早在1991年,Robin Lovell-Badge教授带领的团队发现了哺乳动物Y染色体上的性别决定基因Sry[2]。这个基因编码的蛋白叫做性别决定区域Y蛋白(SRY),也叫做睾丸决定因子(TDF). 2004年发表在Developmental Biology期刊上的文章证实在Sertoli细胞前体中,SRY上调SOX9的...
The rainforest refugia at the last glacial maxi- Disharmony is a key concept in island biology that describes mum (LGM, around 23,000–18,000 years BP) of relict the biased representation of higher taxa on islands compared angiosperms (Pouteau et al. 2015), including Amborella to ...
It works a little bit differently than most of the approved drugs. Most of the approved drugs block steps in the HIV lifecycle while it’s inside a cell. And this drug blocks attachment to the cell when the virus tries to glom onto the cell to start the infection process; this is where...
Regrettably, this approach does not recognize that changing the intake/availability side of the energy balance equation will invariably result in metabolic and/or behavioral changes on the energy expenditure side. When dieting, the magnitude of the initial energy deficit is diminished over time as ...
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