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Browsing Gwyddorau Biolegol, Amgylcheddol a Gwledig / Biological, Environmental & Rural Sciences by Title

Browsing Gwyddorau Biolegol, Amgylcheddol a Gwledig / Biological, Environmental & Rural Sciences by Title

Now showing items 1971-1990 of 5315

Evolution of gene overlaps: relative reading frame bias in prokaryotic two-component system genes

Cock, Peter J. A.; Whitworth, David E (2007-04)

During a survey of two-component system genes, a list of neighboring histidine kinase and response regulator genes, encoded on the same strand, was compiled from over 200 fully sequenced bacteria. It was observed that many ...
Evolution of plant senescence

Thomas, Howard; Huang, L.; Young, M.; Ougham, H. J. (2009-07-14)

Senescence is integral to the flowering plant life-cycle. Senescence-like processes occur also in non-angiosperm land plants, algae and photosynthetic prokaryotes. Increasing numbers of genes have been assigned functions ...
Evolution of prokaryotic two-component system signaling pathways: Gene fusions and fissions

Cock, Peter J. A.; Whitworth, David E. (2007-11-11)

Two-component systems (TCSs) are common signal transduction systems, typically comprising paired histidine protein kinase (HK) and response regulator (RR) proteins. In many examples, it appears RR and HK genes have fused, ...
Evolution of prokaryotic two-component systems: insights from comparative genomics

Whitworth, David E.; Cock, Peter J. A. (2009-09-01)

Two-component systems (TCSs) are diverse and abundant signal transduction pathways found predominantly in prokaryotes. This review focuses on insights into TCS evolution made possible by the sequencing of whole prokaryotic ...
Evolution of relative reading frame bias in unidirectional prokaryotic gene overlaps

Cock, Peter J. A.; Whitworth, David Edward (2010)

Pairs of unidirectional (same strand) genes can overlap in one of two phases (relative reading frames). There is a striking bias in the relative abundance of prokaryotic gene overlaps in the two possible phases. A simple ...
Evolution, Physiology and Phytochemistry of the Psychotoxic Arable Mimic Weed Darnel (Lolium temulentum L.)

Thomas, Howard; Archer, Jayne Elisabeth; Marggraf Turley, Richard (Springer Nature, 2011-11-22)

Darnel (Lolium temulentum L.), the subject of this review, is botanically and culturally significant because of its evolutionary origin as a mimic weed of cereals and its reputation as a source of potent psychoactive toxins. ...
Evolutionary and biophysical relationships among the papillomavirus E2 proteins

Blakaj, Dukagjin M; Fernandez-Fuentes, Narcis; Chen, Zigui; Hegde, Rashmi; Fiser, Andras; Burk, Robert D; Brenowitz, Michael (2009)

Infection by human papillomavirus (HPV) may result in clinical conditions ranging from benign warts to invasive cancer. The HPV E2 protein represses oncoprotein transcription and is required for viral replication. HPV E2 ...
Evolutionary hierarchies of conserved blocks in 5 '-noncoding sequences of dicot rbcS genes

Weeks, Katie E.; Chuzhanova, Nadia A.; Donnison, Iain S.; Scott, Ian M. (2007-04-02)

Background Evolutionary processes in gene regulatory regions are major determinants of organismal evolution, but exceptionally challenging to study. We explored the possibilities of evolutionary analysis of phylogenetic ...
Evolutionary history of barley cultivation in Europe revealed by genetic analysis of extant landraces

Jones, Huw; Civáň, Peter; Cockram, James; Leigh, Fiona J; Smith, Lydia M. J.; Jones, Martin K; Charles, Michael P; Molina-Cano, José-Luis; Powell, Wayne; Jones, Glynis; Brown, Terence A (2011-01-01)

Background Understanding the evolution of cultivated barley is important for two reasons. First, the evolutionary relationships between different landraces might provide information on the spread and subsequent development ...
Evolutionary Linguistics

McMahon, April; McMahon, Robert (Cambridge University Press, 2012-10)

How did the biological, brain and behavioural structures underlying human language evolve? When, why and where did our ancestors become linguistic animals, and what has happened since? This book provides a clear, comprehensive ...
An evolutionary modelling approach to understanding the factors behind plant invasiveness and community susceptibility to invasion

