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Diversity and antibiotic resistance of bacteria from bathing beaches: based on the cultivation method
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Zhiyan YE1, Yun WANG1, 2, 3, 4, *, Zifei FENG1, Nuo CHEN1, Yuxin ZHU1, Mingqi HU1, Ji LI1, Jincheng PAN1
Acta Microbiologica Sinica | 2024, 64(2) : 530 - 547
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Acta Microbiologica Sinica | 2024, 64(2): 530-547
• Research Articles •
Diversity and antibiotic resistance of bacteria from bathing beaches: based on the cultivation method
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Zhiyan YE1, Yun WANG1, 2, 3, 4, *, Zifei FENG1, Nuo CHEN1, Yuxin ZHU1, Mingqi HU1, Ji LI1, Jincheng PAN1
Affiliations
  • 1 School of Science and Technology, Lingnan Normal University, Zhanjiang 524048, Guangdong, China
  • 2 Zhanjiang Key Laboratory of Mangrove Ecosystem Conservation and Restoration, Zhanjiang 524048, Guangdong, China
  • 3 Engineering and Technology Research Center for Development and Utilization of Blue Carbon Resources in Western Guangdong Province, Zhanjiang 524048, Guangdong, China
  • 4 Western Guangdong Characteristic Biology and Medicine Engineering and Research Center, Zhanjiang 524048, Guangdong, China
Published: 2024-02-04 doi: 10.13343/j.cnki.wsxb.20230464
Outline
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[Objective] The increasing antibiotic resistant bacteria (ARB) caused by the horizontal transfer of antibiotic resistance genes (ARGs) have aroused increasing concern, and it is particularly important to monitor the ARB in the environment.[Methods] We collected seawater and sand samples from three different bathing beaches in Zhanjiang. The plate coating method and agar diffusion method were employed to study the bacterial counts, diversity, and susceptibility to antibiotics.[Results] The seawater samples had higher content of inorganic nitrogen than the normal value and the bacterial counts increased with the increase in the visitor flow. The bacteria counts in the sand samples were higher than those in the seawater samples. The bacteria from the bathing beaches belonged into 18 genera, 12 families of 3 phyla.Proteobacteria (49.64%) was dominant in the seawater samples, whileFirmicutes (54.74%) was dominant in the sand samples. The bacteria showed stronger resistance to beta-lactams, with the resistance rates of 23.25%, 20.53%, and 17.42% to penicillin, vancomycin, and ceftriaxone, respectively. The resistant bacteria were mainlyBacillus,Vibrio,Pseudomonas,Streptomyces, andEnterobacter. The multidrug-resistant bacterial strains from seawater were significantly more than those from sand, and increased with the increase in the visitor flow.[Conclusion] There are diverse drug-resistant bacteria from bathing beaches, and continuous surveillance is required to assess its potential impact on public health.

bathing beach  /  bacterial diversity  /  antibiotic resistance  /  antibiotic-resistant bacteria
Zhiyan YE, Yun WANG, Zifei FENG, Nuo CHEN, Yuxin ZHU, Mingqi HU, Ji LI, Jincheng PAN. Diversity and antibiotic resistance of bacteria from bathing beaches: based on the cultivation method[J]. Acta Microbiologica Sinica, 2024 , 64 (2) : 530 -547 . DOI: 10.13343/j.cnki.wsxb.20230464
Funding
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  • Open Topics of the West Guangdong Characteristic Biomedical Engineering Technology Research Center(2022-k11)
  • West Guangdong Marine Chinese Medicine and Southern Medicine High Value Development and Utilization Innovation Team(2021KCXTD039)
  • Lingnan Normal University General Education Teaching Quality and Teaching Reform Research Project(2023)
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Year 2024 volume 64 Issue 2
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119
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Article Info
doi: 10.13343/j.cnki.wsxb.20230464
  • Receive Date：2023-07-11
  • Online Date：2026-03-18
  • Published：2024-02-04
Article Data
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History
  • Received：2023-07-11
  • Accepted：2023-09-25
Funding
Open Topics of the West Guangdong Characteristic Biomedical Engineering Technology Research Center(2022-k11)
West Guangdong Marine Chinese Medicine and Southern Medicine High Value Development and Utilization Innovation Team(2021KCXTD039)
Lingnan Normal University General Education Teaching Quality and Teaching Reform Research Project(2023)
Affiliations
    1 School of Science and Technology, Lingnan Normal University, Zhanjiang 524048, Guangdong, China
    2 Zhanjiang Key Laboratory of Mangrove Ecosystem Conservation and Restoration, Zhanjiang 524048, Guangdong, China
    3 Engineering and Technology Research Center for Development and Utilization of Blue Carbon Resources in Western Guangdong Province, Zhanjiang 524048, Guangdong, China
    4 Western Guangdong Characteristic Biology and Medicine Engineering and Research Center, Zhanjiang 524048, Guangdong, China

Corresponding:

*WANG Yun, Tel/Fax: +86-759-3174102, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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