PMID: 9431676Jan 1, 1997Paper

Banana sucrose-phosphate synthase gene expression during fruit ripening

Planta
J R do NascimentoM J Alcocer

Abstract

A 952-base pair polymerase-chain-reaction product of sucrose-phosphate synthase (SPS) (EC 2.3.1.14) from banana (Musa acuminata cv. Nanicão) fruit was cloned and used to study expression of the enzyme during development and ripening. The deduced amino acid sequence shows that banana SPS has a high homology with the leaf, tap-root and bean enzymes from other species. Enzyme activity, and mRNA and protein levels point to an increase in SPS expression during ripening. The accumulation of sucrose was correlated to starch degradation and happened 4 d after SPS mRNA and activity had reached their maxima. These results indicate that access to substrate and transcriptional activation with increase in SPS expression might be important regulatory events of sweetening during banana fruit ripening.

Citations

Dec 28, 2010·Plant & Cell Physiology·María V LaraMaría F Drincovich
Oct 12, 2000·Plant Physiology·A T Chávez-BárcenasL Herrera-Estrella
Jun 25, 2015·Frontiers in Plant Science·Carlos I Cruz-CárdenasRosa M Escobedo-GraciaMedrano
Apr 20, 2019·Frontiers in Plant Science·Beatriz Rosana Cordenunsi-LysenkoFernanda Helena Gonçalves Peroni-Okyta
Jul 25, 2019·Plant Molecular Biology·Clesivan Pereira Dos SantosJosé Hélio Costa

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