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Adam MA, Soegianto A, Risjani Y, Payus CM, Yoga RGP, Sadi NH, Susanti E, Khumaidi A, Ramli R. The Cortisol Levels, Histology, and Fine Structure of Various Tissues of Fish Gambusia affinis (Baird and Girard, 1853) after Exposure to Lead. SCIENTIFICA 2023; 2023:6649258. [PMID: 38046196 PMCID: PMC10691898 DOI: 10.1155/2023/6649258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/20/2023] [Accepted: 11/15/2023] [Indexed: 12/05/2023]
Abstract
Background Aquatic organisms demonstrate a high vulnerability to mortality when exposed to Pb, even at low concentrations. The objective of this investigation is to ascertain the histopathological alterations and cortisol concentrations in diverse tissues of Gambusia affinis, with a specific focus on the eggs and larvae, following exposure to varying concentrations of PbCl2. Methods Adult specimens of G. affinis measuring 5-6 cm in length were obtained from a commercial fish breeding facility. A total of 8 fish with a 1 : 1 ratio of 4 pairs of broodstock were placed in an 8-liter aquarium. Following the adaptation phase, the broodstock underwent a spawning process that lasted for a duration of 7 days. Throughout the spawning process, assessments were conducted on the progression of the abdominal growth of the broodstock. Eggs ready to hatch and Gambusia larvae were taken and exposed to 0.1 mg/L PbCl2, 1 mg/L PbCl2, and control (without PbCl2) for 24 hours, with three replications. At the end of the experiment, histopathological analysis was conducted using the hematoxylin Ehrlich-eosin staining method and scanning electron microscopic (SEM) observation. The levels of Pb in gills were determined by employing atomic absorption spectrophotometer. The cortisol concentration in organ samples of fish was determined through the utilization of a cortisol ELISA Kit. Results The findings of this investigation demonstrated an important bioaccumulation occurrence of Pb within the gills of Gambusia fish that were specifically subjected to 0.1 and 1 mg/L PbCl2. The histological structures of eggs and larvae that were subjected to PbCl2 exhibited impairment in comparison to the control group. The present study observed a significant elevation in cortisol levels among fish specimens that were subjected to PbCl2 exposure. Conclusions The findings of this investigation suggest that the occurrence of Pb is linked to a rise in cortisol concentrations in various organs of G. affinis larvae. Furthermore, the research indicates that the exposure to Pb has a notable impact on the histological alterations in the eggs and larvae of Gambusia fish, implying that they are undergoing stress as a result of the Pb exposure.
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Affiliation(s)
- Moh Awaludin Adam
- Faculty of Science and Technology, Universitas Ibrahimy, Situbondo, Indonesia
- Research Center for Marine and Land Bioindustry, National Research and Innovation Agency, Mataram, NTB, Indonesia
| | - Agoes Soegianto
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
| | - Yenny Risjani
- Faculty of Fisheries and Marine Science, University of Brawijaya, Malang, Indonesia
| | - Carolyn Melissa Payus
- Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia
| | - R. Gunawan Pratama Yoga
- Research Center for Limnology and Water Resources, National Research and Innovation Agency, Jakarta, Indonesia
| | - Nina Hermayani Sadi
- Research Center for Limnology and Water Resources, National Research and Innovation Agency, Jakarta, Indonesia
| | - Evi Susanti
- Research Center for Limnology and Water Resources, National Research and Innovation Agency, Jakarta, Indonesia
| | - Ach Khumaidi
- Faculty of Science and Technology, Universitas Ibrahimy, Situbondo, Indonesia
| | - Ramli Ramli
- Faculty of Science and Technology, Universitas Ibrahimy, Situbondo, Indonesia
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Qiu H, Chang X, Luo Y, Shen F, Yin A, Miao T, Li Y, Xiao Y, Hai J, Xu B. Regulation of Nir gene in Lactobacillus plantarum WU14 mediated by GlnR. Front Microbiol 2022; 13:983485. [PMID: 36304950 PMCID: PMC9596149 DOI: 10.3389/fmicb.2022.983485] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/14/2022] [Indexed: 11/18/2022] Open
Abstract
Nitrogen (N) is an essential element in the biosynthesis of key cellular components, such as proteins and nucleic acids, in all living organisms. Nitrite, as a form of nitrogen utilization, is the main nutrient for microbial growth. However, nitrite is a potential carcinogen that combines with secondary amines, which are breakdown products of proteins, to produce N-nitroso compounds that are strongly carcinogenic. Nitrite reductase (Nir) produced by microorganisms can reduce nitrite. Binding of GlnR to the promoter of nitrogen metabolism gene can regulate the expression of Nir operon. In this study, nitrite-resistant Lactobacillus plantarum WU14 was isolated from Pickles and its protease Nir was analyzed. GlnR-mediated regulation of L. plantarum WU14 Nir gene was investigated in this study. New GlnR and Nir genes were obtained from L. plantarum WU14. The regulation effect of GlnR on Nir gene was examined by gel block test, yeast two-hybrid system, bacterial single hybrid system and qRT-RCR. Detailed analysis showed that GlnR ound to the Nir promoter region and interacted with Nir at low nitrite concentrations, positively regulating the expression of NIR. However, the transcription levels of GlnR and Nir decreased gradually with increasing nitrite concentration. The results of this study improve our understanding of the function of the Nir operon regulatory system and serve as the ground for further study of the signal transduction pathway in lactic acid bacteria.
