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Physiological and behavioral responses as indicators for early disease detection in dairy calves.

Lowe GL, Sutherland MA, Waas JR, Schaefer AL, Cox NR, Stewart M.

J Dairy Sci. 2019 Jun;102(6):5389-5402. doi: 10.3168/jds.2018-15701. Epub 2019 Apr 17.


Infrared thermography and behavioral biometrics associated with estrus indicators and ovulation in estrus-synchronized dairy cows housed in tiestalls.

Perez Marquez HJ, Ambrose DJ, Schaefer AL, Cook NJ, Bench CJ.

J Dairy Sci. 2019 May;102(5):4427-4440. doi: 10.3168/jds.2018-15221. Epub 2019 Mar 15.


Social cheating in a Pseudomonas aeruginosa quorum-sensing variant.

Chen R, Déziel E, Groleau MC, Schaefer AL, Greenberg EP.

Proc Natl Acad Sci U S A. 2019 Apr 2;116(14):7021-7026. doi: 10.1073/pnas.1819801116. Epub 2019 Mar 7.


Modulation of Pseudomonas aeruginosa Quorum Sensing by Glutathione.

Zhou H, Wang M, Smalley NE, Kostylev M, Schaefer AL, Greenberg EP, Dandekar AA, Xu F.

J Bacteriol. 2019 Apr 9;201(9). pii: e00685-18. doi: 10.1128/JB.00685-18. Print 2019 May 1.


Interspecies Chemical Signaling in a Methane-Oxidizing Bacterial Community.

Puri AW, Liu D, Schaefer AL, Yu Z, Pesesky MW, Greenberg EP, Lidstrom ME.

Appl Environ Microbiol. 2019 Mar 22;85(7). pii: e02702-18. doi: 10.1128/AEM.02702-18. Print 2019 Apr 1.


Relationship between residual feed intake and radiated heat loss using infrared thermography in young beef bulls.

Thompson S, Schaefer AL, Crow GH, Basarab J, Colyn J, Ominski K.

J Therm Biol. 2018 Dec;78:304-311. doi: 10.1016/j.jtherbio.2018.10.007. Epub 2018 Oct 19.


Energy utilization in cattle with steady state and non-steady state methods: the importance of thermal neutrality.

Schaefer AL, Ominski K, Thompson S, Crow G, Bench C, Colyn J, Rodas-Gonzalez A, Maharjan D, Bollum R, Cook NJ, Basarab J, von Gaza H.

Heliyon. 2018 Oct 5;4(10):e00843. doi: 10.1016/j.heliyon.2018.e00843. eCollection 2018 Oct.


A plant-responsive bacterial-signaling system senses an ethanolamine derivative.

Coutinho BG, Mevers E, Schaefer AL, Pelletier DA, Harwood CS, Clardy J, Greenberg EP.

Proc Natl Acad Sci U S A. 2018 Sep 25;115(39):9785-9790. doi: 10.1073/pnas.1809611115. Epub 2018 Sep 6.


The Pseudomonas aeruginosa Orphan Quorum Sensing Signal Receptor QscR Regulates Global Quorum Sensing Gene Expression by Activating a Single Linked Operon.

Ding F, Oinuma KI, Smalley NE, Schaefer AL, Hamwy O, Greenberg EP, Dandekar AA.

MBio. 2018 Aug 28;9(4). pii: e01274-18. doi: 10.1128/mBio.01274-18.


An aryl-homoserine lactone quorum-sensing signal produced by a dimorphic prosthecate bacterium.

Liao L, Schaefer AL, Coutinho BG, Brown PJB, Greenberg EP.

Proc Natl Acad Sci U S A. 2018 Jul 17;115(29):7587-7592. doi: 10.1073/pnas.1808351115. Epub 2018 Jul 2.


Kissing nevus of the penis: a case report and dermatoscopic findings.

Godinho N, Nai GA, Schaefer ALF, Schaefer LV.

An Bras Dermatol. 2017;92(5 Suppl 1):95-97. doi: 10.1590/abd1806-4841.20175574.


"Hot Stuff": The Many Uses of a Radiolabel Assay in Detecting Acyl-Homoserine Lactone Quorum-Sensing Signals.

Schaefer AL, Harwood CS, Greenberg EP.

Methods Mol Biol. 2018;1673:35-47. doi: 10.1007/978-1-4939-7309-5_3.


Gene Duplication in Pseudomonas aeruginosa Improves Growth on Adenosine.

Toussaint JP, Farrell-Sherman A, Feldman TP, Smalley NE, Schaefer AL, Greenberg EP, Dandekar AA.

