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Fukui Y, Nakamura Y, Imaizumi H, Kamoshida M. Microbial influence on the larval survival of Japanese eel Anguilla japonica: Antibiotic-mediated alterations and biomarker isolation. PLoS One 2024; 19:e0306634. [PMID: 38976712 PMCID: PMC11230566 DOI: 10.1371/journal.pone.0306634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 06/20/2024] [Indexed: 07/10/2024] Open
Abstract
In rearing systems for the Japanese eel Anguilla japonica, although it is assumed that microorganisms influence larval survival and mortality, particularly during the early stages of growth, the effects of bacterial communities on larval survival have yet to be sufficiently determined. In this study, we compared the bacterial communities associated with larval survival at three stages of eel growth. To artificially alter bacterial communities and assess larval survival, eel larvae were treated with 11 types of antibiotic, and larval survival and bacterial characteristics were compared between the antibiotic-treated and antibiotic-free control groups. Throughout the three growth stages, eels treated with four antibiotics (polymyxin B, tetracycline, novobiocin, and erythromycin) had survival rates higher than those in the control groups. The bacterial communities of surviving larvae in the control and antibiotic groups and dead larvae in the control groups were subsequently analyzed using 16S rRNA gene amplicon sequencing. PERMANOVA analysis indicated that these three larval groups were characterized by significantly different bacterial communities. We identified 14 biomarker amplicon sequence variants (ASVs) of bacterial genera such as Oceanobacter, Alcanivorax, Marinobacter, Roseibium, and Sneathiella that were enriched in surviving larvae in the antibiotic treatment groups. In contrast, all four biomarker ASVs enriched in dead larvae of the control groups were from bacteria in the genus Vibrio. Moreover, 52 bacterial strains corresponding to nine biomarkers were isolated using a culture method. To the best of our knowledge, this is the first study to evaluate the bacterial communities associated with the survival and mortality of larvae in during the early stages of Japanese eel growth and to isolate biomarker bacterial strains. These findings will provide valuable insights for enhancing larval survival in the eel larval rearing systems from a microbiological perspective.
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Affiliation(s)
- Youhei Fukui
- Fisheries Technology Institute, Japan Fisheries Research and Education Agency, Minamiise, Japan
| | - Yoji Nakamura
- Fisheries Resources Institute, Japan Fisheries Research and Education Agency, Yokohama, Japan
| | - Hitoshi Imaizumi
- Fisheries Technology Institute, Japan Fisheries Research and Education Agency, Minamiizu, Japan
| | - Masaaki Kamoshida
- Headquarters, Japan Fisheries Research and Education Agency, Yokohama, Japan
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2
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Parker J, Marten SM, Ó Corcora TC, Rajkov J, Dubin A, Roth O. The effects of primary and secondary bacterial exposure on the seahorse (Hippocampus erectus) immune response. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 153:105136. [PMID: 38185263 DOI: 10.1016/j.dci.2024.105136] [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: 10/24/2023] [Revised: 12/21/2023] [Accepted: 01/04/2024] [Indexed: 01/09/2024]
Abstract
Evolutionary adaptations in the Syngnathidae teleost family (seahorses, pipefish and seadragons) culminated in an array of spectacular morphologies, key immune gene losses, and the enigmatic male pregnancy. In seahorses, genome modifications associated with immunoglobulins, complement, and major histocompatibility complex (MHC II) pathway components raise questions concerning their immunological efficiency and the evolution of compensatory measures that may act in their place. In this investigation heat-killed bacteria (Vibrio aestuarianus and Tenacibaculum maritimum) were used in a two-phased experiment to assess the immune response dynamics of Hippocampus erectus. Gill transcriptomes from double and single-exposed individuals were analysed in order to determine the differentially expressed genes contributing to immune system responses towards immune priming. Double-exposed individuals exhibited a greater adaptive immune response when compared with single-exposed individuals, while single-exposed individuals, particularly with V. aestuarianus replicates, associated more with the innate branch of the immune system. T. maritimum double-exposed replicates exhibited the strongest immune reaction, likely due to their immunological naivety towards the bacterium, while there are also potential signs of innate trained immunity. MHC II upregulated expression was identified in selected V. aestuarianus-exposed seahorses, in the absence of other pathway constituents suggesting a possible alternative or non-classical MHC II immune function in seahorses. Gene Ontology (GO) enrichment analysis highlighted prominent angiogenesis activity following secondary exposure, which could be linked to an adaptive immune process in seahorses. This investigation highlights the prominent role of T-cell mediated adaptive immune responses in seahorses when exposed to sequential foreign bacteria exposures. If classical MHC II pathway function has been lost, innate trained immunity in syngnathids could be a potential compensatory mechanism.
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Affiliation(s)
- Jamie Parker
- Marine Evolutionary Biology, Christian-Albrechts-University, D-24118, Kiel, Germany.
| | - Silke-Mareike Marten
- Marine Evolutionary Biology, Christian-Albrechts-University, D-24118, Kiel, Germany
| | - Tadhg C Ó Corcora
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, D-24105, Kiel, Germany
| | - Jelena Rajkov
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, D-24105, Kiel, Germany
| | - Arseny Dubin
- Marine Evolutionary Biology, Christian-Albrechts-University, D-24118, Kiel, Germany
| | - Olivia Roth
- Marine Evolutionary Biology, Christian-Albrechts-University, D-24118, Kiel, Germany
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3
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Auclert LZ, Chhanda MS, Derome N. Interwoven processes in fish development: microbial community succession and immune maturation. PeerJ 2024; 12:e17051. [PMID: 38560465 PMCID: PMC10981415 DOI: 10.7717/peerj.17051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 02/13/2024] [Indexed: 04/04/2024] Open
Abstract
Fishes are hosts for many microorganisms that provide them with beneficial effects on growth, immune system development, nutrition and protection against pathogens. In order to avoid spreading of infectious diseases in aquaculture, prevention includes vaccinations and routine disinfection of eggs and equipment, while curative treatments consist in the administration of antibiotics. Vaccination processes can stress the fish and require substantial farmer's investment. Additionally, disinfection and antibiotics are not specific, and while they may be effective in the short term, they have major drawbacks in the long term. Indeed, they eliminate beneficial bacteria which are useful for the host and promote the raising of antibiotic resistance in beneficial, commensal but also in pathogenic bacterial strains. Numerous publications highlight the importance that plays the diversified microbial community colonizing fish (i.e., microbiota) in the development, health and ultimately survival of their host. This review targets the current knowledge on the bidirectional communication between the microbiota and the fish immune system during fish development. It explores the extent of this mutualistic relationship: on one hand, the effect that microbes exert on the immune system ontogeny of fishes, and on the other hand, the impact of critical steps in immune system development on the microbial recruitment and succession throughout their life. We will first describe the immune system and its ontogeny and gene expression steps in the immune system development of fishes. Secondly, the plurality of the microbiotas (depending on host organism, organ, and development stage) will be reviewed. Then, a description of the constant interactions between microbiota and immune system throughout the fish's life stages will be discussed. Healthy microbiotas allow immune system maturation and modulation of inflammation, both of which contribute to immune homeostasis. Thus, immune equilibrium is closely linked to microbiota stability and to the stages of microbial community succession during the host development. We will provide examples from several fish species and describe more extensively the mechanisms occurring in zebrafish model because immune system ontogeny is much more finely described for this species, thanks to the many existing zebrafish mutants which allow more precise investigations. We will conclude on how the conceptual framework associated to the research on the immune system will benefit from considering the relations between microbiota and immune system maturation. More precisely, the development of active tolerance of the microbiota from the earliest stages of life enables the sustainable establishment of a complex healthy microbial community in the adult host. Establishing a balanced host-microbiota interaction avoids triggering deleterious inflammation, and maintains immunological and microbiological homeostasis.
