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9 Results Found

  • Article
  • Open Access
8 Citations
6,595 Views
15 Pages

Determination of the Halogenated Skeleton Constituents of the Marine Demosponge Ianthella basta

  • Susanne Ueberlein,
  • Susanne Machill,
  • Peter J. Schupp and
  • Eike Brunner

10 February 2017

Demosponges of the order Verongida such as Ianthella basta exhibit skeletons containing spongin, a collagenous protein, and chitin. Moreover, Verongida sponges are well known to produce bioactive brominated tyrosine derivatives. We recently demonstra...

  • Article
  • Open Access
1 Citations
1,851 Views
12 Pages

The Chitinous Skeleton of Ianthella basta Marine Demosponge as a Renewable Scaffold-Based Carrier of Antiseptics

  • Izabela Dziedzic,
  • Kamil Dydek,
  • Alona Voronkina,
  • Valentin Kovalchuk,
  • Teofil Jesionowski and
  • Hermann Ehrlich

The chitinous skeleton of the marine demosponge Ianthella basta exhibits a unique network-like 3D architecture, excellent capillary properties, and chemical inertness, making it highly suitable for interdisciplinary research, especially in biomedical...

  • Article
  • Open Access
15 Citations
9,991 Views
9 Pages

1-O-Sulfatobastadins-1 and -2 from Ianthella basta (Pallas).Antagonists of the yR1-FKBP12 Ca2+ Channel

  • Makoto N. Masuno,
  • Alexander C. Hoepker,
  • Isaac N. Pessah and
  • Tadeusz F. Molinski

25 November 2004

Two new sulfate monoesters of hemibastadins-1 and -2 were isolated from the marine sponge Ianthella basta (Pallas) from Guam. A third new compound was tentatively assigned the structure 34-O-sulfatobastadin-9. The 1-O-sulfatohemibastadins-1 and –2 we...

  • Article
  • Open Access
21 Citations
3,655 Views
17 Pages

Calcite Nanotuned Chitinous Skeletons of Giant Ianthella basta Marine Demosponge

  • Ahmet Kertmen,
  • Iaroslav Petrenko,
  • Christian Schimpf,
  • David Rafaja,
  • Olga Petrova,
  • Viktor Sivkov,
  • Sergey Nekipelov,
  • Andriy Fursov,
  • Allison L. Stelling and
  • Hermann Ehrlich
  • + 3 authors

22 November 2021

Marine sponges were among the first multicellular organisms on our planet and have survived to this day thanks to their unique mechanisms of chemical defense and the specific design of their skeletons, which have been optimized over millions of years...

  • Article
  • Open Access
31 Citations
8,315 Views
17 Pages

Brominated Skeletal Components of the Marine Demosponges, Aplysina cavernicola and Ianthella basta: Analytical and Biochemical Investigations

  • Kurt Kunze,
  • Hendrik Niemann,
  • Susanne Ueberlein,
  • Renate Schulze,
  • Hermann Ehrlich,
  • Eike Brunner,
  • Peter Proksch and
  • Karl-Heinz Van Pée

17 April 2013

Demosponges possess a skeleton made of a composite material with various organic constituents and/or siliceous spicules. Chitin is an integral part of the skeleton of different sponges of the order Verongida. Moreover, sponges of the order Verongida,...

  • Article
  • Open Access
11 Citations
4,162 Views
20 Pages

Electrolysis as a Universal Approach for Isolation of Diverse Chitin Scaffolds from Selected Marine Demosponges

  • Krzysztof Nowacki,
  • Maciej Galiński,
  • Andriy Fursov,
  • Alona Voronkina,
  • Heike Meissner,
  • Iaroslav Petrenko,
  • Allison L. Stelling and
  • Hermann Ehrlich

25 October 2022

Three-dimensional chitinous scaffolds often used in regenerative medicine, tissue engineering, biomimetics and technology are mostly isolated from marine organisms, such as marine sponges (Porifera). In this work, we report the results of the electro...

  • Article
  • Open Access
12 Citations
8,075 Views
22 Pages

The Skeletal Amino Acid Composition of the Marine Demosponge Aplysina cavernicola

  • Susanne Ueberlein,
  • Susanne Machill,
  • Hendrik Niemann,
  • Peter Proksch and
  • Eike Brunner

8 August 2014

It has been discovered during the past few years that demosponges of the order Verongida such as Aplysina cavernicola exhibit chitin-based skeletons. Verongida sponges are well known to produce bioactive brominated tyrosine derivatives. We could rece...

  • Article
  • Open Access
18 Citations
6,500 Views
19 Pages

Cyclic versus Hemi-Bastadins. Pleiotropic Anti-Cancer Effects: from Apoptosis to Anti-Angiogenic and Anti-Migratory Effects

  • Véronique Mathieu,
  • Nathalie Wauthoz,
  • Florence Lefranc,
  • Hendrik Niemann,
  • Karim Amighi,
  • Robert Kiss and
  • Peter Proksch

19 March 2013

Bastadins-6, -9 and -16 isolated from the marine sponge Ianthella basta displayed in vitro cytostatic and/or cytotoxic effects in six human and mouse cancer cell lines. The in vitro growth inhibitory effects of these bastadins were similar in cancer...

  • Article
  • Open Access
8 Citations
3,634 Views
23 Pages

Metagenomic Assessment of DNA Viral Diversity in Freshwater Sponges, Baikalospongia bacillifera

  • Tatyana V. Butina,
  • Ivan S. Petrushin,
  • Igor V. Khanaev and
  • Yurij S. Bukin

Sponges (type Porifera) are multicellular organisms that give shelter to a variety of microorganisms: fungi, algae, archaea, bacteria, and viruses. The studies concerning the composition of viral communities in sponges have appeared rather recently,...