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Meng X, Luo L, Zhao Z, Wang S, Zhang R, Guo K. Ginger polysaccharide alleviates the effects of acute exposure to carbonate in crucian carp (Carassius auratus) by regulating immunity, intestinal microbiota, and intestinal metabolism. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 273:116127. [PMID: 38394756 DOI: 10.1016/j.ecoenv.2024.116127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/05/2024] [Accepted: 02/18/2024] [Indexed: 02/25/2024]
Abstract
Alkaline stress poses a significant challenge to the healthy growth of fish. Ginger polysaccharide (GP) is one of the main active substances in ginger and has pharmacological effects, such as anti-oxidation and immune regulation. However, the physiological regulatory mechanism of GP addition to diet on alkalinity stress in crucian carp remains unclear. This study aimed to investigate the potential protective effects of dietary GP on antioxidant capacity, gene expression levels, intestinal microbiome, and metabolomics of crucian carp exposed to carbonate (NaHCO3). The CK group (no GP supplementation) and COG group (NaHCO3 stress and no GP supplementation) were set up. The GPCS group (NaHCO3 stress and 0.4% GP supplementation) was stressed for seven days. Based on these data, GP significantly increased the activities of total antioxidant capacity (T-AOC), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-PX), acid phosphatase (ACP), and alkaline phosphatase (AKP) in carp under alkalinity stress (p < 0.05) and decreased the activity of malon dialdehyde (MDA) (p < 0.05). GP restored the activity of GSH-PX, ACP, and AKP to CK levels. The expression levels of tumor necrosis factor β (TGF-β), tumor necrosis factor-alpha (TNF-α), interferon-gamma (IFN-γ), and interleukin 8 (IL-8) genes were decreased, and the expression levels of determination factor kappa-B (NF-κB) and interleukin 10 (IL-10) genes were increased (p < 0.05). Based on 16 S rRNA high-throughput sequencing, GP improved the changes in the intestinal microbial diversity and structural composition of crucian carp caused by NaHCO3 exposure. In particular, GP increased the relative abundance of Proteobacteria and Bacteroidetes and decreased the relative abundance of Actinobacteria. The metabolic response of GP to NaHCO3 exposed crucian carp guts was studied using LC/MS. Compared to the COG group, the GPCS group had 64 different metabolites and enriched 10 metabolic pathways, including lipid metabolism, nucleotide metabolism, and carbohydrate metabolism. The addition of GP to feed can promote galactose metabolism and provide an energy supply to crucian carp, thus alleviating the damage induced by alkalinity stress. In conclusion, GP can mitigate the effects of NaHCO3 alkalinity stress by regulating immune function, intestinal flora, and intestinal metabolism in crucian carp. These findings provide a novel idea for studying the mechanism of salt-alkali tolerance in crucian carp by adding GP to feed.
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Affiliation(s)
- Xianwei Meng
- Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Heilongjiang River Fishery Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, PR China; Center of Pharmaceutical Engineering and Technology, Harbin University of Commerce, Harbin 150076, PR China
| | - Liang Luo
- Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Heilongjiang River Fishery Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, PR China.
