Arzu Karahan

E-mail

arzukar@metu.edu.tr

Department

Graduate School of Marine Sciences

ORCID

0000-0002-4096-9372

Scopus Author ID

6507183963

Web of Science Researcher ID

J-5441-2019

Microbial and environmental interactions of the 2021 mucilage event in the Sea of Marmara Karahan, Arzu; Deliceırmak, Selin; Esti, Mertcan; Kalkan Tezcan, Evrim; Öztürk, Esra; Örek, Hasan (2026-01-01) In 2021, the Sea of Marmara (SoM) experienced an extensive mucilage event that severely impacted marine ecosystems. While nutrient enrichment, temperature anomalies, and anthropogenic stressors are known contributors to su...
Botryllus humilis: A promising new ascidian model for aging, stem cell dynamics, and whole-body regeneration Karahan, Arzu (2025-10-01) Model organisms are essential in science as they provide systems for studying conserved biological processes. In addition to widely used multicellular and unicellular models, tunicates have emerged as valuable model organi...
Asexual reproduction and regenerative responses of botryllid ascidians to salinity and temperature variations Ogul Unal, Fatima Nur; Unal, Mert Koray; Karahan, Arzu (2025-09-01) The unique reproductive strategies of botryllid ascidians, which include both asexual and sexual mechanisms as well as an extensive capacity for regeneration, contribute to their fast population growth and wide-ranging eco...
eDNA METABARCODING FOR SPATIOTEMPORAL MONITORING OF BLACK SEA MARINE BIODIVERSITY Durgut, Bilge; Yücel, Mustafa; Karahan, Arzu (2024-12-23)
Exploring Pelagic Biodiversity in the Black Sea through eDNA Metabarcoding Durgut, Bilge; Yücel, Mustafa; Karahan, Arzu (2024-09-27)
Didemnids along the Turkish Coastlines: Their Symbionts and Bioactive Secondary Metabolites Karahan, Arzu (2024-08-02)
Genetic and Morphological Diversity of Botryllus schlosseri on the Turkish Coast Tohumcu, Begüm Ece; Öztürk, Esra; Karahan, Arzu (2024-07-31) Botryllus schlosseri is a vital model organism in the botryllid ascidian species. It is a crucial reference point for phylogenetic studies due to its ancestral position within the chordate lineage. Despite its acknowledged...
Seven ascidian (Tunicata) species from the North Eastern Mediterranean Karahan, Arzu (2023-10-01) Members of the tunicates, a subphylum of marine filter-feeder chordates, inhabit all marine and oceanic habitats from the subtidal to the abyssal. Considered the closest relatives to the vertebrates, the tunicates are wide...
Phylogeographic and Morphological Analysis of Botrylloides niger Herdman, 1886 from the Northeastern Mediterranean Sea Temiz, Berivan; Öztürk, Esra; Blanchoud, Simon; Karahan, Arzu (2023-03-01) Botrylloides niger (class Ascidiacea) is an invasive marine filter-feeding invertebrate that is believed to originate from the West Atlantic region. This species of colonial tunicate has been observed in several locations ...
A broad-taxa approach as an important concept in ecotoxicological studies and pollution monitoring Rosner, Amalia; et. al. (2023-01-01) Aquatic invertebrates play a pivotal role in (eco)toxicological assessments because they offer ethical, cost-effective and repeatable testing options. Additionally, their significance in the food chain and their ability to...

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