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Invisible Ecosystems Discovered on Rembrandt’s Masterpiece The Night Watch

Scientists reveal diverse microbial life living on the surface of the historic painting.

2 sources2 min

1Microbial Life Unveiled

Rembrandt’s 400-year-old masterpiece, The Night Watch, hosts a hidden world of microorganisms. A collaboration between the Rijksmuseum and Artis-Micropia, a specialized microbe zoo in Amsterdam, has identified various bacteria on the painting. These findings are now showcased in a new exhibition titled The Night Watch Lives, highlighting invisible life.

2Rigorous Sampling Process

Researchers collected samples from approximately 60 distinct points across the painting over a six-month period. These samples were subsequently cultivated into colonies and are currently displayed in Petri dishes alongside a full-scale reproduction of the artwork. This methodology allows the public to visualize the microscopic inhabitants found on the canvas.

3Diverse Bacterial Origins

Microbiologist Eline van Bloois noted that many identified microbes are commonly found in soil or on human skin. However, the discovery also included a Saccharophyllum bacterium typically associated with a sugar refinery in Japan. This specific finding was located in an area where varnish had been removed for recent restoration work.

4The Age Mystery

While the presence of these microbes is confirmed, determining their exact age remains scientifically impossible. Researchers cannot distinguish if these organisms have resided on the painting for centuries or arrived recently. Van Bloois emphasized that analyzing a single microbe does not provide a timeline, leaving the historical origin a mystery.

5No Risk Detected

Despite the presence of various bacterial colonies, experts have confirmed that these microorganisms do not pose a threat to the integrity of the painting. The restoration team continues to monitor the masterpiece closely, ensuring that the microbial life remains a subject of scientific curiosity rather than a conservation concern.

6Broader Restoration Context

This study is part of Operation Night Watch, a large-scale research and restoration project initiated in 2019. The work is conducted within a specialized glass chamber at the Rijksmuseum, allowing the public to observe the process. This initiative aims to deepen the understanding of the painting's physical and chemical composition.

7Scientific Collaboration Benefits

Katrien Keune, scientific director at the Rijksmuseum, stated that this interdisciplinary collaboration has expanded their research horizons. By integrating microbiology with art restoration, the team is raising new questions about the painting. The knowledge gained from this project may eventually be applied to the conservation of other historical artworks.

8Future Research Prospects

The exhibition opened to the public this week, with plans to collect additional samples in the coming months. These future findings will gradually enrich the display, providing ongoing insights into the microscopic environment of the painting. Scientists expect these intriguing results to generate further research inquiries for many years ahead.

Original article: Observador — Invisible Ecosystems Discovered on Rembrandt’s Masterpiece The Night Watch