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Engineering the Dark Food Chain: The Role of Methanotrophic Bacteria in Food Production and Climate Change Mitigation.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Engineering the Dark Food Chain: The Role of Methanotrophic Bacteria in Food Production and Climate Change Mitigation./
作者:	El Abbadi, Sahar Head.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	150 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-05, Section: B.
Contained By:	Dissertations Abstracts International83-05B.
標題:	Aquaculture. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28746146
ISBN:	9798494443632

Engineering the Dark Food Chain: The Role of Methanotrophic Bacteria in Food Production and Climate Change Mitigation.
El Abbadi, Sahar Head.

Engineering the Dark Food Chain: The Role of Methanotrophic Bacteria in Food Production and Climate Change Mitigation. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 150 p.

Source: Dissertations Abstracts International, Volume: 83-05, Section: B.

Thesis (Ph.D.)--Stanford University, 2021.

This item must not be sold to any third party vendors.

Humanity currently faces the global challenge of providing nutritious food to support our growing population in the face of catastrophic climate change. Current methods for food production contribute to global greenhouse gas emissions through demand for land, fertilizers and energy. Meanwhile, waste management and fossil fuel extraction industries release to the atmosphere large volumes of methane, a potent greenhouse gas. Methanotrophic (methane-oxidizing) bacteria present an opportunity to create low-carbon, sustainable food systems. When methanotrophs grow, they use methane as their primary source of carbon and energy, producing a protein-rich biomass that can serve as a new source of protein, offsetting current use of unsustainable animal feeds. Transforming methane into a high-value animal feed product can incentivize its capture, reducing greenhouse gas emissions. Through a combination of critical review and analysis, laboratory research, and modeling studies, this dissertation investigates the role methanotrophs can play in food production and climate change mitigation.This thesis consists of three research chapters. Chapter 2 establishes the framework of a "dark food chain," which outlines how bacteria that grow independent of light can add value to human food production. This chapter includes a broad discussion of chemotrophic microorganisms, but focuses on engineering advantages and challenges associated with using methanotrophic bacteria in particular. Next, Chapter 3 investigates the ways in which bacteria can add value when used as an aquaculture feed through health benefits derived from bacterial storage polymers. While these laboratory studies are ultimately inconclusive, we uncover and report inconsistencies in an experimental system used in aquaculture research. Finally, Chapter 4 is a techno-economic model that evaluates the market potential for methanotrophic protein to replace unsustainably harvested fishmeal in aquaculture feed. Analyzing methane emitted and flared in the United States, we find that methanotrophs grown on this stranded gas are not only cost competitive with fishmeal when produced at large-scale, but that the resulting protein can offset 14% of the global fishmeal market. Taken together, these three chapters broaden scientific knowledge of how methanotrophs can contribute to food production while mitigating methane emissions, thus advancing the path towards industrial application.

ISBN: 9798494443632Subjects--Topical Terms:

545878
Aquaculture.

Engineering the Dark Food Chain: The Role of Methanotrophic Bacteria in Food Production and Climate Change Mitigation.
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