Light and dark modulation of chlorophyll biosynthetic genes in response to temperature

Planta
Sasmita MohantyBaishnab C Tripathy

Abstract

Temperature and light significantly influence chloroplast development and chlorophyll biosynthesis. To understand the mechanism of the modulation of chlorophyll biosynthesis, the levels of transcripts and proteins of many enzymatic steps of tetrapyrrole biosynthesis in wheat and cucumber were simultaneously examined. The effect of low (chill-stress) as well as high (heat-stress) temperatures on dark- and light-grown seedlings was monitored. The protochlorophyllide oxidoreductase (POR) content was greatly reduced in response to light in control and heat-stressed seedlings. However, the POR level was not reduced in light-exposed chill-stressed seedlings. The genes for glutamate semialdehyde aminotransferase (gsa; cucumber), glutamyl-tRNA reductase (GluTR; cucumber), 5-aminolevulinic acid dehydratase (Ala D; cucumber and wheat) and for a subunit of Mg-chelatase (Chl I; wheat) showed a reduced expression in cold stress compared to controls and heat-stress conditions. Although expression of the ferrochelatase gene (Fch) and geranylgeranyl reductase gene (Chl P) was upregulated in light, they were downregulated by both chill- and heat-stress. Interestingly, gsa and uroporphyrinogen decarboxylase gene (UroD) and gene product abundance...Continue Reading

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Citations

May 1, 2009·Plant Physiology·Siddhartha DuttaBaishnab C Tripathy
Dec 11, 2013·PloS One·Weimin LiYuyang Wang
Feb 25, 2014·Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine·Yuwen WangGuoxiang Chen
Nov 6, 2010·Phytochemistry·Karina B BalestrasseGuillermo O Noriega
Apr 13, 2012·Plant, Cell & Environment·Vijay K Dalal, Baishnab C Tripathy
Mar 19, 2013·Plant, Cell & Environment·Ansuman RoyBaishnab C Tripathy
Aug 19, 2014·Physiologia Plantarum·Satpal Turan, Baishnab C Tripathy
Mar 23, 2011·Plant Science : an International Journal of Experimental Plant Biology·Estelle DumontBruno Delbreil
May 7, 2014·Journal of Photochemistry and Photobiology. B, Biology·Sonal MathurAnjana Jajoo
Oct 21, 2017·International Journal of Molecular Sciences·Xiaoli WangShaojun Dai
Jul 15, 2017·Frontiers in Plant Science·Shah FahadJianliang Huang
Oct 7, 2018·Protoplasma·Pratishtha Vedalankar, Baishnab C Tripathy
Jul 5, 2018·Frontiers in Plant Science·Gabriella SzalaiTibor Janda
Mar 12, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Jie WangChenggang Wang
Dec 29, 2020·The Plant Journal : for Cell and Molecular Biology·Tatjana KleineDario Leister
Feb 16, 2021·Frontiers in Plant Science·Izhar MuhammadFeng Bai Li
Apr 1, 2021·Scientific Reports·Matej VosnjakValentina Usenik

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