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Affiliation(s)
- Lisa Zoé Auclert
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Canada
| | - Mousumi Sarker Chhanda
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Canada
- Department of Aquaculture, Faculty of Fisheries, Hajee Mohammad Danesh Science and Technology University, Basherhat, Bangladesh
| | - Nicolas Derome
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Canada
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4
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Soh M, Tay YC, Lee CS, Low A, Orban L, Jaafar Z, Seedorf H. The intestinal digesta microbiota of tropical marine fish is largely uncultured and distinct from surrounding water microbiota. NPJ Biofilms Microbiomes 2024; 10:11. [PMID: 38374184 PMCID: PMC10876542 DOI: 10.1038/s41522-024-00484-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 02/06/2024] [Indexed: 02/21/2024] Open
Abstract
Studying the gut microbes of marine fishes is an important part of conservation as many fish species are increasingly threatened by extinction. The gut microbiota of only a small fraction of the more than 32,000 known fish species has been investigated. In this study we analysed the intestinal digesta microbiota composition of more than 50 different wild fish species from tropical waters. Our results show that the fish harbour intestinal digesta microbiota that are distinct from that of the surrounding water and that location, domestication status, and host intrinsic factors are strongly associated with the microbiota composition. Furthermore, we show that the vast majority (~97%) of the fish-associated microorganisms do not have any cultured representative. Considering the impact of the microbiota on host health and physiology, these findings underpin the call to also preserve the microbiota of host species, especially those that may be exposed to habitat destruction.
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Affiliation(s)
- Melissa Soh
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore
| | - Ywee Chieh Tay
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore
| | - Co Sin Lee
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore
| | - Adrian Low
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, MD6-Centre for Translational Medicine, 14 Medical Drive, Singapore, 117599, Singapore
| | - Laszlo Orban
- Frontline Fish Genomics Research Group, Department of Applied Fish Biology, Institute of Aquaculture and Environmental Safety, Georgikon Campus, Hungarian University of Agriculture and Life Sciences, Keszthely, 8360, Hungary
| | - Zeehan Jaafar
- Department of Biological Sciences, National University of Singapore, Singapore, 117558, Singapore
| | - Henning Seedorf
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore.
- Department of Biological Sciences, National University of Singapore, Singapore, 117558, Singapore.
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Tanger IS, Stefanschitz J, Schwert Y, Roth O. The source of microbial transmission influences niche colonization and microbiome development. Proc Biol Sci 2024; 291:20232036. [PMID: 38320611 PMCID: PMC10846951 DOI: 10.1098/rspb.2023.2036] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/04/2024] [Indexed: 02/08/2024] Open
Abstract
Early life microbial colonizers shape and support the immature vertebrate immune system. Microbial colonization relies on the vertical route via parental provisioning and the horizontal route via environmental contribution. Vertical transmission is mostly a maternal trait making it hard to determine the source of microbial colonization in order to gain insight into the establishment of the microbial community during crucial development stages. The evolution of unique male pregnancy in pipefishes and seahorses enables the disentanglement of both horizontal and vertical transmission, but also facilitates the differentiation of maternal versus paternal provisioning ranging from egg development, to male pregnancy and early juvenile development. Using 16S rRNA amplicon sequencing and source-tracker analyses, we revealed how the distinct origins of transmission (maternal, paternal and horizontal) shaped the juvenile internal and external microbiome establishment in the broad-nosed pipefish Syngnathus typhle. Our data suggest that transovarial maternal microbial contribution influences the establishment of the juvenile gut microbiome whereas paternal provisioning mainly shapes the juvenile external microbiome. The identification of juvenile key microbes reveals crucial temporal shifts in microbial development and enhances our understanding of microbial transmission routes, colonization dynamics and their impact on lifestyle evolution.
