NDLI: Comparing Heterotrophic with Phototrophic PHA Production

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Comparing Heterotrophic with Phototrophic PHA Production

Content Provider	Scilit
Author	Fritz, Ines Meixner, Katharina Neureiter, Markus Drosg, Bernhard
Copyright Year	2020
Description	Polyhydroxyalkanoates (PHA) are a class of biopolymers with interesting material properties and highly beneficial use in certain applications. This is the base for its market presence with a prospective increasing share over a long period. Biotechnological production with prokaryotes is, undoubtedly, the most promising way to go and may remain so for the near future. Regarding the use of substrates, three general strategies can be identified, similar to biorefinery concepts: (1) using sugar or starch as input (first-generation substrates), (2) using lignocellulosic biomass or other liquid and solid organic residues (waste streams) as input (second-generation substrates), and (3) biotechnology with photo- and autotrophic bacteria – using $CO_{2}$ and sunlight as input (third-generation substrates). With a closer look at cell physiologies, the conversion yields, and the overall technological effort, the specific advantages and disadvantages of each of those strategies are made clear through comparison. This chapter focuses on the critical parameters of a phototrophic PHA production with cyanobacteria and direct output compared with some of the established biotechnological processes. It concludes with a look at the required research and process optimization for the near future and, finally, discusses the scenario of a possible long-term PHA (and PHB) production strategy. Book Name: The Handbook of Polyhydroxyalkanoates
Related Links	https://content.taylorfrancis.com/books/download?dac=C2019-0-99012-7&isbn=9780429296611&doi=10.1201/9780429296611-15&format=pdf
Ending Page	356
Page Count	26
Starting Page	331
DOI	10.1201/9780429296611-15
Language	English
Publisher	Informa UK Limited
Publisher Date	2020-11-05
Access Restriction	Open
Subject Keyword	Book Name: The Handbook of Polyhydroxyalkanoates Paper and Wood Physiologies Optimization Biotechnological Input Phototrophic Pha Production Substrates
Content Type	Text
Resource Type	Chapter

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