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Extremophiles

, Volume 23, Issue 5, pp 557–568 | Cite as

Aspergillus loretoensis, a single isolate from marine sediment of Loreto Bay, Baja California Sur, México resulting as a new obligate halophile species

  • Sophia González-Martínez
  • Clara Galindo-Sánchez
  • Edgar López-Landavery
  • Carmen Paniagua-Chávez
  • Amelia Portillo-LópezEmail author
Original Paper
  • 76 Downloads

Abstract

An obligate halophile fungal was isolated from 275 m deep marine sediments and is characterized here for the first time. Its optimal growth was at 15% NaCl even though it was able to grow at 25% and is incapable of growth with no NaCl. Based on its morphological characteristics as conidia chain production in a single phialide, the fungal is related to the genus Aspergillus, subgenus Polypaecilum. Phylogenetic molecular analysis using several markers (ITS1–2; RPB1; RPB2; Cct8; TSR1; CaM; BenA) places the fungal isolate closer to Aspergillus salinarus and A. baarnensis. However, its morphological and molecular differences establish it as a new species, Aspergillus loretoensis sp. nov.

Keywords

Ascomycota Extremophile fungi Salt tolerance Marine fungi Micromycetes 

Abbreviations

YPD

Yeast, peptone, dextrose media

BSA

Bovine serum albumin

GBAN

Genbank accession number

avg

Average

Notes

Acknowledgements

We thank Consejo Nacional de Ciencia y Tecnología for their support with the Ph.D. scholarship. We are grateful to Universidad Autónoma de Baja California and Centro de Investigaciones Científicas y de Educación Superior de Ensenada to allow us to use their facilities.

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Copyright information

© Springer Japan KK, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Facultad de CienciasUniversidad Autónoma de Baja CaliforniaEnsenadaMexico
  2. 2.Centro de Investigación Científica y de Educación Superior de EnsenadaEnsenadaMexico

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