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Affiliation(s)
- Isabel S. Tanger
- GEOMAR, Helmholtz Centre for Ocean Research Kiel, Marine Evolutionary Ecology, Düsternbrookerweg 20, 24105 Kiel, Germany
- Zoological Institute, Marine Evolutionary Biology, Kiel University, Am Botanischen Garten 1-9, 24118 Kiel, Germany
| | - Julia Stefanschitz
- GEOMAR, Helmholtz Centre for Ocean Research Kiel, Marine Evolutionary Ecology, Düsternbrookerweg 20, 24105 Kiel, Germany
| | - Yannick Schwert
- Zoological Institute, Marine Evolutionary Biology, Kiel University, Am Botanischen Garten 1-9, 24118 Kiel, Germany
| | - Olivia Roth
- GEOMAR, Helmholtz Centre for Ocean Research Kiel, Marine Evolutionary Ecology, Düsternbrookerweg 20, 24105 Kiel, Germany
- Zoological Institute, Marine Evolutionary Biology, Kiel University, Am Botanischen Garten 1-9, 24118 Kiel, Germany
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6
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Augustine TN, Buthelezi S, Pather K, Xulu KR, Stoychev S. Secretomics reveals hormone-therapy of breast cancer may induce survival by facilitating hypercoagulation and immunomodulation in vitro. Sci Rep 2024; 14:1486. [PMID: 38233507 PMCID: PMC10794708 DOI: 10.1038/s41598-023-49755-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 12/12/2023] [Indexed: 01/19/2024] Open
Abstract
Tumour cell haematogenous dissemination is predicated on molecular changes that enhance their capacity for invasion and preparation of the pre-metastatic niche. It is increasingly evident that platelets play an essential role in this transformation. The systemic nature of signalling molecules and extravascular factors that participate in mediating platelet-tumour cell interactions led to the development of an in vitro co-culture using whole blood and breast tumour cells, allowing us to decipher the impact of hormone-therapy on tumour cells and associated changes in the plasma proteome. Using mass spectrometry, we determined dysregulation of proteins associated with maintaining an invasive tumour phenotype. Tumour changes in genes associated with EMT and survival were documented. This is postulated to be induced via tumour cell interactions with the coagulatory and immune systems. Results highlight tumour cell adaptability to both treatment and blood resulting in a pro-tumorigenic response and a hypercoagulatory state. We illustrate that the breast cancer cell secretome can be altered by hormone-therapy, subject to the tumour subphenotype and linked to platelet activation. More sophisticated co-culture systems are required to recapitulate these interactions to better understand tumorigenesis. Moreover, deeper plasma profiling, using abundant protein depleted and/or vesicle enriched strategies, will likely reveal additional secretory proteins related to tumour cell-platelet interactions.
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Affiliation(s)
- Tanya N Augustine
- School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
| | - Sindisiwe Buthelezi
- Department of Biosciences, Council for Scientific and Industrial Research, Pretoria, South Africa
| | - Kyrtania Pather
- School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Kutlwano R Xulu
- School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Stoyan Stoychev
- Department of Biosciences, Council for Scientific and Industrial Research, Pretoria, South Africa.
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7
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Ibrahim S, van Rooij J, Verkerk AJ, de Vries J, Zuurbier L, Defesche J, Peter J, Schonck WA, Sedaghati-Khayat B, Kees Hovingh G, Uitterlinden AG, Stroes ES, Reeskamp LF. Low-Cost High-Throughput Genotyping for Diagnosing Familial Hypercholesterolemia. CIRCULATION. GENOMIC AND PRECISION MEDICINE 2023; 16:462-469. [PMID: 37675602 PMCID: PMC10581440 DOI: 10.1161/circgen.123.004103] [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: 02/09/2023] [Accepted: 08/11/2023] [Indexed: 09/08/2023]
Abstract
BACKGROUND Familial hypercholesterolemia (FH) is a common but underdiagnosed genetic disorder characterized by high low-density lipoprotein cholesterol levels and premature cardiovascular disease. Current sequencing methods to diagnose FH are expensive and time-consuming. In this study, we evaluated the accuracy of a low-cost, high-throughput genotyping array for diagnosing FH. METHODS An Illumina Global Screening Array was customized to include probes for 636 variants, previously classified as FH-causing variants. First, its theoretical coverage was assessed in all FH variant carriers diagnosed through next-generation sequencing between 2016 and 2022 in the Netherlands (n=1772). Next, the performance of the array was validated in another sample of FH variant carriers previously identified in the Dutch FH cascade screening program (n=1268). RESULTS The theoretical coverage of the array for FH-causing variants was 91.3%. Validation of the array was assessed in a sample of 1268 carriers of whom 1015 carried a variant in LDLR, 250 in APOB, and 3 in PCSK9. The overall sensitivity was 94.7% and increased to 98.2% after excluding participants with variants not included in the array design. Copy number variation analysis yielded a 89.4% sensitivity. In 18 carriers, the array identified a total of 19 additional FH-causing variants. Subsequent DNA analysis confirmed 5 of the additionally identified variants, yielding a false-positive result in 16 subjects (1.3%). CONCLUSIONS The FH genotyping array is a promising tool for genetically diagnosing FH at low costs and has the potential to greatly increase accessibility to genetic testing for FH. Continuous customization of the array will further improve its performance.
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Affiliation(s)
- Shirin Ibrahim
- Department of Vascular Medicine (S.I., J.P., W.A.M.S., G.K.H., E.S.G.S., L.F.R.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Jeroen van Rooij
- Department of Internal Medicine, Erasmus MC, Rotterdam, the Netherlands (J.v.R., A.J.M.H.V., J.d.V., B.S.-K., A.G.U.)
| | - Annemieke J.M.H. Verkerk
- Department of Internal Medicine, Erasmus MC, Rotterdam, the Netherlands (J.v.R., A.J.M.H.V., J.d.V., B.S.-K., A.G.U.)
| | - Jard de Vries
- Department of Internal Medicine, Erasmus MC, Rotterdam, the Netherlands (J.v.R., A.J.M.H.V., J.d.V., B.S.-K., A.G.U.)
| | - Linda Zuurbier
- Department of Human Genetics (L.Z., J.D.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Joep Defesche
- Department of Human Genetics (L.Z., J.D.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Jorge Peter
- Department of Vascular Medicine (S.I., J.P., W.A.M.S., G.K.H., E.S.G.S., L.F.R.), Amsterdam UMC, University of Amsterdam, the Netherlands
- Department of Experimental Vascular Medicine (J.P., G.K.H.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Willemijn A.M. Schonck
- Department of Vascular Medicine (S.I., J.P., W.A.M.S., G.K.H., E.S.G.S., L.F.R.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Bahar Sedaghati-Khayat
- Department of Internal Medicine, Erasmus MC, Rotterdam, the Netherlands (J.v.R., A.J.M.H.V., J.d.V., B.S.-K., A.G.U.)
| | - G. Kees Hovingh
- Department of Vascular Medicine (S.I., J.P., W.A.M.S., G.K.H., E.S.G.S., L.F.R.), Amsterdam UMC, University of Amsterdam, the Netherlands
- Department of Experimental Vascular Medicine (J.P., G.K.H.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - André G. Uitterlinden
- Department of Internal Medicine, Erasmus MC, Rotterdam, the Netherlands (J.v.R., A.J.M.H.V., J.d.V., B.S.-K., A.G.U.)
