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Table 4 Assessment of PHA, TAG and bioproducts from PET degradation products and pollutants feedstocks from various microbial source

From: Upcycling depolymerized PET waste into polyhydroxyalkanoates and triacylglycerols by a newly isolated Rhodococcus sp. strain

Microbial source

Substrate

Cultivation mode

Time (h)

Biomass (g/L)

PHA

(wt. %)

TAG

(wt. %)

Bioproducts

Reference

Rhodococcus

sp. Ave7

REX-TPA

Bioreactor

28–73

2.67–3.85

3.05–15.0

13.45–16.26

PHBV

TAG

This study

Rhodococcus pyridinivorans P23

TPA

Erlenmeyer

24–96

2.14

15

n.a

PHBV

[42]

Disodium terephthalate

2.65

23.8

n.a

Priesta sp.

REX-TPA

Shake Flask

n.a

1.06

4.14

n.a

PHA

[65]

Streptomyces sp.

n.a

1.39

0.32

n.a

Pseudomonas umsongensis GO16 KS3

Hydrolyzed PET

Bioreactor

28

2.3

7

n.a

mcl-PHA

HAAs

[27]

Engineered Pseudomonas putida AW165

BHET

Bioreactor

96

n.a

n.a

n.a

β-ketoadipic acid

[32]

Engineered Pseudomonas stutzeri TPA3P

BHET

Erlenmeyer

54

3.54

3.66

n.a

PHB

[28]

Pseudomonas umsongensis GO16

Sodium terephthalate

Shake Flask

48

3.5

27

n.a

mcl-PHA

[26]

Pseudomonas putida GO19

3.5

23

n.a

Pseudomonas frederiksbergensis GO23

4

14

n.a

Pseudomonas umsongensis GO16

Sodium terephthalate

Fed-batch Bioreactor

48

8.7

30

n.a

mcl-PHA

[25]

Sodium terephthalate supplemented with waste glycerol

Fed-batch Bioreactor

48

14.3

36

n.a

mcl-PHA

15.1

35

n.a

14.1

35

n.a

11.7

36

n.a

Pseudomonas putida F1

Benzene

Shake flask

48

0.34

22

n.a

mcl-PHA

[66]

Toluene

0.72

15

n.a

Ethylbenzene

0.67

14

n.a

Pseudomonas putida MT-2

Toluene

Shake flask

48

0.37

22

n.a

Xylene

0.53

26

n.a

Consortium of Pseudomonas putida (F1 + mt-2 + CA-3)

BTEXS mixture

Batch Bioreactor

48

1.03

24

n.a

Rhodococcus aetherivorans IAR1

Toluene

Erlenmeyer

80

2.5

10

24

PHBV

TAG

[40]

Rhodococcus

jostii RHA 1

Hexadecane

Erlenmeyer

n.a

n.a

Tr

30.4

PHBV

TAG

[51]

Hexadecane + Hexadecanol

n.a

n.a

Tr

7.0

Rhodococcus sp. A5

Hexadecane

Erlenmeyer

48

n.a

Tr

1.3–1.9

32

PHA

TAG

[67]

Rhodococcus

opacus PD630

Petroleum wastewater supplemented with molasses

Bioreactor

96

5.91

n.a

52.5

Lipids

[68]

7.24

n.a

54.4

Rhodococcus sp. 602

n-hexadecane

Erlenmeyer

48

n.a

n.a

22.3

PHA

TAG

[69]

Benzoate

n.a

8.2

64.9

  1. EG ethylene glycol, HAAs hydroxyalkanoyloxy-alkanoates monomers, BHET commercial bis(2-hydroxyethyl) TPA, BTEXS benzene, toluene, ethylbenzene, p-xylene, PHBV poly(3-hydroxybutyrate-co-3-hydroxyvalerate); n.a. not available, tr traces
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Biotechnology for the Environment

ISSN: 2948-2356

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