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Table 1 Ethylene productivities in EFE-expressing microbes

From: Ethylene-forming enzyme and bioethylene production

Host

Native, vector, or integrated EFE expression

Promoter

Temperature, °C

Feedstock

Rate of ethylene production. (μmol/gCDW/h)

Ref.

Pseudomonas syringae (Kudzu)

Native

Kudzu

30

LB + 0.5% glucose

39.0

18

P. syringae (Kudzu)

Native + vector (RS1010)

Kudzu, npt

30

LB + 0.5% glucose

312.0

18

Escherichia coli (JM109)

Vector (pUC19)

Kudzu

37

Modified LB

10.9

15

E. coli (DH5α)

Vector (pUC18)

lac

25

LB

625.0

16

E. coli (JM109)

Vector (pBR322)

tac

25

LB

412.9

16

E. coli (JM109)

Vector (RS1010)

npt

30

LB + 0.5% glucose

55.2

18

E. coli (DH5α)

Vector (RS1010)

lac/trc

30

LB

22.8

26

E. coli (MG155)

Vector (pBR322)

psbA

30

M9 + 1% glucose

30.0

UP

Saccharomyces cerevisiae (batch)

Vector (pYX212)

tpi

30

YNB + 1% glucose + glutamate

21.4

17

S. cerevisiae (chemostat)

Vector (pYX212)

tpi

30

CBS + 1% glucose + (NH4)2SO4

1083.8

42

S. cerevisiae (chemostat)

Vector (pYX212)

tpi

30

CBS + 1% glucose + glutamate

1151.5

41

S. cerevisiae (chemostat)

Vector (pYX212)

tpi

30

CBS + 1% glucose + glutamate + arginine

492.0

42

Synechococcus 7942

Vector (pUC303)

psbA1

25

BG11

84.8

23

Synechococcus 7942

Integrated (psbAI)

psbA1

28

BG11

80.5

24

Synechocystis 6803

Vector (RS1010)

lac/trc

30

BG11

26.0

26

Synechocystis 6803

Integrated (slr0168)

psbA

30

BG11

111.6

UP

Trichoderma viride

Integrated (random)

cbhI

30

MM + 2% cellulose +0.2% peptone

0.093

19

Trichoderma reesei

Integrated (random)

pgk

30

MM + 2% wheat straw

0.716

20

Pseudomonas putida

Vector (RS1010)

npt

30

LB + 0.5% glucose

1050.0

18

P. putida

Integrated (five 16S rDNA sites) + vector (pBBR1MCS2)

rrn

28

LB

2859.2

48

  1. For comparison, reported rates have been converted to μmol/gCDW/h.
  2. CDW, cell dry weight; EFE, ethylene-forming enzyme.