Growth under UV-B radiation increases tolerance to high-light stress in pea and bean plants

Bolink, EM; Schalkwijk, [No Value] van; Posthumus, Freek; Hasselt, PR van

doi:10.1007/978-94-017-2892-8_14

Cited by 21 publications

(20 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…non-significant). 315 nm wavelength (Bolink et al, 2001;Hakala-Yatkin et al, 2010). The general role of optical screening by epidermal UV-absorbing pigments, presumably flavonoids, in photoprotection was confirmed (e.g.…”

Section: Flavonoids and Protection Against Hrsmentioning

confidence: 78%

“…The general role of optical screening by epidermal UV-absorbing pigments, presumably flavonoids, in photoprotection was confirmed (e.g. Adamse and Britz, 1996;Bolink et al, 2001;Kataria et al, 2014).…”

Section: Flavonoids and Protection Against Hrsmentioning

confidence: 87%

“…Therefore, UV-induced accumulation of flavonoids and upregulation of PS II repair capacity (Sicora et al, 2003;Xu and Gao, 2010) may have the potential to increase the photoprotective capacity of plants exposed to excessive radiation. Several studies have indeed implicated UV radiation in the induction of enhanced photoprotection against both high PAR and UV (Bolink et al, 2001;Hakala-Yattkin et al, 2010;Wargent et al, 2011).…”

Section: Introductionmentioning

confidence: 97%

“…UV-B has been also reported to cause alterations in leaf morphology (reviewed in Jansen, 2002;Robson et al, 2014) and stomatal function (Nogues et al, 1999;Urban et al, 2006); changes which may indirectly reduce photosynthetic rates through decreases in light interception and availability of CO 2 , respectively. However, there is now growing evidence that photosynthetic rates can be sustained under realistic doses of UV radiation, thanks to the induction of enhanced photoprotection (Bolink et al, 2001;HakalaYatkin et al, 2010;Wargent et al, 2011) or the induction of photorepair processes leading to the recovery of photochemical yield (Xu and Gao, 2010).…”

Section: Introductionmentioning

confidence: 98%

See 3 more Smart Citations

Ultraviolet and photosynthetically active radiation can both induce photoprotective capacity allowing barley to overcome high radiation stress

Klem

Holub

Štroch

et al. 2015

Plant Physiology and Biochemistry

View full text Add to dashboard Cite

Section: Flavonoids and Protection Against Hrsmentioning

confidence: 78%

Section: Flavonoids and Protection Against Hrsmentioning

confidence: 87%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 98%

See 2 more Smart Citations

Ultraviolet and photosynthetically active radiation can both induce photoprotective capacity allowing barley to overcome high radiation stress

Klem

Holub

Štroch

et al. 2015

Plant Physiology and Biochemistry

View full text Add to dashboard Cite

“…The same phenomenon was observed by Younis et al (2010) with overlapping antioxidant responses for high light and UV in broad bean seedlings. Bolink et al (2001) showed the reverse: growth under UV-B radiation increased photoprotection in high light situations in both pea and bean plants based on elevated thiol and UV-absorbing compound concentrations. This suggests the possibility of a synergy in high light and UV responses in plants exposed to sunlight, with acclimation to high light helping to cope with solar UV and vice versa.…”

Section: Discussionmentioning

confidence: 99%

Existing antioxidant levels are more important in acclimation to supplemental UV-B irradiation than inducible ones: Studies with high light pretreated tobacco leaves

Majer¹,

Hideg²

2012

ejfa

View full text Add to dashboard Cite

Greenhouse grown tobacco plants were exposed to supplemental ultraviolet irradiation (280-400 nm, UV-B centered) for 6 days and changes in their photosynthesis (gas exchange and electron transport) and general and specific antioxidant activities were measured. UV irradiation corresponded to 8.95 kJ m-2 d-1 biologically effective dose and was supplemented to below ambient (200 µmol m-2 s-1 photon flux density) photosynthetic photon flux density (PPFD, 400-700 nm). Two groups of plants, which were different in their leaf antioxidant capacities due to one of them having been acclimated to high irradiance (1000 µmol m-2 s-1 PPFD) before the UV treatment, responded differently. High light pretreated leaves lost approximately 25% of photosynthetic activity during the UV exposure and showed no change either in the amounts of UV-absorbing pigments or antioxidant levels. On the other hand, leaves which were exposed to UV irradiation without the preceding high light acclimation had 60% lower photosynthesis by the end of the treatment, and increased antioxidant activities. Our results emphasize the importance of base antioxidant levels over inducible pools in leaf responses to low doses of UV irradiation and may also contribute to hypotheses on acclimation under field conditions.

show abstract

Separation and quantification of the cellular thiol pool of pea plants treated with heat, salt and atrazine

Ivanov¹,

Kerchev²

2007

Phytochemical Analysis

View full text Add to dashboard Cite

A novel procedure for the separation of the cellular thiol pool according to the molecular weight and localization of compounds with sulphydryl groups is presented. This simple and rapid method allows the differentiation of thiols into three major fractions-low molecular weight (LMT, primarily glutathione and free cysteine), protein-bound (TPT) and pellet-bound (PBT, associated with cell walls and broken organelles). Moreover, determination of the ratio between surface (readily reactive) thiols (ATG) and those that are more or less buried in the protein structure (BTG) can be achieved. In intact pea leaves, the amounts of the total thiols (LMT+PBT+TPT) varies from 2.5 to 4.8 micromol/g of fresh material. The data for LMT, PBT and TPT were related to each other in the approximate ratio 1:2:7. Treatments of pea plants with high temperature, salinity and low amounts of atrazine affect these sulphydryl types differently. For a greater understanding of the applicability of this method to physiological research, the main mechanisms leading to alterations in the cellular thiol pool are discussed. Furthermore, it is suggested that the proportion of available to buried thiols (ATG/BTG) in proteins could be used as a convenient marker for stress impacts.

show abstract

Growth under UV-B radiation increases tolerance to high-light stress in pea and bean plants

Cited by 21 publications

References 28 publications

Ultraviolet and photosynthetically active radiation can both induce photoprotective capacity allowing barley to overcome high radiation stress

Ultraviolet and photosynthetically active radiation can both induce photoprotective capacity allowing barley to overcome high radiation stress

Existing antioxidant levels are more important in acclimation to supplemental UV-B irradiation than inducible ones: Studies with high light pretreated tobacco leaves

Separation and quantification of the cellular thiol pool of pea plants treated with heat, salt and atrazine

Contact Info

Product

Resources

About