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Diversity 2018, 10(4), 107; https://doi.org/10.3390/d10040107

First Record of Juncaceicola as Endophytic Fungi Associated with Deschampsia antarctica Desv.

1
Núcleo de Estudos da Vegetação Antártica (NEVA), Universidade Federal do Pampa (UNIPAMPA), Avenida Antônio Trilha, 1847, São Gabriel CEP 97300-000, Brazil
2
Grupo de Investigación Biología para la Conservación, Departamento de Biología, Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte 39-115, Tunia 150003, Colombia
3
Laboratório de Ecologia Evolutiva de Plantas (LEEP), Departamento de Biologia Vegetal, Universidade Federal de Viçosa (UFV), Av. PH Rolfs, Viçosa CEP 36570-000, Brazil
*
Author to whom correspondence should be addressed.
Received: 13 April 2018 / Revised: 20 July 2018 / Accepted: 31 July 2018 / Published: 27 September 2018
(This article belongs to the Special Issue Climate Change Impacts on Alpine and Polar Plants)
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Abstract

In the current study, we present the molecular characterization of an endophyte fungus associated with the leaves of Deschampsia antarctica Desv. (Poaceae), a monocot species native to Antarctica. The isolate was obtained from 90 leaf fragments from two distinct collection sites, both located on Half Moon Island, South Shetland Islands and Maritime Antarctica. The internal transcribed spacer region (ITS) was sequenced and the endophytic fungus was identified as belonging to the genus Juncaceicola Tennakoon, Camporesi, Phook and K.D. Hyde (99% nucleotide sequence identity). When compared to all fungi of the genus Juncaceicola deposited in data base, our isolate showed greater proximity with Juncaceicola typharum, however, because it presents a low bootstrap value to be considered a new species, we treat it as Juncaceicola cf. typharum. Moreover, the identification of our isolate as belonging to the genus Juncaceicola makes this the first occurrence of a species of this genus to be associated with the leaves of Antarctic plants. This work is considered as a starting point for other studies with fungi of this genus associated with leaves of Deschampsia antarctica, as it presents results from two collection points on a single Antarctic island, suggesting that new sites and new Antarctic islands should be explored. View Full-Text
Keywords: antarctic; mycodiversity; taxonomy; phylogeny; isolation; fungi antarctic; mycodiversity; taxonomy; phylogeny; isolation; fungi
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de Andrade, G.A.K.; Cañón, E.R.P.; Alves, R.P.; Schmitz, D.; Schünemann, A.L.; de Albuquerque, M.P.; Putzke, J.; Pereira, A.B.; de Carvalho Victoria, F. First Record of Juncaceicola as Endophytic Fungi Associated with Deschampsia antarctica Desv.. Diversity 2018, 10, 107.

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