team of researchers CSIRO We decoded the genome of Spotted handfish (Brachyonychthys hirsutus)an endangered species of marine fish endemic to Tasmania.
Brachyonychthys hirsutus It is a rare benthic fish of the handfish family. Brachionidae.
This rare fish is found only in Tasmania's Derwent River estuary and nearby areas. It is usually found at depths of 5 to 10 meters (16 to 33 feet).
It was first officially described in 1804. Brachyonychthys hirsutus have Their highly adapted pectoral fins look like hands and allow them to walk on the ocean floor.
This species' diet includes small shellfish, shrimp, and polychaetes.
Brachyonychthys hirsutus teeth classified as endangered species Listed on the IUCN Red List 2020. Scientists estimate that fewer than 2,000 individuals remain in the wild.
Its rapid decline is thought to be due to historical fishing practices, coastal development, climate change, and the arrival of invasive species.
“Genome sequencing will aid ongoing efforts to increase population numbers and monitor genetic diversity,” said CSIRO researcher Gunjan Pandey.
“Genomes help us understand how organisms work.”
This provides a basis for understanding gene expression in everyday life and provides insight into its evolutionary history.”
“With the genome, we can help detect species, monitor populations, and even estimate the lifespan of fish.”
“This rich genetic information will help inform long-term conservation strategies,” added CSIRO researcher Carly Devine.
“Recognizing that a multidisciplinary approach alongside ecological research is essential for effective conservation of endangered species, conservation measures are being expanded to include genetics.”
“Marine creatures like the spotted handfish are notoriously difficult to handle.”
“DNA is rapidly degraded and contaminated by microorganisms.”
“This makes it very difficult to assemble a pure genome.”
Using a so-called low-input protocol, the research team was able to sequence the complete genome from a small amount of low-quality DNA.
“We are one of only three teams in the world using this protocol,” Dr. Pandey said.
“We customized the entire process, from the lab setup to the bioinformatics software, to sequence high-quality genomes from low-quality DNA.”
“Work that previously took six to 12 months can now be completed in a matter of days. This technology holds great promise for the understanding and conservation of threatened species across Australia and around the world.”
Source: www.sci.news
