Wednesday , October 18 2017

Genetics

Researchers Uncover New Antibiotic Resistance Genes

Chalmers University of Technology Professor Erik Kristiansson and co-authors have identified over 70 new metallo-β-lactamase genes that make bacteria resistant to last-resort antibiotics. Scanning electron micrograph of methicillin-resistant Staphylococcus aureus. Image credit: National Institute of Allergy and Infectious Diseases. “Metallo-β-lactamases are bacterial enzymes that provide resistance to carbapenems, the most …

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Scientists Sequence Sea Cucumber Genome

An international team of researchers from Canada and China has sequenced the genome of the economically important species Apostichopus japonicus, commonly known as the Japanese spiky sea cucumber or the Japanese sea cucumber. The Japanese sea cucumber (Apostichopus japonicus). Image credit: Qiang Xu. Sea cucumbers are members of Holothuroidea, a …

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Researchers Sequence Genome of Tropical Fruit Durian

An international team of researchers from Singapore, Hong Kong and Malaysia has sequenced the genome of durian (Durio zibethinus), a Southeast Asian tropical plant known for its hefty, spine-covered fruit and sulfury and onion-like odor. Durian (Durio zibethinus). Image credit: Amon Heijne / CC BY-SA 3.0. Durian is an edible …

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Ancient DNA Study Sheds New Light on History of Tasmanian Tigers

A new study led by University of Adelaide researcher Jeremy Austin traces the history of Tasmanian tiger (thylacine) populations over the last 30,000 years. A pair of thylacines, a male and female, c. 1905. Image credit: Smithsonian Institutional Archives / E. J. Keller, National Zoological Park. The thylacine (Thylacinus cynocephalus) …

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Researchers Sequence Guinea Yam Genome

An international team of scientists from the United Kingdom, Japan, and Germany has produced the first high-quality genomic sequence for the white Guinea yam (Dioscorea rotundata), a staple tuber crop that contributes enormously to the subsistence and socio-cultural lives of millions of people, principally in West and Central Africa. Woman …

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