In the UK, thousands of oak trees are “bleeding,” oozing dark liquid from cracks on their bark. What lies underneath are fluid-filled necrotic cavities that disrupts their life force by impeding the normal flow of nutrients and water. Taking advantage of the weakened state of the trees, are bark-boring beetles, which lay their eggs in…
Author: Jennifer Tsang
Zombie Worms and Microbes Come Together for a Deep Sea Meal
Deep within the ocean, scientists and explorers alike have discovered all sorts of creatures almost unfathomable to our terrestrial minds. Giant octopus, electric eels, and anglerfish have all tickled our imagination over the past several centuries, and left us in awe of the capabilities of life. A more recent discovery is that of the bone-eating…
Giant Genes for Tiny Organisms
How big can a gene be? Ten years ago in the early days of genome sequencing, researchers scoured the genomes of 580 bacterial and archaeal species for large genes. They found that 0.2% of all genes identified are longer than 5,000 bases and 80 of them are “giant genes,” those larger than 15,000 bases. To…
There’s a Fungus Among Us and It’s Making Peppers Spicy
Though the heat of the chili pepper has taken our culinary adventures to great heights, the spiciness of chili peppers was not designed to attract hungry diners. Spiciness actually evolved to defend the plant against fungal predators. Peppers, like many fruits, are colorful, sweet, and appetizing, designed to attract animals that help bring seeds to…
How Do Koch’s Postulates Hold Up More than A Century Later?
On this date in 1843, Robert Koch, the founder of modern microbiology was born. And on December 10, 1905, one day before his 62nd birthday, he was awarded the Nobel Prize in Physiology or Medicine for his work on tuberculosis.