Characterisation of bacteria isolated from the stingless bee, , honey, bee bread and propolis.

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ID: 42665
2019
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Abstract
Bacteria are present in stingless bee nest products. However, detailed information on their characteristics is scarce. Thus, this study aims to investigate the characteristics of bacterial species isolated from Malaysian stingless bee, , nest products. Honey, bee bread and propolis were collected aseptically from four geographical localities of Malaysia. Total plate count (TPC), bacterial identification, phenotypic profile and enzymatic and antibacterial activities were studied. The results indicated that the number of TPC varies from one location to another. A total of 41 different bacterial isolates from the phyla Firmicutes, Proteobacteria and Actinobacteria were identified. species were the major bacteria found. Therein, was the most frequently isolated species followed by , , , , , , , , , , , , and . Phenotypic profile of 15 bacterial isolates using GEN III MicroPlate™ system revealed most of the isolates as capable to utilise carbohydrates as well as amino acids and carboxylic acids and derivatives. Proteolytic, lipolytic and cellulolytic activities as determined by enzymatic assays were detected in PD6, PD9, BD3 and BD9. PD9 showed broad-spectrum of antimicrobial activity against Gram-positive and Gram-negative bacteria in vitro. The multienzymes and antimicrobial activities exhibited by the bacterial isolates from nest products could provide potential sources of enzymes and antimicrobial compounds for biotechnological applications.
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ngalimat2019characterisationpeerj Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ngalimat, Mohamad Syazwan;Raja Abd Rahman, Raja Noor Zaliha;Yusof, Mohd Termizi;Syahir, Amir;Sabri, Suriana;
Journal PeerJ
Year 2019
DOI
10.7717/peerj.7478
URL
Keywords
Antimicrobial activity bacteria protease lipase cellulase biolog gen iii

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