ScienceDaily: Biotechnology News |
- Biologists describe key mechanism in early embryo development
- Hawaiian honeycreepers: Family tree for most-endangered bird family in the world determined
- Researchers trace evolution of diversity in Hawaiian Honeycreepers
- How hemp got high: Cannabis genome mapped
- New bacteria toxins against resistant insect pests
- Propensity for longer life span inherited non-genetically over generations, study shows
| Biologists describe key mechanism in early embryo development Posted: 20 Oct 2011 04:18 PM PDT Biologists have identified a key mechanism controlling early embryonic development that is critical in determining how structures such as appendages -- arms and legs in humans -- grow in the right place and at the right time.  |
| Hawaiian honeycreepers: Family tree for most-endangered bird family in the world determined Posted: 20 Oct 2011 11:51 AM PDT Using one of the largest DNA data sets for a group of birds and employing next-generation sequencing methods, Smithsonian scientists and collaborators have determined the evolutionary family tree for one of the most strikingly diverse and endangered bird families in the world, the Hawaiian honeycreepers. Not only have the researchers determined the types of finches that the honeycreeper family originally evolved from, but they have also linked the timing of that rapid evolution to the formation of the four main Hawaiian Islands.  |
| Researchers trace evolution of diversity in Hawaiian Honeycreepers Posted: 20 Oct 2011 09:21 AM PDT Scientists have determined the evolutionary family tree for one of the most strikingly diverse and endangered bird families in the world, the Hawaiian honeycreepers.  |
| How hemp got high: Cannabis genome mapped Posted: 19 Oct 2011 11:57 PM PDT Researchers have sequenced the genome of Cannabis sativa, the plant that produces both industrial hemp and marijuana, and in the process revealed the genetic changes that led to the plant's drug-producing properties.  |
| New bacteria toxins against resistant insect pests Posted: 19 Oct 2011 11:47 PM PDT Scientists have developed Bt toxins for the management of Bt resistance in European corn borer and other crop pests.  |
| Propensity for longer life span inherited non-genetically over generations, study shows Posted: 19 Oct 2011 11:43 PM PDT We know that our environment -- what we eat, the toxic compounds we are exposed to -- can positively or negatively impact our life span. But could it also affect the longevity of our descendants, who may live under very different conditions? Recent research suggests this could be the case.  |
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