| | - Erik S.G. Stroes
- Department of Vascular Medicine (S.I., J.P., W.A.M.S., G.K.H., E.S.G.S., L.F.R.), Amsterdam UMC, University of Amsterdam, the Netherlands
| | - Laurens F. Reeskamp
- Department of Vascular Medicine (S.I., J.P., W.A.M.S., G.K.H., E.S.G.S., L.F.R.), Amsterdam UMC, University of Amsterdam, the Netherlands
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8
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Kloc M. Seahorse Male Pregnancy as a Model System to Study Pregnancy, Immune Adaptations, and Environmental Effects. Int J Mol Sci 2023; 24:9712. [PMID: 37298663 PMCID: PMC10253279 DOI: 10.3390/ijms24119712] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/13/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
Seahorses, together with sea dragons and pipefishes, belong to the Syngnathidae family of teleost fishes. Seahorses and other Syngnathidae species have a very peculiar feature: male pregnancy. Among different species, there is a gradation of paternal involvement in carrying for the offspring, from a simple attachment of the eggs to the skin surface, through various degrees of egg coverage by skin flaps, to the internal pregnancy within a brood pouch, which resembles mammalian uterus with the placenta. Because of the gradation of parental involvement and similarities to mammalian pregnancy, seahorses are a great model to study the evolution of pregnancy and the immunologic, metabolic, cellular, and molecular processes of pregnancy and embryo development. Seahorses are also very useful for studying the effects of pollutants and environmental changes on pregnancy, embryo development, and offspring fitness. We describe here the characteristics of seahorse male pregnancy, its regulatory mechanisms, the development of immune tolerance of the parent toward the allogeneic embryos, and the effects of environmental pollutants on pregnancy and embryo development.
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Affiliation(s)
- Malgorzata Kloc
- The Houston Methodist Research Institute, Transplant Immunology, Houston, TX 77030, USA;
- Department of Surgery, The Houston Methodist Hospital, Houston, TX 77030, USA
- MD Anderson Cancer Center, Department of Genetics, The University of Texas, Houston, TX 77030, USA
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9
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Parker J, Dubin A, Schneider R, Wagner KS, Jentoft S, Böhne A, Bayer T, Roth O. Immunological tolerance in the evolution of male pregnancy. Mol Ecol 2023; 32:819-840. [PMID: 34951070 DOI: 10.1111/mec.16333] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 11/29/2022]
Abstract
The unique male pregnancy in pipefishes and seahorses ranges from basic attachment (pouch-less species: Nerophinae) of maternal eggs to specialized internal gestation in pouched species (e.g. Syngnathus and Hippocampus) with many transitions in between. Due to this diversity, male pregnancy offers a unique platform for assessing physiological and molecular adaptations in pregnancy evolution. These insights will contribute to answering long-standing questions of why and how pregnancy evolved convergently in so many vertebrate systems. To understand the molecular congruencies and disparities in male pregnancy evolution, we compared transcriptome-wide differentially expressed genes in four syngnathid species, at four pregnancy stages (nonpregnant, early, late and parturition). Across all species and pregnancy forms, metabolic processes and immune dynamics defined pregnancy stages, especially pouched species shared expression features akin to female pregnancy. The observed downregulation of adaptive immune genes in early-stage pregnancy and its reversed upregulation during late/parturition in pouched species, most notably in Hippocampus, combined with directionless expression in the pouch-less species, suggests immune modulation to be restricted to pouched species that evolved placenta-like systems. We propose that increased foeto-paternal intimacy in pouched syngnathids commands immune suppression processes in early gestation, and that the elevated immune response during parturition coincides with pouch opening and reduced progeny reliance. Immune response regulation in pouched species supports the recently described functional MHC II pathway loss as critical in male pregnancy evolution. The independent co-option of similar genes and pathways both in male and female pregnancy highlights immune modulation as crucial for the evolutionary establishment of pregnancy.
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Affiliation(s)
- Jamie Parker
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Arseny Dubin
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Ralf Schneider
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Kim Sara Wagner
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Sissel Jentoft
- Department of Biosciences, Centre for Ecological and Evolutionary Synthesis, University of Oslo, Oslo, Norway
| | - Astrid Böhne
- Center for Molecular Biodiversity Research, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | - Till Bayer
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Olivia Roth
- Marine Evolutionary Ecology, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
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10
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Tsogoo A, Tsedev N, Gibaud A, Daniel P, Kassiba A, Fukuda M, Kusano Y, Azuma M, Tsogbadrakh N, Ragchaa G, Dashzeveg R, Ganbold EO. Experimental and ab initio studies on the structural, magnetic, photocatalytic, and antibacterial properties of Cu-doped ZnO nanoparticles. RSC Adv 2023; 13:1256-1266. [PMID: 36686939 PMCID: PMC9812019 DOI: 10.1039/d2ra07204a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 12/19/2022] [Indexed: 01/05/2023] Open
Abstract
Copper-doped ZnO nanoparticles with a dopant concentration varying from 1-7 mol% were synthesized and their structural, magnetic, and photocatalytic properties were studied using XRD, TEM, SQUID magnetometry, EPR, UV-vis spectroscopy, and first-principles methods within the framework of density functional theory (DFT). Structural analysis indicated highly crystalline Cu-doped ZnO nanoparticles with a hexagonal wurtzite structure, irrespective of the dopant concentration. EDX and EPR studies indicated the incorporation of doped Cu2+ ions in the host ZnO lattice. The photocatalytic activities of the Cu-doped ZnO nanoparticles investigated through the degradation of methylene blue demonstrated an enhancement in photocatalytic activity as the degradation rate changed from 9.89 × 10-4 M min-1 to 4.98 × 10-2 M min-1. By the first-principles method, our results indicated that the Cu(3d) orbital was strongly hybridized with the O(2p) state below the valence band maximum (VBM) due to covalent bonding, and the ground states of the Cu-doped ZnO is favorable for the ferromagnetic state by the asymmetry of majority and minority states due to the presence of unpaired electron.
