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Ben-Miled H, Semmar N, Castellanos MS, Ben-Mahrez K, Benoit-Biancamano MO, Réjiba S. Effect of honey bee forage plants in Tunisia on diversity and antibacterial potential of lactic acid bacteria and bifidobacteria from Apis mellifera intermissa and its products. Arch Microbiol 2023; 205:295. [PMID: 37480514 DOI: 10.1007/s00203-023-03630-9] [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: 03/27/2023] [Revised: 07/01/2023] [Accepted: 07/10/2023] [Indexed: 07/24/2023]
Abstract
Lactic acid bacteria and bifidobacteria (LAB and Bifido), isolated from the gastrointestinal tract of Apis mellifera intermissa (BGIT), honey (H), propolis (P) and bee bread (BB) of hives set in different vegetations (wildflowers, caraway, orange blossom, Marrubium vulgare, Eucalyptus and Erica cinerea), were subjected to analysis of their antibacterial potential. Isolates able to inhibit Staphylococcus aureus were selected and identified with MALDI-TOF MS leading to 154 strains representing 12 LAB and Bifido species. Lactiplantibacillus plantarum, Pediococcus pentosaceus and Enterococcus faecalis were predominantly found in all matrices. BGIT showed the highest LAB and Bifido diversity with exclusive occurrences of five species (including Bifidobacterium asteroides and Limosilactobacillus fermentum). Honey was the second origin harboring an important variety of LAB species of which Apilactobacillus kunkeei and Enterococcus mundtii were characteristic of both H and BGIT. Principal components analysis revealed associations between antibacterial activities of LAB and Bifido, matrices and honey bee forage plants. Inhibition trends of S. aureus and Citrobacter freundii were highlighted with: L. plantarum from BGIT, P, H of bees feeding on E. cinerea; Pediococcus pentosaceus from BGIT, P, BB associated with E. cinerea; and Bifidobacterium asteroides from BGIT/orange blossom system. However, Enterococcus faecium associated with BGIT/Eucalyptus system antagonized Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii. Our findings highlighted noteworthy effects of bee forage plants on the antibacterial activity of LAB and Bifido. Our approach could be useful to identify multiple conditions promoting antibacterial potency of LAB and Bifido under the combined effects of feeding plants and living matrices.
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Affiliation(s)
- Houda Ben-Miled
- Biochemistry and Biotechnology Laboratory LR01ES05, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092, Tunis, Tunisia
| | - Nabil Semmar
- Laboratory of Bioinformatics, Biomathematics and Biostatistics (BIMS), Pasteur Institute of Tunis, University of Tunis El Manar, 2092, Tunis, Tunisia
| | - Miguel Sautié Castellanos
- Plateforme IA-Agrosanté, Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada
| | - Kamel Ben-Mahrez
- Biochemistry and Biotechnology Laboratory LR01ES05, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092, Tunis, Tunisia
| | - Marie-Odile Benoit-Biancamano
- Groupe de Recherche sur les Maladies Infectieuses en Production Animale (GREMIP), Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada
| | - Samia Réjiba
- Biochemistry and Biotechnology Laboratory LR01ES05, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092, Tunis, Tunisia.
- Higher Institute of Biotechnology, Biotechpole of Sidi Thabet, Sidi Thabet, BP-66, 2020, Ariana, Tunis, Tunisia.
- University of Manouba, 2010, Manouba, Tunis, Tunisia.
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First report on isolation of Mucor bainieri from honeybees, Apis mellifera: Characterization and biological activities. BIOTECHNOLOGY REPORTS 2022; 36:e00770. [PMID: 36338578 PMCID: PMC9634281 DOI: 10.1016/j.btre.2022.e00770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/16/2022] [Accepted: 10/16/2022] [Indexed: 11/06/2022]
Abstract
The schematic mechanism for R1234yf combustion were revealed in unimolecular lysis reactions, colliding reactions with oxygen molecules, collision reaction with active radicals (H and OH radicals). The new chemical reaction equations for the combustion of R1234yf were proposed. This paper provided an effective method to establish the combustion mechanism of flammable hydrofluoroolefins.
