Intrinsic bioremediation potential of a chronically polluted marine coastal area

被引：40

作者：

Catania, Valentina ^{[1
]}

Santisi, Santina ^{[2
,3
]}

Signa, Geraldina ^{[4
]}

Vizzini, Salvatrice ^{[4
]}

Mazzola, Antonio ^{[4
]}

Cappello, Simone ^{[2
]}

Yakimov, Michail M. ^{[2
]}

Quatrini, Paola ^{[1
]}

机构：

[1] Univ Palermo, Dept Biol Chem & Pharmaceut Sci & Technol STEBICE, I-90128 Palermo, Italy

[2] CNR Messina, Inst Coastal Marine Environm IAMC, I-98121 Messina, Italy

[3] Univ Messina, PhD Sch Cellular Biol & Biotechnol, Messina, Italy

[4] Univ Palermo, CoNISMa, Dept Earth & Marine Sci DISTEM, I-90123 Palermo, Italy

来源：

MARINE POLLUTION BULLETIN | 2015年 / 99卷 / 1-2期

关键词：

Sediment bacteria; Hydrocarbonoclastic bacteria; DGGE; PLFA; Oleibacter; OIL-SPILL BIOREMEDIATION; HYDROCARBON-DEGRADING BACTERIA; MICROBIAL COMMUNITY DYNAMICS; PHOSPHOLIPID FATTY-ACID; CRUDE-OIL; PREDOMINANT GROWTH; GEN; NOV; SP; BIODEGRADATION; ALCANIVORAX;

D O I：

10.1016/j.marpolbul.2015.07.042

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A microbiological survey of the Priolo Bay (eastern coast of Sicily, Ionian Sea), a chronically polluted marine coastal area, was carried out in order to discern its intrinsic bioremediation potential. Microbiological analysis, 16S rDNA-based DGGE fingerprinting and PLFAs analysis were performed on seawater and sediment samples from six stations on two transects. Higher diversity and variability among stations was detected by DGGE in sediment than in water samples although seawater revealed higher diversity of culturable hydrocarbon-degrading bacteria. The most polluted sediment hosted higher total bacterial diversity and higher abundance and diversity of culturable HC degraders. Alkane- and PAH-degrading bacteria were isolated from all stations and assigned to Alcanivorax, Marinobacter, Thalassospira, Alteromonas and Oleibacter (first isolation from the Mediterranean area). High total microbial diversity associated to a large selection of HC degraders is believed to contribute to natural attenuation of the area, provided that new contaminant contributions are avoided. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：138 / 149

页数：12

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