ArticleJournal of experimental botany2019
The control of endopolygalacturonase expression by the sugarcane RAV transcription factor during aerenchyma formation.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 20 citations in OpenAlex.
- Comparative transcriptomic analysis identifies conserved abiotic stress-responsive hub genes in Sorghum bicolor.BMC plant biology · 2026Article
- Interplay of different signaling mechanisms in regulating programmed cell death during plant development and in response to stresses.Protoplasma · 2026Review
- Article
- Transcription factor bHLH121 regulates root cortical aerenchyma formation in maize.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Genome-Wide Analysis of the RAV Gene Family in Wheat and Functional Identification of TaRAV1 in Salt Stress.International journal of molecular sciences · 2022Article
- Genome-Wide Association Study Reveals Marker Trait Associations (MTA) for Waterlogging-Triggered Adventitious Roots and Aerenchyma Formation in Barley.International journal of molecular sciences · 2022Article
- The dual interplay of RAV5 in activating nitrate reductases and repressing catalase activity to improve disease resistance in cassava.Plant biotechnology journal · 2021Article
- Newly identified miRNAs may contribute to aerenchyma formation in sugarcane roots.Plant direct · 2020Article
- Stressed to Death: The Role of Transcription Factors in Plant Programmed Cell Death Induced by Abiotic and Biotic Stimuli.Frontiers in plant science · 2020Review
- Cell wall hydrolases act in concert during aerenchyma development in sugarcane roots.Annals of botany · 2019Article
- Immunoprofiling of Cell Wall Carbohydrate Modifications During Flooding-Induced Aerenchyma Formation in Fabaceae Roots.Frontiers in plant science · 2019Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The development of lysigenous aerenchyma starts with cell expansion and degradation of pectin from the middle lamella, leading to cell wall modification, and culminating with cell separation. Here we report that nutritional starvation of sugarcane induced gene expression along sections of the first 5 cm of the root and between treatments. We selected two candidate genes: a RAV transcription factor, from the ethylene response factors superfamily, and an endopolygalacturonase (EPG), a glycosyl hydrolase related to homogalacturonan hydrolysis from the middle lamella. epg1 and rav1 transcriptional patterns suggest they are essential genes at the initial steps of pectin degradation during aerenchyma development in sugarcane. Due to the high complexity of the sugarcane genome, rav1 and epg1 were sequenced from 17 bacterial artificial chromosome clones containing hom(e)ologous genomic regions, and the sequences were compared with those of Sorghum bicolor. We used one hom(e)olog sequence from each gene for transactivation assays in tobacco. rav1 was shown to bind to the epg1 promoter, repressing β-glucuronidase activity. RAV repression upon epg1 transcription is the first reported link between ethylene regulation and pectin hydrolysis during aerenchyma formation. Our findings may help to elucidate cell wall degradation in sugarcane and therefore contribute to second-generation bioethanol production.
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