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Biological Sciences: Recent submissions

Now showing items 121-126 of 126

Classification of a Hypervirulent Aeromonas hydrophila Pathotype Responsible for Epidemic Outbreaks in Warm-Water Fishes 

Rasmussen-Ivey, Cody R.; Hossain, Mohammad J.; Odom, Sara E; Terhun, Jeffery S.; Hemstreet, William G; Shoemaker, Craig A; Zhang, Dunhu; Xu, De-Hai; Griffin, Matt J; Liu, Yong-Jie; Figueras, Maria J; Santos, Scott R; Newton, Joseph C; Liles, Mark R (2019-04-29)
Lineages of hypervirulent Aeromonas hydrophila (vAh) are the cause of persistent outbreaks of motile Aeromonas septicemia in warm-water fishes worldwide. Over the last decade, this virulent lineage of A. hydrophila has ...

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 ...

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 ...

Discovery and evolution of novel hemerythrin genes in annelid worms 

Costa-Paiva, Elisa M.; Whelan, Nathan V; Waits, Damien S; Santos, Scott R.; Schrago, Carlos G.; Halanych, Kenneth M. (2019-04-29)
BACKGROUND: Despite extensive study on hemoglobins and hemocyanins, little is known about hemerythrin (Hr) evolutionary history. Four subgroups of Hrs have been documented, including: circulating Hr (cHr), myohemerythrin ...

Phylogenomic analyses of Crassiclitellata support major Northern and Southern Hemisphere clades and a Pangaean origin for earthworms 

Anderson, Frank E.; Williams, Bronwyn W.; Horn, Kevin M.; Erséus, Christer; Halanych, Kenneth M.; Santos, Scott R.; James, Samuel W. (2019-04-26)
BACKGROUND: Earthworms (Crassiclitellata) are a diverse group of annelids of substantial ecological and economic importance. Earthworms are primarily terrestrial infaunal animals, and as such are probably rather poor natural ...

The influence of maternal nesting behaviour on offspring survival: evidence from correlational and cross-fostering studies 

Addis, Elizabeth; Warner, Daniel; Pruett, Jenna (2019-04-22)
The maternal effect of nesting behaviour is important in oviparous species because choice of microhabitat (e.g. shade cover, temperature) can determine the environment in which embryos develop. In turn, this maternal choice ...