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Browsing College of Sciences and Mathematics by Author "Halanych, Kenneth M"

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Biogeochemical and Microbial Variation across 5500 km of Antarctic Surface Sediment Implicates Organic Matter as a Driver of Benthic Community Structure 

Learman, Deric R; Henson, Michael W.; Thrash, J. Cameron; Temperton, Ben; Brannock, Pamela M; Santos, Scott R; Mahon, Andrew R; Halanych, Kenneth M (2019-04-29)
Western Antarctica, one of the fastest warming locations on Earth, is a unique environment that is underexplored with regards to biodiversity. Although pelagic microbial communities in the Southern Ocean and coastal Antarctic ...

Crossing the Divide: Admixture Across the Antarctic Polar Front Revealed by the Brittle Star Astrotoma agassizii 

Galaska, Matthew P; Sands, Chester J; Santos, Scott R; Mahon, Andrew R; Halanych, Kenneth M (2019-07-31)
The Antarctic Polar Front (APF) is one of the most well-defined and persistent oceanographic features on the planet and serves as a barrier to dispersal between the Southern Ocean and lower latitudes. High levels of endemism ...

Geographic structure in the Southern Ocean circumpolar brittle star Ophionotus victoriae (Ophiuridae) revealed from mtDNA and single-nucleotide polymorphism data 

Galaska, Matthew P; Sands, Chester J; Santos, Scott R; Halanych, Kenneth M; Mahon, Andrew R (2019-04-29)
Marine systems have traditionally been thought of as "open" with few barriers to gene flow. In particular, many marine organisms in the Southern Ocean purportedly possess circumpolar distributions that have rarely been ...

Nemertean toxin genes revealed through transcriptome sequencing 

Whelan, Nathan V; Kocot, Kevin M; Santos, Scott R; Halanych, Kenneth M (2019-04-29)
Nemerteans are one of few animal groups that have evolved the ability to utilize toxins for both defense and subduing prey, but little is known about specific nemertean toxins. In particular, no study has identified specific ...

Siboglinid-bacteria endosymbiosis: A model system for studying symbiotic mechanisms 

Thornhill, Daniel J; Fielman, Kevin T; Santos, Scott R; Halanych, Kenneth M (2019-04-29)
Siboglinid worms are a group of gutless marine annelids which are nutritionally dependent upon endosymbiotic bacteria.1,2 Four major groups of siboglinids are known including vestimentiferans, Osedax spp., frenulates and ...