In This Issue - pv

doi:10.1038/nchembio0906-v

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The English patients - p443

doi:10.1038/nchembio0906-443

A required course in communication at the graduate school level may help cure the disorder of poor scientific writing.

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Strength in diversity: a cross-disciplinary approach to graduate training in chemical biology - pp445 - 448

John Silvius

doi:10.1038/nchembio0906-445

Chemical biology graduate programs that are jointly organized by chemistry and life science departments can offer a stimulating 'bicultural' training environment for students from diverse backgrounds. However, communication, flexibility and responsiveness are crucial for effectively structuring such programs.

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Synthetic sugars enhance the functional glycomics toolkit - pp449 - 450

Jeremy E Turnbull & Robert J Linhardt

doi:10.1038/nchembio0906-449

Glycosaminoglycan-protein interactions are an important frontier for discovering new mechanisms of cellular regulation by complex sugars. The integration of the 'chemical glycomics' strategies of synthetic chemistry, arrays and biological assays shows that the precise pattern of sugar sulfation dictates the specificity of a sugar's function.

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See also: Letter by Gama et al.

A type III PKS makes the DIFference - pp451 - 452

Rajan Sankaranarayanan

doi:10.1038/nchembio0906-451

Differentiation-inducing factor 1 is a modified polyketide natural product involved in the differentiation of Dictyostelium discoideum cells. A new study shows that a type III polyketide synthase existing in an unusual association with type I fatty acid synthase domains is responsible for biosynthesis of this signaling compound.

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See also: Article by Austin et al.

Copper and nitric oxide meet in the plasma - pp452 - 453

Tamika K Samuel & Jonathan D Gitlin

doi:10.1038/nchembio0906-452

Nitrite is an inorganic anion essential in cell signaling and vascular biology. A new study shows that the multicopper oxidase ceruloplasmin is critical for maintaining plasma nitrite, revealing a new link between copper and nitric oxide homeostasis.

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See also: Article by Shiva et al.

Charging the batteries to heal wounds through PI3K - pp453 - 455

Bart Vanhaesebroeck

doi:10.1038/nchembio0906-453

Endogenous electric fields in wounds have been documented for centuries, but they have received little attention from the scientific community. A new study shows that manipulation of these electric fields affects wound healing in vivo and identifies the phosphoinositide 3-kinase signaling pathway as a key component of cell migration in response to electric cues.

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One-way traffic control in replication termination - pp455 - 456

Karsten Theis

doi:10.1038/nchembio0906-455

Tus proteins bound to multiple ter sequences on DNA determine the site of DNA replication termination in Escherichia coli. Biochemical and structural studies reveal how the Tus–ter complex arrests replication forks in a direction-sensitive manner.

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Research Highlights - p457

doi:10.1038/nchembio0906-457

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