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tag ancient dna ecology immunology

Researchers Learn from Plant Viruses to Protect Crops
Claire Asher | Feb 1, 2018 | 10+ min read
Plants are locked in an ancient arms race with hostile viruses, but genome editing is giving crops the upper hand.
Giant Virus Has CRISPR-like Immune Defense
Kerry Grens | Mar 2, 2016 | 2 min read
The genome of a mimivirus strain resistant to a virophage has repeated phage sequences alongside nuclease- and helicase-coding sections.
Genetic Parasites and a Whole Lot More
Barry Palevitz | Oct 15, 2000 | 10+ min read
Photo: Ori Fragman, Hebrew University Hordeum spontaneum, the plant studied for BARE-1 retroelements. With genome sequences arriving almost as regularly as the morning paper, the public's attention is focused on genes--new genes to protect crops against pests; rogue genes that make bacteria resistant to antibiotics; faulty genes that, if fixed, could cure diseases such as muscular dystrophy. What many people don't realize is that genes account for only part of an organism's DNA, and in many c
Biochemical, Reagents Kits Offer Scientists Good Return On Investment
Holly Ahern | Jul 23, 1995 | 8 min read
Investment Author:Holly Ahern If you were to ask several life scientists to name a particular biochemical product that they simply could not do without, you'd probably get a myriad of answers that would mirror the research interests of the group you questioned. A molecular evolutionist trying to differentiate two closely related species of monkeys by restriction fragment-length polymorphism (RFLP) analysis might cite restriction enzymes, which can cut DNA into pieces of varying length. A cell b
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Top 7 in Microbiology
Megan Scudellari | Jul 26, 2011 | 3 min read
A snapshot of the most highly ranked articles in microbiology and related areas, from Faculty of 1000.
A Pioneer Presses Search For 'Other Side of Biology'
Gerald Edelman | Nov 13, 1988 | 4 min read
When I was a high school student, I came across Erwin Schrödingers What Is Life?. I still remember my exultant reaction—a combination of adolescent pride in feeling able to understand ideas considered beyond a young person’s means, and a genuine intellectual thrill engendered by the problems that Schrödinger addressed. Upon rereading the book, it appears to me that its major value was to provoke interest in a central problem of biology. Schrödinger’s question
Pufferfish Genomes Probe Human Genes
Ricki Lewis | Mar 17, 2002 | 7 min read
It may be humbling to think that humans have much in common with pufferfish, but at the genome level, the two are practically kissing cousins. "In terms of gene complement, we are at least 90% similar—probably higher. There are big differences in gene expression levels and alternate transcripts, but if you're talking about diversity, number and types of proteins, then it's pretty difficult to tell us apart," says Greg Elgar, group leader of the Fugu genome project at the Medical Research C
Games for Science
The Scientist | Jan 1, 2013 | 10+ min read
Scientists are using video games to tap the collective intelligence of people around the world, while doctors and educators are turning to games to treat and teach.
Scientists Debate RNA's Role At Beginning Of Life On Earth
Ricki Lewis | Mar 30, 1997 | 9 min read
Sidebar: RNA's Role at Beginning of Life - For Further Information Before there was life, there were chemicals. The idea that ribonucleic acid (RNA), because of its catalytic capability and multiple roles in protein synthesis, was the chemical that led directly to life is termed the RNA world hypothesis. Although the phrase "RNA world" is generally attributed to Walter Gilbert, Harvard University's Carl M. Loeb University Professor, in a short 1986 paper, the idea of RNA's importance at the beg

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