OXIDATIVE STRESS 3 regulates drought-induced flowering through APETALA 1

Liang, Minting; Xiao, Shimin; Cai, Jiajia; Ow, David W.

doi:10.1016/j.bbrc.2019.08.154

Cited by 11 publications

(5 citation statements)

References 33 publications

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“…When plants are exposed to drought stress, they may respond to early or late flowering according to the intensity and duration of the drought (Pajoro et al, 2014; Takeno, 2016). Late flowering is considered to be the result of inducing plant tolerance mechanisms that enable tolerance to stress before initiating reproduction, while early flowering is considered to be a response to stress avoidance (Liang et al, 2019). Therefore, we speculated that CiNF‐YA1 initiates the transmission of florigen signals by increasing plant sensitivity to drought stress in adult trees.…”

Section: Discussionmentioning

confidence: 99%

Drought and low temperature‐induced NF‐YA1 activates FT expression to promote citrus flowering

Zhou

Zeng

Liu

et al. 2022

Plant Cell & Environment

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Flower induction in adult citrus is mainly regulated by drought and low temperatures. However, the mechanism of FLOWERING LOCUS T regulation of citrus flowering (CiFT) under two flower‐inductive stimuli remains largely unclear. In this study, a citrus transcription factor, nuclear factor YA (CiNF‐YA1), was found to specifically bind to the CiFT promoter by forming a complex with CiNF‐YB2 and CiNF‐YC2 to activate CiFT expression. CiNF‐YA1 was induced in juvenile citrus by low temperature and drought treatments. Overexpression of CiNF‐YA1 increased drought susceptibility in transgenic citrus, whereas suppression of CiNF‐YA1 enhanced drought tolerance in silenced citrus plants. Furthermore, a GOLDEN2−LIKE protein (CiFE) that interacts with CiFT protein was also isolated. Further experimental evidence showed that CiFE binds to the citrus LEAFY (CiLFY) promoter and activates its expression. In addition, the expressions of CiNF‐YA1 and CiFE showed a seasonal increase during the floral induction period and were induced by artificial drought and low‐temperature treatments at which floral induction occurred. These results indicate that CiNF‐YA1 may activate CiFT expression in response to drought and low temperatures by binding to the CiFT promoter. CiFT then forms a complex with CiFE to activate CiLFY, thereby promoting the flowering of adult citrus.

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Section: Discussionmentioning

confidence: 99%

Drought and low temperature‐induced NF‐YA1 activates FT expression to promote citrus flowering

Zhou

Zeng

Liu

et al. 2022

Plant Cell & Environment

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“…Drought avoidance (also known as drought dehydration) is another strategy for plants to cope with external drought conditions by increasing the internal water content (by reducing water loss or maximizing water uptake) [48]. The drought tolerance strategy is the ability of plants to tolerate low internal water content and to adapt to the drought stress while initiating reproduction [49].…”

Section: Perception and Coping Strategies Of Drought Stressmentioning

confidence: 99%

The Role of Drought and Temperature Stress in the Regulation of Flowering Time in Annuals and Perennials

Chen,

Zhang,

et al. 2023

Agronomy

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Plants experience a variety of adverse environments during their vegetative growth and reproductive development, and to ensure that they complete their life cycle successfully, they have evolved specific defense mechanisms to cope with unfavorable environments. Flowering is a vital developmental stage and an important determinant of productivity in the lifetime of plants, which can be vulnerable to multiple abiotic stresses. Exposure to stress during this period can have dramatic effects on flower physiological and morphological development, which may ultimately lead to a substantial loss of yield in seed-producing plants. However, there has been increasing research evidence that diverse abiotic stresses, ranging from drought, low temperature, and heat stress can promote or delay plant flowering. This review focuses on how plants alter developmental direction to balance between survival and productivity under drought and extreme temperature conditions. Starting from the perspective of the functional analysis of key flowering-regulated genes, it is of great help for researchers to quickly gain a deeper understanding of the regulatory effects of abiotic stress on the flowering process, to elucidate the molecular mechanisms, and to improve the regulatory network of abiotic-stress-induced flowering. Additionally, the important agronomic significance of the interaction between abiotic stress and the flowering regulation of perennial plants under climate change conditions is also discussed after summarizing studies on the mechanisms of stress-induced flowering in annual plants. This review aims to clarify the effects of abiotic stresses (mainly drought and temperature) on plant flowering, which are significant for future productivity increase under unfavorable environmental conditions.

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“…For example, various drought and flooding treatments do not affect flowering time in wild genotypes of Arabidopsis [11][12][13]. This may be because plants which initiate the reproductive stage (e.g., flowering) in a timely fashion regardless of environmental stresses have greater reproductive success [10,14,15].…”

Section: Factors Affecting Flowering Period and The Corresponding Cou...mentioning

confidence: 99%

Rapeseed as an Ornamental

Xiao

Wang

et al. 2021

Horticulturae

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Rapeseed (Brassica napus) is one of the most important oil crops worldwide. However, an intriguing new use for rapeseed has recently developed: as an ornamental. Tourism based on blossoming fields of these yellow flowers has become a new economic growth opportunity in China. From a breeding perspective, two main problems currently limit the potential of rapeseed as an ornamental. First, the flowering period is quite short (30 days on average), which limits economic income; second, the flower color in commercial cultivars is currently limited to bright yellow, which may pall quickly for sightseers. This review summarizes the possible problems of using rapeseed as an ornamental, and details factors affecting the flowering period, how the flowering period can be prolonged by integrating optimal cultivation measures or/and spraying with chemical reagents, and ways of creating and breeding rapeseed with diverse flower colors.

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OXIDATIVE STRESS 3 regulates drought-induced flowering through APETALA 1

Cited by 11 publications

References 33 publications

Drought and low temperature‐induced NF‐YA1 activates FT expression to promote citrus flowering

Drought and low temperature‐induced NF‐YA1 activates FT expression to promote citrus flowering

The Role of Drought and Temperature Stress in the Regulation of Flowering Time in Annuals and Perennials

Rapeseed as an Ornamental

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