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Browsing College of Sciences and Mathematics by Author "Santos, Scott R."

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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 ...

Multiple Colonizations Lead to Cryptic Biodiversity in an Island Ecosystem: Comparative Phylogeography of Anchialine Shrimp Species in the Ryukyu Archipelago, Japan 

Weese, David A; Fujita, Yoshihisa; Santos, Scott R.; 0000-0002-3447-4488 (2022-03-04)
Archipelagos of the Indo-West Pacific are considered to be among the richest in the world in biodiversity, and phylogeographic studies generally support either the center of origin or the center of accumulation hypothesis ...

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 ...

Variation of Morphology and Elemental Concentrations in the California Nickel Hyperaccumulator Streptanthus polygaloides (Brassicaceae) 

Boyd, Robert S.; Wall, Michael A.; Santos, Scott R.; Davis, Michael A. (2021-01-04)
The Ni hyperaccumulator Strepthanthus polygaloides (Brassicaceae) is one of a handful of Ni hyperaccumulators known from continental North America. Surveys have revealed four distinctive morphs of this species, relying ...