Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i>
This study focused on <i>Stichopus monotuberculatus</i> and conducted stress experiments at salinity levels of 20‰ and 40‰. Intestinal histological changes and the structural characteristics of the intestinal flora of <i>S. monotuberculatus</i> under salinity stress were anal...
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2024-12-01
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| Series: | Marine Drugs |
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| Online Access: | https://www.mdpi.com/1660-3397/22/12/576 |
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| author | Lianghua Huang Hui Wang Chuanyan Pan Xueming Yang Guoqing Deng Yaowen Meng Yongxiang Yu Xiuli Chen Shengping Zhong |
| author_facet | Lianghua Huang Hui Wang Chuanyan Pan Xueming Yang Guoqing Deng Yaowen Meng Yongxiang Yu Xiuli Chen Shengping Zhong |
| author_sort | Lianghua Huang |
| collection | DOAJ |
| description | This study focused on <i>Stichopus monotuberculatus</i> and conducted stress experiments at salinity levels of 20‰ and 40‰. Intestinal histological changes and the structural characteristics of the intestinal flora of <i>S. monotuberculatus</i> under salinity stress were analyzed. The results show that acute salinity stress inflicts varying degrees of damage to the intestinal tissues of <i>S. monotuberculatus</i>. Salinity stress enhances the species diversity of intestinal flora in <i>S. monotuberculatus</i>. Eight phyla of bacteria are detected in the intestine of <i>S. monotuberculatus</i>. Dominant phyla include Proteobacteria, Firmicutes, and Actinobacteria. Furthermore, functional prediction reveals that acute salinity stress can significantly modify the abundance of pathways associated with nutrient and energy metabolism mediated by the intestinal flora of <i>S. monotuberculatus</i>. These results indicate that acute salinity stress induces pathological damage to the intestinal tissues of <i>S. monotuberculatus</i>, compromising the microbial habitat and leading to alterations in the intestinal flora composition. Additionally, <i>S. monotuberculatus</i> can mitigate salinity stress by adjusting the composition of its intestinal flora and the corresponding functional pathways. |
| format | Article |
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| institution | OA Journals |
| issn | 1660-3397 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Marine Drugs |
| spelling | doaj-art-40bb7733fdc84467b3c3b31277c39bed2025-08-20T02:00:47ZengMDPI AGMarine Drugs1660-33972024-12-01221257610.3390/md22120576Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i>Lianghua Huang0Hui Wang1Chuanyan Pan2Xueming Yang3Guoqing Deng4Yaowen Meng5Yongxiang Yu6Xiuli Chen7Shengping Zhong8Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, ChinaGuangxi Academy of Fishery Sciences, Nanning 530021, ChinaGuangxi Academy of Fishery Sciences, Nanning 530021, ChinaGuangxi Academy of Fishery Sciences, Nanning 530021, ChinaInstitute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, ChinaInstitute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, ChinaKey Laboratory of Maricultural Organism Disease Control, Yellow Sea Fisheries Research Institute, Chinese Academic of Fishery Sciences, Qingdao 266071, ChinaGuangxi Academy of Fishery Sciences, Nanning 530021, ChinaInstitute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, ChinaThis study focused on <i>Stichopus monotuberculatus</i> and conducted stress experiments at salinity levels of 20‰ and 40‰. Intestinal histological changes and the structural characteristics of the intestinal flora of <i>S. monotuberculatus</i> under salinity stress were analyzed. The results show that acute salinity stress inflicts varying degrees of damage to the intestinal tissues of <i>S. monotuberculatus</i>. Salinity stress enhances the species diversity of intestinal flora in <i>S. monotuberculatus</i>. Eight phyla of bacteria are detected in the intestine of <i>S. monotuberculatus</i>. Dominant phyla include Proteobacteria, Firmicutes, and Actinobacteria. Furthermore, functional prediction reveals that acute salinity stress can significantly modify the abundance of pathways associated with nutrient and energy metabolism mediated by the intestinal flora of <i>S. monotuberculatus</i>. These results indicate that acute salinity stress induces pathological damage to the intestinal tissues of <i>S. monotuberculatus</i>, compromising the microbial habitat and leading to alterations in the intestinal flora composition. Additionally, <i>S. monotuberculatus</i> can mitigate salinity stress by adjusting the composition of its intestinal flora and the corresponding functional pathways.https://www.mdpi.com/1660-3397/22/12/576<i>Stichopus monotuberculatus</i>salinity stresshistological characteristicsintestinal floradominant bacteria |
| spellingShingle | Lianghua Huang Hui Wang Chuanyan Pan Xueming Yang Guoqing Deng Yaowen Meng Yongxiang Yu Xiuli Chen Shengping Zhong Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i> Marine Drugs <i>Stichopus monotuberculatus</i> salinity stress histological characteristics intestinal flora dominant bacteria |
| title | Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i> |
| title_full | Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i> |
| title_fullStr | Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i> |
| title_full_unstemmed | Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i> |
| title_short | Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of <i>Stichopus monotuberculatus</i> |
| title_sort | effects of acute salinity stress on the histological and bacterial community structure and function in intestine of i stichopus monotuberculatus i |
| topic | <i>Stichopus monotuberculatus</i> salinity stress histological characteristics intestinal flora dominant bacteria |
| url | https://www.mdpi.com/1660-3397/22/12/576 |
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