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Modulation of Chlorophyll Biosynthesis by Environmental Cues

  • Baishnab C. TripathyEmail author
  • Vijay Dalal
Chapter
Part of the Advances in Photosynthesis and Respiration book series (AIPH, volume 36)

Summary

Environmental signals control diverse physiological processes in plant growth and development. Plants tend to adapt the structure of photosynthetic apparatus and pigment composition in response to several environmental factors. Tetrapyrroles play vital roles in various biological processes, including photosynthesis and respiration. Expression of genes encoding enzymes of tetrapyrrol biosynthesis as well as the abundances and activities of the enzymes are severely impacted by availability of water, soil salinity, low or high temperature and low or high light intensity. Plastids share many cellular metabolic pathways and alterations of plastid functions by environmental signals are known to affect various aspects of plant development. The generation of reactive oxygen species (ROS) in plants is triggered by different kinds of environmental parameters, such as high light, high or low temperature, salinity, drought and nutrient deficiency. Imbalance between production of ROS and their detoxification by enzymatic and non-enzymatic reactions causes oxidative stress. Suitable genetic manipulation of the chlorophyll (Chl) biosynthetic pathway might lead to tolerance towards environmental stresses leading to oxidative stress at the cellular level, and efficient adaptation of the photosynthetic apparatus to low and high light intensities. The present review deals with environmental modulation of Chl biosynthesis and its impact on plant productivity.

Keywords

Prolamellar Body Chloroplast Biogenesis Shibata Shift PPIX Synthesis Etiolate Barley Leave 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Abbreviations:

ALA

5-Aminolevulinic acid;

ALAD

5-Aminolevulinic acid dehydratase;

CAO

Chloro­phyllide A oxygenase;

Chl

Chlorophyll;

Chlide

Chlorophyllide;

Coprox

Coproporphyrinogen oxidase;

CPO

Coproporphyrinogen oxidase;

DV

Divinyl;

DV-Pchlide

Divinyl protochlorophyllide;

DVR

Divinyl reductase;

FLU

Fluorescence;

GGPP

Geranyl geranyl pyrophosphate;

GluRS

Glutamyl-tRNA synthetase;

GluTR

Glutamyl-tRNA reductase;

GSA

Glutamate 1-semialdehyde;

GSA-AT

Glutamate 1-semialdehyde aminotransferase;

GUN

Genome uncoupled;

LHC II

Light-harvesting complex II;

Lin2

Lesion initiation 2;

lip1

Light-independent photomorphogenesis 1;

MPE

Mg-protoporphyrin IX monomethylester;

MTF

Mg-Protoporphyrin IX methyltransferase;

MV

Monovinyl;

MV-Pchlide

Monovinyl protochlorophyllide;

PBG

Porphobilinogen;

PBGD

Porphobilinogen deaminase;

Pchlide

Protochlorophyllide;

PhPP

Phytyl diphosphate;

PLBs

Prolamellar bodies;

POR

Protochlorophyllide oxido-reductase;

PPIX

Protoporphyrin IX;

Protogen IX

Protoporphyrinogen IX;

Protox

Protoporphyrinogen oxidase;

ROS

Reactive oxygen species;

SAM

S-adenosyl-methionine;

SDR

Short chain dehydrogenases/reductases;

tRNAglu

Glutamate conjugated tRNA;

Urogen III

Uroporphyrinogen III;

UROS

Uroporphyrinogen III synthase

Notes

Acknowledgments

Supported by a grant from the Department of Biotechnology, Government of India grant (BT/PR14827/BCE/08/841/2010), University Grants Commission capacity build up funds, and Department of Science and Technology purse grant from Jawaharlal Nehru University, New Delhi to BCT.

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© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.School of Life SciencesJawaharlal Nehru UniversityNew DelhiIndia

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