Identification of trehalose-6-phosphate synthase (TPS)-coding genes involved in flowering induction of Lilium× formolongi.

Flowers / genetics Gene Expression Regulation, Plant Glucosyltransferases / genetics Lilium / genetics Photoperiod
Flowering Juvenile vegetative development Lilium × formolongi Trehalose-6-phosphate synthase

Journal

Plant physiology and biochemistry : PPB
ISSN: 1873-2690
Titre abrégé: Plant Physiol Biochem
Pays: France
ID NLM: 9882449

Informations de publication

Date de publication:
15 Jan 2022
Historique:
received: 05 04 2021
revised: 25 10 2021
accepted: 22 12 2021
pubmed: 2 1 2022
medline: 22 1 2022
entrez: 1 1 2022
Statut: ppublish

Résumé

Lilium × formolongi, a facultative long-day (LD) plant, can complete the floral transition within one year after sowing under LD conditions. In addition to the photoperiod, the molecular mechanisms by which other flowering regulators, such as sugar, participate in juvenile development and flowering induction in L. × formolongi remain elusive. Therefore, based on the investigation of seedling development under different day length conditions, we explored the growth and nonstructural carbohydrate (NSC) contents of leaves and underground bulbs. Furthermore, the expression profiles of trehalose-6-phosphate synthase (TPS)-coding genes, LfTPSs, and miR156 were also determined. Three putative LfTPS genes, LfTPS1, LfTPS3 and LfTPS5, displayed high expression levels at the juvenile vegetative stage under different day length conditions. Among them, LfTPS1 maintained gradually elevated expression until the visible bud stage under short-day (SD) conditions. Additionally, the expression levels of LfTPS3 and LfTPS5 increased with the exogenous sucrose concentration. In contrast, the expression of miR156 rapidly decreased under the same sucrose treatments. Overexpression of LfTPS1/3/5 hastened flowering and the decline in miR156 expression levels to varying degrees in transgenic Arabidopsis. Taken together, the results demonstrate that LfTPS1, LfTPS3 and LfTPS5 modulate both juvenile vegetative development and flowering induction controlled by sugars in L. × formolongi.

Identifiants

DOI: 10.1016/j.plaphy.2021.12.025 PMID: 34973503
pubmed: 34973503
pii: S0981-9428(21)00639-2
doi: 10.1016/j.plaphy.2021.12.025
pii:
doi:

Substances chimiques

Glucosyltransferases EC 2.4.1.-
trehalose-6-phosphate synthase EC 2.4.1.15

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

84-94

Informations de copyright

Copyright © 2021 Elsevier Masson SAS. All rights reserved.

Auteurs

Qian Zhang (Q)

Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China.

Meng Zhang (M)

China Flower Association, Beijing, 100020, China.

Yu-Qian Zhao (YQ)

Tangshan Normal University, Tangshan, 063002, China.

Hao Hu (H)

Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China.

Yi-Xuan Huang (YX)

Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China.

Gui-Xia Jia (GX)

Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China. Electronic address: gxjia@bjfu.edu.cn.

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Classifications MeSH

questionsmedicales.fr › Structures de plante › Parties aériennes de plante › Sommités fleuries › Fleurs › Identification of trehalose-6-phosphate...
questionsmedicales.fr › Phénomènes génétiques › Régulation de l'expression des gènes › Régulation de l'expression des gènes végétaux › Identification of trehalose-6-phosphate...
questionsmedicales.fr › Enzymes et coenzymes › Enzymes › Transferases › Glycosyltransferase › Hexosyltransferases › Glucosyltransferases › Identification of trehalose-6-phosphate...
questionsmedicales.fr › Eucaryotes › Viridiplantae › Streptophyta › Embryophyta › Tracheobionta › Magnoliopsida › Lilianae › Liliales › Liliaceae › Lilium › Identification of trehalose-6-phosphate...
questionsmedicales.fr › Phénomènes physiques › Temps › Photopériode › Identification of trehalose-6-phosphate...