Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Pamoda B. Ratnaweera"'
Autor:
Kumudu K. Manathunga, Niranjan W. Gunasekara, Muditha K. Meegahakumbura, Pamoda B. Ratnaweera, Turki Kh. Faraj, Dhanushka N. Wanasinghe
Publikováno v:
Journal of Fungi, Vol 10, Iss 9, p 606 (2024)
The yield and quality of cultivated food crops are frequently compromised by the prevalent threat from fungal pathogens that can cause widespread damage in both the pre-harvest and post-harvest stages. This paper investigates the challenges posed by
Externí odkaz:
https://doaj.org/article/f717669b381e41cdaa0f0bd408a4b74e
Autor:
Ranga K. Dissanayake, Pamoda B. Ratnaweera, David E. Williams, C. Dilrukshi Wijayarathne, Ravi L. C. Wijesundera, Raymond J. Andersen, E. Dilip de Silva
Publikováno v:
Mycology, Vol 7, Iss 1, Pp 1-8 (2016)
Twenty distinct endophytic fungi were isolated from the surface-sterilized plant parts of Nymphaea nouchali and were identified using morphological and molecular techniques. At 300 µg/disc concentration, eight of the 20 fungal extracts exhibited ant
Externí odkaz:
https://doaj.org/article/5c8580a65b274cb88bce663d8210e87e
Autor:
Pamoda B. Ratnaweera, R. Chandula Walgama, Kinkini U. Jayasundera, Suseema D. Herath, S. Abira, David E. Williams, Raymond J. Andersen, E. Dilip de Silva
Publikováno v:
Bangladesh Journal of Pharmacology, Vol 13, Iss 3 (2018)
In a study designed to determine the antibacterial potential of endophytic fungi inhabiting plants of Cyperaceae family, 72 morphologically distinct endophytic fungi were isolated from six plants and their antibacterial activities against two Gram po
Externí odkaz:
https://doaj.org/article/50845a19cd0a4408902ea80175bdfadf
Autor:
Pamoda B. Ratnaweera, David E. Williams, E. Dilip de Silva, Raymond J. Andersen, D. P. Hasini Madhushika, J. M. Nisansala M. Jayasundara
Publikováno v:
International Journal of Tropical Insect Science. 42:845-854
Plutella xylostella is a destructive cabbage pest responsible for huge economic losses. Heavy and continuous application of synthetic pesticides to control this pest has resulted in numerous environmental issues. Thus, discovering alternative methods
Autor:
H H M Suseema D Herath, K M D W Prabath Nishantha, Sasini U Rajapaksha, Pamoda B. Ratnaweera, Raymond J. Andersen, E. Dilip de Silva, J. M. Nisansala M. Jayasundara, David E. Williams
Publikováno v:
Pest Management Science. 76:1541-1548
Background Larvae of the diamond back moth (DBM), Plutella xylostella, are destructive cabbage pests causing economic losses worldwide. Continuous application of synthetic pesticides to control this pest has resulted in environmental pollution and re
Publikováno v:
Journal of molecular graphicsmodelling. 102
Mycoleptodiscin B is a natural product extracted from the endophytic fungus Mycoleptodiscus sp. found in Sri Lanka and Panama with experimentally unexplored activities for human targets. In this study, a computational methodology was applied to deter
Autor:
E. Dilip de Silva, Ryan M. Centko, Raymond J. Andersen, Stephen G. Withers, Pamoda B. Ratnaweera, Christina Tysoe
Publikováno v:
Phytochemistry Letters. 22:76-80
Three new thiodiketopiperazine derivatives, rostratazine A (1) , rostratazine B (2) and rostratazine C (3) along with exserohilone (4) and boydine A (5) were isolated and identified from the laboratory culture of Setosphaeria rostrata , an endophytic
Autor:
E. Dilip de Silva, David E. Williams, Ranga K. Dissanayake, Ravi L. C. Wijesundera, C. Dilrukshi Wijayarathne, Raymond J. Andersen, Pamoda B. Ratnaweera
Publikováno v:
Mycology
Mycology, Vol 7, Iss 1, Pp 1-8 (2016)
Mycology, Vol 7, Iss 1, Pp 1-8 (2016)
Twenty distinct endophytic fungi were isolated from the surface-sterilized plant parts of Nymphaea nouchali and were identified using morphological and molecular techniques. At 300 µg/disc concentration, eight of the 20 fungal extracts exhibited ant
Autor:
Ravi L. C. Wijesundera, Pamoda B. Ratnaweera, Ranga K. Dissanayake, David E. Williams, E. Dilip de Silva, Raymond J. Andersen, C. Dilrukshi Wijayarathne
Publikováno v:
Journal of Applied Pharmaceutical Science. :001-006
Endophytic fungi are a promising source of novel biologically active compounds including antimicrobials. Plant endophytic fungi of Sri Lanka, an island with exceptionally high biodiversity and endemism, are a vastly untapped resource. Therefore this
Autor:
E. Dilip de Silva, Pamoda B. Ratnaweera, Rukshana Mohamad-Ramshan, Raymond J. Andersen, David E. Williams
Publikováno v:
The Journal of antibiotics. 72(4)
Culture feeding experiments with [1-13C]-acetate, [2-13C]- acetate, and [1,2-13C]-acetate have shown that the steroid ring B contraction involved in the biogenesis of the unprecedented carbon skeleton of the antibiotic solanioic acid (1) by the fungu