Occurrences and distribution of sulfonamide and tetracycline resistance genes in the Yangtze River Estuary and nearby coastal area

Marine Pollution Bulletin
Lan LinBaowei Chen

Abstract

The role of highly impacted estuaries needs to be examined with respect to the spread of antibiotic resistance genes in the environment. In the present study, sulfonamide resistance (sul), tetracycline resistance (tet) and class I integron (int1) genes were ubiquitous in the sediments of the Yangtze Estuary (YE) and nearby coastal area, and exhibited a declining trend from the inner estuary to the coast. Good relationships were only observed between int1 and sul1 genes, implying that int1 gene is essential to the proliferation of sul1 gene. A non-significant correlation between int1 and 16S rRNA genes indicated that the int1 gene came from pollution sources of ARGs instead of being intrinsic in environmental bacterial populations. Sulfonamides were rarely detected in the sediments of this region, so could not result in the production of sul genes in the local environment.

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Citations

Feb 23, 2018·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Chunyan LiJinming Wang
Feb 14, 2019·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Linglong WangGuoliang Wen
Dec 14, 2017·Environmental Science and Pollution Research International·Joanna GiebułtowiczGrzegorz Nałęcz-Jawecki
Jun 28, 2018·Environmental Science and Pollution Research International·Wenxing ZhaoGang Yu
Apr 13, 2018·International Journal of Environmental Research and Public Health·Xiaojuan WangHaichao Li
Jul 30, 2020·The Science of the Total Environment·Xing-Pan GuoYi Yang
Nov 20, 2020·The Science of the Total Environment·Longyao XuGuibin Jiang
Jul 3, 2021·Environmental Science and Pollution Research International·Jing LiZhonghua Wu

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