A Spotlight on Rad52 in Cyanidiophytina (Rhodophyta): A Relic in Algal Heritage.
Cyanidiophytina
Galdieria
RAD52
extremophiles
homologous recombination
Journal
Plants (Basel, Switzerland)
ISSN: 2223-7747
Titre abrégé: Plants (Basel)
Pays: Switzerland
ID NLM: 101596181
Informations de publication
Date de publication:
19 Feb 2019
19 Feb 2019
Historique:
received:
18
12
2018
revised:
12
02
2019
accepted:
15
02
2019
entrez:
23
2
2019
pubmed:
23
2
2019
medline:
23
2
2019
Statut:
epublish
Résumé
The RADiation sensitive52 (RAD52) protein catalyzes the pairing between two homologous DNA sequences' double-strand break repair and meiotic recombination, mediating RAD51 loading onto single-stranded DNA ends, and initiating homologous recombination and catalyzing DNA annealing. This article reports the characterization of RAD52 homologs in the thermo-acidophilic Cyanidiophyceae whose genomes have undergone extensive sequencing. Database mining, phylogenetic inference, prediction of protein structure and evaluation of gene expression were performed in order to determine the functionality of the RAD52 protein in Cyanidiophyceae. Its current function in Cyanidiophytina could be related to stress damage response for thriving in hot and acidic environments as well as to the genetic variability of these algae, in which, conversely to extant Rhodophyta, sexual mating was never observed.
Identifiants
pubmed: 30791384
pii: plants8020046
doi: 10.3390/plants8020046
pmc: PMC6410040
pii:
doi:
Types de publication
Journal Article
Langues
eng
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