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Gigantea: Uncovering New Functions in Flower Development

Authors
  • Brandoli, Claudio1
  • Petri, Cesar
  • Egea-Cortines, Marcos1
  • Weiss, Julia1
  • 1 (M.E.-C.)
Type
Published Article
Journal
Genes
Publisher
MDPI AG
Publication Date
Sep 28, 2020
Volume
11
Issue
10
Identifiers
DOI: 10.3390/genes11101142
PMID: 32998354
PMCID: PMC7600796
Source
PubMed Central
Keywords
License
Green

Abstract

GIGANTEA (GI) is a gene involved in multiple biological functions, which have been analysed and are partially conserved in a series of mono- and dicotyledonous plant species. The identified biological functions include control over the circadian rhythm, light signalling, cold tolerance, hormone signalling and photoperiodic flowering. The latter function is a central role of GI , as it involves a multitude of pathways, both dependent and independent of the gene CONSTANS(CO) , as well as on the basis of interaction with miRNA. The complexity of the gene function of GI increases due to the existence of paralogs showing changes in genome structure as well as incidences of sub- and neofunctionalization. We present an updated report of the biological function of GI , integrating late insights into its role in floral initiation, flower development and volatile flower production.

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