Adam C. Martiny.(2021).Metagenomic analysis reveals global-scale patterns of ocean nutrient limitation.Science.
MLA	Lucas J. Ustick,et al."Metagenomic analysis reveals global-scale patterns of ocean nutrient limitation".Science (2021).