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Affiliation(s)
- Ariunzaya Tsogoo
- Institute of Molecules and Materials of Le Mans-IMMM UMR CNRS 6283, Le Mans UniversityAv.O. MessiaenLe Mans Cedex 72085France,Department of Chemistry, School of Arts and Sciences, National University of MongoliaUniversity Street 1, Sukhbaatar DistrictUlaanbaatar14201Mongolia
| | - Ninjbadgar Tsedev
- Center for Nanoscinece and Nanotechnology, National University of Mongolia, University Street 1Sukhbaatar DistrictUlaanbaatar14201Mongolia,Laboratory for Materials and Structures, Tokyo Institute of TechnologyYokohama 226-8503KanagawaJapan,Tokyo Tech World Research Hub Initiative, Institute of Innovative Research, Tokyo Institute of TechnologyYokohama 226-8503KanagawaJapan
| | - Alain Gibaud
- Institute of Molecules and Materials of Le Mans-IMMM UMR CNRS 6283, Le Mans UniversityAv.O. MessiaenLe Mans Cedex 72085France
| | - Philippe Daniel
- Institute of Molecules and Materials of Le Mans-IMMM UMR CNRS 6283, Le Mans UniversityAv.O. MessiaenLe Mans Cedex 72085France
| | - Abdelhadi Kassiba
- Institute of Molecules and Materials of Le Mans-IMMM UMR CNRS 6283, Le Mans UniversityAv.O. MessiaenLe Mans Cedex 72085France
| | - Masayuki Fukuda
- Laboratory for Materials and Structures, Tokyo Institute of TechnologyYokohama 226-8503KanagawaJapan
| | - Yoshihiro Kusano
- Tokyo Tech World Research Hub Initiative, Institute of Innovative Research, Tokyo Institute of TechnologyYokohama 226-8503KanagawaJapan,Department of Applied Chemistry and Biotechnology, Okayama University of SciencesOkayamaJapan
| | - Masaki Azuma
- Laboratory for Materials and Structures, Tokyo Institute of TechnologyYokohama 226-8503KanagawaJapan
| | - Namsrai Tsogbadrakh
- Department of Physics, School of Arts and Sciences, National University of MongoliaUniversity Street 1, Sukhbaatar DistrictUlaanbaatar14201Mongolia
| | - Galbadrakh Ragchaa
- Department of Physics, School of Arts and Sciences, National University of MongoliaUniversity Street 1, Sukhbaatar DistrictUlaanbaatar14201Mongolia
| | - Rentsenmyadag Dashzeveg
- Department of Chemistry, School of Arts and Sciences, National University of MongoliaUniversity Street 1, Sukhbaatar DistrictUlaanbaatar14201Mongolia
| | - Erdene-Ochir Ganbold
- Department of Physics, School of Arts and Sciences, National University of MongoliaUniversity Street 1, Sukhbaatar DistrictUlaanbaatar14201Mongolia
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11
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Ilatovskii DA, Gilshtein EP, Glukhova OE, Nasibulin AG. Transparent Conducting Films Based on Carbon Nanotubes: Rational Design toward the Theoretical Limit. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201673. [PMID: 35712777 PMCID: PMC9405519 DOI: 10.1002/advs.202201673] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/22/2022] [Indexed: 05/19/2023]
Abstract
Electrically conductive thin-film materials possessing high transparency are essential components for many optoelectronic devices. The advancement in the transparent conductor applications requires a replacement of indium tin oxide (ITO), one of the key materials in electronics. ITO and other transparent conductive metal oxides have several drawbacks, including poor flexibility, high refractive index and haze, limited chemical stability, and depleted raw material supply. Single-walled carbon nanotubes (SWCNTs) are a promising alternative for transparent conducting films (TCFs) because of their unique and excellent chemical and physical properties. Here, the latest achievements in the optoelectronic performance of TCFs based on SWCNTs are analyzed. Various approaches to evaluate the performance of transparent electrodes are briefly reviewed. A roadmap for further research and development of the transparent conductors using "rational design," which breaks the deadlock for obtaining the TCFs with a performance close to the theoretical limit, is also described.
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Affiliation(s)
- Daniil A. Ilatovskii
- Skolkovo Institute of Science and TechnologyNobel Str. 3Moscow143026Russian Federation
| | - Evgeniia P. Gilshtein
- Empa‐Swiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129Dübendorf8600Switzerland
| | - Olga E. Glukhova
- Saratov State UniversityAstrakhanskaya Str. 83Saratov410012Russian Federation
- I.M. Sechenov First Moscow State Medical UniversityBolshaya Pirogovskaya Str. 2–4Moscow119991Russian Federation
| | - Albert G. Nasibulin
- Skolkovo Institute of Science and TechnologyNobel Str. 3Moscow143026Russian Federation
- Aalto UniversityEspooFI‐00076Finland
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12
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Bioremediation potential of hexavalent chromium-resistant Arthrobacter globiformis 151B: study of the uptake of cesium and other alkali ions. INTERNATIONAL MICROBIOLOGY : THE OFFICIAL JOURNAL OF THE SPANISH SOCIETY FOR MICROBIOLOGY 2022; 25:745-758. [PMID: 35768673 DOI: 10.1007/s10123-022-00258-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 05/04/2022] [Accepted: 06/07/2022] [Indexed: 10/17/2022]
Abstract
Cesium (Cs+) enters environments largely because of global release into the environment from weapons testing and accidents such as Fukushima Daiichi and Chernobyl nuclear waste. Even at low concentrations, Cs+ is highly toxic to ecological receptors because of its physicochemical similarity to macronutrient potassium (K+). We investigated the uptake and accumulation of Cs+ by Arthrobacter globiformis strain 151B in reference to three similar alkali metal cations rubidium (Rb+), sodium (Na+), and potassium (K+). The impact of hexavalent chromium (Cr+6) as a co-contaminant was also evaluated. A. globiformis 151B accumulated Cs+ and Cr6+ in a time-dependent fashion. In contrast, the uptake and accumulation of Rb+ did not exhibit any trends. An exposure to Cs+, Rb+, and Cr+6 triggered a drastic increase in K+ and Na+ uptake by the bacterial cells. That was followed by the efflux of K+ and Na+, suggesting a Cs+ "substitution." Two-dimensional gel-electrophoresis of bacterial cell proteomes with the following mass-spectrometry of differentially expressed bands revealed that incubation of bacterial cells with Cs+ induced changes in the expression of proteins involved in the maintenance of cellular homeostasis and reactive oxygen species removal. The ability of A. globiformis 151B to mediate the uptake and accumulation of cesium and hexavalent chromium suggests that it possesses wide-range bioremediation potential.
