Poly 3-hydroxybutyrate-<i>co</i>-3-hydroxyhexanoate films can be degraded by the deep-sea microbes at high pressure and low temperature conditions

Kato, Chiaki; Honma, Aya; Sato, Shigeo; Okura, Tetsuo; Fukuda, Ryūji; Nogi, Yuichi

doi:10.1080/08957959.2019.1584196

Cited by 16 publications

(6 citation statements)

References 22 publications

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“…As described in the previous section, the biodegradation of PHA has been demonstrated in a wide range of marine environments. PHA-degrading bacteria have also been isolated from various marine environments in which PHA is degraded (Table 5) [112,[114][115][116][117][118][119][120][121][122][123][124][125].…”

Section: Pha-degrading Bacteria In Marine Environmentsmentioning

confidence: 99%

Biodegradability of poly(3-hydroxyalkanoate) and poly(ε-caprolactone) via biological carbon cycles in marine environments

Suzuki

Tachibana

Kasuya

2020

Polym J

142

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Approximately 4.8–12.7 million tons of plastic waste has been estimated to be discharged into marine environments annually by wind and river currents. The Ellen MacArthur Foundation warns that the total weight of plastic waste in the oceans will exceed the total weight of fish in 2050 if the environmental runoff of plastic continues at the current rate. Hence, biodegradable plastics are attracting attention as a solution to the problems caused by plastic waste. Among biodegradable plastics, polyhydroxyalkanoates (PHAs) and poly(ε-caprolactone) (PCL) are particularly noteworthy because of their excellent marine biodegradability. In this review, the biosynthesis of PHA and cutin, a natural analog of PCL, and the biodegradation of PHA and PCL in carbon cycles in marine ecosystems are discussed. PHA is biosynthesized and biodegraded by various marine microbes in a wide range of marine environments, including coastal, shallow-water, and deep-sea environments. Marine cutin is biosynthesized by marine plants or obtained from terrestrial environments, and PCL and cutin are biodegraded by cutin hydrolytic enzyme-producing microbes in broad marine environments. Thus, biological carbon cycles for PHA and PCL exist in the marine environment, which would allow materials made of PHA and PCL to be quickly mineralized in marine environments.

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Section: Pha-degrading Bacteria In Marine Environmentsmentioning

confidence: 99%

Biodegradability of poly(3-hydroxyalkanoate) and poly(ε-caprolactone) via biological carbon cycles in marine environments

Suzuki

Tachibana

Kasuya

2020

Polym J

142

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“…and Rheinheimera sp. have only been documented in few studies addressing chloroethene-contaminated aquifer (Sung et al 2003) and poly-hydroxybutyrate biodegradation (Kato et al 2019). Considerably, no previous report suggests the explosives biodegradation aspect of these taxa, and our study is the first indication of a possible link in such environments.…”

Section: Metabolic and Functional Profiling Based On Wholemetagenome ...mentioning

confidence: 56%

“…2003) and poly‐hydroxybutyrate biodegradation (Kato et al . 2019). Considerably, no previous report suggests the explosives biodegradation aspect of these taxa, and our study is the first indication of a possible link in such environments.…”

Section: Resultsmentioning

confidence: 99%

Uncovering the structure and function of specialist bacterial lineages in environments routinely exposed to explosives

Pal

Mayilraj

Krishnamurthi

2022

Letters in Applied Microbiology

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Significance and Impact of the Study: This study is the first to provide an overall view of bacterial community structure and associated metabolic pathways in geographically distinct explosives-contaminated sites. In contrast to the previous reports, our findings showed the predominance of Planctomycetes in explosives-contaminated sites. We hypothesized that RDX and HMX concentrations could impart a notable impact on the bacterial community along with the associated metabolic genes.

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“…In particular, polyĲ3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) is expected to mitigate marine microplastic pollution efficiently because it is completely converted into CO 2 and water upon enzymatic degradation by microorganisms in the ocean. [4][5][6][7] PHBH has been extensively used to fabricate plastic bags and disposable straws, 8 and has been investigated for fiberization into micrometre-sized fibres using melt-spun blowing. 9,10 Electrospinning, an efficient method for obtaining nonwoven fabrics with nanometre-sized fibres, can also be applied to PHBH, but electrospun nonwoven PHBH fibres exhibit poor mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Seawater-degradable, tough, and fully bio-derived nonwoven polyester fibres reinforced with mechanically defibrated cellulose nanofibres

Yamagata

Nagakawa

Irie

et al. 2023

Environ. Sci.: Nano

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Poly 3-hydroxybutyrate-co-3-hydroxyhexanoate films can be degraded by the deep-sea microbes at high pressure and low temperature conditions

Cited by 16 publications

References 22 publications

Biodegradability of poly(3-hydroxyalkanoate) and poly(ε-caprolactone) via biological carbon cycles in marine environments

Biodegradability of poly(3-hydroxyalkanoate) and poly(ε-caprolactone) via biological carbon cycles in marine environments

Uncovering the structure and function of specialist bacterial lineages in environments routinely exposed to explosives

Seawater-degradable, tough, and fully bio-derived nonwoven polyester fibres reinforced with mechanically defibrated cellulose nanofibres

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