globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2015.02.027
Scopus记录号: 2-s2.0-84929281380
论文题名:
Enterococcus species diversity and molecular characterization of biomarker genes in Enterococcus faecalis in Port Blair Bay, Andaman and Nicobar Islands, India
作者: Meena B.; Anburajan L.; Sathish T.; Raghavan R.V.; Jha D.K.; Venkateshwaran P.; Das A.K.; Dheenan P.S.; Vinithkumar N.V.; Dharani G.; Kirubagaran R.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2015
卷: 94, 期:2018-01-02
起始页码: 217
结束页码: 227
语种: 英语
英文关键词: Antibiotic resistance ; Biomarker genes ; Box-whisker plots ; Cluster analysis ; Enterococcus sp.
Scopus关键词: Antibiotics ; Bacilli ; Bacteria ; Cluster analysis ; Multivariant analysis ; Antibiotic resistance ; Box-whisker plots ; Enterococcus faecalis ; Enterococcus sp ; Molecular characterization ; Multi variate analysis ; Sequence analysis ; Shannon-wiener diversity indices ; Genes ; ampicillin ; streptomycin ; surface water ; genetic marker ; antibiotic resistance ; bacterium ; biomarker ; cluster analysis ; diversity index ; relative abundance ; species diversity ; aadE gene ; antibiotic resistance ; antibiotic sensitivity ; Article ; asa1 gene ; bacterial gene ; bacterium contamination ; bacterium isolate ; bay ; colony forming unit ; cylA gene ; ef0591 gene ; Enterococcus avium ; Enterococcus casseliflavus ; Enterococcus durans ; Enterococcus faecalis ; Enterococcus faecium ; Enterococcus hirae ; Enterococcus mundii ; Enterococcus saccharolyticus ; esp gene ; gelE gene ; gene sequence ; hyl gene ; India ; nonhuman ; nucleotide sequence ; pbp4 gene ; phylogeny ; physical chemistry ; population abundance ; population research ; RNA sequence ; sequence analysis ; species diversity ; species richness ; water pollution ; water temperature ; classification ; Enterococcus ; Enterococcus faecalis ; environmental monitoring ; feces ; genetic marker ; genetic variability ; genetics ; growth, development and aging ; island (geological) ; microbiology ; physiology ; Andamans and Nicobars ; India ; Port Blair Bay ; Enterococcus ; Enterococcus avium ; Enterococcus faecalis ; Enterococcus hirae ; Enterococcus sp. ; Bays ; Enterococcus ; Enterococcus faecalis ; Environmental Monitoring ; Feces ; Genetic Markers ; Genetic Variation ; India ; Islands ; Water Microbiology
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: This study was performed to evaluate the abundance and diversity of Enterococcus sp. and the distribution of biomarker genes in Enterococcus faecalis in Port Blair Bay, Andaman and Nicobar Islands. The Enterococcus sp. densities at the seven sampling stations were highly influenced by tidal fluctuations and season. The distributions and diversities of species varied in the inner and outer regions of Port Blair Bay. Among the 1816 total isolates, the occurrence of fecal Enterococcus was high (1.78×104CFU/100mL) in Phoenix Bay. Moreover, 67.76% of the isolates were identified as Enterococcus, and the most frequently identified species were E. hirae, E. avium and E. faecalis. Assessments of antibiotic resistance and biomarker genes revealed the maximum occurrence in the Aberdeen Bay isolates. The most prevalent biomarker genes observed in the E. faecalis isolates were gelE and asa1, whereas cyl was not found among the isolates. In silico sequence analysis of biomarker genes of E. faecalis also revealed that they are evolutionarily well conserved with those of earlier reports. Further, multivariate analysis distinguished the JB, PB and OS stations from the other stations according to distinctive microbial densities and compositions. In addition, the Shannon-Wiener diversity indices and box-whisker plots further facilitated and supported the multivariate results. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/86116
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: Andaman and Nicobar Centre for Ocean Science and Technology, Earth System Sciences Organization-National Institute of Ocean Technology (ESSO-NIOT), Port Blair 744 103, Andaman and Nicobar Islands, India; Marine Biotechnology Division, Ocean Science and Technology for Islands Group, ESSO-NIOT, Ministry of Earth Sciences, Govt. of India, Chennai, India

Recommended Citation:
Meena B.,Anburajan L.,Sathish T.,et al. Enterococcus species diversity and molecular characterization of biomarker genes in Enterococcus faecalis in Port Blair Bay, Andaman and Nicobar Islands, India[J]. Marine Pollution Bulletin,2015-01-01,94(2018-01-02)
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