Research on floral timing by ambient temperature comes into blossom

Verhage, Leonie; Angenent, Gerco C.; Immink, Richard G. H.

doi:10.1016/j.tplants.2014.03.009

Cited by 71 publications

(62 citation statements)

References 66 publications

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“…The timing of flowering to favorable seasons of the year is crucial for reproductive success of plants and is regulated by a number of environmental factors, including daylength (photoperiod), light quality, and temperature (Verhage et al, 2014). Genetic approaches in the model species Arabidopsis thaliana have shown how the underlying responses to changes in daylength are conferred and how they converge to create a robust seasonal response (Andrés and Coupland, 2012).…”

Section: Introductionmentioning

confidence: 99%

Red Light-Mediated Degradation of CONSTANS by the E3 Ubiquitin Ligase HOS1 Regulates Photoperiodic Flowering in Arabidopsis

et al. 2015

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The regulation of CONSTANS (CO) gene expression is crucial to accurately measure changes in daylength, which influences flowering time in Arabidopsis thaliana. CO expression is under both transcriptional and posttranslational control mechanisms. We previously showed that the E3 ubiquitin ligase HIGH EXPRESSION OF OSMOTICALLY RESPONSIVE GENES1 (HOS1) physically interacts with CO in Arabidopsis. This interaction is required to precisely modulate the timing of CO accumulation and, consequently, to maintain low levels of FLOWERING LOCUS T expression during the first part of the day. The data presented here demonstrate that HOS1 is involved in the red light-mediated degradation of CO that takes place in the early stages of the daylight period. Our results show that phytochrome B (phyB) is able to regulate flowering time, acting in the phloem companion cells, as previously described for CO and HOS1. Moreover, we reveal that phyB physically interacts with HOS1 and CO, indicating that the three proteins may be present in a complex in planta that is required to coordinate a correct photoperiodic response in Arabidopsis.

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Section: Introductionmentioning

confidence: 99%

Red Light-Mediated Degradation of CONSTANS by the E3 Ubiquitin Ligase HOS1 Regulates Photoperiodic Flowering in Arabidopsis

et al. 2015

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“…Detailed mechanism, how SVP controls FT expression in response to temperature, is emerging (Verhage et al, 2014). Pos e et al (2013) showed evidence that the complex formation between alternatively spliced variants of FLOW-ERING LOCUS M (FLM) and SVP mediates the effect of the temperature on flowering time.…”

Section: Introductionmentioning

confidence: 99%

Strawberry homologue of TERMINAL FLOWER1 integrates photoperiod and temperature signals to inhibit flowering

et al. 2015

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SUMMARYPhotoperiod and temperature are major environmental signals affecting flowering in plants. Although molecular pathways mediating these signals have been well characterized in the annual model plant Arabidopsis, much less information is known in perennials. Many perennials including the woodland strawberry (Fragaria vesca L.) are induced to flower in response to decreasing photoperiod and temperature in autumn and they flower following spring. We showed earlier that, in contrast with Arabidopsis, the photoperiodic induction of flowering in strawberry occurs in short days (SD) when the decrease in FvFT1 (FLOWERING LOCUS T) and FvSOC1 (SUPPRESSOR OF THE OVEREXPRESSION OF CONSTANS1) expression leads to lower mRNA levels of the floral repressor, FvTFL1 (TERMINAL FLOWER1). By using transgenic lines and gene expression analyses, we show evidence that the temperature-mediated changes in the FvTFL1 mRNA expression set critical temperature limits for the photoperiodic flowering in strawberry. At temperatures below 13°C, low expression level of FvTFL1 in both SD and long days (LD) allows flower induction to occur independently of the photoperiod. Rising temperature gradually increases FvTFL1 mRNA levels under LD, and at temperatures above 13°C, SD is required for the flower induction that depends on the deactivation of FvSOC1 and FvTFL1. However, an unknown transcriptional activator, which functions independently of FvSOC1, enhances the expression of FvTFL1 at 23°C preventing photoperiodic flowering. We suggest that the observed effect of the photoperiod 3 temperature interaction on FvTFL1 mRNA expression may allow strawberry to induce flowers in correct time in different climates.

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“…Note that longer growing seasons select for later flowering and thus warming and growing season may comprise a trade-off. As the detection of the relatedness between flowering locus and ambient temperature [72,178], the flowering time diversity is associated with cis-regulatory variation [179] and further, flowering time loci restrict potential range size and niche breadth [180]. Table 2.…”

Section: Altered Environment (♀) Affected Traits In Offspring Test Spmentioning

confidence: 99%

Roles of the Environment in Plant Life-History Trade-offs

Liu¹,

Walck²,

El‐Kassaby³

2017

Advances in Seed Biology

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Variation in plant life-history and functional traits at between-and within-species levels has key ecological consequences, in which environmental settings impose strong selective pressures and play a vital role throughout life cycles. Our general notion for plant life-history strategies may be that, relative to tall, long-lived plants, short-lived species have features of small stature, small-seededness, rapid growth, and low seedling survival (k-versus r-selection). Rate of evolution may be an important agent of selection and annals evolve more rapidly than perennial congeners. These empirical observations prompt a suite of enticing questions, such as how do life-history traits interplay with functional trait at late stages of regeneration? what are the primary trade-offs in a cohort of key life-history traits that may have undergone stabilizing selection? and how do environmental filters differently affect adaptive trait variation in annuals and perennials? In this chapter, we intend to address aforementioned questions via assembling our updated knowledge with emphasis on seed mass and temporal and spatial dimensions of seed dispersal. Through such synthesis, we wish to raise awareness about life-history trade-offs and provide a holistic understanding of the extent to which climate change is likely to impact plant adaptation and eco-evolutionary trajectories of life-history phenotypes.

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Research on floral timing by ambient temperature comes into blossom

Cited by 71 publications

References 66 publications

Red Light-Mediated Degradation of CONSTANS by the E3 Ubiquitin Ligase HOS1 Regulates Photoperiodic Flowering in Arabidopsis

Red Light-Mediated Degradation of CONSTANS by the E3 Ubiquitin Ligase HOS1 Regulates Photoperiodic Flowering in Arabidopsis

Strawberry homologue of TERMINAL FLOWER1 integrates photoperiod and temperature signals to inhibit flowering

Roles of the Environment in Plant Life-History Trade-offs

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