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An unusual Xanthophyllomyces strain from leaves of Eucalyptus globulus in Chile |
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| Authors: | Roland WS Weber Jos Becerra Mario J Silva Paolo Davoli |
| Institution: | aLehrbereich Biotechnologie, Technische Universität Kaiserslautern, Erwin-Schroedinger-Strasse 56, 67663 Kaiserslautern, Germany;bFacultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla Postal 2407, Concepción, Chile;cDipartimento di Chimica, Università di Modena e Reggio Emilia, via Campi 183, 41100 Modena, Italy |
| Abstract: | Xanthophyllomyces sp. was isolated as an epiphytic red yeast from leaves of Eucalyptus glo-bulus in Concepción, Chile. Sexual reproduction was by basidiospores produced from one or rarely two metabasidia arising from a yeast cell without preceding paedogamy. The main carotenoid pigment was astaxanthin. This isolate did not cluster with the X. dendrorhous complex (including Phaffia rhodozyma) in ITS and 26S rDNA-based phylogenetic analyses. The phylloplane may be a further habitat for Xanthophyllomyces, in addition to the well-known spring sap-flows of deciduous trees and the recently-characterised ascostromata of Cyttaria hariotii. |
| Keywords: | Eucalyptus globulus Phaffia rhodozyma Phylloplane yeast Sap-flow Xanthophyllomyces dendrorhous |
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