Keywords: Bryophytes, Antibacterial, Antiviral, Cucumber, Pathogenic bacteria, bryophytes for antimicrobial activity. Journal of. Medicinal Plants, 7, ). Antibacterial Activity of Extracts from Some Bryophytes. Vizma Nikolajeva1*, Ligita Liepina1, Zaiga Petrina1, Guntra Krumina1. The antimicrobial activity of aqueous and ethanolic extracts of 11 Bryophyta and Naturally Grown Bryophytes,” Journal of Medicinal Plant Research, Vol. 5, No.

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Journal of Ethnopharmacology Table 4 Known active compounds extracted with solvents: It is short lived and attaches to the gametophytes for all its nutritional needs.

All assays were carried out in triplicates. However, reports of ethnobotanical research into this plant group are minimal in North America 1. These values could then be compared to the standard reference antibiotics for the development of commercial drug products.

Table 3 Antibiotic activity in disc diffusion assays of bryophytes from South Western British Columbia.

One and half grams of the ground material were extracted in 25ml of methanol over 24 hours. Furthermore, re-testing bryophytes that performed differently from documented results could allow for greater understanding of the factors affecting activity.

Therefore, the whole organism was collected wherever possible. Tetrahedron 42 4Cowan M. The application ranged from topical applications, to prevent infection, to internal consumption, facilitating relief from nausea 5.

Marchantia polymorphia Frullania nisquallensis Lepidozia reptans Antimlcrobial bolanderi Conocephalum conicum Plagiochila porelloides Porella cordaeana Lunularia cruciata. Samples of all tested plants were collected by M. Giorn Bot Ital The outer membrane is responsible for protecting the bacteria from an array of different antibiotics, detergents, and enzymes that would normally damage the inner member or peptidoglycan cell wall Also, these compounds would be subjected to animal and human studies to determine their effectiveness on whole-organism systems, including toxicity and normal microbiota studies.


Table 1 Localities, habitats, and collection data of studied bryophytes. Any part of the plant may contain active components.

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Bryophytes represent the second largest group of green land plants after angiosperms, and are taxonomically placed between algae and pteridophytes 6. Furthermore, bryophytes utilize the sporangium for reproduction via sporulation but they neither flower nor produce seeds However, few studies have been concerned with an in-depth analysis of the antimicrobial activity and efficacy of phytochemicals in different species of bryophytes from South Western British Columbia Introduction T he occurrence of antibiotic substances in bryophytes has been well documented by botanists and microbiologists 1,2.

Streptomycin appeared most effective against E. I would like to gratefully acknowledge Dr. A failure to do so could result in an inability to retrieve valuable information, and incorrectly dismissing potentially beneficial species.

All the reference antibiotics showed dramatic activity against all the Gram-positive and Gram-negative bacteria. The average inhibition zone in ethanolic extracts ranged from 1. Mark Douglas Russell 1.

Bacterial sensitivities Gram-positive bacteria, B. Furthermore, I would like to thank the University of British Columbia for providing me with resources and facilities to conduct my experiments and research.

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They lack roots and attach to their environment with rhizoids Eating for Two – The common misconception in pregnancy. Lastly, the characteristic that distinguishes bryophytes from tracheophytes, vascular plants, is the persistent photosynthetic phase of the life cycle is haploid; gametophyte generation occurs rather than the diploid sporophyte generation All extracts were stored at room temperature.

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Gm -ve Escherichia coli. The amount of lost activity is dependent antimivrobial the compounds extracted and the length of drying time. A John Flynn Scholarship. This suggests that detectable antibacterial compounds are present in most taxa of liverworts This would provide evidence to support current results.

Antibacterial Activity of Extracts from Some Bryophytes

Table 4 lists some of the known compounds which have been extracted from methanolic and ethanolic extracts. It is apparent that a variety of studies are needed to explore the established data. According to the literature, all of these species should have shown some antibiotic activity against B. Biologically active compounds from bryophytes.

Gm —ve Klebsiella pneumoniae.