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13
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Abdelhafiz Y, Fernandes JMO, Donati C, Pindo M, Kiron V. Intergenerational Transfer of Persistent Bacterial Communities in Female Nile Tilapia. Front Microbiol 2022; 13:879990. [PMID: 35655994 PMCID: PMC9152445 DOI: 10.3389/fmicb.2022.879990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 04/11/2022] [Indexed: 11/30/2022] Open
Abstract
Resident microbial communities that can support various host functions play a key role in their development and health. In fishes, microbial symbionts are vertically transferred from the parents to their progeny. Such transfer of microbes in mouthbrooder fish species has not been reported yet. Here, we employed Nile tilapia (Oreochromis niloticus) to investigate the vertical transmission of microbes across generations using a 16S rRNA amplicon sequencing approach, based on the presence of bacteria in different generations. Our analysis revealed that the core microbiome in the buccal cavity and posterior intestine of parents shapes the gut microbiome of the progeny across generations. We speculate that the route of this transmission is via the buccal cavity. The identified core microbiome bacteria, namely Nocardioides, Propionibacterium, and Sphingomonas have been reported to play an essential role in the health and development of offspring. These core microbiome members could have specific functions in fish, similar to mammals.
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Affiliation(s)
- Yousri Abdelhafiz
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
| | | | - Claudio Donati
- Unit of Computational Biology, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, Italy
| | - Massimo Pindo
- Unit of Computational Biology, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, Italy
| | - Viswanath Kiron
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
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14
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Evans SE, Zandonà E, Amaral JR, Fitzpatrick SW. Shifts in gut microbiome across five decades of repeated guppy translocations in Trinidadian streams. Proc Biol Sci 2022; 289:20211955. [PMID: 35611540 PMCID: PMC9130790 DOI: 10.1098/rspb.2021.1955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
An organism's gut microbiome can alter its fitness, yet we do not know how gut microbiomes change as their hosts evolve in the wild. We took advantage of a five-decade 'chronosequence' of translocated fish populations to examine associated changes in the gut microbiome. Populations of Trinidadian guppies have displayed parallel phenotypic convergence six times when moved from high predation (HP) to low predation (LP) environments. Across four drainages, we found microbiomes of fish translocated 5-6 years prior to sampling were already distinct from the microbiomes of their HP source populations. Changes in environmental conditions were most important in driving this shift, followed by phenotypic shifts in gut morphology. After 30-60 years in LP environments, microbiome composition was still distinct from native LP populations, but microbiome function was not. We found some evidence that nitrogen fixation enhanced gut nutrient absorption, but most functional shifts were not parallel across drainages. Stream-and drainage-specific signatures were present for both composition and function, despite our overall finding of consistent microbiome change across drainages. As we unravel the complexities of host-microbiome evolution in the wild, studies should consider environmental microbial colonization, host phenotypic plasticity in nature, and more realistic environmental conditions excluded from laboratory studies.
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Affiliation(s)
- S. E. Evans
- W.K. Kellogg Biological Station, Michigan State University, 3700 E. Gull Lake Dr., Hickory Corners, MI 49060, USA,Department of Integrative Biology, Michigan State University, East Lansing, MI, USA,Ecology, Evolution, and Behavior Program, Michigan State University, East Lansing, MI, USA,Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - E. Zandonà
- Department of Ecology, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil,Programa de Pós-Graduação em Ecologia e Evolução, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - J. Ribeiro Amaral
- Programa de Pós-Graduação em Ecologia e Evolução, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - S. W. Fitzpatrick
- W.K. Kellogg Biological Station, Michigan State University, 3700 E. Gull Lake Dr., Hickory Corners, MI 49060, USA,Department of Integrative Biology, Michigan State University, East Lansing, MI, USA,Ecology, Evolution, and Behavior Program, Michigan State University, East Lansing, MI, USA
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15
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Xiao W, Chen Z, Zhang Y, Wu Y, Jiang H, Zhang H, Qu M, Lin Q, Qin G. Hepcidin Gene Co-Option Balancing Paternal Immune Protection and Male Pregnancy. Front Immunol 2022; 13:884417. [PMID: 35529860 PMCID: PMC9073008 DOI: 10.3389/fimmu.2022.884417] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 03/24/2022] [Indexed: 11/13/2022] Open
Abstract
Viviparity has originated independently more than 150 times in vertebrates, while the male pregnancy only emerged in Syngnathidae fishes, such as seahorses. The typical male pregnancy seahorses have closed sophisticated brood pouch that act as both uterus and placenta, representing an excellent model system for studying the evolutionary process of paternal immune protection. Phylogenetic analysis indicated that the hampII gene family has multiple tandem duplicated genes and shows independent lineage-specific expansion in seahorses, and they had the highest ratio of nonsynonymous substitutions to synonymous substitutions (dN/dS) in the seahorse phylogenetic branch. The expression levels of hampIIs in the brood pouch placenta were significantly higher during pregnancy than non-pregnancy. Both LPS stimulation test in vivo and cytotoxicity test in vitro proved the immunological protection function of hampIIs against pathogen infection in seahorse. Besides, seahorse hampII peptides exhibit weaker antibacterial function, but stronger agglutination and free endotoxin inhibition. We assumed that the modified immunological function seemed to be a trade-off between the resistance to microbial attack and offspring protection. In brief, this study suggests that the rapid co-option of hampIIs contributes to the evolutionary adaption to paternal immune care during male pregnancy.
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Affiliation(s)
- Wanghong Xiao
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- University of the Chinese Academy of Sciences, Beijing, China
| | - Zelin Chen
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Yanhong Zhang
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Yongli Wu
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Han Jiang
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Huixian Zhang
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Meng Qu
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Qiang Lin
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- University of the Chinese Academy of Sciences, Beijing, China
- *Correspondence: Geng Qin, ; Qiang Lin,
| | - Geng Qin
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- *Correspondence: Geng Qin, ; Qiang Lin,
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16
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Acosta GA, Fonseca MI, Fariña JI, Zapata PD. Exploring Agaricomycetes from the Paranaense rainforest (Misiones, Argentina) as an unconventional source of fibrinolytic enzymes. Mycologia 2022; 114:242-253. [PMID: 35394849 DOI: 10.1080/00275514.2022.2035148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Fungal fibrinolytic enzymes, secreted by some Agaricomycetes, are recognized as important thrombolytic agents due to their ability to rapidly dissolve thromboembolic clots. The present work evaluated fibrinolytic and proteolytic secretion abilities of 35 Agaricomycetes isolates from the Paranaense rainforest (Misiones, Argentina). We detected proteolytic activity in 40% of the strains while nine strains showed fibrinolytic activity. Schizophyllum commune LBM 026, Schizophyllum commune LBM 223, and Hornodermoporus martius LBM 224 exhibited the highest levels of fibrinolytic activity. Fibrin zymography from S. commune LBM 026 and LBM 223 showed an enzyme of 27.5 kDa, while H. martius LBM 224 presented an enzyme of 29 kDa. The evaluation of the enzymatic stability of culture supernatant of these strains revealed that the fibrinolytic activity was highly stable over a wide temperature and pH range. Long-term stability of fibrinolytic activity at physiological conditions evidenced that the strains had a half-life of at least 72 h. Fibrinolytic enzymes produced by S. commune LBM 026 and LBM 223 were inhibited in the presence of EDTA indicating that they are metalloproteases. This work reveals the potential of S. commune LBM 026, S. commune LBM 223, and H. martius LBM 224 as an unconventional source of thrombolytic agents.
