Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico

The Gulf of Mexico (GoM) is an important source of oil for the United States and Mexico. There has been growing interest, particularly after the Deepwater Horizon oil spill, in characterizing the fungal diversity of the GoM and identifying isolates for use in the bioremediation of petroleum in the e...
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Autor*in:	Lucia Romero-Hernández [verfasserIn] Patricia Velez [verfasserIn] Itandehui Betanzo-Gutiérrez [verfasserIn] María Dolores Camacho-López [verfasserIn] Rafael Vázquez-Duhalt [verfasserIn] Meritxell Riquelme [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	heavy crude oil mycodegradation deep-sea fungi bioremediation fungal isolation

Übergeordnetes Werk:	In: Applied Sciences - MDPI AG, 2012, 11(2021), 13, p 6090
Übergeordnetes Werk:	volume:11 ; year:2021 ; number:13, p 6090

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/app11136090

Katalog-ID:	DOAJ055474241

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callnumber-first	T - Technology
author	Lucia Romero-Hernández
spellingShingle	Lucia Romero-Hernández misc TA1-2040 misc QH301-705.5 misc QC1-999 misc QD1-999 misc heavy crude oil misc mycodegradation misc deep-sea fungi misc bioremediation misc fungal isolation misc Technology misc T misc Engineering (General). Civil engineering (General) misc Biology (General) misc Physics misc Chemistry Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico
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topic_title	TA1-2040 QH301-705.5 QC1-999 QD1-999 Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico heavy crude oil mycodegradation deep-sea fungi bioremediation fungal isolation
topic	misc TA1-2040 misc QH301-705.5 misc QC1-999 misc QD1-999 misc heavy crude oil misc mycodegradation misc deep-sea fungi misc bioremediation misc fungal isolation misc Technology misc T misc Engineering (General). Civil engineering (General) misc Biology (General) misc Physics misc Chemistry
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title	Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico
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title_sort	extra-heavy crude oil degradation by <i<alternaria</i< sp. isolated from deep-sea sediments of the gulf of mexico
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title_auth	Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico
abstract	The Gulf of Mexico (GoM) is an important source of oil for the United States and Mexico. There has been growing interest, particularly after the Deepwater Horizon oil spill, in characterizing the fungal diversity of the GoM and identifying isolates for use in the bioremediation of petroleum in the event of another spill. Most studies have focused on light crude oil bioremediation processes, while heavy crude oil (HCO) and extra-heavy crude oil (EHCO) have been largely ignored. In this work, we evaluated the ability of fungal isolates obtained from deep-sea sediments of the Mexican economic exclusive zone (EEZ) of the GoM to degrade HCO (16–20° API) and EHCO (7–10° API). <i<Alternaria</i< sp., <i<Penicillium</i< spp., and <i<Stemphylium</i< sp. grew with HCO as the sole carbon source. Remarkably, <i<Alternaria</i< sp. was the only isolate able to grow with EHCO as the sole carbon source, degrading up to 25.6% of the total EHCO and 91.3% of the aromatic fraction, as demonstrated by gas chromatography analysis of the saturate, aromatic, and polar fractions. These findings proved to be significant, identifying <i<Alternaria</i< sp. as one of the few fungi reported so far capable of degrading untreated EHCO and as a suitable candidate for bioremediation of EHCO in future studies.
abstractGer	The Gulf of Mexico (GoM) is an important source of oil for the United States and Mexico. There has been growing interest, particularly after the Deepwater Horizon oil spill, in characterizing the fungal diversity of the GoM and identifying isolates for use in the bioremediation of petroleum in the event of another spill. Most studies have focused on light crude oil bioremediation processes, while heavy crude oil (HCO) and extra-heavy crude oil (EHCO) have been largely ignored. In this work, we evaluated the ability of fungal isolates obtained from deep-sea sediments of the Mexican economic exclusive zone (EEZ) of the GoM to degrade HCO (16–20° API) and EHCO (7–10° API). <i<Alternaria</i< sp., <i<Penicillium</i< spp., and <i<Stemphylium</i< sp. grew with HCO as the sole carbon source. Remarkably, <i<Alternaria</i< sp. was the only isolate able to grow with EHCO as the sole carbon source, degrading up to 25.6% of the total EHCO and 91.3% of the aromatic fraction, as demonstrated by gas chromatography analysis of the saturate, aromatic, and polar fractions. These findings proved to be significant, identifying <i<Alternaria</i< sp. as one of the few fungi reported so far capable of degrading untreated EHCO and as a suitable candidate for bioremediation of EHCO in future studies.
abstract_unstemmed	The Gulf of Mexico (GoM) is an important source of oil for the United States and Mexico. There has been growing interest, particularly after the Deepwater Horizon oil spill, in characterizing the fungal diversity of the GoM and identifying isolates for use in the bioremediation of petroleum in the event of another spill. Most studies have focused on light crude oil bioremediation processes, while heavy crude oil (HCO) and extra-heavy crude oil (EHCO) have been largely ignored. In this work, we evaluated the ability of fungal isolates obtained from deep-sea sediments of the Mexican economic exclusive zone (EEZ) of the GoM to degrade HCO (16–20° API) and EHCO (7–10° API). <i<Alternaria</i< sp., <i<Penicillium</i< spp., and <i<Stemphylium</i< sp. grew with HCO as the sole carbon source. Remarkably, <i<Alternaria</i< sp. was the only isolate able to grow with EHCO as the sole carbon source, degrading up to 25.6% of the total EHCO and 91.3% of the aromatic fraction, as demonstrated by gas chromatography analysis of the saturate, aromatic, and polar fractions. These findings proved to be significant, identifying <i<Alternaria</i< sp. as one of the few fungi reported so far capable of degrading untreated EHCO and as a suitable candidate for bioremediation of EHCO in future studies.
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title_short	Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico
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Extra-Heavy Crude Oil Degradation by <i<Alternaria</i< sp. Isolated from Deep-Sea Sediments of the Gulf of Mexico

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