Edited by Tom M. Fenchel, University of Copenhagen, Helsingor, Denmark, and approved March 25, 2015 (received for review November 2, 2014)
Edited by Tom M. Fenchel, University of Copenhagen, Helsingor, Denmark, and approved March 25, 2015 (received for review November 2, 2014)
Author contributions: J.C.F. designed research; J.C.F., M.L.S., A.A., S.I.V., D.J.S., and J.S. performed research; J.C.F., M.L.S., A.A., S.I.V., D.J.S., and J.S. analyzed data; and J.C.F. wrote the paper.
The authors declare no conflict of interest.
This article is a PNAS Direct Submission.
Data deposition: The sequences reported in this paper have been deposited in the GenBank database (accession nos. KP645203–KP645206, KP645208, KP645210–KP645214, KP645216, and KM591221).
This article contains supporting information online at www.pnas.org/lookup/suppl/doi:10.1073/pnas.1420991112/-/DCSupplemental.
