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The domestic dog is the best friend of man from the animal kingdom. There are more than 400 dog breeds all over the world, each with different temperament and morphology. For this reason, they are competent to play many different roles in our livelihood. Like drug control dogs, police dogs, hunter dogs, seeing eye dogs and pet dogs.
Although embodying so much diversity, all dogs are descend... more |
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| How to adapt to the extreme hypoxic environments at high altitude is a hot study in evolution. Tibetans are well adapted to high-altitude environments. As a complex adaptive trait, adaptation to high-altitude environment could be the result of multiple gene interactions. Previously, several candidate genes have been reported, besides EPAS1 and EGLN1 (the major upstream regulators in the hypoxic... more |
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Nonalcoholic fatty liver disease (NAFLD) is defined as the presence of macrovesicalar steatosis in individuals who consume little or no alcohol. The disease spectrum of NAFLD ranges from simple steatosis to nonalcoholic steatohepatitis (NASH), cirrhosis and hepatocellular carcinoma (HCC). The prevalence of NAFLD in developed countries ranges from 20-30%, while it is 12-24% in China.
NAFLD i... more |
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| Pollination, especially insect pollination, plays central roles in maintaining ecological balance. Among those pollinating insects, honey bees are the most valuable species. Worldwide massive death of honey bees in recent years has induced the reduction of agricultural production and loss of biodiversity. The reasons of the death of honey bees mainly includes parasites, viruses and farm chemica... more |
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| Among the over 4,000 amphibian species worldwide, most distribute in rain forests, creeks, mountains, plateaus, or deserts, but almost no one survives in environments with high salinity. As an exception, the crab-eating frog, Fejervarya cancrivora, a species native to south-eastern Asia, is the only known modern amphibian tolerates hyperosmotic external conditions. Compared with other species w... more |
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