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Affiliation(s)
- Hulin Qiu
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Xiaoyu Chang
- Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, China
| | - Yan Luo
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Fengfei Shen
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Aiguo Yin
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, Guangdong, China
| | - Tingting Miao
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Ying Li
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Yunyi Xiao
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Jinping Hai
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
| | - Bo Xu
- College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, China
- *Correspondence: Bo Xu,
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de Barros WA, Nunes CDS, Souza JADCR, Nascimento IJDS, Figueiredo IM, de Aquino TM, Vieira L, Farias D, Santos JCC, de Fátima Â. The new psychoactive substances 25H-NBOMe and 25H-NBOH induce abnormal development in the zebrafish embryo and interact in the DNA major groove. Curr Res Toxicol 2021; 2:386-398. [PMID: 34888530 PMCID: PMC8637007 DOI: 10.1016/j.crtox.2021.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/19/2021] [Accepted: 11/18/2021] [Indexed: 11/24/2022] Open
Abstract
25H-NBOMe and 25H-NBOH recreational drugs induces abnormal formation in zebrafish embryos. Biophysical and theoretical studies indicate that these drugs have affinity for the DNA major groove. The toxicity observed in the zebrafish embryos and DNA interaction may be correlated.
Toxicological effects of 25H-NBOMe and 25H-NBOH recreational drugs on zebrafish embryos and larvae at the end of 96 h exposure period were demonstrated. 25H-NBOH and 25H-NBOMe caused high embryo mortality at 80 and 100 µg mL−1, respectively. According to the decrease in the concentration tested, lethality decreased while non-lethal effects were predominant up to 10 and 50 µg mL−1 of 25H-NBOH and 25H-NBOMe, respectively, including spine malformation, egg hatching delay, body malformation, otolith malformation, pericardial edema, and blood clotting. We can disclose that these drugs have an affinity for DNA in vitro using biophysical spectroscopic assays and molecular modeling methods. The experiments demonstrated that 25H-NBOH and 25H-NBOMe bind to the unclassical major groove of ctDNA with a binding constant of 27.00 × 104 M−1 and 5.27 × 104 M−1, respectively. Furthermore, these interactions lead to conformational changes in the DNA structure. Therefore, the results observed in the zebrafish embryos and DNA may be correlated.
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Affiliation(s)
- Wellington Alves de Barros
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Camila da Silva Nunes
- Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, Maceió, AL, Brazil
| | | | | | | | | | - Leonardo Vieira
- Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Davi Farias
- Departamento de Biologia Molecular, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | | | - Ângelo de Fátima
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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Henriques MB, Rezende KFO, Castilho-Barros L, Barbieri E. Sublethal effects of propiconazole on the metabolism of lambari Deuterodon iguape (Eigenmann 1907), a native species from Brazil. FISH PHYSIOLOGY AND BIOCHEMISTRY 2021; 47:1165-1177. [PMID: 34142328 DOI: 10.1007/s10695-021-00968-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/14/2021] [Indexed: 06/12/2023]
Abstract
The objective of this study was to analyze the sublethal effects of propiconazole on Deuterodon iguape, a native fish common in Brazil, which has potential for aquaculture and use as a bioindicator. The hypothesis was to test whether D. iguape has a metabolism similar to Danio rerio so that its use in bioassays may be validated. Lethal concentration (LC50) and metabolic rates were studied in fish exposed to propiconazole. Specific oxygen consumption and ammonia excretion for D. iguape and D. rerio increased by 0.01 µg L-1 and then decreased as the propiconazole concentration increased. The decrease in the averages of specific oxygen consumption at the concentration of 0.1 µg L-1 represented a reduction in the metabolic rate compared to the control of 71% for D. iguape and 40% D. rerio. For the ammonia excretion, at the same concentration, there was a reduction of 68.7% and 45.4% for D. iguape and D. rerio, respectively. When comparing ammonia excretion of the two species for each concentration of propiconazole, there was a significant difference (p < 0.05) in relation to the control and for the highest concentration (0.1 µg L-1). As for specific oxygen consumption, there was a statistically significant difference only for the concentration of 0.1 µg L-1. D. iguape proved to be a good and useful bioindicator for ichthyologists or ecologists in studies of moderate pesticide contamination in freshwater aquatic environments, as its metabolic response was similar to D. rerio.