Fungi are potential biocontrol agents and rich sources of secondary metabolites with demonstrated biological activities. This study aimed to isolate and identify fungi from surface-sterilized honeybees (Apis mellifera), as well as to evaluate their biological activities. One fungal isolate was obtained and identified morphologically and genetically as Mucor bainieri MK-Bee-2. Gas chromatography-mass spectroscopy (GC–MS) analysis of fungus crude extract, showed the existence of six major metabolites representing 92.48% of the total peak area. The crude extract of Mucor bainieri MK-Bee-2 was tested for antimicrobial, antioxidant, and antitumor activities. It demonstrated wide antimicrobial activities against human pathogenic Gram-positive and Gram-negative bacterial strains, as well as Candida albicans, with MIC values ranged from 62.5 to 250 µg/ml. The results revealed that the extract exhibited considerable antioxidant activities indicated by strong inhibition of both DPPH and ABTS free radicals. Additionally, the extract exhibited greater potential anticancer activity against both adenocarcinomic human non-small cell lung cancer cells (A549) [IC50 = 6.45 μg/ml], and immortal cell line hepatoma G2 (HepG2) human liver cancer cells [IC50 = 27.48 μg/ml] and higher selectivity in cancer cells than normal cell lines. Furthermore, the extract showed less cytotoxic activity against normal cells with higher IC50 values of 106.99 and 132.57 μg/ml against human lung fibroblast Wistar-38 (Wi-38) and oral epithelial cells (OEC), respectively. Taken together, the Mucor bainieri MK-Bee-2 extract comprises bioactive compounds as promising potential therapeutic candidates for the treatment of lung cancer. Strikingly, the extract sensitizes the lung cancer cells A549 to the ionizing radiation through the pro-apoptotic pathway as indicated by the annexin V flow cytometry analysis which showed that the extract reduced the apoptosis of lung cancer cells.
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Living in honey: bacterial and fungal communities in honey of sympatric populations of Apis mellifera and the stingless bee Melipona beecheii, in Yucatan, Mexico. Arch Microbiol 2022; 204:718. [DOI: 10.1007/s00203-022-03319-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 11/21/2022]
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Shehata MG, Abd El-Aziz NM, Darwish AG, El-Sohaimy SA. Lacticaseibacillus paracasei KC39 Immobilized on Prebiotic Wheat Bran to Manufacture Functional Soft White Cheese. FERMENTATION-BASEL 2022; 8:496. [DOI: 10.3390/fermentation8100496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
In the current study, probiotic Lacticaseibacillus paracasei KC39 was immobilized on wheat bran as a carrier. The immobilized synbiotic biocatalyst was freeze-dried and used as an adjunct during the production of functional soft white cheese. Free freeze-dried Lc. paracasei cells as an adjunct and a control cheese with a commercial starter were used for comparison. In addition to a fiber content of 1.12%, the functional cheese made using the synbiotic biocatalyst showed higher cell viabilities in the gastric and intestinal phases as well as an enhanced microstructure and favorable sensory characteristics. The presented immobilization method could be applied to the production of soft cheese and other functional food products for the stabilized delivery of both probiotics and dietary fibers.
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Lv M, Wang S, Yin H, Dong K, Liu Y, Pan H, Lin Q, Cao Z. Probiotic Potential and Effects on Gut Microbiota Composition and Immunity of Indigenous Gut Lactobacilli in Apis cerana. Probiotics Antimicrob Proteins 2022; 14:252-262. [PMID: 35325390 DOI: 10.1007/s12602-022-09935-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2022] [Indexed: 10/18/2022]
Abstract
This study aimed to investigate the probiotic potential of gut indigenous lactic acid bacteria (LAB) originated from Apis cerana. Six Limosilactobacillus reuteri and one Lactobacillus helveticus were isolated from gut samples of A. cerana adult worker bee. All isolates antagonized the growth of pathogens including Salmonella typhimurium, Escherichia coli, Shigella flexneri, and Flavobacterium frigidimaris, and L. helveticus KM7 showed the greatest antimicrobial activity among them. All strains were sensitive to cefotaxime, amoxicillin, cephalothin, penicillin G, kanamycin, and vancomycin, moderately sensitive to novobiocin and resistant to gentamicin. Six out of seven strains were sensitive to ampicillin. L. helveticus KM7 was chosen to evaluate in vivo probiotic effect of adult worker bees of A. cerana through fed sucrose syrup supplemented with KM7. Administration of KM7 increased survival rate and gut LAB but decreased gut fungi and Enterococcus in honeybees. Expressions of genes related to antimicrobial peptides (AMPs) including Abaecin and Defensin were also induced in the gut of honeybees. The results suggested that L. helveticus KM7 with greater probiotic properties could improve the survival rate of adult worker honeybees of A. cerana through regulating gut microbiota and AMPs genes expression.
