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Sean M Callahan

Explore the profile of Sean M Callahan including associated specialties, affiliations and a list of published articles. Areas
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Articles 43
Citations 639
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Recent Articles
11.
Beurmann S, Ushijima B, Svoboda C, Videau P, Smith A, Donachie S, et al.
Int J Syst Evol Microbiol . 2017 Aug; 67(8):2683-2688. PMID: 28792373
A Gram-stain-negative, motile, rod-shaped bacterium designated OCN003T was cultivated from mucus taken from a diseased colony of the coral Montipora capitata in Kāne'ohe Bay, O'ahu, Hawai'i. Colonies of OCN003T were...
12.
Beurmann S, Runyon C, Videau P, Callahan S, Aeby G
Dis Aquat Organ . 2017 Mar; 123(2):173-179. PMID: 28262637
Coral colonies in Kāne'ohe Bay, Hawai'i (USA), are afflicted with the tissue loss disease chronic Montipora white syndrome (cMWS). Here we show that removal of chronic disease lesions is a...
13.
Ushijima B, Videau P, Poscablo D, Stengel J, Beurmann S, Burger A, et al.
Environ Microbiol . 2016 Jun; 18(11):4055-4067. PMID: 27348808
Thermal stress increases the incidence of coral disease, which is predicted to become more common with climate change, even on pristine reefs such as those surrounding Palmyra Atoll in the...
14.
Shore-Maggio A, Runyon C, Ushijima B, Aeby G, Callahan S
Appl Environ Microbiol . 2015 Aug; 81(20):7312-8. PMID: 26253663
Corals harbor diverse bacterial associations that contribute to the health of the host. Using 16S rRNA pyrosequencing, we compared the bacterial communities of red and orange morphs of the Hawaiian...
15.
Videau P, Rivers O, Higa K, Callahan S
J Bacteriol . 2015 Jun; 197(16):2685-93. PMID: 26055115
Unlabelled: In the filamentous cyanobacterium Anabaena, patS and hetN encode peptide-derived signals with many of the properties of morphogens. These signals regulate the formation of a periodic pattern of heterocysts...
16.
Aeby G, Work T, Runyon C, Shore-Maggio A, Ushijima B, Videau P, et al.
PLoS One . 2015 Mar; 10(3):e0120853. PMID: 25774800
A high number of coral colonies, Montipora spp., with progressive tissue loss were reported from the north shore of Kaua'i by a member of the Eyes of the Reef volunteer...
17.
Beurmann S, Videau P, Ushijima B, Smith A, Aeby G, Callahan S, et al.
Genome Announc . 2015 Jan; 3(1). PMID: 25593253
Pseudoalteromonas sp. strain OCN003 is a marine gammaproteobacterium that was isolated from a diseased colony of the common Hawaiian reef coral, Montipora capitata, found on a reef surrounding Moku o...
18.
Ushijima B, Videau P, Poscablo D, Vine V, Salcedo M, Aeby G, et al.
Genome Announc . 2014 Dec; 2(6). PMID: 25523774
Vibrio coralliilyticus is a marine gammaproteobacterium that has been implicated as an etiological agent of disease for multiple coral genera on reefs worldwide. We report the complete genome of V. ...
19.
Videau P, Cozy L, Young J, Ushijima B, Oshiro R, Rivers O, et al.
J Bacteriol . 2014 Nov; 197(2):362-70. PMID: 25384479
Levels of 2-oxoglutarate (2-OG) reflect nitrogen status in many bacteria. In heterocystous cyanobacteria, a spike in the 2-OG level occurs shortly after the removal of combined nitrogen from cultures and...
20.
Rivers O, Videau P, Callahan S
Mol Microbiol . 2014 Oct; 94(6):1260-71. PMID: 25336355
Formation and maintenance of a periodic pattern of nitrogen-fixing cells called heterocysts by the filamentous cyanobacterium Anabaena sp. strain PCC 7120 is dependent on regulators encoded by patS and hetN....