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Showing 1 to 12 of 330 entries
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Identification of New Resistance Loci to African Stem Rust Race TTKSK in Tetraploid Wheats Based on Linkage and Genome-Wide Association Mapping.

Frontiers in plant science

Laidò G, Panio G, Marone D, Russo MA, Ficco DB, Giovanniello V, Cattivelli L, Steffenson B, de Vita P, Mastrangelo AM.
PMID: 26697025
Front Plant Sci. 2015 Dec 09;6:1033. doi: 10.3389/fpls.2015.01033. eCollection 2015.

Stem rust, caused by Puccinia graminis Pers. f. sp. tritici Eriks. and E. Henn. (Pgt), is one of the most destructive diseases of wheat. Races of the pathogen in the "Ug99 lineage" are of international concern due to their...

Partitioning the metabolic scope: the importance of anaerobic metabolism and implications for the oxygen- and capacity-limited thermal tolerance (OCLTT) hypothesis.

Conservation physiology

Ejbye-Ernst R, Michaelsen TY, Tirsgaard B, Wilson JM, Jensen LF, Steffensen JF, Pertoldi C, Aarestrup K, Svendsen JC.
PMID: 27293766
Conserv Physiol. 2016 Jun 03;4(1):cow019. doi: 10.1093/conphys/cow019. eCollection 2016.

Ongoing climate change is predicted to affect the distribution and abundance of aquatic ectotherms owing to increasing constraints on organismal physiology, in particular involving the metabolic scope (MS) available for performance and fitness. The oxygen- and capacity-limited thermal tolerance...

Effects of diet on spontaneous locomotor activity and oxygen consumption in Adriatic sturgeon (Acipenser naccarii).

Fish physiology and biochemistry

McKenzie DJ, Piraccini G, Steffensen JF, Bolis CL, Bronzi P, Taylor EW.
PMID: 24197526
Fish Physiol Biochem. 1995 Oct;14(5):341-55. doi: 10.1007/BF00003373.

Adriatic sturgeon (Acipenser naccarii) were maintained on a commercial diet enriched either in long chain polyunsaturated fatty acids of the ω3 series (ω3 LCPUFA) or in saturated fatty acids (SFA). The effects of dietary fatty acid composition on spontaneous...

Intraspecific variation in aerobic and anaerobic locomotion: gilthead sea bream (Sparus aurata) and Trinidadian guppy (Poecilia reticulata) do not exhibit a trade-off between maximum sustained swimming speed and minimum cost of transport.

Frontiers in physiology

Svendsen JC, Tirsgaard B, Cordero GA, Steffensen JF.
PMID: 25741285
Front Physiol. 2015 Feb 17;6:43. doi: 10.3389/fphys.2015.00043. eCollection 2015.

Intraspecific variation and trade-off in aerobic and anaerobic traits remain poorly understood in aquatic locomotion. Using gilthead sea bream (Sparus aurata) and Trinidadian guppy (Poecilia reticulata), both axial swimmers, this study tested four hypotheses: (1) gait transition from steady...

Fish swimming in schools save energy regardless of their spatial position.

Behavioral ecology and sociobiology

Marras S, Killen SS, Lindström J, McKenzie DJ, Steffensen JF, Domenici P.
PMID: 25620833
Behav Ecol Sociobiol. 2015;69:219-226. doi: 10.1007/s00265-014-1834-4. Epub 2014 Oct 30.

For animals, being a member of a group provides various advantages, such as reduced vulnerability to predators, increased foraging opportunities and reduced energetic costs of locomotion. In moving groups such as fish schools, there are benefits of group membership...

Endometrial Resection and Late Reoperation in the Treatment of Menorrhagia.

The Journal of the American Association of Gynecologic Laparoscopists

Steffensen AJ, Schuster M.
PMID: 9074242
J Am Assoc Gynecol Laparosc. 1996 Aug;3(4):S48. doi: 10.1016/s1074-3804(96)80298-2.

