A complete map of the top 100 molecules from the gut microbiome
A complete map of the top 100 molecules from the gut microbiome
批准号:
9162738
负责人:
MICHAEL ANDREW FISCHBACH
金额:
$110.95万
依托单位国家:
美国
项目类别:
财政年份:
2016
资助国家:
美国
项目状态:
已结题
起止时间:
2016-09-08 至 2021-07-31
关键词:
AddressAnalytical ChemistryBacteriaBiochemistryBlood CirculationCommunitiesComputational algorithmCustomDataDiseaseFutureGenesGeneticGenomicsHumanHuman BiologyHuman MicrobiomeIndividualLeadMapsMetabolicMicrobiologyMolecularNatural ProductsOutputPharmaceutical PreparationsPhenotypePreventionProcessResearchRoleRunningSpecific qualifier valueTestingTo specifyTransplantationWorkabstractinggut microbiomegut microbiotahuman diseaseinterestmetabolic profilemetagenomic sequencingmicrobiomemicrobiotasmall moleculetrend
中文摘要
摘要:
--
人们对细菌微生物群的兴趣重新燃起,并在细菌的主要作用方面产生了许多耐人寻味的发现。
共生菌参与了人类免疫生物学和疾病的研究。然而,这些发现中的大多数都是相互关联的;;几乎没有。
在分子生物学机制的最高水平上,人们对微生物-宿主之间的相互作用一无所知。这些典型的研究方法有助于解决
解决这一问题的主要是一次性的努力,即试图找到一个对这种表型负有责任的个体分子。
值得关注。在这里,我们将提出如何通过系统地研究最具体的一种模式来颠覆这一模式。
全球微生物区系对人类营养生物学的贡献:从肠道中提取最多的100个分子,按丰度排序。
社区。由于这些分子在不同个体之间的浓度差异很大,所以他们不能在宿主体内积累能量。
流通、药物和药物的浓度与一种典型的小分子药物的浓度相当或超过其浓度水平。
我们将在这里提出的主要工作是确定前100名中的每一名可能产生的主要细菌种类,并进行鉴定。
负责任的研究人员的新基因将是朝着创造一种能够完全或具体说明这一分子的能力迈出的第一步。
这是一个我们将进行试点的新过程,是一个新的过程,我们将进行试点。
在中国,这是目前的第一个项目。
--
这是一个由数十种高浓度电子分子组成的整体,我们每天都会接触到这些分子,这不太可能是一件容易的事情。
人类免疫生物学疾病和疾病的主要驱动力。因此,想象一个每个人都生活在其中的未来世界并不是没有道理的。
它会不会拥有一个重新编程的生物(合成)生物内脏社区,其生物分子生物产量已经过全面优化。
疾病、治疗和预防。
--
天然生物产品的发现领域和微生物组的研究领域都由基因组学主导。
方法。我们在这里提出的解决方案完全是与这一趋势背道而驰的:我们将从一开始就是一种新的经验。
这种方法本质上是一种老式的伯杰式的微生物,为他们配备了最先进的分析技术。
化学。在使用我们可以从经验性和新陈代谢特征分析中获得的丰富信息之后,我们将不再使用遗传学。
而生物化学则需要找出负责合成前100名的主要基因,并使用这些信息。
设计了一种简单的计算算法,它可以直接从元基因组序列和数据中预测代谢产物的产量。
4)我们将使用简单的合成代谢社区来检验我们的预测。我们的数据中心将创建一个丰富的全球新陈代谢地图。
排名前100位的公司、公司和公司将继续建设可移植的、可生产定制产品的合成纤维社区。
鸡尾酒会产生想要的分子(而且不会产生不想要的分子)。
英文摘要
Abstract
Renewed interest in the microbiome has yielded numerous intriguing findings about the role of bacterial
symbionts in human biology and disease. However, most of these findings are correlative and associative;; little
is known about microbiota-host interactions at the level of molecular mechanism. Typical approaches to
address this problem are one-off efforts that attempt to find an individual molecule responsible for a phenotype
of interest. Here, we propose to upend this paradigm by systematically studying one of the most concrete
contributions of the microbiota to human biology: the ‘top 100’ molecules, by abundance, from the gut
community. These molecules vary widely in concentration among individuals, can accumulate in host
circulation, and are present at levels that match or exceed the concentration of a typical small molecule drug.
The work we propose here – to determine the bacterial species that produce each of the top 100, and identify
the genes responsible – will be the first step toward creating a capability to completely specify the molecular
output of the gut community (which molecules are produced, and which others are not), a process we will pilot
in the current project.
This ensemble of dozens of high-concentration molecules – to which we are exposed daily – is likely to be a
major driver of human biology and disease. It is not unreasonable to imagine a future in which every human
will harbor a ‘reprogrammed’ (synthetic) gut community whose molecular output has been optimized for
disease treatment and prevention.
The fields of natural product discovery and microbiome research are dominated by genomics-driven
approaches. The solution we propose here runs entirely counter to this trend: we will start with 1) an empirical
approach that is, in essence, old-fashioned Bergey’s-style microbiology outfitted with state-of-the-art analytical
chemistry. Using the rich information we derive from empirical metabolic profiling, we will then 2) use genetics
and biochemistry to identify the genes responsible for synthesizing the top 100, 3) use this information to
devise a computational algorithm that can predict metabolic output directly from metagenomic sequence data,
and 4) test our predictions using simple synthetic communities. Our data will create a rich metabolic map of the
top 100, and will enable the construction of transplant-ready synthetic communities that produce custom
cocktails of desired molecules (and do not produce undesired molecules).
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