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The ITS-based phylogeny of fungi associated with tarballs

DRS at CSIR-National Institute of Oceanography

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Title The ITS-based phylogeny of fungi associated with tarballs
 
Creator Sanyal, O.
Shinde, V.L.
Meena, R.M.
Damare, S.R.
Shenoy, B.D.
 
Subject Aquatic pollution
Aquatic pollution
Microbiology
Microbiology
 
Description Tarballs, the remnants of crude oil which change into semi-solid phase due to various weathering processes in the sea, are rich in hydrocarbons, including toxic and almost non-degradable hydrocarbons. Certain microorganisms such as fungi are known to utilize hydrocarbons present in tarballs as sole source of carbon for nutrition. Previous studies have reported 53 fungal taxa associated with tarballs. There is apparently no gene sequence-data available for the published taxa so as to verify the fungal identification using modern taxonomic tools. The objective of the present study is to isolate fungi from tarballs collected from Candolim beach in Goa, India and investigate their phylogenetic diversity based on 5.8S rRNA gene and the flanking internal transcribed spacer regions (ITS) sequence analysis. In the ITS-based NJ tree, eight tarball-associated fungal isolates clustered with 3 clades of Dothideomycetes and 2 clades of Saccharomycetes. To the best of our knowledge, this is the first study that has employed ITS-based phylogeny to characterize the fungal diversity associated with tarballs. Further studies are warranted to investigate the role of the tarball-associated fungi in degradation of recalcitrant hydrocarbons present in tarballs and the role of tarballs as carriers of human pathogenic fungi
 
Date 2017-02-14T11:54:23Z
2017-02-14T11:54:23Z
2016
 
Type Journal Article
 
Identifier Marine Pollution Bulletin, vol.113(1-2); 2016; 277-281
http://drs.nio.org/drs/handle/2264/5066
 
Language en
 
Rights An edited version of this paper was published by Elsevier. Copyright [2016] Elsevier
 
Publisher Elsevier