Crippled clock hinders healing

Biopsychosocial pain model crippled?

Actin mesh hinders microtubules

JCB • VOLUME 179 • NUMBER 4 • 2007 570 Actin mesh hinders microtubules L ike an iron curtain, a mesh of actin keeps microtubules in place in the fl y oocyte, according to Katja Dahlgaard, Daniel St Johnston, and colleagues (University of Cambridge, UK). When the mesh comes down, microtubules are washed into a new orientation by free-fl owing cytoplasm. Microtubule orientation in the fl y oocyte...

Cell Timer/Cell Clock

Like the biological clock in the body, replication of each cell type (even different cells of the same organism) follows a timing program. Abnormal function of this timer could be an alarm for a disease like cancer. DNA replication starts from a specific point on the chromosome that is called the origin of replication. In contrast to prokaryotes in which DNA replication starts from a single ...

China's bureaucracy hinders environmental recovery.

Ecosystem restoration efforts have become a booming business in China. Billions of dollars are being spent annually to restore polluted waterways and ecosystems that have been degraded, fragmented, or paved over (Fu et al. 2007; Wang et al. 2007). However, China’s environmental sustainability index remains among the lowest in the world (World Bank 2009; Liu 2010). For all the money spent, there...

Fruit hinders abdominal aortic aneurysms