Potassium- or sodium-efflux ATPase, a key enzyme in the evolution of fungi

Microbiology
Begoña BenitoAlonso Rodríguez-Navarro

Abstract

Potassium is the most abundant cation in cells. Therefore, plant-associated fungi and intracellular parasites are permanently or circumstantially exposed to high K(+) and must avoid excessive K(+) accumulation activating K(+) efflux systems. Because high K(+) and high pH are compatible in natural environments, free-living organisms cannot keep a permanent transmembrane DeltapH and cannot rely only on K(+)/H(+) antiporters, as do mitochondria. This study shows that the Schizosaccharomyces pombe CTA3 is a K(+)-efflux ATPase, and that other fungi are furnished with Na(+)-efflux ATPases, which also pump Na(+). All these fungal ATPases, including those pumping only Na(+), form a phylogenetic group, IID or ENA, among P-type ATPases. By searching in databases and partial cloning of ENA genes in species of Zygomycetes and Basidiomycetes, the authors conclude that probably all fungi have these genes. This study indicates that fungal K(+)- or Na(+)-ATPases evolved from an ancestral K(+)-ATPase, through processes of gene duplication. In yeast hemiascomycetes these duplications have occurred recently and produced bifunctional ATPases, whereas in Neurospora, and probably in other euascomycetes, they occurred earlier in evolution and produce...Continue Reading

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Citations

Aug 25, 2010·The New Phytologist·Devrim CoskunHerbert J Kronzucker
Jan 10, 2014·The New Phytologist·Begoña Benito, Manuel González-Guerrero
Jul 24, 2010·Biochimica Et Biophysica Acta·Alonso Rodríguez-Navarro, Begoña Benito
Mar 17, 2011·Fungal Genetics and Biology : FG & B·Begoña BenitoAlonso Rodríguez-Navarro
Jan 19, 2011·FEMS Microbiology Letters·José RamosHana Sychrová
Nov 18, 2003·The Plant Journal : for Cell and Molecular Biology·Begoña Benito, Alonso Rodríguez-Navarro
Sep 11, 2002·Molecular Biology of the Cell·Amanda GreenallSimon K Whitehall
Sep 8, 2018·Yeast·Joaquín AriñoHana Sychrova
Jun 24, 2009·The Journal of Membrane Biology·Mark D Thever, Milton H Saier
Sep 17, 2009·Plant Molecular Biology·Ana Fraile-EscancianoBegoña Benito
Sep 17, 2005·Journal of Bioenergetics and Biomembranes·Javier Barrero-GilBegoña Benito
May 12, 2006·The Journal of Biological Chemistry·Martha V RadchenkoTatsunosuke Nakamura
Oct 14, 2003·FEMS Yeast Research·Fernando Calero, José Ramos
Mar 10, 2006·Eukaryotic Cell·Maria Jose Hernandez-LopezFrancisca Randez-Gil
May 6, 2019·International Journal of Molecular Sciences·Antonella LocascioLynne Yenush
Apr 13, 2004·Eukaryotic Cell·Begoña BenitoAlonso Rodríguez-Navarro
Mar 2, 2010·Eukaryotic Cell·Marc MosimannPascal Mäser
Mar 4, 2010·Microbiology and Molecular Biology Reviews : MMBR·Joaquín AriñoHana Sychrová
Nov 20, 2018·Nature Communications·Swarup ChinaAlexander Laskin
Jun 11, 2020·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Larissa Gomes da SilvaAntonio Rossi

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