Arsenic Stress in Plants: An Inside Story - Crop Improvement: New Approaches and Modern Techniques - page 384

Table 13.2 ( Continued )

Biochemical reaction
altered by arsenic

Steps of the reaction Plant species References

Replacement of 1,3 diphoshogyceric acid with 3-arseno glcerate
(uncoupling of ATP synthesis)

Arabidopsis thaliana Abercrombie et al. ( 2008 )

Rice Norton et al. ( 2008 ) and Chakrab-

arty et al. ( 2009 )

Citric acid cycle As III blocks the enzymes mt PDC, OGDC, GDC,PDC and

block the respiration and its products

Potato Araújo et al. ( 2008 )

Disturbance in glycolytic and citric acid cycle metabolite pool
by Increase in abundance of the succinyl-CoA synthetase α
subunit

Maize Requejo and Tena ( 2005 )

Decrease activity of mt PDC resulting in 2-oxoglutarate and
pyruvate metabolism

Arabidopsis thaliana Chen et al. ( 2010 )

Loss of melate dehydrogenase and ATP synthase FAd subunit maize Requejo and Tena ( 2005 )

Inhibition of dark respiration alfalfa Porter and Sheridan ( 1981 )

Respiratory O 2 consumption was more resistant to As V supply,
than photosynthetic O 2 evolution

Rice Marin et al. ( 1993 )

AsV-dependent uncoupling of ATP synthesis and formation of
ADP-As V from electron transport chain

Brassica oleracea L.
Beta vulgaris L.

Wickes and Wiskich ( 1975 )

Failed to induce AOX transcripts during microarray studies Arabidopsis Abercrombie et al. ( 2008 )

Rice Norton et al. ( 2008 ) and Chakrab-

arty et al. ( 2009 )

A homolog to the Arabidopsis NDA1 alternative NAD (P) H
dehydrogenase induced at the transcript level by both AsV
and AsIII

Rice Chakrabarty et al. ( 2009 )

Mitochondrial substrate carrier protein dicarboxylate
carrier2(DIC2) get repressed

Arabidopsis Abercrombie et al. ( 2008 )

Decreased amount of mitochondrial ATP synthatase subunit Agrostis tenuis Duquesnoy et al. ( 2009 )