Effects of Echinophora platyloba bacterial endophytes on Streptococcus agalactiae and Cryptococcus neoformans

Subject Areas : Food Hygiene

َA. Mirabbasi najaf abadi ¹ , S. Shahrokh shahraki ² , A. Mokhtari ³

1 - M.Sc Graduate of bacteriology, Department of Pathobiology, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
2 - Assistant Professor, Department of Pathobiology, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
3 - Associate Professor, Department of Pathobiology, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran

Received: 2022-03-03 Accepted : 2022-07-26 Published : 2022-01-21

Keywords: Medicinal Plants, Echinophora platyloba, Antibacterial Properties, Endophyte, Antifungal properties,

Abstract :

Endophytes are fungi, bacteria, or yeast symbionts that live in the intercellular spaces or vascular tissues of host plants. The Echinophora platyloba endophytes with production of seondray metabolites and compunend has antifungal and antibacterial properties and prolnages the shelf-time food. The present study was designed to isolate and evaluate the effects of Echinophora platyloba bacterial endophytes and their antifungal and antibacterial properties on Streptococcus agalactiae and Cryptococcus neoformans. Plant components were randomly collected from Chaharmahal and Bakhtiari province, Iran, and then cleaned and sterilized. Bacterial endophytes were isolated after culturing plant components in YEA and PA media and the antimicrobial properties of endophytes were investigated by studying structural factors (by chloroform) as well as endophyte metabolites. A total of 12 bacterial endophytes were isolated from different parts of leaves, stems and roots of Echinophora platyloba and showed favorable inhibitory effects on Streptococcus agalactiae and Cryptococcus neoformans. In general, secretory metabolites derived from bacterial endophytes showed stronger inhibitory effects than structural factors against these pathogens. The results of this study indicate the efficacy and potential of Echinophora platyloba bacterial endophytes in inhibiting human pathogens.

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