| | - Zhigang Zhao
- Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Heilongjiang River Fishery Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Shihui Wang
- Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Heilongjiang River Fishery Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Rui Zhang
- Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Heilongjiang River Fishery Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Kun Guo
- Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Heilongjiang River Fishery Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, PR China
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Diwan A, Harke SN, Panche AN. Host-microbiome interaction in fish and shellfish: An overview. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2023; 4:100091. [PMID: 37091066 PMCID: PMC10113762 DOI: 10.1016/j.fsirep.2023.100091] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/28/2023] [Accepted: 03/30/2023] [Indexed: 04/03/2023] Open
Abstract
The importance of the gut microbiome in the management of various physiological activities including healthy growth and performance of fish and shellfish is now widely considered and being studied in detail for potential applications in aquaculture farming and the future growth of the fish industry. The gut microbiome in all animals including fish is associated with a number of beneficial functions for the host, such as stimulating optimal gastrointestinal development, producing and supplying vitamins to the host, and improving the host's nutrient uptake by providing additional enzymatic activities. Besides nutrient uptake, the gut microbiome is involved in strengthening the immune system and maintaining mucosal tolerance, enhancing the host's resilience against infectious diseases, and the production of anticarcinogenic and anti-inflammatory compounds. Because of its significant role, the gut microbiome is very often considered an "extra organ," as it plays a key role in intestinal development and regulation of other physiological functions. Recent studies suggest that the gut microbiome is involved in energy homeostasis by regulating feeding, digestive and metabolic processes, as well as the immune response. Consequently, deciphering gut microbiome dynamics in cultured fish and shellfish species will play an indispensable role in promoting animal health and aquaculture productivity. It is mentioned that the microbiome community available in the gut tract, particularly in the intestine acts as an innovative source of natural product discovery. The microbial communities that are associated with several marine organisms are the source of natural products with a diverse array of biological activities and as of today, more than 1000 new compounds have been reported from such microbial species. Exploration of such new ingredients from microbial species would create more opportunities for the development of the bio-pharma/aquaculture industries. Considering the important role of the microbiome in the whole life span of fish and shellfish, it is necessary to understand the interaction process between the host and microbial community. However, information pertaining to host-microbiome interaction, particularly at the cellular level, gene expression, metabolic pathways, and immunomodulation mechanisms, the available literature is scanty. It has been reported that there are three ways of interaction involving the host-microbe-environment operates to maintain homeostasis in the fish and shellfish gut i.e. host intrinsic factors, the environment that shapes the gut microbiome composition, and the core microbial community present in the gut system itself has equal influence on the host biology. In the present review, efforts have been made to collect comprehensive information on various aspects of host-microbiome interaction, particularly on the immune system and health maintenance, management of diseases, nutrient uptake, digestion and absorption, gene expression, and metabolism in fish and shellfish.
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Affiliation(s)
- A.D. Diwan
- Institute of Biosciences and Technology, Mahatma Gandhi Mission (MGM) University, Aurangabad, 431003, Maharashtra, India
| | - Sanjay N Harke
- Institute of Biosciences and Technology, Mahatma Gandhi Mission (MGM) University, Aurangabad, 431003, Maharashtra, India
| | - Archana N Panche
- Novo Nordisk Centre for Biosustainability, Technical University of Denmark, B220 Kemitorvet, 2800 Kgs, Lyngby, Denmark
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Correction to "The impact of aquaculture system on the microbiome and gut metabolome of juvenile Chinese softshell turtle ( Pelodiscus sinensis)". IMETA 2023; 2:e151. [PMID: 38868225 PMCID: PMC10989940 DOI: 10.1002/imt2.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
[This corrects the article DOI: 10.1002/imt2.17.].
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Zhu X, Zhao Y, Sun N, Li C, Jiang Q, Zhang Y, Wei H, Li Y, Hu Q, Li X. Comparison of the gut microbiota and untargeted gut tissue metabolome of Chinese mitten crabs ( Eriocheir sinensis) with different shell colors. Front Microbiol 2023; 14:1218152. [PMID: 37520354 PMCID: PMC10374289 DOI: 10.3389/fmicb.2023.1218152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 06/21/2023] [Indexed: 08/01/2023] Open
Abstract