We evaluated the effectiveness of transcervical resection of the endometrium (TCRE) and the indications of late reoperations in 250 women with dysfunctional bleeding. The women were questioned about symptoms and levels of satisfaction 3, 12, 24, 36, and 48...

A barley gene family homologous to the maize rust resistance gene Rp1-D.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Rostoks N, Zale M, Soule J, Brueggeman R, Druka A, Kudrna D, Steffenson B, Kleinhofs A.
PMID: 12582584
Theor Appl Genet. 2002 Jun;104(8):1298-1306. doi: 10.1007/s00122-002-0902-8. Epub 2002 May 08.

Many characterized plant disease resistance genes encode proteins which have conserved motifs such as the nucleotide binding site. Conservation extends across different species, therefore resistance genes from one species can be used to isolate homologous regions from another by...

[Therapy of hypertension].

Maanedsskrift for praktisk laegegerning og social Medicin

STEFFENSEN KA.
PMID: 13368638
Manedsskr Prakt Laegegern. 1956 Sep;34(9):387-94.

No abstract available.

High-resolution record of Northern Hemisphere climate extending into the last interglacial period.

Nature

Andersen KK, Azuma N, Barnola JM, Bigler M, Biscaye P, Caillon N, Chappellaz J, Clausen HB, Dahl-Jensen D, Fischer H, Flückiger J, Fritzsche D, Fujii Y, Goto-Azuma K, Grønvold K, Gundestrup NS, Hansson M, Huber C, Hvidberg CS, Johnsen SJ, Jonsell U, Jouzel J, Kipfstuhl S, Landais A, Leuenberger M, Lorrain R, Masson-Delmotte V, Miller H, Motoyama H, Narita H, Popp T, Rasmussen SO, Raynaud D, Rothlisberger R, Ruth U, Samyn D, Schwander J, Shoji H, Siggard-Andersen ML, Steffensen JP, Stocker T, Sveinbjörnsdóttir AE, Svensson A, Takata M, Tison JL, Thorsteinsson T, Watanabe O, Wilhelms F, White JW.
PMID: 15356621
Nature. 2004 Sep 09;431(7005):147-51. doi: 10.1038/nature02805.

Two deep ice cores from central Greenland, drilled in the 1990s, have played a key role in climate reconstructions of the Northern Hemisphere, but the oldest sections of the cores were disturbed in chronology owing to ice folding near...

Dust-climate couplings over the past 800,000 years from the EPICA Dome C ice core.

Nature

Lambert F, Delmonte B, Petit JR, Bigler M, Kaufmann PR, Hutterli MA, Stocker TF, Ruth U, Steffensen JP, Maggi V.
PMID: 18385736
Nature. 2008 Apr 03;452(7187):616-9. doi: 10.1038/nature06763.

Dust can affect the radiative balance of the atmosphere by absorbing or reflecting incoming solar radiation; it can also be a source of micronutrients, such as iron, to the ocean. It has been suggested that production, transport and deposition...

Proteins of Sperm Nuclei Examined by Autoradiography at Fertilization and Subsequent Nuclear Divisions in Lilium.

Genetics

Steffensen DM.
PMID: 17248273
Genetics. 1965 Sep;52(3):631-41. doi: 10.1093/genetics/52.3.631.

No abstract available.

An analysis of the energetic cost of the branchial and cardiac pumps during sustained swimming in trout.

Fish physiology and biochemistry

Farrell AP, Steffensen JF.
PMID: 24226146
Fish Physiol Biochem. 1987 Sep;4(2):73-9. doi: 10.1007/BF02044316.

Experimental data are available for the oxygen cost of the branchial and cardiac pumps in fish. These data were used to theoretically analyze the relative oxygen cost of these pumps during rest and swimming in rainbow troutSalmo gairdneri. Efficiency...

Showing 1 to 12 of 330 entries