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Affiliation(s)
- Mingkui Lv
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Sifan Wang
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Huajuan Yin
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Kun Dong
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Yiqiu Liu
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Hongbin Pan
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Qiuye Lin
- College of Food Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China
| | - Zhenhui Cao
- Faculty of Animal Science and Technology, Yunnan Agricultural University, Heilongtan, North Suburb, 650201, People's Republic of China. .,Yunnan Provincial Key Laboratory of Animal Nutrition and Feed Science, Heilongtan, North Suburb, 650201, People's Republic of China.
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Masry SHD, Taha TH, Botros WA, Mahfouz H, Al-Kahtani SN, Ansari MJ, Hafez EE. Antimicrobial activity of camphor tree silver nano-particles against foulbrood diseases and finding out new strain of Serratia marcescens via DGGE-PCR, as a secondary infection on honeybee larvae. Saudi J Biol Sci 2021; 28:2067-2075. [PMID: 33911922 PMCID: PMC8071921 DOI: 10.1016/j.sjbs.2021.02.038] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 01/30/2021] [Accepted: 02/08/2021] [Indexed: 11/30/2022] Open
Abstract
American foulbrood (AFB) and European foulbrood (EFB) are the two major bacterial diseases affecting honeybees, leading to a decrease in viability of the hive, decreasing honey production, and resulting in significant economic losses to beekeepers. Due to the inefficiency and/or low efficacy of some antibiotics, researches with nanotechnology represent, possibly, new therapeutic strategies. Nanostructure drugs have presented some advantagesover the conventional medicines, such as slow, gradual and controlled release, increased bioavailability, and reduced side-effects. In this study, different infected larvae were collected from two apiaries; the combs that had symptoms of American and European foulbrood were isolated. In vitro antimicrobial activity of camphor tree silver nano-particles against foulbrood diseases were characterized using UV-Vis spectrophotometry and scanning electron microscope (SEM) that proves the formation of silver nanoparticles with size range 160-660 nm. The antimicrobial activity of the silver nanoparticles was tested using agar diffusion assay and proved their ability to effectively cease the pathogenic bacterial growth in both AFB and EFB. DGGE-PCR technique has been applied for the identification of un-common bacterial infections honeybees depending on 16S rRNA amplification from their total extracted DNA and has been identified as Serratia marcescens (TES), deposited in GenBank with a new accession number (MT240613). The results were confirmed strain has been detected by DGGE-PCR analysis causing uniquely infected brood that was attacked by the American Foulbrood It could be concluded that greenly synthesized silver nanoparticles is projected to be used as effective treatment for honeybee bacterial diseases. These material need more investigations under field conditions and study the possibility of its residues in honeybee products such as honey, and beeswax.
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Affiliation(s)
- Saad Hamdy Daif Masry
- Department of Plant Protection and Molecular Diagnosis, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, Alexandria (SRTA-City), New Borg El-Arab City, P.O. Box: 21934, Alexandria, Egypt
- Abu Dhabi Agriculture and Food Safety Authority, Al Ain, United Arab Emirates
| | - Tarek Hosny Taha
- Environmental Biotechnology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, P.O. Box: 21934, Alexandria, Egypt
| | - William A. Botros
- Nucleic Acids Research Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, P.O. Box: 21934, Alexandria, Egypt
| | - Hatem Mahfouz
- Department of Plant Production, Faculty of Environment Agricultural Science, Arish University, Egypt
| | - Saad Naser Al-Kahtani
- Arid Land Agriculture Department, College of Agricultural Sciences & Foods, King Faisal University, P.O. Box 400, Al-Ahsa 31982, Saudi Arabia
| | - Mohammad Javed Ansari
- Department of Botany, Hindu College Moradabad (Mahatma Jyotiba Phule Rohilkhand University Bareilly), India
| | - Elsayed Elsayed Hafez
- Department of Plant Protection and Molecular Diagnosis, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, Alexandria (SRTA-City), New Borg El-Arab City, P.O. Box: 21934, Alexandria, Egypt
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