J Bacteriol. 2017 Oct 3;199(21). pii: e00261-17. doi: 10.1128/JB.00261-17. Print 2017 Nov 1.


The automated analysis of clustering behaviour of piglets from thermal images in response to immune challenge by vaccination.

Cook NJ, Bench CJ, Liu T, Chabot B, Schaefer AL.

Animal. 2018 Jan;12(1):122-133. doi: 10.1017/S1751731117001239. Epub 2017 Jun 15.


The use of infrared thermography and accelerometers for remote monitoring of dairy cow health and welfare.

Stewart M, Wilson MT, Schaefer AL, Huddart F, Sutherland MA.

J Dairy Sci. 2017 May;100(5):3893-3901. doi: 10.3168/jds.2016-12055. Epub 2017 Mar 2.


Quorum Sensing in a Methane-Oxidizing Bacterium.

Puri AW, Schaefer AL, Fu Y, Beck DAC, Greenberg EP, Lidstrom ME.

J Bacteriol. 2017 Feb 14;199(5). pii: e00773-16. doi: 10.1128/JB.00773-16. Print 2017 Mar 1.


A LuxR Homolog in a Cottonwood Tree Endophyte That Activates Gene Expression in Response to a Plant Signal or Specific Peptides.

Schaefer AL, Oda Y, Coutinho BG, Pelletier DA, Weiburg J, Venturi V, Greenberg EP, Harwood CS.

MBio. 2016 Aug 2;7(4). pii: e01101-16. doi: 10.1128/mBio.01101-16.


The Role of Infrared Thermography as a Non-Invasive Tool for the Detection of Lameness in Cattle.

Alsaaod M, Schaefer AL, Büscher W, Steiner A.

Sensors (Basel). 2015 Jun 18;15(6):14513-25. doi: 10.3390/s150614513. Review.


Quorum sensing and policing of Pseudomonas aeruginosa social cheaters.

Wang M, Schaefer AL, Dandekar AA, Greenberg EP.

Proc Natl Acad Sci U S A. 2015 Feb 17;112(7):2187-91. doi: 10.1073/pnas.1500704112. Epub 2015 Feb 2.


Infrared thermography detects febrile and behavioural responses to vaccination of weaned piglets.

Cook NJ, Chabot B, Lui T, Bench CJ, Schaefer AL.

Animal. 2015 Feb;9(2):339-46. doi: 10.1017/S1751731114002481. Epub 2014 Oct 2.


Detection of a parasitic amoeba (Order Dactylopodida) in the female gonads of oysters in Brazil.

Sühnel S, Ivachuk Cda S, Schaefer AL, Pontinha VA, Martins ML, Figueras A, Meyer GR, Jones SR, Stewart JC, Gurney-Smith HJ, Magalhães AR, Bower SM.

Dis Aquat Organ. 2014 Jul 3;109(3):241-50. doi: 10.3354/dao02748.


Carcass yields and meat quality characteristics of adult emus (Dromaius novaehollandiae) transported for 6h before slaughter.

Menon DG, Bennett DC, Uttaro B, Schaefer AL, Cheng KM.

Meat Sci. 2014 Oct;98(2):240-6. doi: 10.1016/j.meatsci.2014.05.027. Epub 2014 Jun 8.


Transportation stress and the incidence of exertional rhabdomyolysis in emus (Dromaius novaehollandiae).

Menon DG, Bennett DC, Schaefer AL, Cheng KM.

Poult Sci. 2014 Feb;93(2):273-84. doi: 10.3382/ps.2013-03260.


Influence of environmental factors on infrared eye temperature measurements in cattle.

Church JS, Hegadoren PR, Paetkau MJ, Miller CC, Regev-Shoshani G, Schaefer AL, Schwartzkopf-Genswein KS.

Res Vet Sci. 2014 Feb;96(1):220-6. doi: 10.1016/j.rvsc.2013.11.006. Epub 2013 Nov 19.


Transport versus on-farm slaughter of bison: physiological stress, animal welfare, and avoidable trim losses.

McCorkell R, Wynne-Edwards K, Galbraith J, Schaefer A, Caulkett N, Boysen S, Pajor E; UCVM Class of 2012.

Can Vet J. 2013 Aug;54(8):769-74.


Using eye temperature and heart rate for stress assessment in young horses competing in jumping competitions and its possible influence on sport performance.

Bartolomé E, Sánchez MJ, Molina A, Schaefer AL, Cervantes I, Valera M.

Animal. 2013 Dec;7(12):2044-53. doi: 10.1017/S1751731113001626. Epub 2013 Sep 26.


