Field transcriptome revealed a novel relationship between nitrate transport and flowering in Japanese beech

Akiko Satake, Kazutaka Kawatsu, Kosuke Teshima, Daisuke Kabeya, Qingmin Han

Research output: Contribution to journalArticle

Abstract

Recent advances in molecular and genetic studies about flowering time control have been increasingly available to elucidate the physiological mechanism underlying masting, the intermittent and synchronized production of a large amount of flowers and seeds in plant populations. To identify unexplored developmental and physiological processes associated with masting, genome-wide transcriptome analysis is a promising tool, but such analyses have yet to be performed. We established a field transcriptome using a typical masting species, Japanese beech (Fagus crenata Blume), over two years, and analyzed the data using a nonlinear time-series analysis called convergent cross mapping. Our field transcriptome was found to undergo numerous changes depending on the status of floral induction and season. An integrated approach of high-throughput transcriptomics and causal inference was successful at detecting novel causal regulatory relationships between nitrate transport and florigen synthesis/transport in a forest tree species. The synergistic activation of nitrate transport and floral transition could be adaptive to simultaneously satisfy floral transition at the appropriate timing and the nitrogen demand needed for flower formation.

Original languageEnglish
Article number4325
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - Dec 1 2019

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Fagus
Transcriptome
Nitrates
Florigen
Physiological Phenomena
Gene Expression Profiling
Molecular Biology
Seeds
Nitrogen
Genome
Population
Forests

All Science Journal Classification (ASJC) codes

  • General

Cite this

Field transcriptome revealed a novel relationship between nitrate transport and flowering in Japanese beech. / Satake, Akiko; Kawatsu, Kazutaka; Teshima, Kosuke; Kabeya, Daisuke; Han, Qingmin.

In: Scientific reports, Vol. 9, No. 1, 4325, 01.12.2019.

Research output: Contribution to journalArticle

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