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Magnificines A and B, Antimicrobial Marine Alkaloids Featuring a Tetrahydrooxazolo[3,2-a]azepine-2,5(3H,6H)-dione Backbone from the Red Sea Sponge Negombata magnifica.

Youssef DTA, Asfour HZ, Genta-Jouve G, Shaala LA. Youssef DTA, et al. Among authors: shaala la. Mar Drugs. 2021 Apr 12;19(4):214. doi: 10.3390/md19040214. Mar Drugs. 2021. PMID: 33921326 Free PMC article.

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Fusaripyridines A and B; Highly Oxygenated Antimicrobial Alkaloid Dimers Featuring an Unprecedented 1,4-Bis(2-hydroxy-1,2-dihydropyridin-2-yl)butane-2,3-dione Core from the Marine Fungus Fusarium sp. LY019.

Shaala LA, Alzughaibi T, Genta-Jouve G, Youssef DTA. Shaala LA, et al. Mar Drugs. 2021 Sep 6;19(9):505. doi: 10.3390/md19090505. Mar Drugs. 2021. PMID: 34564167 Free PMC article.

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Bioactive Diketopiperazines and Nucleoside Derivatives from a Sponge-Derived Streptomyces Species.

Shaala LA, Youssef DTA, Badr JM, Harakeh SM, Genta-Jouve G. Shaala LA, et al. Mar Drugs. 2019 Oct 16;17(10):584. doi: 10.3390/md17100584. Mar Drugs. 2019. PMID: 31623138 Free PMC article.

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Secondary Metabolites of the Genus Didemnum: A Comprehensive Review of Chemical Diversity and Pharmacological Properties.

Youssef DTA, Almagthali H, Shaala LA, Schmidt EW. Youssef DTA, et al. Among authors: shaala la. Mar Drugs. 2020 Jun 11;18(6):307. doi: 10.3390/md18060307. Mar Drugs. 2020. PMID: 32545321 Free PMC article. Review.

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Jizanpeptins, Cyanobacterial Protease Inhibitors from a Symploca sp. Cyanobacterium Collected in the Red Sea.

Gallegos DA, Saurí J, Cohen RD, Wan X, Videau P, Vallota-Eastman AO, Shaala LA, Youssef DTA, Williamson RT, Martin GE, Philmus B, Sikora AE, Ishmael JE, McPhail KL. Gallegos DA, et al. Among authors: shaala la. J Nat Prod. 2018 Jun 22;81(6):1417-1425. doi: 10.1021/acs.jnatprod.8b00117. Epub 2018 May 29. J Nat Prod. 2018. PMID: 29808677 Free PMC article.

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Psammaceratin A: A Cytotoxic Psammaplysin Dimer Featuring an Unprecedented (2Z,3Z)-2,3-Bis(aminomethylene)succinamide Backbone from the Red Sea Sponge Pseudoceratina arabica.

Youssef DTA, Asfour HZ, Shaala LA. Youssef DTA, et al. Among authors: shaala la. Mar Drugs. 2021 Jul 29;19(8):433. doi: 10.3390/md19080433. Mar Drugs. 2021. PMID: 34436272 Free PMC article.

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The demosponge Pseudoceratina purpurea as a new source of fibrous chitin.

Żółtowska-Aksamitowska S, Tsurkan MV, Lim SC, Meissner H, Tabachnick K, Shaala LA, Youssef DTA, Ivanenko VN, Petrenko I, Wysokowski M, Bechmann N, Joseph Y, Jesionowski T, Ehrlich H. Żółtowska-Aksamitowska S, et al. Among authors: shaala la. Int J Biol Macromol. 2018 Jun;112:1021-1028. doi: 10.1016/j.ijbiomac.2018.02.071. Epub 2018 Feb 13. Int J Biol Macromol. 2018. PMID: 29452181

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Hemimycalins C-E; Cytotoxic and Antimicrobial Alkaloids with Hydantoin and 2-Iminoimidazolidin-4-one Backbones from the Red Sea Marine Sponge Hemimycale sp.

Shaala LA, Youssef DTA. Shaala LA, et al. Mar Drugs. 2021 Dec 2;19(12):691. doi: 10.3390/md19120691. Mar Drugs. 2021. PMID: 34940689 Free PMC article.

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Pseudoceratonic Acid and Moloka'iamine Derivatives from the Red Sea Verongiid Sponge Pseudoceratina arabica.

Shaala LA, Youssef DTA. Shaala LA, et al. Mar Drugs. 2020 Oct 23;18(11):525. doi: 10.3390/md18110525. Mar Drugs. 2020. PMID: 33114230 Free PMC article.

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Discovery of chitin in skeletons of non-verongiid Red Sea demosponges.

Ehrlich H, Shaala LA, Youssef DTA, Żółtowska-Aksamitowska S, Tsurkan M, Galli R, Meissner H, Wysokowski M, Petrenko I, Tabachnick KR, Ivanenko VN, Bechmann N, Joseph Y, Jesionowski T. Ehrlich H, et al. Among authors: shaala la. PLoS One. 2018 May 15;13(5):e0195803. doi: 10.1371/journal.pone.0195803. eCollection 2018. PLoS One. 2018. PMID: 29763421 Free PMC article.

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