Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Simeon F, Kouam"'
Autor:
Bel Youssouf G. Mountessou, Élodie Gisèle M. Anoumedem, Blondelle M. Kemkuignou, Yasmina Marin-Felix, Frank Surup, Marc Stadler, Simeon F. Kouam
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 1555-1561 (2023)
From a fresh root of Trema guineensis (Ulmaceae), endophytic fungi were isolated, among which a taxon belonging to the new species Diaporthe cameroonensis. This strain was fermented in shake flask batch cultures and the broth was extracted with ethyl
Externí odkaz:
https://doaj.org/article/1b72eea950234b2ea77521e3d851fd91
Autor:
Christopher Lambert, Lena Schweizer, Blondelle Matio Kemkuignou, Elodie Gisèle M. Anoumedem, Simeon F. Kouam, Yasmina Marin-Felix
Publikováno v:
MycoKeys, Vol 99, Iss , Pp 319-362 (2023)
The genus Diaporthe (Diaporthaceae, Diaporthales) is a large group of fungi frequently reported as phytopathogens, with ubiquitous distribution across the globe. Diaporthe have traditionally been characterized by the morphology of their ana- and tele
Externí odkaz:
https://doaj.org/article/bc69f3e58f62486eb750c48f11d136bb
New polyketides from the liquid culture of Diaporthe breyniae sp. nov. (Diaporthales, Diaporthaceae)
Autor:
Blondelle Matio Kemkuignou, Lena Schweizer, Christopher Lambert, Elodie Gisèle M. Anoumedem, Simeon F. Kouam, Marc Stadler, Yasmina Marin-Felix
Publikováno v:
MycoKeys, Vol 90, Iss , Pp 85-118 (2022)
During the course of a study on the biodiversity of endophytes from Cameroon, a fungal strain was isolated. A multigene phylogenetic inference using five DNA loci revealed that this strain represents an undescribed species of Diaporthe, which is intr
Externí odkaz:
https://doaj.org/article/5ec66fa03f254f95985a7f394e618d1d
Autor:
Bel Youssouf G. Mountessou, Joseph Tchamgoue, Iliassou L. Mouafon, Ivan R. Green, Muhammad I. Choudhary, Simeon F. Kouam
Publikováno v:
South African Journal of Botany. 153:321-335
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d105953a6a76fa5db00438883d1c05a
https://doi.org/10.1016/j.sajb.2023.01.012
https://doi.org/10.1016/j.sajb.2023.01.012
Autor:
Elodie Gisèle M. Anoumedem, Bel Youssouf G. Mountessou, Simeon F. Kouam, Abolfazl Narmani, Frank Surup
Publikováno v:
Antibiotics, Vol 9, Iss 11, p 753 (2020)
Two new tetracyclic polyketides with a spirocenter, simplicilones A (1) and B (2) were isolated from the broth-culture of the endophytic fungus Simplicilliumsubtropicum (SPC3) in the course of our screening for new bioactive secondary metabolites. Th
Externí odkaz:
https://doaj.org/article/44c32df281c244dd90dbc7db1fbcd196
Autor:
Joseph Tchamgoue, Amelework N. Eyado, Boniface P. Kamdem Kamdem, Yvan Anderson T. Ngandjui Ngandjui, Jean Claude Tchouankeu, Simeon F. Kouam, Yalemtsehay Mekonnen
Publikováno v:
Natural Resources for Human Health. 2:313-321
Malaria is regarded as one of the most lethal diseases. Resistance to artemisinin and its derivatives jeopardises effective malaria treatment. Finding novel antimalarial chemicals is critical given the existing treatment situation. This work aimed to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::254de4fcff44775cdd395e25f9219dea
https://doi.org/10.53365/nrfhh/145411
https://doi.org/10.53365/nrfhh/145411
Autor:
Hidayat Hussain, Ahmed Al-Harrasi, Karsten Krohn, Simeon F. Kouam, Ghulam Abbas, Afzal Shah, Muhammad Adil Raees, Riaz Ullah, Shahid Aziz, Barbara Schulz
Publikováno v:
Journal of King Saud University: Science, Vol 27, Iss 4, Pp 375-378 (2015)
Different fractions of root and stem of Derris scandens demonstrated good antibacterial (Escherichia coli, and Bacillus megaterium), antialgal (Chlorella fusca), and antifungal (Microbotryum violaceum) activities. Phytochemical investigation resulted
Externí odkaz:
https://doaj.org/article/4bd2794341eb49f18d5ceb96d170b233
Autor:
Jean Claude Tchouankeu, Jean-Bosco Jouda, Bruno Ndjakou Lenta, Billy Tchegnitegni Toussie, Alexis Sylvain W. Mbobda, Norbert Sewald, Simeon F. Kouam, Alain Wembe Ngouonpe, Gervais Mouthé Happi, Bel Youssouf G. Mountessou, Elvis Monya
Publikováno v:
Planta Medica International Open. 8:e56-e61
A new flavone derivative named pachypodostyflavone (1), along with 8 known compounds (2–9) and a mixture of β-sitosterol and stigmasterol were isolated from the stem bark of Duguetia staudtii (Annonaceae), based on a bioassay-guided fractionation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cd091eac2080515592fd9a35596facb
https://doi.org/10.1055/a-1492-3585
https://doi.org/10.1055/a-1492-3585
Autor:
Bel Youssouf G. Mountessou, Alexis Sylvain W. Mbobda, Hans-Georg Stammler, Eric O. Akintemi, Maraf B. Mbah, Gervais M. Happi, Simeon F. Kouam, Bruno N. Lenta, Norbert Sewald, Thishana Singh, Ibrahim N. Mbouombouo
Publikováno v:
Journal of Molecular Structure. 1282:135185
Costunolide, a naturally occurring sesquiterpene lactone, was investigated experimentally and theoret-ically to determine the structural, electronic, spectroscopic, and chemical reactivity properties. As de-duced from a single crystal X-ray diffracti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62a7ce8ded279a5a4e8474e84ea2b31b
https://doi.org/10.1016/j.molstruc.2023.135185
https://doi.org/10.1016/j.molstruc.2023.135185
Autor:
Laurice Bracine Njanang Chenda, Ivan R. Green, Patrice T. Kenfack, Gesquiere Laure M. Tiani, Steven Collins Njonte Wouamba, Yvan Anderson Tchangoue Ngandjui, Joseph Tchamgoue, Simeon F. Kouam, Mireille F. Kemgni
Publikováno v:
ChemistrySelect. 6:1705-1709
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9715d42f286e2c5ec752d060092ad092
https://doi.org/10.1002/slct.202004487
https://doi.org/10.1002/slct.202004487