LuxR- and luxI-type quorum-sensing circuits are prevalent in members of the Populus deltoides microbiome.

Schaefer AL, Lappala CR, Morlen RP, Pelletier DA, Lu TY, Lankford PK, Harwood CS, Greenberg EP.

Appl Environ Microbiol. 2013 Sep;79(18):5745-52. doi: 10.1128/AEM.01417-13. Epub 2013 Jul 12.


Prophylactic nitric oxide treatment reduces incidence of bovine respiratory disease complex in beef cattle arriving at a feedlot.

Regev-Shoshani G, Church JS, Cook NJ, Schaefer AL, Miller C.

Res Vet Sci. 2013 Oct;95(2):606-11. doi: 10.1016/j.rvsc.2013.06.016. Epub 2013 Jul 11.


Use of infrared ocular thermography to assess physiological conditions of pigs prior to slaughter and predict pork quality variation.

Weschenfelder AV, Saucier L, Maldague X, Rocha LM, Schaefer AL, Faucitano L.

Meat Sci. 2013 Nov;95(3):616-20. doi: 10.1016/j.meatsci.2013.06.003. Epub 2013 Jun 10.


Antisense RNA that affects Rhodopseudomonas palustris quorum-sensing signal receptor expression.

Hirakawa H, Harwood CS, Pechter KB, Schaefer AL, Greenberg EP.

Proc Natl Acad Sci U S A. 2012 Jul 24;109(30):12141-6. doi: 10.1073/pnas.1200243109. Epub 2012 Jul 9.


Squid-derived chitin oligosaccharides are a chemotactic signal during colonization by Vibrio fischeri.

Mandel MJ, Schaefer AL, Brennan CA, Heath-Heckman EA, Deloney-Marino CR, McFall-Ngai MJ, Ruby EG.

Appl Environ Microbiol. 2012 Jul;78(13):4620-6. doi: 10.1128/AEM.00377-12. Epub 2012 Apr 20.


Anaerobic p-coumarate degradation by Rhodopseudomonas palustris and identification of CouR, a MarR repressor protein that binds p-coumaroyl coenzyme A.

Hirakawa H, Schaefer AL, Greenberg EP, Harwood CS.

J Bacteriol. 2012 Apr;194(8):1960-7. doi: 10.1128/JB.06817-11. Epub 2012 Feb 10.


Periodic 48 h feed withdrawal improves glucose tolerance in growing pigs by enhancing adipogenesis and lipogenesis.

Mir PS, He ML, Travis G, Entz T, McAllister T, Marchand S, Schaefer A, Meadus J, Lepage P, Okine E, Dodson MV.

Nutr Metab (Lond). 2012 Feb 9;9(1):10. doi: 10.1186/1743-7075-9-10.


The non-invasive and automated detection of bovine respiratory disease onset in receiver calves using infrared thermography.

Schaefer AL, Cook NJ, Bench C, Chabot JB, Colyn J, Liu T, Okine EK, Stewart M, Webster JR.

Res Vet Sci. 2012 Oct;93(2):928-35. doi: 10.1016/j.rvsc.2011.09.021. Epub 2011 Nov 3.


Isovaleryl-homoserine lactone, an unusual branched-chain quorum-sensing signal from the soybean symbiont Bradyrhizobium japonicum.

Lindemann A, Pessi G, Schaefer AL, Mattmann ME, Christensen QH, Kessler A, Hennecke H, Blackwell HE, Greenberg EP, Harwood CS.

Proc Natl Acad Sci U S A. 2011 Oct 4;108(40):16765-70. doi: 10.1073/pnas.1114125108. Epub 2011 Sep 26.


Aryl-homoserine lactone quorum sensing in stem-nodulating photosynthetic bradyrhizobia.

Ahlgren NA, Harwood CS, Schaefer AL, Giraud E, Greenberg EP.

Proc Natl Acad Sci U S A. 2011 Apr 26;108(17):7183-8. doi: 10.1073/pnas.1103821108. Epub 2011 Apr 6.


Activity of the Rhodopseudomonas palustris p-coumaroyl-homoserine lactone-responsive transcription factor RpaR.

Hirakawa H, Oda Y, Phattarasukol S, Armour CD, Castle JC, Raymond CK, Lappala CR, Schaefer AL, Harwood CS, Greenberg EP.

J Bacteriol. 2011 May;193(10):2598-607. doi: 10.1128/JB.01479-10. Epub 2011 Mar 4.


Technical note: Effects of an epinephrine infusion on eye temperature and heart rate variability in bull calves.

Stewart M, Webster JR, Stafford KJ, Schaefer AL, Verkerk GA.

