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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.04.037
|2 doi
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|a pubmed24n1085.xml
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|a eng
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|a Mauro, Maria Luisa
|e verfasserin
|4 aut
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|a Agrobacterium rhizogenes rolB oncogene
|b An intriguing player for many roles
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 15.06.2021
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|a Date Revised 15.06.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a The rolB oncogene is one of the so-called rol genes found in the T-DNA region of the Agrobacterium rhizogenes Ri plasmid and involved in the hairy root syndrome, a tumour characterized by adventitious root overgrowth on plant stem. rolB produces in plants a peculiar phenotype that, together with its root-inducing capacity, has been connected to auxin sensitivity. The gene is able to modify the plant genetic programme to induce meristem cells and direct them to differentiate not only roots, but also other cells, tissues or organs. Besides its essential function in hairy root pathogenesis, the rolB role has been progressively extended to cover several physiological aspects in the transgenic plants: from secondary metabolites production and ROS inhibition, to abiotic and biotic stress tolerance and photosynthesis improvement. Some of the observed effects could be determined, at least in part, through microRNAs molecules, suggesting an epigenetic control rolB-mediated. These multifaceted capacities could allow plants to withstand adverse environmental conditions, enhancing fitness. In spite of this expanding knowledge, functional analyses did not detect yet any definitive rolB-derived biochemical product, even if more than one enzymatic activity has been ascribed to it. Moreover, phylogenetic and evolutionary studies evidenced no homology with any plant sequences but, otherwise, it belongs to the Plast family, a group of rolB-homologous bacterial genes. Finally, the finding of sequences similar to rolB in plants not infected by A. rhizogenes suggests a hypothetical plant origin for this gene, implying different possibilities about its evolution
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|a Journal Article
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|a Review
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|a Agrobacterium rhizogenes
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|a Biotic and abiotic stress
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|a Epigenetic regulation
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|a Photosynthesis
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|a Plant fitness
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|a Secondary metabolites
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|a rolB gene
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|a Bettini, Priscilla P
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 165(2021) vom: 30. Aug., Seite 10-18
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:165
|g year:2021
|g day:30
|g month:08
|g pages:10-18
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|u http://dx.doi.org/10.1016/j.plaphy.2021.04.037
|3 Volltext
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