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Affiliation(s)
- Gabriela Alejandra Acosta
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones "Dra. María Ebe Reca" (InBioMis), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, Misiones 3300, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires 1425, Argentina
| | - María Isabel Fonseca
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones "Dra. María Ebe Reca" (InBioMis), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, Misiones 3300, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires 1425, Argentina
| | - Julia Inés Fariña
- Laboratorio de Micodiversidad y Micoprospección, Planta Piloto de Procesos Industriales Microbiológicos, Consejo Nacional de Investigaciones Científicas y Técnicas (PROIMI-CONICET), S.M. Tucumán, Tucumán 4001, Argentina
| | - Pedro Darío Zapata
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones "Dra. María Ebe Reca" (InBioMis), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, Misiones 3300, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires 1425, Argentina
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17
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Giraud C, Callac N, Beauvais M, Mailliez JR, Ansquer D, Selmaoui-Folcher N, Pham D, Wabete N, Boulo V. Potential lineage transmission within the active microbiota of the eggs and the nauplii of the shrimp Litopenaeus stylirostris: possible influence of the rearing water and more. PeerJ 2021; 9:e12241. [PMID: 34820157 PMCID: PMC8601056 DOI: 10.7717/peerj.12241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/12/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Microbial communities associated with animals are known to be key elements in the development of their hosts. In marine environments, these communities are largely under the influence of the surrounding water. In aquaculture, understanding the interactions existing between the microbiotas of farmed species and their rearing environment could help establish precise bacterial management. METHOD In light of these facts, we studied the active microbial communities associated with the eggs and the nauplii of the Pacific blue shrimp (Litopenaeus stylirostris) and their rearing water. All samples were collected in September 2018, November 2018 and February 2019. After RNA extractions, two distinct Illumina HiSeq sequencings were performed. Due to different sequencing depths and in order to compare samples, data were normalized using the Count Per Million method. RESULTS We found a core microbiota made of taxa related to Aestuariibacter, Alteromonas, Vibrio, SAR11, HIMB11, AEGEAN 169 marine group and Candidatus Endobugula associated with all the samples indicating that these bacterial communities could be transferred from the water to the animals. We also highlighted specific bacterial taxa in the eggs and the nauplii affiliated to Pseudomonas, Corynebacterium, Acinetobacter, Labrenzia, Rothia, Thalassolituus, Marinobacter, Aureispira, Oleiphilus, Profundimonas and Marinobacterium genera suggesting a possible prokaryotic vertical transmission from the breeders to their offspring. This study is the first to focus on the active microbiota associated with early developmental stages of a farmed shrimp species and could serve as a basis to comprehend the microbial interactions involved throughout the whole rearing process.
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Affiliation(s)
- Carolane Giraud
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
- University of New Caledonia, Institut des Sciences Exactes et Appliquées (ISEA), Noumea, New Caledonia
| | - Nolwenn Callac
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
| | - Maxime Beauvais
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
- Sorbonne Université, UMR 7261, Laboratoire d’Océanographie Microbienne, Observatoire Océanologique de Banyuls-sur-Mer, CNRS, Banyuls-sur-Mer, France
| | - Jean-René Mailliez
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
| | - Dominique Ansquer
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
| | - Nazha Selmaoui-Folcher
- University of New Caledonia, Institut des Sciences Exactes et Appliquées (ISEA), Noumea, New Caledonia
| | - Dominique Pham
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
| | - Nelly Wabete
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
| | - Viviane Boulo
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Noumea, New Caledonia
- IHPE, Université de Montpellier, CNRS, Ifremer, Université de Perpignan via Domitia, Montpellier, France
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18
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Zheng X, Zhang P, Fu Z, Meng S, Dai L, Yang H. Applications of nanomaterials in tissue engineering. RSC Adv 2021; 11:19041-19058. [PMID: 35478636 PMCID: PMC9033557 DOI: 10.1039/d1ra01849c] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 05/13/2021] [Indexed: 12/19/2022] Open
Abstract
Recent advancement in nanotechnology has brought prominent benefits in tissue engineering, which has been used to repair or reconstruct damaged tissues or organs and design smart drug delivery systems. With numerous applications of nanomaterials in tissue engineering, it is vital to choose appropriate nanomaterials for different tissue engineering applications because of the tissue heterogeneity. Indeed, the use of nanomaterials in tissue engineering is directly determined by the choice. In this review, we mainly introduced the use of nanomaterials in tissue engineering. First, the basic characteristics, preparation and characterization methods of the types of nanomaterials are introduced briefly, followed by a detailed description of the application and research progress of nanomaterials in tissue engineering and drug delivery. Finally, the existing challenges and prospects for future applications of nanomaterials in tissue engineering are discussed. Scientific description about the types, synthesis, functionalization, characterization application, challenges and prospects of nanomaterials in tissue engineering.![]()
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Affiliation(s)
- Xinmin Zheng
- School of Life Sciences, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Pan Zhang
- School of Life Sciences, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Zhenxiang Fu
- Institute of Medical Research, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Siyu Meng
- Institute of Medical Research, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Liangliang Dai
- Institute of Medical Research, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University Xi'an 710072 P. R. China
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19
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Nyholm SV. In the beginning: egg-microbe interactions and consequences for animal hosts. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190593. [PMID: 32772674 PMCID: PMC7435154 DOI: 10.1098/rstb.2019.0593] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/08/2020] [Indexed: 12/19/2022] Open
Abstract
Microorganisms are associated with the eggs of many animals. For some hosts, the egg serves as the ideal environment for the vertical transmission of beneficial symbionts between generations, while some bacteria use the egg to parasitize their hosts. In a number of animal groups, egg microbiomes often perform other essential functions. The eggs of aquatic and some terrestrial animals are especially susceptible to fouling and disease since they are exposed to high densities of microorganisms. To overcome this challenge, some hosts form beneficial associations with microorganisms, directly incorporating microbes and/or microbial products on or in their eggs to inhibit pathogens and biofouling. Other functional roles for egg-associated microbiomes are hypothesized to involve oxygen and nutrient acquisition. Although some egg-associated microbiomes are correlated with increased host fitness and are essential for successful development, the mechanisms that lead to such outcomes are often not well understood. This review article will discuss different functions of egg microbiomes and how these associations have influenced the biology and evolution of animal hosts. This article is part of the theme issue 'The role of the microbiome in host evolution'.