Introduction The Chinese mitten crab (Eriocheir sinensis) is a highly valued freshwater crustacean in China. While the natural shell color of E. sinensis is greenish brown (GH), we found a variety with a brownish-orange shell color (RH). Although RH is more expensive, it exhibits a lower molting frequency and growth rate compared with GH, which significantly reduces its yield and hinders large-scale farming. The growth and development of animals are closely related to their gut microbiota and gut tissue metabolic profiles. Methods In this study, we compared the gut microbiome communities and metabolic profiles of juvenile RH and GH crabs using 16S rRNA gene sequencing and liquid chromatography-mass spectrometry (LC-MS), respectively. Results Our findings indicated that the intestinal microbial composition and metabolic characteristics of E. sinensis differed significantly between RH and GH. At the operational taxonomic unit (OTU) level, the α-diversity of the gut microbiota did not differ significantly between RH and GH, while the β-diversity of the RH gut microbiota was higher than that of the GH gut microbiota. At the species level, the richness of unclassified_c_Alphaproteobacteria was significantly higher in the GH group, while the RH group had a significantly higher richness of three low-abundance species, Flavobacteria bacterium BAL38, Paraburkholderia ferrariae, and uncultured_bacterium_g__Legionella. In the current study, 598 gut tissue metabolites were identified, and 159 metabolites were significantly different between GH and RH. The metabolite profile of RH was characteristic of a low level of most amino acids and lipid metabolites and a high level of several pigments compared with that of GH. These metabolites were enriched in 102 KEGG pathways. Four pathways, including (1) Central carbon metabolism in cancer, (2) protein digestion and absorption, (3) alanine, aspartate and glutamate metabolism, and (4) aminoacyl-tRNA biosynthesis, were significantly enriched. The correlation analysis between metabolites and microbiotas indicated that most key differential metabolites were positively correlated with the abundance of Shewanella_sp_MR-7. Discussion This research provided a greater understanding of the physiological conditions of E. sinensis varieties with different shell colors by comparing the gut microbiota and gut tissue metabolome.
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Affiliation(s)
- Xiaochen Zhu
- College of Science and Engineering, Flinders University, Adelaide, SA, Australia
| | - Yingying Zhao
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
- Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang, China
| | - Na Sun
- Panjin Guanghe Crab Industry Co. Ltd., Panjin, China
| | - Changlei Li
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Qing Jiang
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Yazhao Zhang
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Hua Wei
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
- Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang, China
| | - Yingdong Li
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
- Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang, China
| | - Qingbiao Hu
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
- Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang, China
| | - Xiaodong Li
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
- Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang, China
- Panjin Guanghe Crab Industry Co. Ltd., Panjin, China
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Liu Y, Xu C, Dong W, Chen X, Zhang W, Sun Y, Wang G, Wang Y, Zhou S. What determines plant species diversity along the Modern Silk Road in the east? IMETA 2023; 2:e74. [PMID: 38868351 PMCID: PMC10989921 DOI: 10.1002/imt2.74] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/11/2022] [Accepted: 12/13/2022] [Indexed: 06/14/2024]
Abstract
As primary producers, plants provide food, oxygen, and other resources for global ecosystems, and should therefore be given priority in biodiversity protection. Most biodiversity research focuses on biodiversity hotspots, while biodiversity coldspots, such as deserts, are largely ignored. We propose that the factors shaping plant species diversity differ between biodiversity hot spots and cold spots, especially for desert ecosystems. To test this hypothesis, we investigated plant species diversity along the Modern Silk Road in the Northwest China desert, an area characterized by low precipitation, scarce vegetation, a limited number of species, and variable human activities. Surface soil was sampled from 144 plots, environmental DNA (eDNA) was extracted from soil samples, and seed plant species were identified using DNA metabarcoding technology. A total of 671 seed plant species were detected, which was more diverse than indicated by plot survey data. Plant species diversity gradually decreased from east to west along the Silk Road. In this area, temperature determines plant species diversity more than precipitation. Additionally, human activity has altered plant species diversity by introducing crops and invasive plants and eliminating environmentally adapted indigenous plants. Our results demonstrate the potential of eDNA metabarcoding technology for plant species diversity surveying. Desert plants have adapted to dry environments by relying on underground water or utilizing occasional rainfall as ephemerals, which are often not visible during surface surveys because of their short aboveground life cycle but can be detected with eDNA metabarcoding technology. Groundwater maintenance and human activity control are recommended for plant species diversity conservation and desertification control.
