Preillumination of lettuce seedlings with red light enhances the resistance of photosynthetic apparatus to UV-A

Vladimir D. Kreslavski, Valery Yu Lyubimov, Galina N. Shirshikova, Alexander N. Shmarev, Anatoly A. Kosobryukhov, Franz Josef Schmitt, Thomas Friedrich, Suleyman Allakhverdiev

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Seedlings of 10-day-old lettuce (Lactuca sativa L., cultivar Berlin) were preilluminated by low intensity red light (λmax = 660 nm, 10 min, 5 μmol quanta m-2 s-1) and far-red light (λmax = 730 nm, 10 min, 5 μmol quanta m-2 s -1) to study the effect of pre-treatment on photosynthesis, photochemical activity of photosystem II (PSII), the contents of photosynthetic and UV-A-absorbing pigments (UAPs) and H2O2, as well as total and ascorbate peroxidase activities in cotyledonary leaves of seedlings exposed to UV-A. UV radiation reduced the photosynthetic rate (Pn), the activity of PSII, and the contents of Chl a and b, carotenoids and UAPs in the leaves, but increased the content of H2O2 and the total peroxidase activity. Preillumination with red light removed these effects of UV. In turn, the illumination with red light, then far-red light removed the effect of the red light. Illumination with red light alone increased the content of UAPs, as well as peroxidase activity. It is suggested that higher resistance of the lettuce photosynthetic apparatus to UV-A radiation is associated with involvement of the active form of phytochrome B, thereby increasing peroxidase activities as well as UAPs and saving preservation of photosynthetic pigment contents due to pre-illumination with red light.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Photochemistry and Photobiology B: Biology
Volume122
DOIs
Publication statusPublished - May 5 2013
Externally publishedYes

Fingerprint

Lettuce
Seedlings
Light
pigments
Lighting
Peroxidase
Photosystem II Protein Complex
illumination
leaves
Phytochrome B
phytochrome
Radiation
Ascorbate Peroxidases
carotenoids
photosynthesis
Photosynthesis
high resistance
Berlin
radiation
Carotenoids

Keywords

  • Lactuca sativa L.
  • Peroxidase activity
  • Photosynthetic apparatus
  • Phytochrome
  • Stress-resistance
  • UV-A radiation

ASJC Scopus subject areas

  • Biophysics
  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

Cite this

Kreslavski, V. D., Lyubimov, V. Y., Shirshikova, G. N., Shmarev, A. N., Kosobryukhov, A. A., Schmitt, F. J., ... Allakhverdiev, S. (2013). Preillumination of lettuce seedlings with red light enhances the resistance of photosynthetic apparatus to UV-A. Journal of Photochemistry and Photobiology B: Biology, 122, 1-6. https://doi.org/10.1016/j.jphotobiol.2013.02.016

Preillumination of lettuce seedlings with red light enhances the resistance of photosynthetic apparatus to UV-A. / Kreslavski, Vladimir D.; Lyubimov, Valery Yu; Shirshikova, Galina N.; Shmarev, Alexander N.; Kosobryukhov, Anatoly A.; Schmitt, Franz Josef; Friedrich, Thomas; Allakhverdiev, Suleyman.

In: Journal of Photochemistry and Photobiology B: Biology, Vol. 122, 05.05.2013, p. 1-6.

Research output: Contribution to journalArticle

Kreslavski, VD, Lyubimov, VY, Shirshikova, GN, Shmarev, AN, Kosobryukhov, AA, Schmitt, FJ, Friedrich, T & Allakhverdiev, S 2013, 'Preillumination of lettuce seedlings with red light enhances the resistance of photosynthetic apparatus to UV-A', Journal of Photochemistry and Photobiology B: Biology, vol. 122, pp. 1-6. https://doi.org/10.1016/j.jphotobiol.2013.02.016
Kreslavski, Vladimir D. ; Lyubimov, Valery Yu ; Shirshikova, Galina N. ; Shmarev, Alexander N. ; Kosobryukhov, Anatoly A. ; Schmitt, Franz Josef ; Friedrich, Thomas ; Allakhverdiev, Suleyman. / Preillumination of lettuce seedlings with red light enhances the resistance of photosynthetic apparatus to UV-A. In: Journal of Photochemistry and Photobiology B: Biology. 2013 ; Vol. 122. pp. 1-6.
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abstract = "Seedlings of 10-day-old lettuce (Lactuca sativa L., cultivar Berlin) were preilluminated by low intensity red light (λmax = 660 nm, 10 min, 5 μmol quanta m-2 s-1) and far-red light (λmax = 730 nm, 10 min, 5 μmol quanta m-2 s -1) to study the effect of pre-treatment on photosynthesis, photochemical activity of photosystem II (PSII), the contents of photosynthetic and UV-A-absorbing pigments (UAPs) and H2O2, as well as total and ascorbate peroxidase activities in cotyledonary leaves of seedlings exposed to UV-A. UV radiation reduced the photosynthetic rate (Pn), the activity of PSII, and the contents of Chl a and b, carotenoids and UAPs in the leaves, but increased the content of H2O2 and the total peroxidase activity. Preillumination with red light removed these effects of UV. In turn, the illumination with red light, then far-red light removed the effect of the red light. Illumination with red light alone increased the content of UAPs, as well as peroxidase activity. It is suggested that higher resistance of the lettuce photosynthetic apparatus to UV-A radiation is associated with involvement of the active form of phytochrome B, thereby increasing peroxidase activities as well as UAPs and saving preservation of photosynthetic pigment contents due to pre-illumination with red light.",
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