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Auxin signaling pathways and their interactions with the circadian clock in sugarcane

Grant number: 13/08574-6
Support Opportunities:Scholarships in Brazil - Doctorate
Start date: July 01, 2013
End date: December 31, 2016
Field of knowledge:Biological Sciences - Biochemistry - Molecular Biology
Principal Investigator:Carlos Takeshi Hotta
Grantee:Gustavo Antônio Teixeira Chaves
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:11/00818-8 - Development of alternative biological models for the study of sugarcane regulatory networks, AP.BIOEN.JP

Abstract

Sugarcane is a cultivar with great economical importance. There has been an effort to develop new biotechnological tools that could increase sugarcane productivity or add new features to the crop, like drought resistance. Recent studies in our research group found that a relatively high proportion of the sugarcane transcriptome is under control of the circadian clock. Among these transcripts, are many genes related to hormonal signaling, particularly auxin signaling. Auxin signaling pathways, together with the circadian clock, are signaling networks with great impact in plant biology. The main goal of this project is to investigate de auxin signaling pathways in sugarcane, and their relation to the circadian clock. To achieve this purpose, we intend to use sugarcane plantlets in vitro as biological model. These plantlets will be used to evaluate auxin biological responses in sugarcane, and to evaluate if these responses are modulated by the circadian clock. This project may expand our knowledge of the interaction between two signaling pathways relevant to plant biology, which may be relevant for different approaches for sugarcane enhancement. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ALVES-LIMA, CICERO; CAVACANA, NATALE; TEIXEIRA CHAVES, GUSTAVO ANTONIO; DE LIMA, NATALIA OLIVEIRA; STEFANELLO, ELIEZER; COLEPICOLO, PIO; HOTTA, CARLOS TAKESHI. Reference genes for transcript quantification in Gracilaria tenuistipitata under drought stress. JOURNAL OF APPLIED PHYCOLOGY, v. 29, n. 2, p. 731-740, . (13/05301-9, 10/14893-9, 11/00818-8, 10/50193-1, 13/08574-6)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CHAVES, Gustavo Antônio Teixeira. Auxin signaling pathways and their interactions with the sugarcane circadian clock. 2018. Doctoral Thesis - Universidade de São Paulo (USP). Conjunto das Químicas (IQ e FCF) (CQ/DBDCQ) São Paulo.