Dr. Guarente acknowledged that many genes might be involved in aging.
Opponents also fear that foreign genes might be transferred into related species, through the uncontrolled exchange of pollen.
Genetic factors are thought to be important - as many as 10 genes might be in volved, Prof Donaldson said.
Their approach has been to guess what genes might be involved and see if patients have abnormal versions.
Laboratory studies led Dr. Liggett to suspect that alterations in the genes might be important in heart failure.
"There are probably plenty of genes interacting with these five," he said, adding that it is also unknown exactly how the five genes might be influencing doggy sociability.
Ownership of our genes might be at stake, but not our humanity or our identities as trees or people, dead or alive and machine or animate.
Essentially, his work "sets a floor for how many genes might be clock-regulated," Nicholas Stavropoulos, a researcher at New York University's Neuroscience Institute, told me.
Czjzek wondered where else these genes might be lurking.
So, in our opinion, HLA genes might be considered survival genes not longevity genes.
These results suggested that rice-specific OsOPT genes might be potentially useful in improving rice.
