Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China
<i>Noctiluca scintillans</i>, known as a global red tide species, is a common red tide species found in Pingtan Island. To examine the bacterial community structure in different environments during the red tide period of <i>N. scintillans</i> on Pingtan Island, samples were c...
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| author | Yunguang Liu Yutong Zhang Haiyan Yao Zewen Zheng Wenbo Zhao Gang Lin |
| author_facet | Yunguang Liu Yutong Zhang Haiyan Yao Zewen Zheng Wenbo Zhao Gang Lin |
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| description | <i>Noctiluca scintillans</i>, known as a global red tide species, is a common red tide species found in Pingtan Island. To examine the bacterial community structure in different environments during the red tide period of <i>N. scintillans</i> on Pingtan Island, samples were collected from the Algal Bloom Area (ABA), Transition Area (TA), and Non-Algal Bloom Area (NBA) on 6 April 2022, and the environmental physicochemical factors and bacterial community were determined. The outbreak of <i>N. scintillans</i> red tide significantly impacted the water quality and bacterial community structure in the affected sea area. The water quality in the ABA has deteriorated markedly, with the contents of COD, NH<sub>4</sub><sup>+</sup>-N, and PO<sub>4</sub><sup>3−</sup> in the ABA being significantly higher than those in the TA and NBA, while the pH is significantly lower than that in the TA and NBA. The richness, diversity, and evenness of the bacterial community in the ABA are all lower than those of the TA and NBA. For instance, the Shannon index values of the three sampling points are 4.41, 5.41, and 6.37, respectively. At the phylum level, the dominant bacterial phyla in the ABA are Proteobacteria, Firmicutes, and Cyanobacteria; in the TA, they are Proteobacteria, Bacteroidetes, and Firmicutes; and in the NBA, they are Proteobacteria, Bacteroidetes, and Cyanobacteria. At the genus level, the dominant bacterial genera in the ABA are <i>Vibrio</i>, <i>Carnobacterium</i>, <i>Candidatus_Megaira</i>, <i>Planktomarina</i>, and <i>Pseudoalteromonas</i>; in the TA, they are <i>Vibrio</i>, <i>Planktomarina</i>, <i>Lentibacter</i>, <i>Glaciecola</i>, and <i>Jannaschia</i>; and in the NBA, they are <i>Planktomarina</i>, <i>Amylibacter</i>, <i>NS5_marine_group</i>, <i>Aurantivirga</i>, and <i>marine_metagenome</i>. In the ABA, the combined proportion of <i>Vibrio</i> and <i>Carnobacterium</i> exceeds 50%, with <i>Vibrio_splendidus</i> accounting for 93% of the total <i>Vibrio</i> population. These research results can provide a scientific basis for clarifying the environmental characteristics and bacterial composition during the large-scale <i>N. scintillans</i> red tide in Pingtan Island. |
| format | Article |
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| spelling | doaj-art-b39247bf04c84ae1938b3943be24b4d42025-01-24T13:23:39ZengMDPI AGBiology2079-77372025-01-0114110110.3390/biology14010101Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, ChinaYunguang Liu0Yutong Zhang1Haiyan Yao2Zewen Zheng3Wenbo Zhao4Gang Lin5Fujian Key Laboratory of Special Marine Bio-Resources Sustainable Utilization, College of Life Sciences, Fujian Normal University, Fuzhou 350117, ChinaFujian Key Laboratory of Special Marine Bio-Resources Sustainable Utilization, College of Life Sciences, Fujian Normal University, Fuzhou 350117, ChinaFujian Key Laboratory of Special Marine Bio-Resources Sustainable Utilization, College of Life Sciences, Fujian Normal University, Fuzhou 350117, ChinaFujian Key Laboratory of Special Marine Bio-Resources Sustainable Utilization, College of Life Sciences, Fujian Normal University, Fuzhou 350117, ChinaFujian Key Laboratory of Special Marine Bio-Resources Sustainable Utilization, College of Life Sciences, Fujian Normal University, Fuzhou 350117, ChinaFujian Key Laboratory of Special Marine Bio-Resources Sustainable Utilization, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China<i>Noctiluca scintillans</i>, known as a global red tide species, is a common red tide species found in Pingtan Island. To examine the bacterial community structure in different environments during the red tide period of <i>N. scintillans</i> on Pingtan Island, samples were collected from the Algal Bloom Area (ABA), Transition Area (TA), and Non-Algal Bloom Area (NBA) on 6 April 2022, and the environmental physicochemical factors and bacterial community were determined. The outbreak of <i>N. scintillans</i> red tide significantly impacted the water quality and bacterial community structure in the affected sea area. The water quality in the ABA has deteriorated markedly, with the contents of COD, NH<sub>4</sub><sup>+</sup>-N, and PO<sub>4</sub><sup>3−</sup> in the ABA being significantly higher than those in the TA and NBA, while the pH is significantly lower than that in the TA and NBA. The richness, diversity, and evenness of the bacterial community in the ABA are all lower than those of the TA and NBA. For instance, the Shannon index values of the three sampling points are 4.41, 5.41, and 6.37, respectively. At the phylum level, the dominant bacterial phyla in the ABA are Proteobacteria, Firmicutes, and Cyanobacteria; in the TA, they are Proteobacteria, Bacteroidetes, and Firmicutes; and in the NBA, they are Proteobacteria, Bacteroidetes, and Cyanobacteria. At the genus level, the dominant bacterial genera in the ABA are <i>Vibrio</i>, <i>Carnobacterium</i>, <i>Candidatus_Megaira</i>, <i>Planktomarina</i>, and <i>Pseudoalteromonas</i>; in the TA, they are <i>Vibrio</i>, <i>Planktomarina</i>, <i>Lentibacter</i>, <i>Glaciecola</i>, and <i>Jannaschia</i>; and in the NBA, they are <i>Planktomarina</i>, <i>Amylibacter</i>, <i>NS5_marine_group</i>, <i>Aurantivirga</i>, and <i>marine_metagenome</i>. In the ABA, the combined proportion of <i>Vibrio</i> and <i>Carnobacterium</i> exceeds 50%, with <i>Vibrio_splendidus</i> accounting for 93% of the total <i>Vibrio</i> population. These research results can provide a scientific basis for clarifying the environmental characteristics and bacterial composition during the large-scale <i>N. scintillans</i> red tide in Pingtan Island.https://www.mdpi.com/2079-7737/14/1/101Pingtan Island<i>Noctiluca scintillans</i>bacterial community structure<i>Vibrio</i> |
| spellingShingle | Yunguang Liu Yutong Zhang Haiyan Yao Zewen Zheng Wenbo Zhao Gang Lin Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China Biology Pingtan Island <i>Noctiluca scintillans</i> bacterial community structure <i>Vibrio</i> |
| title | Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China |
| title_full | Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China |
| title_fullStr | Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China |
| title_full_unstemmed | Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China |
| title_short | Analysis on Bacterial Community of <i>Noctiluca scintillans</i> Algal Blooms Near Pingtan Island, China |
| title_sort | analysis on bacterial community of i noctiluca scintillans i algal blooms near pingtan island china |
| topic | Pingtan Island <i>Noctiluca scintillans</i> bacterial community structure <i>Vibrio</i> |
| url | https://www.mdpi.com/2079-7737/14/1/101 |
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