Results 61 to 70 of about 3,824 (213)

Positive Regulation of Spoilage Potential and Biofilm Formation in Shewanella baltica OS155 via Quorum Sensing System Composed of DKP and Orphan LuxRs

Frontiers in Microbiology, 2019
The spoilage potential and biofilm formation of Shewanella baltica are reported to be regulated by Quorum sensing (QS) system from the phenotype point of view, but the specific mechanism is not fully understood.
Yanbo Wang, Yanbo Wang, Feifei Wang, Chong Wang, Xiuting Li, Linglin Fu, Linglin Fu   +6 more
doaj   +1 more source

Colombiains A–C, Three New Alkaloids From the Soft Coral‐Derived Fungus Cladosporium colombiae CSGL 10M10

Chemistry &Biodiversity, Volume 23, Issue 10, October 2026.
Three new alkaloids, colombiains A–C (1–3), together with eight known ones (4–11) were isolated from the soft coral‐derived fungus Cladosporium colombiae CSGL 10M10. Compounds 6 and 11 exhibited significant cardioprotective activity against OGD/R‐induced injury in H9c2 cardiomyocytes at 10 µM.
Jing Xie, Bing‐Bing Liu, Yang‐Ying Zheng, Jun‐Feng Huan, Xiao‐Yu Tian, Xiu‐Ping Lin, Hui‐Mei Xie, Yuan‐Yuan Cheng, Cui‐Xian Zhang   +8 more
wiley   +1 more source

Antifungal Metabolites from Marine-Derived Streptomyces sp. AMA49 against Pyricularia oryzae

Journal of Pure and Applied Microbiology, 2019
Marine-derived actinobacteria are considered as potential sources of bioactive metabolites including antifungal substances. Fifteen out of 155 marine-derived actinobacteria exhibited strong antifungal activity against the rice blast fungus Pyricularia ...
Jirayu Buatong, Vatcharin Rukachaisirikul, Suthinee Sangkanu, Frank Surup, Souwalak Phongpaichit   +4 more
doaj   +1 more source

Annulated Diketopiperazines from Dipeptides or Schöllkopf Reagents via Tandem Cyclization−Intramolecular N-Arylation

, 2016
Facile CuI-mediated N-arylation of diketopiperazine using the Fukuyama modification of the Ullmann−Goldberg reaction can be exploited in new approaches to enantiopure polycyclic diketopiperazines from easily assembled dipeptides or functionalized Scho ...
T. V. RajanBabu (1266687), Hwan Jung Lim (2037718), Judith C. Gallucci (1324668)   +2 more
core   +2 more sources

In vivo characterization of the activities of novel cyclodipeptide oxidases: new tools for increasing chemical diversity of bioproduced 2,5-diketopiperazines in Escherichia coli

Microbial Cell Factories, 2020
Background Cyclodipeptide oxidases (CDOs) are enzymes involved in the biosynthesis of 2,5-diketopiperazines, a class of naturally occurring compounds with a large range of pharmaceutical activities. CDOs belong to cyclodipeptide synthase (CDPS)-dependent
Fabien Le Chevalier, Isabelle Correia, Lucrèce Matheron, Morgan Babin, Mireille Moutiez, Nicolas Canu, Muriel Gondry, Olivier Lequin, Pascal Belin   +8 more
doaj   +1 more source

Peer review of the pesticide risk assessment of the active substance Trichoderma afroharzianum (formerly harzianum) T‐22

