Learning from purple photosynthetic bacteria – how to use solar energy to make fuels. London May 2010.

Learning from purple photosynthetic bacteria – how to use solar energy to

make fuels.Autumn in Glasgow

London May 2010

Global Energy Consumption, 20014.66

2.89 2.98

0.285

1.24

0.286

0.92

0

1

2

3

4

5

TW

Oil Coal Biomass NuclearGas Hydro Renew

Total: 13.2 TW

The essence of photosynthesis

ATP synthase

ATPADP + Pi

H+

H+

H+

H+

LH2 LH1

RC

Light

Cyt c

Q

Q

Q

Q

Q

Q

e-

e-e-

B800

B850 B880

Cytochrome b/c1

Cytoplasm

Periplasm

QB

Q

Q A

Q B

System of pigments in RC

Photosynthetic system of purple bacteria in the intracytoplasmic membrane

Fe

LH2 complex from Rps. acidophila

Pigment organisation in LH2

Artificial mimic of LH2

The structure of the RC from Rb. sphaeroides

Artificial RC triad

LH2

APS

Cover glass 25m

40μm

LH2

25m

Various patterns can be formed with controlled UV-irradiation.

fluorescence intensity profile

Confirmation of dot patterning of LH2 complex

Confirmed the formation 25μm dot patterns of LH2 on glass substrate.

This research has been funded by

BBSRC

EPSRC

DOE

HFSP

EU