Role of ABA, gibberellins and auxin in dormancy and dormancy release of tulip bulbs.

Saniewski, M.; Kawa-Miszczak, L.; Wegrzynowicz-Lesiak, E.; Okubo, Hiroshi; Viémont, Jean-Daniel; Crabbé, J.

doi:10.1079/9780851994475.0227

Cited by 8 publications

(6 citation statements)

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“…GA and auxin are known to inhibit dormancy while ABA is known to promote it (Saniewski et al 2000). In the hormonal pathways, genes such as GAI, which was down regulated, could have promoted floral development in SD.…”

Section: Model Integrating Floral and Dormancy Developmentmentioning

confidence: 99%

Differential floral development and gene expression in grapevines during long and short photoperiods suggests a role for floral genes in dormancy transitioning

et al. 2010

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Daylength is an important environmental cue for synchronizing growth, flowering, and dormancy with seasonality. As many floral development genes are photoperiod regulated, it has been suggested that they could have a regulatory role in bud endodormancy. Therefore, the influence of photoperiod was studied on inflorescence primordia differentiation and floral pathway related gene expression during the development of overwintering buds in Vitis riparia and V. spp. 'Seyval'. Photoperiod treatments were imposed 35 days after budbreak, and histological and transcriptomic analyses were conducted during the subsequent 42 days of bud development. Long day (LD, 15 h) and short day (SD, 13 h) buds were floral competent by 21 days of photoperiod treatment (56 days after budbreak); however, the floral meristem developed faster in LD than in SD buds. Analysis of 132 floral pathway related genes represented on the Affymetrix Grape Genome array indicated 60 were significantly differentially expressed between photoperiod treatments. Genes predominantly related to floral transition or floral meristem development were identified by their association with distinct grape floral meristem development and an expression pattern in LD consistent with their previously identified roles in flowering literature. Genes with a potential dual role in floral development and dormancy transitioning were identified using photoperiod induced differences in floral development between LD and SD buds and uncharacteristic gene expression trends in relation to floral development. Candidate genes with the potential to play a dual role in SD dormancy induction include circadian rhythm or flowering transition related genes: AP2, BT1, COL-13, EIN3, ELF4, DDTR, GAI and HY5.

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Section: Model Integrating Floral and Dormancy Developmentmentioning

confidence: 99%

Differential floral development and gene expression in grapevines during long and short photoperiods suggests a role for floral genes in dormancy transitioning

et al. 2010

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“…The apical meristem in a mature tulip bulb is converted to a floral bud in summer, and high temperatures of summer immediately drive the formed floral buds into dormancy while the lateral buds remain vegetative (Boonekamp et al 1990;Saniewski et al 2000). In fall and winter, chilling temperatures release floral buds from dormancy while inducing a concomitant transformation of vegetative buds into dormant bulbs (Okubo 2000).…”

Section: Dormancy Occurrence and Manifestationmentioning

confidence: 98%

Dormancy Behaviors and Underlying Regulatory Mechanisms: From Perspective of Pathways to Epigenetic Regulation

Liu

Zhu

Abbott

2015

Advances in Plant Dormancy

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“…Simultaneously, dormancy is triggered and a pro-longed period of cold is required for dormancy release and internal preparation for stem elongation and flower outgrowth in the next spring. This specific life cycle is not only seen in tulip, but is common for various bulbous species, including Tulipa, Crocus and Hyacinthus (Rees 1966;Saniewski et al 2000;Kamenetsky et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Mechanisms of vegetative propagation in bulbs : a molecular approach

Moreno-Pachon

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Role of ABA, gibberellins and auxin in dormancy and dormancy release of tulip bulbs.

Cited by 8 publications

References 0 publications

Differential floral development and gene expression in grapevines during long and short photoperiods suggests a role for floral genes in dormancy transitioning

Differential floral development and gene expression in grapevines during long and short photoperiods suggests a role for floral genes in dormancy transitioning

Dormancy Behaviors and Underlying Regulatory Mechanisms: From Perspective of Pathways to Epigenetic Regulation

Mechanisms of vegetative propagation in bulbs : a molecular approach

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