The transition to flowering in winter rapeseed during vernalization

Matar S, Kumar A, Holtgräwe D, Weisshaar B, Melzer S (2021)
Plant, Cell & Environment 44(2): 506-518.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Matar, Sarah; Kumar, Avneesh; Holtgräwe, DanielaUniBi ; Weisshaar, BerndUniBi ; Melzer, Siegbert
Abstract / Bemerkung
Flowering time is a major determinant of adaptation, fitness and yield in the allopolyploid species rapeseed (Brassica napus). Despite being a close relative to Arabidopsis thaliana, little is known about the timing of floral transition and the genes that govern this process. Winter, semi‐winter and spring type rapeseed have important life history characteristics that differ in vernalization requirements for flowering and are important for growing rapeseed in different regions of the world. In this study, we investigated the timing of vernalization‐driven floral transition in winter rapeseed and the effect of photoperiod and developmental age on flowering time and vernalization responsiveness. Microscopy and whole transcriptome analysis at the shoot apical meristems of plants grown under controlled conditions showed that floral transition is initiated within few weeks of vernalization. Certain Bna.SOC1 and Bna.SPL5 homeologs were among the induced genes, suggesting that they are regulating the timing of cold‐induced floral transition. Moreover, the flowering response of plants with shorter pre‐vernalization period correlated with a delayed expression of Bna.SOC1 and Bna.SPL5 genes. In essence, this study presents a detailed analysis of vernalization‐driven floral transition and the aspects of juvenility and dormancy and their effect on flowering time in rapeseed.
Stichworte
Plant Science; Physiology
Erscheinungsjahr
2021
Zeitschriftentitel
Plant, Cell & Environment
Band
44
Ausgabe
2
Seite(n)
506-518
ISSN
0140-7791, 1365-3040
Page URI
https://pub.uni-bielefeld.de/record/2948771

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Matar S, Kumar A, Holtgräwe D, Weisshaar B, Melzer S. The transition to flowering in winter rapeseed during vernalization. Plant, Cell & Environment. 2021;44(2):506-518.
Matar, S., Kumar, A., Holtgräwe, D., Weisshaar, B., & Melzer, S. (2021). The transition to flowering in winter rapeseed during vernalization. Plant, Cell & Environment, 44(2), 506-518. doi:10.1111/pce.13946
Matar, S., Kumar, A., Holtgräwe, D., Weisshaar, B., and Melzer, S. (2021). The transition to flowering in winter rapeseed during vernalization. Plant, Cell & Environment 44, 506-518.
Matar, S., et al., 2021. The transition to flowering in winter rapeseed during vernalization. Plant, Cell & Environment, 44(2), p 506-518.
S. Matar, et al., “The transition to flowering in winter rapeseed during vernalization”, Plant, Cell & Environment, vol. 44, 2021, pp. 506-518.
Matar, S., Kumar, A., Holtgräwe, D., Weisshaar, B., Melzer, S.: The transition to flowering in winter rapeseed during vernalization. Plant, Cell & Environment. 44, 506-518 (2021).
Matar, Sarah, Kumar, Avneesh, Holtgräwe, Daniela, Weisshaar, Bernd, and Melzer, Siegbert. “The transition to flowering in winter rapeseed during vernalization”. Plant, Cell & Environment 44.2 (2021): 506-518.
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PMID: 33190312
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Preprint: 10.22541/au.159863431.12190968

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