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Volume 9
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10.3390/f9020074
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Article

Night Light-Adaptation Strategies for Photosynthetic Apparatus in Yellow-Poplar (Liriodendron tulipifera L.) Exposed to Artificial Night Lighting

by
Myeong Ja Kwak
1,
Sun Mi Je
1,
Hyo Cheng Cheng
1,
Se Myeong Seo
2,
Jeong Ho Park
1,
Saeng Geul Baek
1,
Inkyin Khaine
1,
Taeyoon Lee
1,
Jihwi Jang
1,
Yang Li
1,
Haenaem Kim
1,
Jong Kyu Lee
1,
Jieun Kim
1 and
Su Young Woo
1,*
1
Department of Environmental Horticulture, University of Seoul, Seoul 02504, Korea
2
Korea Forestry Promotion Institute, Seoul 07570, Korea
*
Author to whom correspondence should be addressed.
Forests 2018, 9(2), 74; https://doi.org/10.3390/f9020074
Submission received: 30 December 2017 / Revised: 28 January 2018 / Accepted: 30 January 2018 / Published: 2 February 2018
(This article belongs to the Special Issue Tree Ecophysiology: Responses and Adaptation to a Changing Environment)
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Abstract

Plants can undergo external fluctuations in the natural light and dark cycle. The photosynthetic apparatus needs to operate in an appropriate manner to fluctuating environmental factors, especially in light. Yellow-poplar seedlings were exposed to nighttime artificial high-pressure sodium (HPS) lighting to evaluate night light-adaptation strategies for photosynthetic apparatus fitness relative to pigment contents, photosystem II photochemistry, photosynthetic parameters, histochemical analysis of reactive oxygen species, and plant biomass. As a result, seedlings exhibited dynamic changes including the enhancement of accessory pigments, the reduction of photosystem II photochemistry, increased stomatal limitation, downregulation of photosynthesis, and the decreased aboveground and belowground biomass under artificial night lighting. Histochemical analysis with 3,3′-diaminobenzidine (DAB) and nitroblue tetrazolium (NBT) staining indicates the accumulation of in situ superoxide radicals (O2−) and hydrogen peroxide (H2O2) in leaves exposed to the lowest level of artificial night lighting compared to control. Moreover, these leaves exposed to artificial night lighting had a lower nighttime respiration rate. These results indicated that HPS lighting during the night may act as a major factor as repressors of the fitness of photosynthesis and growth patterns, via a modification of the photosynthetic light harvesting apparatus.
Keywords: artificial night lighting; chlorophyll a fluorescence transient; photosynthesis related parameters; photosystem II photochemistry; reactive oxygen species artificial night lighting; chlorophyll a fluorescence transient; photosynthesis related parameters; photosystem II photochemistry; reactive oxygen species

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MDPI and ACS Style

Kwak, M.J.; Je, S.M.; Cheng, H.C.; Seo, S.M.; Park, J.H.; Baek, S.G.; Khaine, I.; Lee, T.; Jang, J.; Li, Y.; et al. Night Light-Adaptation Strategies for Photosynthetic Apparatus in Yellow-Poplar (Liriodendron tulipifera L.) Exposed to Artificial Night Lighting. Forests 2018, 9, 74. https://doi.org/10.3390/f9020074

AMA Style

Kwak MJ, Je SM, Cheng HC, Seo SM, Park JH, Baek SG, Khaine I, Lee T, Jang J, Li Y, et al. Night Light-Adaptation Strategies for Photosynthetic Apparatus in Yellow-Poplar (Liriodendron tulipifera L.) Exposed to Artificial Night Lighting. Forests. 2018; 9(2):74. https://doi.org/10.3390/f9020074

Chicago/Turabian Style

Kwak, Myeong Ja, Sun Mi Je, Hyo Cheng Cheng, Se Myeong Seo, Jeong Ho Park, Saeng Geul Baek, Inkyin Khaine, Taeyoon Lee, Jihwi Jang, Yang Li, and et al. 2018. "Night Light-Adaptation Strategies for Photosynthetic Apparatus in Yellow-Poplar (Liriodendron tulipifera L.) Exposed to Artificial Night Lighting" Forests 9, no. 2: 74. https://doi.org/10.3390/f9020074

APA Style

Kwak, M. J., Je, S. M., Cheng, H. C., Seo, S. M., Park, J. H., Baek, S. G., Khaine, I., Lee, T., Jang, J., Li, Y., Kim, H., Lee, J. K., Kim, J., & Woo, S. Y. (2018). Night Light-Adaptation Strategies for Photosynthetic Apparatus in Yellow-Poplar (Liriodendron tulipifera L.) Exposed to Artificial Night Lighting. Forests, 9(2), 74. https://doi.org/10.3390/f9020074

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