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Identification of the Likely Orthologues of RCD1 within the Plant Family Brassicaceae

Beena Siddiqua, Syeda Qamarunnisa, Abid Azhar
doi: https://doi.org/10.1101/2020.04.10.035501
Beena Siddiqua
1The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi-75270, Pakistan
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  • For correspondence: beena.siddiqua@outlook.com
Syeda Qamarunnisa
1The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi-75270, Pakistan
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Abid Azhar
1The Karachi Institute of Biotechnology and Genetic Engineering (KIBGE), University of Karachi, Karachi-75270, Pakistan
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ABSTRACT

RCD1 is a signal transduction factor binding protein that gateways a myriad of developmental and stress-related pathways. It was first reported in the wild plant A. thaliana. Brassica napus is a cultivated member of the family Brassicaceae, in which the presence of this gene was reported. Using the homology data of these two family-related species, gene for this protein was mined within the genomes of Brassica carinata, Brassica juncea and Brassica oleracea, using sets of degenerate primers designed on homologous portions of the A. thaliana and B. napus orthologues. The newly identified sequences were then compared and studied using in-silico means and their 3D structures were modelled for having an estimate on their functions. Results demonstrate intergeneric conservation of this protein’s domains on structural and functional levels. The newly found orthologues show potential to be regulated under salinity and oxidative stresses apart from being involved in several developmental stages. These homologues are in-stable in-vivo and bear motifs for binding a wide-variety of transcription factors. The structure superimposition studies suggest that these Brassica orthologues bear the WWE domains having transferase activity, the fact that can dramatically increase the survival of these agriculturally important crop plants amid the adverse environmental conditions.

Competing Interest Statement

The authors have declared no competing interest.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
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Posted April 10, 2020.
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Identification of the Likely Orthologues of RCD1 within the Plant Family Brassicaceae
Beena Siddiqua, Syeda Qamarunnisa, Abid Azhar
bioRxiv 2020.04.10.035501; doi: https://doi.org/10.1101/2020.04.10.035501
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Identification of the Likely Orthologues of RCD1 within the Plant Family Brassicaceae
Beena Siddiqua, Syeda Qamarunnisa, Abid Azhar
bioRxiv 2020.04.10.035501; doi: https://doi.org/10.1101/2020.04.10.035501

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