Genetics

Scientists Find Significant Amount of Eel DNA in Loch Ness

An international team of researchers has announced the results of investigations into the environmental DNA (eDNA) present in Loch Ness, a large freshwater lake best known for sightings of the long-necked ‘monster.’ Hoaxed photo of the Loch Ness ‘monster’ from April 21, 1934. “People love a mystery, we’ve used science …

Read More »

Researchers Sequence Genome of Ancient Harappan Woman

A multinational team of scientists has sequenced the first genome of an individual from the Harappan Civilization. The genome, which belongs to a woman who lived 4,000-5,000 years ago, suggests that modern people in India are likely to be largely descended from people of this ancient civilization. It also offers …

Read More »

Researchers Create Albino Lizards Using CRISPR-Cas9 Gene Editing

A team of scientists at the University of Georgia has used CRISPR-Cas9 gene editing to engineer brown anoles (Anolis sagrei) with transmissible mutations in TYR (tyrosinase), a gene involved in the synthesis of the pigment melanin. Albino (left) and wild-type (right) anole lizards. Image credit: Rasys et al, doi: 10.1016/j.celrep.2019.07.089. …

Read More »

Researchers Identify Second Short-Sleep Gene

Sleep is crucial for our survival, and many conditions, including cancer, autoimmune disorders, cardiovascular disease, and Alzheimer’s, are linked to poor sleep quality. Before we can use sleep to enhance our health and performance and alleviate diseases associated with poor sleep, a greater understanding of sleep regulation is necessary. After …

Read More »

Avocado Genome Sequenced

A multinational team of researchers has sequenced the genomes of Mexican, Guatemalan and West Indian avocados, and the most commercially popular hybrid cultivar, Hass, shedding light on the ancient origins of this buttery fruit and laying the groundwork for future improvements to farming. The avocado (Persea americana) is a fruit …

Read More »

Researchers Sequence Genome of Komodo Dragon

An international team of scientists has mapped and analyzed the entire genome of the Komodo dragon (Varanus komodoensis), the largest extant monitor lizard. The Komodo dragon (Varanus komodoensis). Image credit: Gary Chambers. Komodo dragons can grow to 10 feet (3 m) in length and run up to 12 mph (20 kmh), …

Read More »

Cowpea Genome Sequenced

A large international team of researchers has sequenced the genome of the cowpea (Vigna unguiculata), a major crop for worldwide food and nutritional security, especially in sub-Saharan Africa. African farmers domesticated the cowpea (Vigna unguiculata) from its wild form, in a process of unconscious selection over many centuries. Domesticated cowpea …

Read More »