Monday, 9 November 2009
Shark genetics
Genetic analyses of Great white sharks in Australia and california has shown they are distant cousins.
Wednesday, 7 October 2009
Dog genetics
Coat length,curls and texture in dogs is influenced by the FGF5,KRT71 and rspo2 genes.
A genetic study suggests that all small dogs, whether chihuahua or shih tzu have a version of the IGF-1 gene similiar to that in middle eastern gray wolves,suggesting the origin of that gene is in the middle east.
A genetic study suggests that all small dogs, whether chihuahua or shih tzu have a version of the IGF-1 gene similiar to that in middle eastern gray wolves,suggesting the origin of that gene is in the middle east.
Friday, 18 September 2009
Pathogen that cause Irish potato famine genetically sequenced
Phytophthora infestans has genome estinated at 240 megabase.
Almost 18,000 genes were found.
They were lots of gypsy elements,1/3 of the genome assembly being such elements,one called `albatross' accounts for a lot of the genome
273 transpoons found
Almost 18,000 genes were found.
They were lots of gypsy elements,1/3 of the genome assembly being such elements,one called `albatross' accounts for a lot of the genome
273 transpoons found
Monday, 14 September 2009
silkworm genetics
Researchers have sequenced the genomes of 40 types of silkworms,29 domesticated and 11 wild types of silk worms.
Genome size is 432mb
Researchers identified 16 million SNPs,as well as 354 genes possibly associated with domestication.
Genome size is 432mb
Researchers identified 16 million SNPs,as well as 354 genes possibly associated with domestication.
Wednesday, 26 August 2009
Rice genetics
A pi21 mutation,involving two deletions, protects against rice blast fungus.
xa21 gene gives resistance to most stain of the xanthomonas oryae pv. oryae bacteria
xa21 gene gives resistance to most stain of the xanthomonas oryae pv. oryae bacteria
Tuesday, 18 August 2009
genes associated with sleep and the circadian circle
A mutation in a gene called DEC2 is associated with short sleep patterns in both humans and mice,those with this mutation sleep on average 6 hours,whereas those without the mutation sleep on average 8 hours.
Other genes poaasibly associated with the mammallian circadian circle include
BMAL1
CLOCK
cry1
cry2
NPAS2
Other genes poaasibly associated with the mammallian circadian circle include
BMAL1
CLOCK
cry1
cry2
NPAS2
Friday, 7 August 2009
Genes associated with epilsepy
Researchers at the university of leeds have found that mice with a mutation of the atp1a3 were prone to epilsepy.
The theory is that the atp1a3 gene regulates sodium and potassium levels in brain nerve cells.
The theory is that the atp1a3 gene regulates sodium and potassium levels in brain nerve cells.
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