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Themed collection Plant responses to UV

17 items
Open Access Perspective

A perspective on ecologically relevant plant-UV research and its practical application

Plant UV research is at a juncture, whereby mechanistic knowledge of UV photoreceptor responses needs to be applied to ecologically relevant scenarios and put to practical use in plant production.

Graphical abstract: A perspective on ecologically relevant plant-UV research and its practical application
From the themed collection: Plant responses to UV
Perspective

Fossil pollen and spores as a tool for reconstructing ancient solar-ultraviolet irradiance received by plants: an assessment of prospects and challenges using proxy-system modelling

A systematic evaluation of the uncertainties limiting the application of UV-B-absorbing compounds in pollen and spores to reconstruct UV-B irradiance.

Graphical abstract: Fossil pollen and spores as a tool for reconstructing ancient solar-ultraviolet irradiance received by plants: an assessment of prospects and challenges using proxy-system modelling
From the themed collection: Plant responses to UV
Open Access Paper

Transmission of ultraviolet, visible and near-infrared solar radiation to plants within a seasonal snow pack

Ultraviolet radiation is transmitted better than longer wavelengths through the upper centimetres of a seasonal snowpack, where about 10% of the incident photosynthetically active radiation reaches 7 cm depth.

Graphical abstract: Transmission of ultraviolet, visible and near-infrared solar radiation to plants within a seasonal snow pack
From the themed collection: Plant responses to UV
Paper

No evidence of a protective or cumulative negative effect of UV-B on growth inhibition induced by gamma radiation in Scots pine (Pinus sylvestris) seedlings

No protective or cummulative negative effect of UV-B on gamma radiation-induced growth inhibition in Scots pine seedlings in spite of additional DNA damage in response to UV-B.

Graphical abstract: No evidence of a protective or cumulative negative effect of UV-B on growth inhibition induced by gamma radiation in Scots pine (Pinus sylvestris) seedlings
From the themed collection: Plant responses to UV
Open Access Paper

Regulation of Arabidopsis gene expression by low fluence rate UV-B independently of UVR8 and stress signaling

Exposure of Arabidopsis to a low fluence rate of UV-B regulates a set of genes independently of UVR8 and stress signaling.

Graphical abstract: Regulation of Arabidopsis gene expression by low fluence rate UV-B independently of UVR8 and stress signaling
From the themed collection: Plant responses to UV
Paper

Different irradiances of UV and PAR in the same ratios alter the flavonoid profiles of Arabidopsis thaliana wild types and UV-signalling pathway mutants

UVR8, COP1 and HY5 all play an important role in the accumulation of flavonoids as a response to UV irradiation.

Graphical abstract: Different irradiances of UV and PAR in the same ratios alter the flavonoid profiles of Arabidopsis thaliana wild types and UV-signalling pathway mutants
From the themed collection: Plant responses to UV
Paper

Hydroxycinnamic acids in sunflower leaves serve as UV-A screening pigments

Despite the weak absorption of hydroxycinnamic acids in the UV-A region, we found evidence that these compounds protect against damage induced by UV-A radiation in sunflowers.

Graphical abstract: Hydroxycinnamic acids in sunflower leaves serve as UV-A screening pigments
From the themed collection: Plant responses to UV
Paper

UV-B exposure reduces the activity of several cell wall-dismantling enzymes and affects the expression of their biosynthetic genes in peach fruit (Prunus persica L., cv. Fairtime, melting phenotype)

UV-B radiation reduces the softening of peach fruit, thus improving their quality and shelf-life.

Graphical abstract: UV-B exposure reduces the activity of several cell wall-dismantling enzymes and affects the expression of their biosynthetic genes in peach fruit (Prunus persica L., cv. Fairtime, melting phenotype)
From the themed collection: Plant responses to UV
Paper

UVR8-dependent reporters reveal spatial characteristics of signal spreading in plant tissues

We demonstrate the identification and application of molecular reporters and phenotypic traits to monitor the dynamics of the still largely unknown UVR8-dependent signalling pathways.

Graphical abstract: UVR8-dependent reporters reveal spatial characteristics of signal spreading in plant tissues
From the themed collection: Plant responses to UV
Open Access Paper

Responses of flavonoid profile and associated gene expression to solar blue and UV radiation in two accessions of Vicia faba L. from contrasting UV environments

The responses of growth, physiological traits, flavonoid profiles and gene expressions to solar blue and UV radiation differed in two accessions Aurora and ILB938 of Vicia faba.

