Toxicocladosporium aquimarinum sp. nov. and Toxicocladosporium qatarense sp. nov., isolated from marine waters of the Arabian Gulf surrounding Qatar

Rashmi Fotedar, Marcelo Sandoval-Denis, Anna Kolecka, Aisha Zeyara, Ameena Al Malki, Hamad Al Shammari, Masoud Al Marri, R Kaul, Teun Boekhout

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Abstract

The Arabian Gulf surrounding Qatar is distinct from other marine ecosystems due to its high salinity (35-75 PSU) and extreme water temperature fluctuations (11-40 °C). Furthermore, in the last decade, Qatar has been witnessing an industrial boom as well as extensive infrastructure construction activities. Marine micro-organisms, including fungi, remain largely unexplored in the Arabian Gulf. During a 3 year study, we investigated the diversity of marine fungi in coastal waters around Qatar. As a result, two new Toxicocladosporium species were isolated from the Qatari marine environment. Molecular and phylogenetic analyses of rRNA gene sequences of five loci, namely the internal transcribed spacer 1 and 2 regions and the D1/D2 domains of the large subunit rRNA, actin, RNA polymerase second largest subunit and beta-tubulin genes, were used to confirm the identity of the novel species for which we propose the names Toxicocladosporium aquimarinum sp. nov. and Toxicocladosporium qatarense sp. nov.

Original languageEnglish
Pages (from-to)2992-3000
Number of pages9
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume69
Issue number10
DOIs
Publication statusPublished - Oct 2019

Keywords

  • Ascomycota/classification
  • DNA, Fungal/genetics
  • DNA, Ribosomal Spacer/genetics
  • Ecosystem
  • Mycological Typing Techniques
  • Phylogeny
  • Qatar
  • Salinity
  • Seawater/microbiology
  • Sequence Analysis, DNA

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