Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light
Аутори
Vidović, MarijaMorina, Filis
Milić, Sonja
Zechmann, Bernd
Albert, Andreas
Winkler, Jana Barbro
Veljović-Jovanović, Sonja
Чланак у часопису (Рецензирана верзија)
Метаподаци
Приказ свих података о документуАпстракт
We used variegated Plectranthus coleoides as a model plant with the aim of clarifying whether the effects of realistic ultraviolet-B (UV-B) doses on phenolic metabolism in leaves are mediated by photosynthesis. Plants were exposed to UV-B radiation (0.90Wm(-2)) combined with two photosynthetically active radiation (PAR) intensities [395 and 1350molm(-2)s(-1), low light (LL) and high light (HL)] for 9d in sun simulators. Our study indicates that UV-B component of sunlight stimulates CO2 assimilation and stomatal conductance, depending on background light. UV-B-specific induction of apigenin and cyanidin glycosides was observed in both green and white tissues. However, all the other phenolic subclasses were up to four times more abundant in green leaf tissue. Caffeic and rosmarinic acids, catechin and epicatechin, which are endogenous peroxidase substrates, were depleted at HL in green tissue. This was correlated with increased peroxidase and ascorbate peroxidase activities and increased... ascorbate content. The UV-B supplement to HL attenuated antioxidative metabolism and partly recovered the phenolic pool indicating stimulation of the phenylpropanoid pathway. In summary, we propose that ortho-dihydroxy phenolics are involved in antioxidative defence in chlorophyllous tissue upon light excess, while apigenin and cyanidin in white tissue have preferentially UV-screening function.
Кључне речи:
variegated plants / UV-B radiation / photosynthesis / high light / flavonoids / cyanidin / chloroplast ultrastructure / ascorbateИзвор:
Plant Cell and Environment, 2015, 38, 5, 968-979Издавач:
- Wiley, Hoboken
Финансирање / пројекти:
- Модификације антиоксидативног метаболизма биљака са циљем повећања толеранције на абиотски стрес и идентификација нових биомаркера са применом у ремедијацији и мониторингу деградираних станишта (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43010)
- Austrian Science Fund (FWF) [P 22988] Funding Source: researchfish
Напомена:
- This is the peer reviewed version of the paper: Vidović, M., Morina, F., Milić, S., Zechmann, B., Albert, A., Winkler, J. B., & Veljović Jovanović, S. (2015). Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light. Plant, Cell & Environment, 38(5), 968–979. https://doi.org/10.1111/pce.12471
Повезане информације:
- Друга верзија
https://imagine.imgge.bg.ac.rs/handle/123456789/878 - Друга верзија
https://doi.org/10.1111/pce.12471
DOI: 10.1111/pce.12471
ISSN: 0140-7791
PubMed: 25311561
WoS: 000353898400011
Scopus: 2-s2.0-84927779140
Институција/група
Institut za molekularnu genetiku i genetičko inženjerstvoTY - JOUR AU - Vidović, Marija AU - Morina, Filis AU - Milić, Sonja AU - Zechmann, Bernd AU - Albert, Andreas AU - Winkler, Jana Barbro AU - Veljović-Jovanović, Sonja PY - 2015 UR - https://imagine.imgge.bg.ac.rs/handle/123456789/1610 AB - We used variegated Plectranthus coleoides as a model plant with the aim of clarifying whether the effects of realistic ultraviolet-B (UV-B) doses on phenolic metabolism in leaves are mediated by photosynthesis. Plants were exposed to UV-B radiation (0.90Wm(-2)) combined with two photosynthetically active radiation (PAR) intensities [395 and 1350molm(-2)s(-1), low light (LL) and high light (HL)] for 9d in sun simulators. Our study indicates that UV-B component of sunlight stimulates CO2 assimilation and stomatal conductance, depending on background light. UV-B-specific induction of apigenin and cyanidin glycosides was observed in both green and white tissues. However, all the other phenolic subclasses were up to four times more abundant in green leaf tissue. Caffeic and rosmarinic acids, catechin and epicatechin, which are endogenous peroxidase substrates, were depleted at HL in green tissue. This was correlated with increased peroxidase and ascorbate peroxidase activities and increased ascorbate content. The UV-B supplement to HL attenuated antioxidative metabolism and partly recovered the phenolic pool indicating stimulation of the phenylpropanoid pathway. In summary, we propose that ortho-dihydroxy phenolics are involved in antioxidative defence in chlorophyllous tissue upon light excess, while apigenin and cyanidin in white tissue have preferentially UV-screening function. PB - Wiley, Hoboken T2 - Plant Cell and Environment T1 - Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light EP - 979 IS - 5 SP - 968 VL - 38 DO - 10.1111/pce.12471 ER -
@article{ author = "Vidović, Marija and Morina, Filis and Milić, Sonja and Zechmann, Bernd and Albert, Andreas and Winkler, Jana Barbro and Veljović-Jovanović, Sonja", year = "2015", abstract = "We used variegated Plectranthus coleoides as a model plant with the aim of clarifying whether the effects of realistic ultraviolet-B (UV-B) doses on phenolic metabolism in leaves are mediated by photosynthesis. Plants were exposed to UV-B radiation (0.90Wm(-2)) combined with two photosynthetically active radiation (PAR) intensities [395 and 1350molm(-2)s(-1), low light (LL) and high light (HL)] for 9d in sun simulators. Our study indicates that UV-B component of sunlight stimulates CO2 assimilation and stomatal conductance, depending on background light. UV-B-specific induction of apigenin and cyanidin glycosides was observed in both green and white tissues. However, all the other phenolic subclasses were up to four times more abundant in green leaf tissue. Caffeic and rosmarinic acids, catechin and epicatechin, which are endogenous peroxidase substrates, were depleted at HL in green tissue. This was correlated with increased peroxidase and ascorbate peroxidase activities and increased ascorbate content. The UV-B supplement to HL attenuated antioxidative metabolism and partly recovered the phenolic pool indicating stimulation of the phenylpropanoid pathway. In summary, we propose that ortho-dihydroxy phenolics are involved in antioxidative defence in chlorophyllous tissue upon light excess, while apigenin and cyanidin in white tissue have preferentially UV-screening function.", publisher = "Wiley, Hoboken", journal = "Plant Cell and Environment", title = "Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light", pages = "979-968", number = "5", volume = "38", doi = "10.1111/pce.12471" }
Vidović, M., Morina, F., Milić, S., Zechmann, B., Albert, A., Winkler, J. B.,& Veljović-Jovanović, S.. (2015). Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light. in Plant Cell and Environment Wiley, Hoboken., 38(5), 968-979. https://doi.org/10.1111/pce.12471
Vidović M, Morina F, Milić S, Zechmann B, Albert A, Winkler JB, Veljović-Jovanović S. Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light. in Plant Cell and Environment. 2015;38(5):968-979. doi:10.1111/pce.12471 .
Vidović, Marija, Morina, Filis, Milić, Sonja, Zechmann, Bernd, Albert, Andreas, Winkler, Jana Barbro, Veljović-Jovanović, Sonja, "Ultraviolet-B component of sunlight stimulates photosynthesis and flavonoid accumulation in variegated Plectranthus coleoides leaves depending on background light" in Plant Cell and Environment, 38, no. 5 (2015):968-979, https://doi.org/10.1111/pce.12471 . .