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Affiliation(s)
- Yanlei Liu
- School of Landscape and Ecological EngineeringHebei University of EngineeringHandanChina
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
- College of Life ScienceUniversity of Chinese Academy of SciencesBeijingChina
| | - Chao Xu
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
| | - Wenpan Dong
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
- Laboratory of Systematic Evolution and Biogeography of Woody Plants, School of Ecology and Nature ConservationBeijing Forestry UniversityBeijingChina
| | - Xun Chen
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
- Hulunbuir UniversityHulunbuirChina
| | - Wen Zhang
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
- College of Life ScienceUniversity of Chinese Academy of SciencesBeijingChina
| | - Yuzhe Sun
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
- College of Life ScienceUniversity of Chinese Academy of SciencesBeijingChina
| | - Guohong Wang
- State Key Laboratory of Vegetation and Environmental Change, Institute of BotanyChinese Academy of SciencesBeijingChina
| | - Yufei Wang
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
| | - Shiliang Zhou
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijingChina
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Mi K, Xu Y, Li Y, Liu X. QMD: A new method to quantify microbial absolute abundance differences between groups. IMETA 2023; 2:e78. [PMID: 38868342 PMCID: PMC10989753 DOI: 10.1002/imt2.78] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 11/07/2022] [Accepted: 12/06/2022] [Indexed: 06/14/2024]
Abstract
A new method, quantification of microbial absolute abundance differences (QMD), was proposed to estimate the microbial absolute abundance changes of each taxon under different conditions based on the microbial relative abundance. Compared with other methods, QMD displayed greater confidence in understanding microbiome dynamics between groups. We also provide QMD software to investigate common deviations and achieve a better understanding of microbiota changes under different conditions.
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Affiliation(s)
- Kai Mi
- State Key Laboratory of Reproductive Medicine, Center of Global HealthNanjing Medical UniversityNanjingChina
- Department of Pathogen Biology‐Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Yuyu Xu
- State Key Laboratory of Reproductive Medicine, Center of Global HealthNanjing Medical UniversityNanjingChina
- Department of Pathogen Biology‐Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Yiqing Li
- State Key Laboratory of Reproductive Medicine, Center of Global HealthNanjing Medical UniversityNanjingChina
- Department of Pathogen Biology‐Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Xingyin Liu
- State Key Laboratory of Reproductive Medicine, Center of Global HealthNanjing Medical UniversityNanjingChina
- Department of Pathogen Biology‐Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu SchoolNanjing Medical UniversityNanjingChina
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Chen CZ, Li P, Liu L, Li ZH. Exploring the interactions between the gut microbiome and the shifting surrounding aquatic environment in fisheries and aquaculture: A review. ENVIRONMENTAL RESEARCH 2022; 214:114202. [PMID: 36030922 DOI: 10.1016/j.envres.2022.114202] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/10/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
The rise of "new" sequencing technologies and the development of sophisticated bioinformatics tools have dramatically increased the study of the aquaculture microbiome. Microbial communities exist in complex and dynamic communities that play a vital role in the stability of healthy ecosystems. The gut microbiome contributes to multiple aspects of the host's physiological health status, ranging from nutritional regulation to immune modulation. Although studies of the gut microbiome in aquaculture are growing rapidly, the interrelationships between the aquaculture microbiome and its aquatic environment have not been discussed and summarized. In particular, few reviews have focused on the potential mechanisms driving the alteration of the gut microbiome by surrounding aquatic environmental factors. Here, we review current knowledge on the host gut microbiome and its interrelationship with the microbiome of the surrounding environment, mainly including the main methods for characterizing the gut microbiome, the composition and function of microbial communities, the dynamics of microbial interactions, and the relationship between the gut microbiome and the surrounding water/sediment microbiome. Our review highlights two potential mechanisms for how surrounding aquatic environmental factors drive the gut microbiome. This may deepen the understanding of the interactions between the microbiome and environmental factors. Lastly, we also briefly describe the research gaps in current knowledge and prospects for the future orientation of research. This review provides a framework for studying the complex relationship between the host gut microbiome and environmental stresses to better facilitate the widespread application of microbiome technologies in fisheries and aquaculture.
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Affiliation(s)
- Cheng-Zhuang Chen
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ling Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China.
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