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Affiliation(s)
- Marcelo Barbosa Henriques
- Instituto de Pesca-Governo do Estado de São Paulo, Av. Bartolomeu de Gusmão, 192, Ponta da Praia, Santos, SP, 11030-906, Brazil.
| | - Karina Fernandes Oliveira Rezende
- Departamento de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 1524, São Paulo, SP, 05508-000, Brazil
| | - Leonardo Castilho-Barros
- Instituto de Pesca-Governo do Estado de São Paulo, Av. Bartolomeu de Gusmão, 192, Ponta da Praia, Santos, SP, 11030-906, Brazil
| | - Edison Barbieri
- Instituto de Pesca Governo Do Estado de São Paulo, Av. Professor Wladimir Besnard, s/n, Cananéia, SP, 11990-000, Brazil
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Cofone R, Carraturo F, Capriello T, Libralato G, Siciliano A, Del Giudice C, Maio N, Guida M, Ferrandino I. Eobania vermiculata as a potential indicator of nitrate contamination in soil. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 204:111082. [PMID: 32795702 DOI: 10.1016/j.ecoenv.2020.111082] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 06/11/2023]
Abstract
The effects of nitrates were analysed on the land snail Eobania vermiculata, a good bioindicator to assess the effects of certain pollutants in soil. It is known that the molluscs are very sensitive to contamination substances and can be used as sentinel organism for environmental pollution assessment. The nitrates are present in fertilizers and in food additives and their excess can not only be harmful to the environment but also dangerous for the humans. Indeed, in the mammals the nitrates are converted into nitrites and can cause a series of complications as the formation of methaemoglobin and cancers. In this study, adult organisms of E. vermiculata were exposed to soil containing 2000 mg/L of nitrates for 30 days to evaluate the stool microbiome and the histological changes at the level of the foot. Eggs of these snails were similarly treated to observe their hatching, survival and development. Histological changes were observed at level of the foot of adult snails exposed to nitrate and in their stools was evident an increase of bacteria, especially those that have a high ability to exploit nitrates and nitrogen as nutrients. Instead, the treated eggs showed changes in hatching, hypopigmentation of newborn snails and a decrease of their survival in time. The overall information obtained from these endpoints can provide important information regarding the quality of the environment. In addition, they also showed that the invertebrate organism E. vermiculata despite being a simple organism is very useful and efficient for ecotoxicological studies.
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Affiliation(s)
- Rita Cofone
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Federica Carraturo
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Teresa Capriello
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Giovanni Libralato
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Antonietta Siciliano
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Carmela Del Giudice
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Nicola Maio
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Marco Guida
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy
| | - Ida Ferrandino
- Department of Biology, University of Naples Federico II, Via Cinthia 21, 80126, Naples, Italy.
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Association between Drinking Water Nitrate and Adverse Reproductive Outcomes: A Systematic PRISMA Review. WATER 2020. [DOI: 10.3390/w12082287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
One in six couples experience fertility problems. Environmental factors may affect reproductive health; however, evidence is lacking regarding drinking water nitrates and outcomes of male and female fertility. The aim of this study was to investigate if exposure to nitrates in drinking water is associated with adverse reproductive outcomes in humans, and animals of fertile age. We conducted a systematic literature search and included case-control studies, cohort studies, and randomized control trials reporting on the association between drinking water nitrate exposure of men, women, or animals and adverse reproductive outcomes, specified as: Semen quality parameters, time to pregnancy (TTP), pregnancy rates, assisted reproductive technologies (ART), and spontaneous abortion. Findings were reported in a narrative synthesis. A total of 12 studies were included. The only human study included reported a decrease in spontaneous abortion at any detectable nitrate level. Overall, the 11 included animal studies support a potential negative effect on semen quality parameters but report equivocal results on TTP and number of offspring produced, and higher risk of spontaneous abortion. In conclusion, animal studies indicate possible effects on semen quality parameters and spontaneous abortion. However, with a few studies, including some with methodological limitations and small sample sizes, caution must be applied when interpreting these results.
