2020
DOI: 10.1002/adma.201907138
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Microbial Polyhydroxyalkanoates and Nonnatural Polyesters

Abstract: Microorganisms produce diverse polymers for various purposes such as storing genetic information, energy, and reducing power, and serving as structural materials and scaffolds. Among these polymers, polyhydroxyalkanoates (PHAs) are microbial polyesters synthesized and accumulated intracellularly as a storage material of carbon, energy, and reducing power under unfavorable growth conditions in the presence of excess carbon source. PHAs have attracted considerable attention for their wide range of applications i… Show more

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Cited by 88 publications
(75 citation statements)
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References 384 publications
(472 reference statements)
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“…PHAs are not only biodegradable, but also biobased polyesters, that have physicochemical properties comparable to conventional plastics [ 24 , 25 ]. With over 150 described monomers, they are classified according to the number of carbons in their monomers, the position of the hydroxyl group, and the presence of functional groups in their side chains (e.g., phenoxy, phenyl and acetoxy groups) [ 26 ]. PHAs that consist of monomers of 3–5 carbon atoms are referred to as short-chain length PHAs or PHAscl, while those comprised of 6–15 carbon atoms are called medium chain length PHAs or PHAmcl.…”
Section: Introductionmentioning
confidence: 99%
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“…PHAs are not only biodegradable, but also biobased polyesters, that have physicochemical properties comparable to conventional plastics [ 24 , 25 ]. With over 150 described monomers, they are classified according to the number of carbons in their monomers, the position of the hydroxyl group, and the presence of functional groups in their side chains (e.g., phenoxy, phenyl and acetoxy groups) [ 26 ]. PHAs that consist of monomers of 3–5 carbon atoms are referred to as short-chain length PHAs or PHAscl, while those comprised of 6–15 carbon atoms are called medium chain length PHAs or PHAmcl.…”
Section: Introductionmentioning
confidence: 99%
“…Many bacteria accumulate PHAs as storage compounds of both carbon and energy in response to carbon excess and/or nitrogen or phosphate stress [ 32 ]. With the first PHAs already being described in 1926 in Bacillus megaterium [ 33 ], it is now known that both Gram-positive and Gram-negative bacteria have PHA production capabilities, including members of the genera Aeromonas , Alcaligenes , Bacillus , Cupriavidus , and Pseudomonas [ 26 ]. These various microorganisms can be and are currently utilized and optimized to produce PHAs for the biobased plastics industry [ 34 ].…”
Section: Introductionmentioning
confidence: 99%
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“…In addition to functions in carbon storage and as an energy reservoir for other polyhydroxyalkanoates (PHAs) in their host microorganisms [ 3 ], PMLA acts as a molecular transporter to bind to and carry nuclear proteins related to DNA replication, demonstrating its unique role in maintaining protein homeostasis and assisting DNA synthesis [ 4 ]. Unlike bioderived water-insoluble polyhydroxybutyrate (PHB) , PMLA possesses a high capacity to attach hydrophobic molecules while remaining water-soluble owing to the exceptional hydrophilicity of abundant carboxylic acids that are present as pendant groups from its polymeric chain [ 5.…”
Section: Biopolymer: From Benchtop To Bedsidementioning
confidence: 99%