J Dairy Sci. 2010 Nov;93(11):5252-7. doi: 10.3168/jds.2010-3448.


Noninvasive assessment of autonomic activity for evaluation of pain in calves, using surgical castration as a model.

Stewart M, Verkerk GA, Stafford KJ, Schaefer AL, Webster JR.

J Dairy Sci. 2010 Aug;93(8):3602-9. doi: 10.3168/jds.2010-3114.


A unique regulator controls the activation threshold of quorum-regulated genes in Pseudomonas aeruginosa.

Siehnel R, Traxler B, An DD, Parsek MR, Schaefer AL, Singh PK.

Proc Natl Acad Sci U S A. 2010 Apr 27;107(17):7916-21. doi: 10.1073/pnas.0908511107. Epub 2010 Apr 8.


Transcriptional patterns in both host and bacterium underlie a daily rhythm of anatomical and metabolic change in a beneficial symbiosis.

Wier AM, Nyholm SV, Mandel MJ, Massengo-Tiassé RP, Schaefer AL, Koroleva I, Splinter-Bondurant S, Brown B, Manzella L, Snir E, Almabrazi H, Scheetz TE, Bonaldo Mde F, Casavant TL, Soares MB, Cronan JE, Reed JL, Ruby EG, McFall-Ngai MJ.

Proc Natl Acad Sci U S A. 2010 Feb 2;107(5):2259-64. doi: 10.1073/pnas.0909712107. Epub 2010 Jan 19.


Comparisons among serum, egg albumin and yolk concentrations of corticosterone as biomarkers of basal and stimulated adrenocortical activity of laying hens.

Cook NJ, Renema R, Wilkinson C, Schaefer AL.

Br Poult Sci. 2009 Sep;50(5):620-33. doi: 10.1080/00071660903147424.


Pain mitigation after band castration of beef calves and its effects on performance, behavior, Escherichia coli, and salivary cortisol.

González LA, Schwartzkopf-Genswein KS, Caulkett NA, Janzen E, McAllister TA, Fierheller E, Schaefer AL, Haley DB, Stookey JM, Hendrick S.

J Anim Sci. 2010 Feb;88(2):802-10. doi: 10.2527/jas.2008-1752. Epub 2009 Oct 23.


Role of flagella in virulence of the coral pathogen Vibrio coralliilyticus.

Meron D, Efrony R, Johnson WR, Schaefer AL, Morris PJ, Rosenberg E, Greenberg EP, Banin E.

Appl Environ Microbiol. 2009 Sep;75(17):5704-7. doi: 10.1128/AEM.00198-09. Epub 2009 Jul 10.


Effects of local anesthetic and a nonsteroidal antiinflammatory drug on pain responses of dairy calves to hot-iron dehorning.

Stewart M, Stookey JM, Stafford KJ, Tucker CB, Rogers AR, Dowling SK, Verkerk GA, Schaefer AL, Webster JR.

J Dairy Sci. 2009 Apr;92(4):1512-9. doi: 10.3168/jds.2008-1578.


Microwave synthesis and evaluation of phenacylhomoserine lactones as anticancer compounds that minimally activate quorum sensing pathways in Pseudomonas aeruginosa.

Oliver CM, Schaefer AL, Greenberg EP, Sufrin JR.

J Med Chem. 2009 Mar 26;52(6):1569-75. doi: 10.1021/jm8015377.


Multiple genome sequences reveal adaptations of a phototrophic bacterium to sediment microenvironments.

Oda Y, Larimer FW, Chain PS, Malfatti S, Shin MV, Vergez LM, Hauser L, Land ML, Braatsch S, Beatty JT, Pelletier DA, Schaefer AL, Harwood CS.

Proc Natl Acad Sci U S A. 2008 Nov 25;105(47):18543-8. doi: 10.1073/pnas.0809160105. Epub 2008 Nov 19.


A new class of homoserine lactone quorum-sensing signals.

Schaefer AL, Greenberg EP, Oliver CM, Oda Y, Huang JJ, Bittan-Banin G, Peres CM, Schmidt S, Juhaszova K, Sufrin JR, Harwood CS.

Nature. 2008 Jul 31;454(7204):595-9. doi: 10.1038/nature07088. Epub 2008 Jun 18.


Eye temperature and heart rate variability of calves disbudded with or without local anaesthetic.

Stewart M, Stafford KJ, Dowling SK, Schaefer AL, Webster JR.

Physiol Behav. 2008 Mar 18;93(4-5):789-97. doi: 10.1016/j.physbeh.2007.11.044. Epub 2007 Dec 4.


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