Gene Expression Characteristics in Response to Abscisic Acid Under Shade

Kim, ByungHoon B.; Brownlee, Shemeka N; Grant, Jamekia S.; Cannon, Adrian B

doi:10.1007/s11105-021-01292-9

Cited by 4 publications

(1 citation statement)

References 86 publications

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“…Abscisic acid (ABA) is generated under environmental stress and leads to a series of reactions that allow plants to adapt to adverse conditions [ 27 ]. Almost all the genes involved in ABA biosynthesis, except XD and AAO , are present in I. sinensis ( Supplementary Fig.…”

Section: Resultsmentioning

confidence: 99%

Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes

Cui,

Zhu,

et al. 2022

GigaScience

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Background The Lycophyta species are the extant taxa most similar to early vascular plants that were once abundant on Earth. However, their distribution has greatly diminished. So far, the absence of chromosome-level assembled lycophyte genomes has hindered our understanding of evolution and environmental adaption of lycophytes. Findings We present the reference genome of the tetraploid aquatic quillwort, Isoetes sinensis, a lycophyte. This genome represents the first chromosome-level assembled genome of a tetraploid seed-free plant. Comparison of genomes between I. sinensis and Isoetestaiwanensis revealed conserved and different genomic features between diploid and polyploid lycophytes. Comparison of the I. sinensis genome with those of other species representing the evolutionary lineages of green plants revealed the inherited genetic tools for transcriptional regulation and most phytohormones in I. sinensis. The presence and absence of key genes related to development and stress responses provide insights into environmental adaption of lycophytes. Conclusions The high-quality reference genome and genomic analysis presented in this study are crucial for future genetic and environmental studies of not only I. sinensis but also other lycophytes.

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Section: Resultsmentioning

confidence: 99%

Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes

Cui,

Zhu,

et al. 2022

GigaScience

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Roles of non‐visible light and temperature in the regulation of anthocyanin synthesis in fruits and vegetables

Yin,

Wang,

et al. 2024

Food Frontiers

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The depletion of the ozone layer creates a gate for non‐visible spectra to impact the Earth's surface and interfere with fruit and vegetable growth and developments by affecting their morphology and physiology. The potential contribution of visible light to photosynthetic activity has received significant attention, particularly blue and red/far‐red light in the visible spectrum. However, plants are also inevitably exposed to relatively high doses of non‐visible spectra, including ultraviolet (UV) and infrared (IR) radiation. This review examines the literature on the impact of such non‐visible spectra on fruit and vegetable growth and development. The accumulation of radiation‐absorbing compounds is a primary mechanism of acclimation to changing radiation levels. Anthocyanins are compounds that exhibit high sensitivity to UV and IR radiation as well as temperature variations, playing a crucial protective role against detrimental radiation in plants. Current research helps to elucidate the involvement of low and high temperatures in the control of UVB‐induced anthocyanin accumulation. Different UV radiation types have been shown to affect fruit and vegetable growth and pigment content differentially. Recent studies have also revealed that IR radiation increases anthocyanin content. Furthermore, specific non‐visible spectra mitigate the inhibitory effect of high and low temperature stress on anthocyanin accumulation in fruits and vegetables. These findings have important implications for the horticultural industry, as they suggest that the application of specific of non‐visible light spectra could be a promising approach to increasing the nutritional value and marketability of fruits and vegetables.

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Effects of far-red light on growth, endogenous hormones, antioxidant capacity and quality of Lettuce

Meng,

Song,

et al. 2024

Food Prod Process and Nutr

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This study aimed to explore the effects of various intensities of far-red light on the growth performance, endogenous hormones, antioxidant indices, and overall quality of hydroponically cultivated lettuce. As the control treatment, a white LED emitting light at an intensity of 200 µmol/(m2·s) was utilized (referred to as CK with an R/FR ratio of 5.5), while two experimental treatments, FT1 (R/FR = 1.2) and FT2 (R/FR = 0.8), were established by adding different intensities of far-red light to the CK treatment. The results demonstrated that the application of far-red light, particularly in FT1, led to a significant increase in plant height, leaf area, and lettuce biomass, while simultaneously resulting in a notable reduction in leaf thickness. The content of indole-3-acetic acid (IAA) and abscisic acid (ABA) in response to far-red light treatments exhibited an initial increase followed by a subsequent decrease, with FT2 experiencing a significant decline. The gibberellin (GA3) content in FT2 reached its peak on the 35th day, showing a substantial increase of 60.09% compared to CK. Far-red treatments were found to enhance peroxidase (POD) and catalase (CAT) activities, while significantly reducing superoxide dismutase (SOD) activity. In comparison to CK, FT1 exhibited a remarkable 134.33% increase in anthocyanin content. Both FT1 and FT2 significantly boosted vitamin C levels while reducing nitrite content. Additionally, the application of far-red light treatment significantly increased the alcohol and ester content in lettuce leaves. This study establishes a theoretical foundation for enhancing the quality and flavor of lettuce using different far-red light treatments. Graphical Abstract

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Gene Expression Characteristics in Response to Abscisic Acid Under Shade

Cited by 4 publications

References 86 publications

Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes

Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes

Roles of non‐visible light and temperature in the regulation of anthocyanin synthesis in fruits and vegetables

Effects of far-red light on growth, endogenous hormones, antioxidant capacity and quality of Lettuce

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