Precise Repair of mPing Excision Sites is Facilitated by Target Site Duplication Derived Microhomology

A key difference between the Tourist and Stowaway families of miniature inverted repeat transposable elements (MITEs) is the manner in which their excision alters the genome. Upon excision, Stowaway-like MITEs and the associated Mariner elements usually leave behind a small duplication and short sequences from the end of the element. These small insertions or deletions known as “footprints” can potentially disrupt coding or regulatory sequences. In contrast, Tourist-like MITEs and the associated PIF/Pong/Harbinger elements generally excise precisely, returning the genome to its original state. The purpose of this study was to determine the mechanisms underlying these excision differences, including the role of the host DNA repair mechanisms

1-Chloro­methyl-1H-1,2,3-benzotriazole

In the title compound, C7H6ClN3, the benzotriazole ring is essentially planar with a maximum deviation of 0.0110 (15)Å, and makes a dihedral angle of 0.46 (8)° with the benzene ring. In the crystal, mol­ecules are linked through inter­molecular C—H⋯N hydrogen bonds, forming chains along the c axis

The Global Health System: Linking Knowledge with Action—Learning from Malaria

In the third in a series of articles on the changing nature of global health institutions, Gerald Keusch and colleagues examine institutional arrangements for malaria research

Orientation and communication of sooty tern chicks

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