EgPHI-1, a PHOSPHATE-INDUCED-1 gene from Eucalyptus globulus, is involved in shoot growth, xylem fiber length and secondary cell wall properties (2020)
- Authors:
- Autor USP: FERRAZ, ANDRÉ LUIS - EEL
- Unidade: EEL
- DOI: 10.1007/s00425-020-03450-x
- Subjects: CELULOSE; LIGNINA
- Keywords: Cellulose; Exordium; Lignin; Secondary cell wall; Wood quality
- Agências de fomento:
- Language: Inglês
- Abstract: Here, we report the functional characterization of a PHOSPHATE-INDUCED PROTEIN 1 homologue showing diferential expression in xylem cells from Eucalyptus species of contrasting phenotypes for wood quality and growth traits. Our results indicated that this gene is a member of the PHI-1/EXO/EXL family. Analysis of the promoter cis-acting regulatory elements and expression responses to diferent treatments revealed that the Eucalyptus globulus PHI-1 (EgPHI-1) is transcriptionally regulated by auxin, cytokinin, wounding and drought. EgPHI-1 overexpression in transgenic tobacco changed the partitioning of biomass, favoring its allocation to shoots in detriment of roots. The stem of the transgenic plants showed longer xylem fbers and reduced cellulose content, while the leaf xylem had enhanced secondary cell wall thickness. UV microspectrophotometry of individual cell wall layers of fbers and vessels has shown that the transgenic plants exhibit diferences in the lignifcation of S2 layer in both cell types. Taken together, the results suggest that EgPHI-1 mediates the elongation of secondary xylem fbers, secondary cell wall thickening and composition, and lignifcation, making it an attractive target for biotechnological applications in forestry and biofuel crops.
- Imprenta:
- Source:
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
SOUSA, Aurizangela O. et al. EgPHI-1, a PHOSPHATE-INDUCED-1 gene from Eucalyptus globulus, is involved in shoot growth, xylem fiber length and secondary cell wall properties. Planta, v. 252, p. 1-17, 2020Tradução . . Disponível em: https://doi.org/10.1007/s00425-020-03450-x. Acesso em: 28 dez. 2025. -
APA
Sousa, A. O., Costa, M. G. C., Camillo, L. R., Assis, E. L. Z. A. T. C. M., Lima, N. S., Silva, G. O., et al. (2020). EgPHI-1, a PHOSPHATE-INDUCED-1 gene from Eucalyptus globulus, is involved in shoot growth, xylem fiber length and secondary cell wall properties. Planta, 252, 1-17. doi:10.1007/s00425-020-03450-x -
NLM
Sousa AO, Costa MGC, Camillo LR, Assis ELZATCM, Lima NS, Silva GO, Kirch RP, Silva D da C, Ferraz AL, Pasquali G. EgPHI-1, a PHOSPHATE-INDUCED-1 gene from Eucalyptus globulus, is involved in shoot growth, xylem fiber length and secondary cell wall properties [Internet]. Planta. 2020 ; 252 1-17.[citado 2025 dez. 28 ] Available from: https://doi.org/10.1007/s00425-020-03450-x -
Vancouver
Sousa AO, Costa MGC, Camillo LR, Assis ELZATCM, Lima NS, Silva GO, Kirch RP, Silva D da C, Ferraz AL, Pasquali G. EgPHI-1, a PHOSPHATE-INDUCED-1 gene from Eucalyptus globulus, is involved in shoot growth, xylem fiber length and secondary cell wall properties [Internet]. Planta. 2020 ; 252 1-17.[citado 2025 dez. 28 ] Available from: https://doi.org/10.1007/s00425-020-03450-x - Covalent immobilization of laccase in green coconut fiber and use in clarification of apple juice
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Informações sobre o DOI: 10.1007/s00425-020-03450-x (Fonte: oaDOI API)
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