Comparative transcriptome analysis revealed gamma-irradiation mediated disruption of floral integrator gene(s) leading to prolonged vegetative phase in Stevia rebaudiana Bertoni

Copyright © 2020. Published by Elsevier Masson SAS.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 148(2020) vom: 20. März, Seite 90-102
1. Verfasser: Singh, Gopal (VerfasserIn)
Weitere Verfasser: Pal, Poonam, Masand, Mamta, Seth, Romit, Kumar, Ashok, Singh, Sanatsujat, Sharma, Ram Kumar
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Floral integrator genes Gamma-irradiation Low/no calorie natural sweeteners Mutation breeding Stevia Steviol glycosides Transcriptome Diterpenes, Kaurane
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500 |a ErratumIn: Plant Physiol Biochem. 2023 Aug;201:107863. - PMID 37385870 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2020. Published by Elsevier Masson SAS. 
520 |a Stevia rebaudiana Bert. is getting global attention because of its ability to synthesize commercially important low/no calorie natural sweeteners (LNCSs) steviol glycosides (SGs). Considering, higher accumulation of SGs in vegetative phase followed by decrement during reproductive phase necessitate the understanding of different molecular components of floral transition to develop superior varieties/cultivars with prolonged vegetative phase in Stevia. Current comparative transcriptional analysis of low dose (5 kR) gamma-irradiated mutant genotype (SMG) with prolonged vegetative phase vis-à-vis background genotype (SBG) identified DGEs of major floral transition pathways, and expressed according to their physiological fate irrespective to SMG & SBG. Contrarily, reduced expression of floral integrator genes (FT and LEAFY) in mutant genotype suggests their involvement in prolonged vegetative phase phenotype. Likewise, GO and KEGG enrichment of photosynthesis and carbon assimilation efficiency might be associated with prolonged vegetative phase and higher accumulation of Stevioside content in mutant genotype. Furthermore, deviation of flowering related transcription factors (higher expressions except MIKS-type MADS-box SMG_PV compared to SBG_F) may possibly be correlated with low expression of floral integrator genes. Findings of current studies will facilitate the genetic manipulations and crop improvement efforts in Stevia through conventional breeding and genome editing approaches for increased SGs biosynthesis 
650 4 |a Journal Article 
650 4 |a Floral integrator genes 
650 4 |a Gamma-irradiation 
650 4 |a Low/no calorie natural sweeteners 
650 4 |a Mutation breeding 
650 4 |a Stevia 
650 4 |a Steviol glycosides 
650 4 |a Transcriptome 
650 7 |a Diterpenes, Kaurane  |2 NLM 
700 1 |a Pal, Poonam  |e verfasserin  |4 aut 
700 1 |a Masand, Mamta  |e verfasserin  |4 aut 
700 1 |a Seth, Romit  |e verfasserin  |4 aut 
700 1 |a Kumar, Ashok  |e verfasserin  |4 aut 
700 1 |a Singh, Sanatsujat  |e verfasserin  |4 aut 
700 1 |a Sharma, Ram Kumar  |e verfasserin  |4 aut 
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773 1 8 |g volume:148  |g year:2020  |g day:20  |g month:03  |g pages:90-102 
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