THE EUCALYPTUS GRANDIS CHLOROPLAST PROTEOME: INSIGHTS FROM LEAF DEVELOPMENT AND SEASONAL VARIATIONS

Amanda Cristina Baldassi; Tiago Santana Balbuena

All Papers

Submission

Paper Title

THE EUCALYPTUS GRANDIS CHLOROPLAST PROTEOME: INSIGHTS FROM LEAF DEVELOPMENT AND SEASONAL VARIATIONS

Authors

Amanda Cristina Baldassi
Tiago Santana Balbuena

Modality

Abstract

Subject area

Plant Physiology

Publishing Date

26/09/2022

Country of Publishing

Brasil

Language of Publishing

Inglês

Paper Page

https://www.even3.com.br/anais/cbfv2022_registration/511534-the-eucalyptus-grandis-chloroplast-proteome--insights-from-leaf-development-and-seasonal-variations

ISBN

978-65-5941-830-5

Keywords

eucalyptus, plant-environment interaction, sub-cellular proteomics

Summary

Chloroplast metabolism is very sensitive to environmental fluctuations and is intimately related to plant leaf development. Characterization of the chloroplast proteome dynamics can contribute to a better understanding on plant adaptation to different climate scenarios and leaf development processes. Herein, we carried out a discovery-driven proteome analysis of the Eucalyptus grandis chloroplast proteome during leaf maturation and throughout different seasons of the year. The chloroplast proteome from young leaves differed the most from all assessed samples. Most up-regulated proteins identified in young and mature leaves were those related to biogenesis/biosynthetic processes and catabolic/oxidative stress, respectively. Seasonal dynamics revealed that fall and spring periods have the most dissimilar chloroplast proteomes in tropical regions. The most abundant chloroplast protein in humid seasons (spring and summer) was a small subunit of RuBisCO, while in the dry periods (fall and winter) the proteins that showed the most pronounced accumulation were associated with photo-oxidative damage, Calvin cycle, shikimate pathway, and detoxification. Our investigation of the chloroplast proteome of these two different events revealed significant alterations in relation to the leaf maturation process and also suggest that transient seasons induced the most pronounced chloroplast proteome changes over the year. This study contributes to a more comprehensive understanding of the age-associated events that ultimately leads to leaf adaptation in Eucalyptus grandis.

Title of the Event: XVIII Brazilian Congress of Plant Physiology and I Ibero-latinoamerican Congress of Plant Biology
City of the Event: Porto Alegre
Title of the Proceedings of the event: Annals of the Brazilian Congress of Plant Physiology and Ibero-latinamerican Congress of Plant Biology
Name of the Publisher: Even3
Means of Dissemination: Meio Digital

How to cite

BALDASSI, Amanda Cristina; BALBUENA, Tiago Santana. THE EUCALYPTUS GRANDIS CHLOROPLAST PROTEOME: INSIGHTS FROM LEAF DEVELOPMENT AND SEASONAL VARIATIONS.. In: Annals of the Brazilian Congress of Plant Physiology and Ibero-latinamerican Congress of Plant Biology. Anais...Porto Alegre(RS) CEPUCRS, 2022. Available in: https//www.even3.com.br/anais/cbfv2022_registration/511534-THE-EUCALYPTUS-GRANDIS-CHLOROPLAST-PROTEOME--INSIGHTS-FROM-LEAF-DEVELOPMENT-AND-SEASONAL-VARIATIONS. Access in: 08/06/2025