Preprint Brief Report Version 1 Preserved in Portico This version is not peer-reviewed

Low-activity Cryptochrome 1 Plays a Role in Promoting Stem Elongation and Flower Initiation of Mature Arabidopsis under Blue Light Associated with Low Phytochrome Activity

Version 1 : Received: 10 May 2021 / Approved: 13 May 2021 / Online: 13 May 2021 (13:29:21 CEST)

How to cite: Kong, Y.; Zheng, Y. Low-activity Cryptochrome 1 Plays a Role in Promoting Stem Elongation and Flower Initiation of Mature Arabidopsis under Blue Light Associated with Low Phytochrome Activity. Preprints 2021, 2021050298 (doi: 10.20944/preprints202105.0298.v1). Kong, Y.; Zheng, Y. Low-activity Cryptochrome 1 Plays a Role in Promoting Stem Elongation and Flower Initiation of Mature Arabidopsis under Blue Light Associated with Low Phytochrome Activity. Preprints 2021, 2021050298 (doi: 10.20944/preprints202105.0298.v1).

Abstract

To clarify whether cryptochrome contributes to stem elongation and flowering promoted by blue lights associated with low phytochrome activity, wild-type Arabidopsis was compared with its cryptochrome-deficient mutants and cryptochrome-overexpressing transgenic plants. Results indicated that the promotion effects were mainly related to low CRY1 activity, despite partial involvement of high-activity CRY2.

Subject Areas

cryptochrome; phytochrome; Arabidopsis; mutants; stem elongation; flowering

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