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Bawane P, Deshpande S, Yele S. Industrial and Pharmaceutical Applications of Microbial Diversity of Hypersaline Ecology from Lonar Soda Crater. Curr Pharm Biotechnol 2024; 25:1564-1584. [PMID: 38258768 DOI: 10.2174/0113892010265978231109085224] [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: 07/30/2023] [Revised: 09/16/2023] [Accepted: 10/04/2023] [Indexed: 01/24/2024]
Abstract
The unidentified geochemical and physiochemical characteristics of Soda Lakes across the globe make it a novel reservoir and bring attention to scientific civic for its conceivable industrial and pharmaceutical applications. In India, in the Maharashtra state, Lonar Lake is a naturally created Soda Lake by a meteorite impact. Phylogenetic data from this lake explored a diverse array of microorganisms like haloalkaliphilic bacteria and Archaea. Previously reported studies postulated the major microbial communities present in this lake ecosystem are Proteobacteria, Actinobacteria, Firmicutes, and Cyanobacteria. Furthermore, it also contains Bacteroidetes, Nitrospirae, and Verrucomicrobia. This lake is also rich in phytoplankton, with the predominant presence of the Spirulina plantensis. Unique microbial strains from Lonar Lake ecosystems have fascinated consideration as a source of biological molecules with medicinal, industrial, and biotechnological potential. Recent literature revealed the isolation of antibioticproducing bacteria and alkaline proteases-producing alkaliphilic bacterium, as well as novel species of rare methylotrophs, other bacterial strains involved in producing vital enzymes, and unique actinomycetes are also reported. It indicates that the novel bacterial assemblage not reached hitherto may exist in this modified and unique ecology. This comprehensive review provides information about microbial diversity and its industrial and pharmaceutical interests that exist in Lonar Lake, which could be the future source of bioactive enzymes, biosurfactants, and biofuel and also useful in bioremediation. Furthermore, the novel species of microorganisms isolated from Lonar Lake have applications in the biosynthesis of medicines like antibiotics, antivirals, antifungals, anti-inflammatory agents, and precursors for synthesising valuable products. Data consolidated in the present review will cater to the needs of emerging industrial sectors for their commercial and therapeutic applications.
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Affiliation(s)
- Pradip Bawane
- Department of Pharmacognosy, SVKM's NMIMS, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, Mumbai, 400056, India
- Department of Pharmacognosy, Shri Vile Parle Kelavani Mandal's Institute of Pharmacy, Dhule, Maharashtra, India
| | - Shirish Deshpande
- Department of Pharmaceutical Chemistry, SVKM's NMIMS, School of Pharmacy & Technology Management, Telangana Hyderabad, 509301, India
| | - Santosh Yele
- Department of Pharmacognosy, SVKM's NMIMS, School of Pharmacy & Technology Management, Telangana Hyderabad, 509301, India
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Rodriguez-Frias F, Rando-Segura A, Quer J. Solved the enigma of pediatric severe acute hepatitis of unknown origin? Front Cell Infect Microbiol 2023; 13:1175996. [PMID: 37808908 PMCID: PMC10552268 DOI: 10.3389/fcimb.2023.1175996] [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: 02/28/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Hepatitis is an inflammation of the liver whose etiology is very heterogeneous. The most common cause of hepatitis is viral infections from hepatotropic viruses, including hepatitis A, B, C, D and E. However, other factors such as infections from other agents, metabolic disorders, or autoimmune reactions can also contribute to hepatitis, albeit to a lesser extent. On April 5, 2022, the United Kingdom Health Security Agency alerted the World Health Organization (WHO) on the increased incidence of severe acute hepatitis of unknown causes (not A-E) in previously healthy young children, with symptoms of liver failure that in some cases required liver transplantation. By July 2022, 1,296 cases were reported in 37 countries. Acute hepatitis of unknown causes is not an exceptional phenomenon: in fact, it represents more than 30% of cases of acute hepatitis in children, however in the present instance the large proportion of severe cases was surprising and alarming (6% of liver transplants and almost 3% mortality). Multiple hypotheses have been proposed to explain the etiology of such higher proportion of acute hepatitis, including their co-occurrence in the context of COVID-19 pandemic. This is a review of the history of a clinical threat that has put in check a world health care system highly sensitized by the current COVID-19 pandemics, and that it looks like has ended with the arguments that the severe acute pediatric hepatitis is caused by Adeno-associated virus 2 (AAV2) infection associated with a coinfection with a helper virus (human Adenovirus HAdV or human herpesvirus 6) in susceptible children carrying HLA-class II antigen HLA-DRB1*04:01.