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Affiliation(s)
- Spencer V. Nyholm
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT 06269USA
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20
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Zamora-Briseño JA, Cerqueda-García D, Hernández-Velázquez IM, Rivera-Bustamante R, Huchín-Mian JP, Briones-Fourzán P, Lozano-Álvarez E, Rodríguez-Canul R. Alterations in the gut-associated microbiota of juvenile Caribbean spiny lobsters Panulirus argus (Latreille, 1804) infected with PaV1. J Invertebr Pathol 2020; 176:107457. [PMID: 32882233 DOI: 10.1016/j.jip.2020.107457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 02/03/2020] [Accepted: 08/21/2020] [Indexed: 12/20/2022]
Abstract
The spiny lobster Panulirus argus (Latreille, 1804) is currently affected by an unenveloped, icosahedral, DNA virus termed Panulirus argus virus 1 (PaV1), a virulent and pathogenic virus that produces a long-lasting infection that alters the physiology and behaviour of heavily infected lobsters. Gut-associated microbiota is crucial for lobster homeostasis and well-being, but pathogens could change microbiota composition affecting its function. In PaV1 infection, the changes of gut-associated microbiota are yet to be elucidated. In the present study, we used high-throughput 16S rRNA sequencing technology to compare the bacterial microbiota in intestines of healthy and heavily PaV1-infected male and female juveniles of spiny lobsters P. argus captured in Puerto Morelos Reef lagoon, Quintana Roo, Mexico. We found that basal gut-associated microbiota composition showed a sex-dependent bias, with females being enriched in amplicon sequence variants (ASVs) assigned to Sphingomonas, while males were enriched in the genus Candidatus Hepatoplasma and Aliiroseovarius genera. Moreover, the alpha diversity of microbiota decreased in PaV1-infected lobsters. A significant increase of the genus Candidatus Bacilloplasma was observed in infected lobsters, as well as a significant decrease in Nesterenkonia, Caldalkalibacillus, Pseudomonas, Cetobacterium and Phyllobacterium. We also observed an alteration in the abundances of Vibrio species. Results from this study suggest that PaV1 infection impacts intestinal microbiota composition in Panulirus argus in a sex-dependent manner.
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Affiliation(s)
- Jesús Alejandro Zamora-Briseño
- Departamento de Recursos del Mar, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-unidad Mérida, Km. 6 Antigua Carretera a Progreso, CORDEMEX, Mérida, Yucatán CP. 97310, Mexico
| | - Daniel Cerqueda-García
- Departamento de Recursos del Mar, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-unidad Mérida, Km. 6 Antigua Carretera a Progreso, CORDEMEX, Mérida, Yucatán CP. 97310, Mexico
| | - Ioreni Margarita Hernández-Velázquez
- Departamento de Recursos del Mar, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-unidad Mérida, Km. 6 Antigua Carretera a Progreso, CORDEMEX, Mérida, Yucatán CP. 97310, Mexico
| | - Rafael Rivera-Bustamante
- Dirección, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-unidad Mérida, Km. 6 Antigua Carretera a Progreso, CORDEMEX, Mérida, Yucatán CP. 97310, Mexico
| | - Juan Pablo Huchín-Mian
- Departamento de Biología, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Noria Alta S/N, Guanajuato 36050, Mexico
| | - Patricia Briones-Fourzán
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica de Sistemas Arrecifales, Puerto Morelos, Quintana Roo 77580, Mexico
| | - Enrique Lozano-Álvarez
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica de Sistemas Arrecifales, Puerto Morelos, Quintana Roo 77580, Mexico
| | - Rossanna Rodríguez-Canul
- Departamento de Recursos del Mar, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-unidad Mérida, Km. 6 Antigua Carretera a Progreso, CORDEMEX, Mérida, Yucatán CP. 97310, Mexico.
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Whittington CM, Friesen CR. The evolution and physiology of male pregnancy in syngnathid fishes. Biol Rev Camb Philos Soc 2020; 95:1252-1272. [PMID: 32372478 DOI: 10.1111/brv.12607] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 04/09/2020] [Accepted: 04/09/2020] [Indexed: 12/24/2022]
Abstract
The seahorses, pipefishes and seadragons (Syngnathidae) are among the few vertebrates in which pregnant males incubate developing embryos. Syngnathids are popular in studies of sexual selection, sex-role reversal, and reproductive trade-offs, and are now emerging as valuable comparative models for the study of the biology and evolution of reproductive complexity. These fish offer the opportunity to examine the physiology, behavioural implications, and evolutionary origins of embryo incubation, independent of the female reproductive tract and female hormonal milieu. Such studies allow us to examine flexibility in regulatory systems, by determining whether the pathways underpinning female pregnancy are also co-opted in incubating males, or whether novel pathways have evolved in response to the common challenges imposed by incubating developing embryos and releasing live young. The Syngnathidae are also ideal for studies of the evolution of reproductive complexity, because they exhibit multiple parallel origins of complex reproductive phenotypes. Here we assay the taxonomic distribution of syngnathid parity mode, examine the selective pressures that may have led to the emergence of male pregnancy, describe the biology of syngnathid reproduction, and highlight pressing areas for future research. Experimental tests of a range of hypotheses, including many generated with genomic tools, are required to inform overarching theories about the fitness implications of pregnancy and the evolution of male pregnancy. Such information will be widely applicable to our understanding of fundamental reproductive and evolutionary processes in animals.
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Affiliation(s)
- Camilla M Whittington
- The University of Sydney, School of Life and Environmental Sciences, Sydney, New South Wales, 2006, Australia.,The University of Sydney, Sydney School of Veterinary Science, Sydney, New South Wales, 2006, Australia
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- The University of Wollongong, School of Earth, Atmospheric and Life Sciences, Faculty of Science, Medicine and Health, Wollongong, New South Wales, 2522, Australia.,Illawarra Health and Medical Research Institute (IHMRI), University of Wollongong, Wollongong, New South Wales, 2522, Australia
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