Light and temperature shape nuclear architecture and gene expression

Kaiserli, Eirini; Perrella, Giorgio; Davidson, Mhairi L. H.

doi:10.1016/j.pbi.2018.05.018

Cited by 25 publications

(24 citation statements)

References 65 publications

(132 reference statements)

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“…Given that environmental stimuli such as light and temperature, can alter gene expression [26], we investigated whether modest changes in light intensity or temperature would affect gene expression variations. Exposure of seedlings to a relatively strong light intensity perturbed both trichome and stomata distribution patterns ( Fig.…”

Section: Gene Expression Variations Between Cells Increase At Elevatementioning

confidence: 99%

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Leaf trichome distribution pattern inArabidopsisreveals gene expression variation associated with environmental adaptation

Okamoto

Negishi

Toyama

et al. 2020

Preprint

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AbstractGene expression varies stochastically even in both heterogenous and homogeneous cell populations. This variation is not simply useless noise; rather, it is important for many biological processes. Unicellular organisms or cultured cell lines are useful for analyzing the variation in gene expression between cells; however, owing to technical challenges, the biological relevance of this variation in multicellular organisms such as higher plants remains unclear. Here, we addressed the biological relevance of this variation between cells by examining the genetic basis of trichome distribution patterns in Arabidopsis thaliana. The distribution pattern of a trichome on a leaf is stochastic and can be mathematically represented using Turing’s reaction-diffusion (RD) model. We analyzed simulations based on the RD model and found that the variability in the trichome distribution pattern increased with the increase in stochastic variation in a particular gene expression. Moreover, differences in heat-dependent variability of the trichome distribution pattern between the accessions showed a strong correlation with environmental factors to which each accession was adapted. Taken together, we successfully visualized variations in gene expression by quantifying the variability in the Arabidopsis trichome distribution pattern. Thus, our data provide evidence for the biological importance of variations in gene expression for environmental adaptation.

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Section: Gene Expression Variations Between Cells Increase At Elevatementioning

confidence: 99%

“…S7B). Considering our findings that the gene expression of GL3 is influenced by temperature [26], we focused on H2A.Z, which is a key histone variant involved in the thermosensing process in Arabidopsis.…”

Section: Variations In the Trichome Distribution Patterns And H2azmentioning

confidence: 99%

Leaf trichome distribution pattern inArabidopsisreveals gene expression variation associated with environmental adaptation

Okamoto

Negishi

Toyama

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…Given that environmental stimuli such as light and temperature can alter gene expression [26], we investigated whether modest changes in light intensity or temperature would affect gene expression variations. Exposure of seedlings to a relatively strong light intensity perturbed both trichome and stomata distribution patterns ( Figure S4).…”

Section: Gene Expression Variations Between Cells Increase At Elevatementioning

confidence: 99%

Leaf Trichome Distribution Pattern in Arabidopsis Reveals Gene Expression Variation Associated with Environmental Adaptation

Okamoto

Negishi

Toyama

et al. 2020

Plants

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Gene expression varies stochastically even in both heterogenous and homogeneous cell populations. This variation is not simply useless noise; rather, it is important for many biological processes. Unicellular organisms or cultured cell lines are useful for analyzing the variation in gene expression between cells; however, owing to technical challenges, the biological relevance of this variation in multicellular organisms such as higher plants remain unclear. Here, we addressed the biological relevance of this variation between cells by examining the genetic basis of trichome distribution patterns in Arabidopsis thaliana. The distribution pattern of a trichome on a leaf is stochastic and can be mathematically represented using Turing’s reaction-diffusion (RD) model. We analyzed simulations based on the RD model and found that the variability in the trichome distribution pattern increased with the increase in stochastic variation in a particular gene expression. Moreover, differences in heat-dependent variability of the trichome distribution pattern between the accessions showed a strong correlation with environmental factors to which each accession was adapted. Taken together, we successfully visualized variations in gene expression by quantifying the variability in the Arabidopsis trichome distribution pattern. Thus, our data provide evidence for the biological importance of variations in gene expression for environmental adaptation.

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“…Surrounding the nucleus is a double membrane nuclear envelope in which nuclear pore complexes (NPCs) are embedded. The NPCs regulate the trafficking of proteins and RNA from the nucleus to the cytoplasm (Kaiserli, Perrella, & Davidson, ; Lamond & Sleeman, ). Chromosomes typically packaged as chromatin are localized throughout the nucleoplasm.…”

Section: Introductionmentioning

confidence: 99%

“…However, some of the nuclear substructures are kingdom specific. For example, the plant nucleus contains photobodies, whereas the animal nucleus contains promyelocytic leukemia protein (PML) bodies (Kaiserli et al, ; Lamond & Sleeman, ).…”

Section: Introductionmentioning

confidence: 99%

Focusing on the nuclear and subnuclear dynamics of light and circadian signalling

Ronald

Davis

2019

Plant Cell & Environment

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Circadian clocks provide organisms the ability to synchronize their internal physiological responses with the external environment. This process, termed entrainment, occurs through the perception of internal and external stimuli. As with other organisms, in plants, the perception of light is a critical for the entrainment and sustainment of circadian rhythms. Red, blue, far-red, and UV-B light are perceived by the oscillator through the activity of photoreceptors. Four classes of photoreceptors signal to the oscillator: phytochromes, cryptochromes, UVR8, and LOV-KELCH domain proteins.In most cases, these photoreceptors localize to the nucleus in response to light and can associate to subnuclear structures to initiate downstream signalling. In this review, we will highlight the recent advances made in understanding the mechanisms facilitating the nuclear and subnuclear localization of photoreceptors and the role these subnuclear bodies have in photoreceptor signalling, including to the oscillator.We will also highlight recent progress that has been made in understanding the regulation of the nuclear and subnuclear localization of components of the plant circadian clock.

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Light and temperature shape nuclear architecture and gene expression

Cited by 25 publications

References 65 publications

Leaf trichome distribution pattern inArabidopsisreveals gene expression variation associated with environmental adaptation

Leaf trichome distribution pattern inArabidopsisreveals gene expression variation associated with environmental adaptation

Leaf Trichome Distribution Pattern in Arabidopsis Reveals Gene Expression Variation Associated with Environmental Adaptation

Focusing on the nuclear and subnuclear dynamics of light and circadian signalling

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