Warren, John Michael; Topping, Chris J.; James, P. (2011-06-27)

Ecologists have had limited success in understanding which introduced species may become invasive. An evolutionary model is used to investigate which traits are associated with invasiveness. Translocation experiments were ...
Evolving neural models of path integration

Vickerstaff, Robert John; Di Paolo, Ezequiel (2005-09-01)

We use a genetic algorithm to evolve neural models of path integration, with particular emphasis on reproducing the homing behaviour of Cataglyphis fortis ants. This is done within the context of a complete model system, ...
An examination of the disparity between hypothetical and actual willingness to pay using the contingent valuation method: the case of red kite conservation in the United Kingdom

Christie, Mike (2007-06-01)

This paper reports the findings of a field experiment that explores the criterion validity of the contingent valuation (CV) method. The empirical experiment examined the disparity between hypothetical and actual willingness ...
An example of microsatellite length variation in the mitochondrial genome of conifers

Soranzo, N.; Provan, J.; Powell, W. (1999-02)

In the present study, the intergenic region between the mitochondrial genes encoding subunit 3 of NADH dehydrogenase (nad3) and ribosomal protein S12 (rps12) was shown to contain a G(n) mononucleotide microsatellite repeat. ...
Exchanging murine and human immunoglobulin constant chains affects the kinetics and thermodynamics of antigen binding and chimeric antibody autoreactivity

Torres, Marcela; Fernandez-Fuentes, Narcis; Fiser, András; Casadevall, Arturo (2007)

Mouse-human chimeric antibodies composed of murine variable (V) and human (C) chains are useful therapeutic reagents. Consequently, we investigated whether heterologous C-regions from mice and humans affected specificity ...
Excreted/secreted Schistosoma mansoni venom allergen-like 9 (SmVAL9) modulates host extracellular matrix remodelling gene expression

Yoshino, Timothy P.; Brown, Martha; Wu, Xiao-Jun; Jackson, Colin John; Ocadiz-Ruiz, Ramon; Chalmers, Iain Wyllie; Kolb, Marlen; Hokke, Cornelis H.; Hoffmann, Karl Francis (2014-07)

The Schistosoma mansoni venom allergen-like (SmVAL) protein family consists of 29 members, each possessing a conserved a-b-a sandwich tertiary feature called the Sperm-coating protein/Tpx-1/Ag5/PR-1/ Sc7 (SCP/TAPS) domain. ...
Exocytosis leads and endocytosis follows the increase in growth rate in oscillating pollen tubes

McKenna, Sylvester T.; Kunkel, Joseph G.; Bosch, M.; Rounds, Caleb; Vidali, Luis; Winship, Lawrence J.; Hepler, Peter K. (2008)
Exocytosis precedes and predicts the increase in growth in oscillating pollen tubes

McKenna, Sylvester T.; Kunkel, Joseph G.; Bosch, Maurice; Rounds, Caleb M.; Vidali, Luis; Winship, Lawrence J.; Hepler, Peter K. (2009-10-27)

We examined exocytosis during oscillatory growth in lily (Lilium formosanum and Lilium longiflorum) and tobacco (Nicotiana tabacum) pollen tubes using three markers: (1) changes in cell wall thickness by Nomarski differential ...
Expanding the biomass resource : Sustainable oil production via fast pyrolysis of low input high diversity biomass and the potential integration of thermochemical and biological conversion routes

Corton, John; Donnison, Iain; Patel, Manisha; Bühle, Lutz; Hodgson, Edward; Wachendorf, Michael; Bridgwater, Anthony; Allison, Gordon; Fraser, Mariecia (2016-09-01)

Waste biomass is generated during the conservation management of semi-natural habitats, and represents an unused resource and potential bioenergy feedstock that does not compete with food production. Thermogravimetric ...
Experimental Models for the Analysis of IL-10 Function

Wynn, Thomas A.; Aliberti, Julio; Hoffmann, Karl F.; Jankovic, Dragana; Feng, Carl G.; Kullberg, Marika C.; Sher, Alan (Taylor & Francis, 2006-01-26)

his review focuses on the regulatory functions of IL-10 in the response to parasitic and bacterial infection revealed through knockout, cytokine/receptor blocking, and transgenic mouse studies. The various mechanisms that ...

Now showing items 1971-1990 of 5315

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