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Bailone RL, Aguiar LKD, Roca RDO, Borra RC, Corrêa T, Janke H, Fukushima HCS. “Zebrafish as an animal model for food safety research: trends in the animal research”. FOOD BIOTECHNOL 2019. [DOI: 10.1080/08905436.2019.1673173] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Ricardo Lacava Bailone
- Department of Federal Inspection Service, Ministry of Agriculture, Livestock and Supply of Brazil, Federal Inspection Service, São Carlos, Brazil
- Food Technology, Universidade Estadual Paulista Julio de Mesquita Filho, Sao Paulo, Brazil
| | - Luís Kluwe de Aguiar
- Department of Food Technology and Innovation, Harper Adams University, Edgmond, United Kingdom of Great Britain and Northern Ireland
| | - Roberto de Oliveira Roca
- Department of Food Economics, Sociology and Technology, Universidade Estadual Paulista Julio de Mesquita Filho, Sao Paulo, Brazil
| | - Ricardo Carneiro Borra
- Department of Genetic and Evolution, Federal University of São Carlos, São Carlos, Brazil
| | - Tatiana Corrêa
- Department of Genetic and Evolution, Federal University of São Carlos, São Carlos, Brazil
| | - Helena Janke
- Department of Genetic and Evolution, Federal University of São Carlos, São Carlos, Brazil
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Chen Y, Li Q, Xia C, Yang F, Xu N, Wu Q, Hu Y, Xia L, Wang C, Zhou M. Effect of selenium supplements on the antioxidant activity and nitrite degradation of lactic acid bacteria. World J Microbiol Biotechnol 2019; 35:61. [PMID: 30919142 DOI: 10.1007/s11274-019-2609-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 01/29/2019] [Indexed: 11/24/2022]
Abstract
Selenium (Se) is one of the essential trace elements in the human body, and Se-enriched lactic acid bacteria (LAB) can improve the biological utilization value of inorganic Se. The aim of this study was to isolate Se-enriched LAB and study their effects on antioxidant activity and nitrite degradation. The Se-enriched LAB L.P2, which was nitrite-tolerant and could grow in 30 µg/mL sodium selenite (Na2SeO3) medium, was isolated from the traditional fermented Chinese sauerkraut. L.P2 belonged to Lactobacillus plantarum according to the 16S rDNA analysis. The biomass and lactic acid production of L.P2 reached to a maximum (9.52 log CFU/mL and 16.99 mg/mL) when 2.0 µg/mL Na2SeO3 was supplemented in the medium. Additionally, the nitrite degradation rate reached 85.76% when the initial concentration of Na2SeO3 was 2.0 µg/mL. The Se-enriched LAB enhanced the scavenging capacity of hydroxyl radical and superoxide free radical of L.P2 and improved the lipid peroxidation and ion-chelating abilities. Moreover, the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) in Se 4 group (4.0 µg/mL Na2SeO3 was added) reached 48.49 and 50.35 U/mg, respectively. Thus, Se 4 concentration was significantly higher than that of Se 0 group (with no Se added). In particular, SOD and GSH-Px enzymes correlated with nitrite degradation (P < 0.01). Collectively, our results indicate that Se supplementation can enhance the antioxidant capacity of LAB, contribute to its nitrite degradation, and thus may have potential applications in functional foods.
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Affiliation(s)
- Yang Chen
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Qin Li
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Chengcheng Xia
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Fan Yang
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Ning Xu
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Qian Wu
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Yong Hu
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China
| | - Lusha Xia
- Department of gastroenterology, Renmin Hospital of Wuhan University, Wuhan, 430068, China
| | - Chao Wang
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China.
| | - Mengzhou Zhou
- Research Center of Food Fermentation Engineering and Technology of Hubei, Department of Bioengineering and Food Science, Hubei Cooperative Innovation Center for Industrial Fermentation, Hubei University of Technology, No. 28, Nanli Road, Hongshan District, Wuhan, 430068, Hubei Province, China.
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