EFSA Journal, Volume 24, Issue 10, October 2026.
Abstract The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authorities of the rapporteur Member State, Sweden, and co‐rapporteur Member State, Netherlands, for the pesticide active substance Trichoderma afroharzianum (formerly harzianum) T‐22 are reported.
European Food Safety Authority (EFSA), Fernando Álvarez, Maria Arena, Domenica Auteri, Sofia Batista Leite, Marco Binaglia, Anna Federica Castoldi, Arianna Chiusolo, Angelo Colagiorgi, Mathilde Colas, Federica Crivellente, Chloe De Lentdecker, Isabella De Magistris, Gabriella Fait, Franco Ferilli, German Giner Santonja, Varvara Gouliarmou, Alessio Ippolito, Frederique Istace, Dimitra Kardassi, Aude Kienzler, Anna Lanzoni, Roberto Lava, Renata Leuschner, Alberto Linguadoca, Mariano Lopez Romano, Jochem Louisse, Christopher Lythgo, Oriol Magrans, Iris Mangas, Silvia Mazzega, Andrea Mioč, Ileana Miron, Tunde Molnar, Laura Padovani, Vincenzo Padricello, Martina Panzarea, Juan Manuel Parra Morte, Simone Rizzuto, Miguel Santos, Rositsa Serafimova, Rachel Sharp, Csaba Szentes, Anne Theobald, Manuela Tiramani, Giorgia Vianello, Laura Villamar‐Bouza, Adriana Scattareggia Marchese   +47 more
wiley   +1 more source

Peer review of the pesticide risk assessment of the active substance Trichoderma atroviride T11

EFSA Journal, Volume 24, Issue 10, October 2026.
Abstract The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authorities of the rapporteur Member State, Sweden, and co‐rapporteur Member State, Italy, for the pesticide active substance Trichoderma atroviride T11 are reported. The context of the peer review
European Food Safety Authority (EFSA), Fernando Álvarez, Maria Arena, Domenica Auteri, Sofia Batista Leite, Marco Binaglia, Anna Federica Castoldi, Teresa Chavez Capilla, Arianna Chiusolo, Angelo Colagiorgi, Mathilde Colas, Federica Crivellente, Chloe De Lentdecker, Isabella De Magistris, Julia Fabrega, Gabriella Fait, Franco Ferilli, German Giner Santonja, Varvara Gouliarmou, Alessio Ippolito, Frederique Istace, Dimitra Kardassi, Aude Kienzler, Anna Lanzoni, Roberto Lava, Renata Leuschner, Alberto Linguadoca, Mariano Lopez Romano, Jochem Louisse, Christopher Lythgo, Iris Mangas, Silvia Mazzega, Andrea Mioč, Ileana Miron, Tunde Molnar, Laura Padovani, Vincenzo Padricello, Martina Panzarea, Juan Manuel Parra Morte, Simone Rizzuto, Miguel Santos, Rositsa Serafimova, Rachel Sharp, Csaba Szentes, Anne Theobald, Manuela Tiramani, Giorgia Vianello, Laura Villamar‐Bouza, Adriana Scattareggia Marcchese   +48 more
wiley   +1 more source

Oxidative couplings on tryptophan-based diketopiperazines leading to fused and bridged chemotypes

, 2017
Selective C–C and C–N oxidative couplings on tryptophan-based diketopiperazines allow the direct access to two novel scaffolds.
Arantxa Albornoz-Grados, Rodolfo Lavilla, Fernando Albericio, Alexandra Bertran, Lorena Mendive-Tapia   +4 more
core   +1 more source

Endophytic Fungi Natural Factories of Novel Bioactive Compounds

Chemistry &Biodiversity, Volume 23, Issue 9, September 2026.
This review provides a systematic analysis of 242 natural products isolated from 42 genera of endophytic fungi, highlighting their remarkable structural diversity and broad spectrum of biological activities . ABSTRACT Endophytic fungi represent a prolific and chemically diverse source of novel specialized metabolites with significant pharmacological ...
Dilmurod Murodullayev, Jakhongir Movlanov, Liu Wei, Wei Liu, Maksud Isokov, Santosh Kumar Bose, Fazliddin Kobilov, Zamira Djumayeva, Buston Islamov, Jamila Sherkulova, Zafar Matyakubov, Muniskhon Meylieva, Munisa Ergasheva, Diyor Abduraxmanov, Guozheng Huang, Hongchen Jiang, Kakhramon Davranov, Guohui Pan, Nigora Rustamova   +18 more
wiley   +1 more source

Attempted syntheses of 1,3,4,6-tetrasubstituted-2,5-diketopiperazines using microwave assisted heating [PDF]

, 2012
Attempted syntheses of 1,3,4,6-tetrasubstituted-2,5-diketopiperazines using microwave assisted ...
Grineviciute, Laima
core