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Affiliation(s)
- Francisco Rodriguez-Frias
- Clinical Biochemistry Department Vall d’Hebron Institut of Research (VHIR), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Basic Science Department, International University of Catalonia, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Ariadna Rando-Segura
- Clinical Biochemistry Department Vall d’Hebron Institut of Research (VHIR), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Josep Quer
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Liver Diseases-Viral Hepatitis, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Biochemistry and Molecular Biology Department, Autonomous University of Barcelona (UAB), Barcelona, Spain
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Brüssow H. Pandemic potential of poxviruses: From an ancient killer causing smallpox to the surge of monkeypox. Microb Biotechnol 2023; 16:1723-1735. [PMID: 37335284 PMCID: PMC10443337 DOI: 10.1111/1751-7915.14294] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 06/04/2023] [Indexed: 06/21/2023] Open
Abstract
Smallpox caused by the variola virus (VARV) was one of the greatest infectious killers of mankind. Historical records trace back smallpox for at least a millennium while phylogenetic analysis dated the ancestor of VARV circulating in the 20th century into the 19th century. The discrepancy was solved by the detection of distinct VARV sequences first in 17th-century mummies and then in human skeletons dated to the 7th century. The historical records noted marked variability in VARV virulence which scientists tentatively associated with gene losses occurring when broad-host poxviruses narrow their host range to a single host. VARV split from camel and gerbil poxviruses and had no animal reservoir, a prerequisite for its eradication led by WHO. The search for residual pockets of VARV led to the discovery of the monkeypox virus (MPXV); followed by the detection of endemic smallpox-like monkeypox (mpox) disease in Africa. Mpox is caused by less virulent clade 2 MPXV in West Africa and more virulent clade 1 MPXV in Central Africa. Exported clade 2 mpox cases associated with the pet animal trade were observed in 2003 in the USA. In 2022 a world-wide mpox epidemic infecting more than 80,000 people was noted, peaking in August 2022 although waning rapidly. The cases displayed particular epidemiological characteristics affecting nearly exclusively young men having sex with men (MSM). In contrast, mpox in Africa mostly affects children by non-sexual transmission routes possibly from uncharacterized animal reservoirs. While African children show a classical smallpox picture, MSM mpox cases show few mostly anogenital lesions, low-hospitalization rates and 140 fatal cases worldwide. MPXV strains from North America and Europe are closely related, derived from clade 2 African MPXV. Distinct transmission mechanisms are more likely causes for the epidemiological and clinical differences between endemic African cases and the 2022 epidemic cases than viral traits.
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Affiliation(s)
- Harald Brüssow
- Laboratory of Gene Technology, Department of BiosystemsKU LeuvenLeuvenBelgium
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Katak RDM, Cintra AM, Burini BC, Marinotti O, Souza-Neto JA, Rocha EM. Biotechnological Potential of Microorganisms for Mosquito Population Control and Reduction in Vector Competence. INSECTS 2023; 14:718. [PMID: 37754686 PMCID: PMC10532289 DOI: 10.3390/insects14090718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/11/2023] [Accepted: 08/19/2023] [Indexed: 09/28/2023]
Abstract
Mosquitoes transmit pathogens that cause human diseases such as malaria, dengue fever, chikungunya, yellow fever, Zika fever, and filariasis. Biotechnological approaches using microorganisms have a significant potential to control mosquito populations and reduce their vector competence, making them alternatives to synthetic insecticides. Ongoing research has identified many microorganisms that can be used effectively to control mosquito populations and disease transmission. However, the successful implementation of these newly proposed approaches requires a thorough understanding of the multipronged microorganism-mosquito-pathogen-environment interactions. Although much has been achieved in discovering new entomopathogenic microorganisms, antipathogen compounds, and their mechanisms of action, only a few have been turned into viable products for mosquito control. There is a discrepancy between the number of microorganisms with the potential for the development of new insecticides and/or antipathogen products and the actual available products, highlighting the need for investments in the intersection of basic research and biotechnology.
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Affiliation(s)
- Ricardo de Melo Katak
- Malaria and Dengue Laboratory, Instituto Nacional de Pesquisas da Amazônia-INPA, Manaus 69060-001, AM, Brazil;
| | - Amanda Montezano Cintra
- Multiuser Central Laboratory, Department of Bioprocesses and Biotechnology, School of Agricultural Sciences, São Paulo State University (UNESP), Botucatu 18610-034, SP, Brazil; (A.M.C.); (J.A.S.-N.)
| | - Bianca Correa Burini
- Florida Medical Entomology Laboratory, University of Florida, Vero Beach, FL 32962, USA;
| | - Osvaldo Marinotti
- Department of Biology, Indiana University, Bloomington, IN 47405, USA;
| | - Jayme A. Souza-Neto
- Multiuser Central Laboratory, Department of Bioprocesses and Biotechnology, School of Agricultural Sciences, São Paulo State University (UNESP), Botucatu 18610-034, SP, Brazil; (A.M.C.); (J.A.S.-N.)
| | - Elerson Matos Rocha
- Multiuser Central Laboratory, Department of Bioprocesses and Biotechnology, School of Agricultural Sciences, São Paulo State University (UNESP), Botucatu 18610-034, SP, Brazil; (A.M.C.); (J.A.S.-N.)
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van der Kuyl AC. Historic and Prehistoric Epidemics: An Overview of Sources Available for the Study of Ancient Pathogens. EPIDEMIOLOGIA (BASEL, SWITZERLAND) 2022; 3:443-464. [PMID: 36547255 PMCID: PMC9778136 DOI: 10.3390/epidemiologia3040034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 12/24/2022]
Abstract
Since life on earth developed, parasitic microbes have thrived. Increases in host numbers, or the conquest of a new species, provide an opportunity for such a pathogen to enjoy, before host defense systems kick in, a similar upsurge in reproduction. Outbreaks, caused by "endemic" pathogens, and epidemics, caused by "novel" pathogens, have thus been creating chaos and destruction since prehistorical times. To study such (pre)historic epidemics, recent advances in the ancient DNA field, applied to both archeological and historical remains, have helped tremendously to elucidate the evolutionary trajectory of pathogens. These studies have offered new and unexpected insights into the evolution of, for instance, smallpox virus, hepatitis B virus, and the plague-causing bacterium Yersinia pestis. Furthermore, burial patterns and historical publications can help in tracking down ancient pathogens. Another source of information is our genome, where selective sweeps in immune-related genes relate to past pathogen attacks, while multiple viruses have left their genomes behind for us to study. This review will discuss the sources available to investigate (pre)historic diseases, as molecular knowledge of historic and prehistoric pathogens may help us understand the past and the present, and prepare us for future epidemics.
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Affiliation(s)
- Antoinette C. van der Kuyl
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; ; Tel.: +31-205-666-778
- Amsterdam Institute for Infection and Immunity, 1100 DD Amsterdam, The Netherlands
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