Graphical abstract: Responses of flavonoid profile and associated gene expression to solar blue and UV radiation in two accessions of Vicia faba L. from contrasting UV environments
From the themed collection: Plant responses to UV
Paper

Photosynthetically-active radiation, UV-A and UV-B, causes both common and specific damage and photoprotective responses in the model liverwort Marchantia polymorpha subsp. ruderalis

Damage caused by high PAR and UV-B was balanced by protection mechanisms induced by the same radiations.

Graphical abstract: Photosynthetically-active radiation, UV-A and UV-B, causes both common and specific damage and photoprotective responses in the model liverwort Marchantia polymorpha subsp. ruderalis
From the themed collection: Plant responses to UV
Paper

UV regulates the expression of phenylpropanoid biosynthesis genes in cucumber (Cucumis sativus L.) in an organ and spectrum dependent manner

A combination of a substantial number of cis-acting regulatory elements (MREs, ACEs, and G-boxes) is present in promoters of copies of phenylpropanoid biosynthesis genes that show strongly enhanced expression under UV-B-containing light in Cucumis sativus.

Graphical abstract: UV regulates the expression of phenylpropanoid biosynthesis genes in cucumber (Cucumis sativus L.) in an organ and spectrum dependent manner
From the themed collection: Plant responses to UV
Paper

Effects of water availability and UV radiation on silicon accumulation in the C4 crop proso millet

In proso millet, water shortage reduced leaf silicon, calcium, phosphorus, and sulphur levels, and ambient ultraviolet radiation reinforced this effect.

Graphical abstract: Effects of water availability and UV radiation on silicon accumulation in the C4 crop proso millet
From the themed collection: Plant responses to UV
Paper

UV-A screening in Cladophora sp. lowers internal UV-A availability and photoreactivation as compared to non-UV screening in Ulva intestinalis

UV-A screening reduces UV-A-driven photoreactivation of UV-B-induced DNA damage in the green macroalga Cladophora sp.

Graphical abstract: UV-A screening in Cladophora sp. lowers internal UV-A availability and photoreactivation as compared to non-UV screening in Ulva intestinalis
From the themed collection: Plant responses to UV
Open Access Paper

A FRET method for investigating dimer/monomer status and conformation of the UVR8 photoreceptor

A Fluorescence Resonance Energy Transfer (FRET) method is used to monitor dimer/monomer status and conformation of both wild-type and mutant variants of the UV-B photoreceptor UVR8 in vivo.

Graphical abstract: A FRET method for investigating dimer/monomer status and conformation of the UVR8 photoreceptor
From the themed collection: Plant responses to UV
Paper

Single-dose β-aminobutyric acid treatment modifies tobacco (Nicotiana tabacum L.) leaf acclimation to consecutive UV-B treatment

β-Aminobutyric acid (BABA) pre-treatment affects acclimative plant responses to UV-B including leaf antioxidant capacities.

Graphical abstract: Single-dose β-aminobutyric acid treatment modifies tobacco (Nicotiana tabacum L.) leaf acclimation to consecutive UV-B treatment
From the themed collection: Plant responses to UV
Paper

Elevated air humidity increases UV mediated leaf and DNA damage in pea (Pisum sativum) due to reduced flavonoid content and antioxidant power

Growth in high relative air humidity causes diminished response to stomatal closing signals and increases susceptibility to UV-induced damage.

Graphical abstract: Elevated air humidity increases UV mediated leaf and DNA damage in pea (Pisum sativum) due to reduced flavonoid content and antioxidant power
From the themed collection: Plant responses to UV
17 items

About this collection

This collection highlights the breadth of research being undertaken to understand how plants respond to UV radiation in the environment. Some articles focus on the mechanisms of UV perception and the consequent regulation of gene expression and downstream responses, while others are concerned with ecological perspectives and applications in crop production.

The themed issue is based substantially on presentations given at the 2018 Network Meeting of UV4Plants, the international association for plant UV research, held in Bled, Slovenia. The meeting included workshop sessions involving researchers with diverse interests in plant UV research, which resulted in an extensive perspective article (see T. M. Robson et al.) integrating the broad spectrum of plant UV research and highlighting areas where future research could be directed.

Gareth I. Jenkins (Guest Editor)

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