princeton environmental institute bender lab, department of geosciences princeton university natalie...
TRANSCRIPT
Princeton Environmental Institute
Bender Lab,Department of GeosciencesPrinceton University
Natalie SaenzAdvisors: Dr. Paul GauthierProf. Michael Bender
Shedding Light on Plant Respiration
Introduction
Bringing the Kok effect to light: A review on the integration of daytime respiration and net ecosystem exchange. (2013)M. Heskel, O. Atkin, M. Turnbull, K. Griffin
Plant Metabolism: Respiration
Methods Stable Isotope Analyses
Results
0 100 200 300 400 500 600 700-2
2
6
10
14
-0.008
-0.006
-0.004
-0.002
0
C1: Carbon Assimi-lation and d13C light response
0 100 200 300 400 500 600 700
-4-202468
1012
00.0050.010.0150.020.0250.030.0350.04
C6: Carbon Assimilation and d13C light response
C Assimilationd13C
0 100 200 300 400 500 600 700-2
0
2
4
6
8
10
12
14
-0.014
-0.012
-0.01
-0.008
-0.006
-0.004
-0.002
0
Control: Carbon Assimilation and d13C light response
C Assimilationd13C
ConclusionThe Kok effect does have a metabolic basis most likely linked to cellular respiration inhibition in the light
Many thanks to Prof. Michael Bender and Dr. Paul Gauthier for their guidance, support, patience, and mentoring
PEI for making the summer internship possible
Acknowledgements