Chenopodium ficifolium flowers under long days without upregulation of FLOWERING LOCUS T (FT) homologs
Jazyk angličtina Země Německo Médium print-electronic
Typ dokumentu časopisecké články
Grantová podpora
13-02290S
Grantová Agentura České Republiky
CZ.02.1.01/0.0/0.0/16_019/0000738
Ministerstvo Školství, Mládeže a Tělovýchovy
RVO 67985939
Ministerstvo Školství, Mládeže a Tělovýchovy
PubMed
31584118
DOI
10.1007/s00425-019-03285-1
PII: 10.1007/s00425-019-03285-1
Knihovny.cz E-zdroje
- Klíčová slova
- Amaranthaceae, FLOWERING LOCUS T like genes, Floral induction, Gene expression, Photoperiod, Transcriptome,
- MeSH
- aktivace transkripce MeSH
- Chenopodium genetika růst a vývoj MeSH
- fotoperioda MeSH
- květy genetika růst a vývoj MeSH
- Magnoliopsida genetika růst a vývoj MeSH
- regulace genové exprese u rostlin * MeSH
- upregulace * MeSH
- Publikační typ
- časopisecké články MeSH
Chenopodium ficifoliumflowered under long days despite much lower expression ofFLOWERING LOCUS Thomolog than under short days. Frequent duplications of the FLOWERING LOCUS T (FT) gene across various taxonomic lineages resulted in FT paralogs with floral repressor function, whereas others duplicates maintained their floral-promoting role. The FT gene has been confirmed as the inducer of photoperiodic flowering in most angiosperms analyzed to date. We identified all FT homologs in the transcriptome of Chenopodium ficifolium and in the genome of Chenopodium suecicum, which are closely related to diploid progenitors of the tetraploid crop Chenopodium quinoa, and estimated their expression during photoperiodic floral induction. We found that expression of FLOWERING LOCUS T like 1 (FTL1), the ortholog of the sugar beet floral activator BvFT2, correlated with floral induction in C. suecicum and short-day C. ficifolium, but not with floral induction in C. ficifolium with accelerated flowering under long days. This C. ficifolium accession was induced to flowering without the concomitant upregulation of any FT homolog.
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