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Articles 1 - 9 of 9
Full-Text Articles in Life Sciences
Hybridization Of Dna By Sequential Immobilization Of Oligonucleotides At The Air-Water Interface, Murali Sastry, Vidya Ramakrishnan, Mrunalini Pattarkine, Anand Gole, K. N. Ganesh
Hybridization Of Dna By Sequential Immobilization Of Oligonucleotides At The Air-Water Interface, Murali Sastry, Vidya Ramakrishnan, Mrunalini Pattarkine, Anand Gole, K. N. Ganesh
Faculty Works
The hybridization of DNA by sequential electrostatic and hydrogen-bonding immobilization of single-stranded complementary oligonucleotides at the air-water interface with cationic Langmuir monolayers is demonstrated. The complexation of the single-stranded DNA molecules with octadecylamine (ODA) Langmuir monolayers was followed in time by monitoring the pressure-area isotherms. A large (and slow) expansion of the ODA monolayer was observed during each stage of complexation in the following sequence: primary single-stranded DNA followed by complementary single-stranded DNA followed by the intercalator, ethidium bromide. Langmuir-Blodgett (LB) films of the ODA-DNA complex were formed on different substrates and characterized using quartz-crystal microgravimetry (QCM), Fourier transform infrared …
Effects Of Genetic Type And Protein Levels On Growth Of Swine, O.W. Robison, L. L. Christian, R. Goodwin, R. K. Johnson, J. W. Mabry, R. K. Miller, M. D. Tokach
Effects Of Genetic Type And Protein Levels On Growth Of Swine, O.W. Robison, L. L. Christian, R. Goodwin, R. K. Johnson, J. W. Mabry, R. K. Miller, M. D. Tokach
Department of Animal Science: Faculty Publications
A total of 1,588 pigs representing six genetic lines were included in this study. These lines were selected to represent a wide range of biological types for appetite, rate and composition of gain, and meat quality traits. Each line was fed four different diets differing in lysine content. Barrows and gilts were used in the experiment, and pigs were randomly assigned to come off test at one of three weights (113.6, 131.8, or 150 kg). Rates of increase in weight, backfat thickness, and longissimus muscle area were essentially linear. Genetic type and diet influenced (P < .05) rates of change in weight, backfat thickness, and longissimus muscle area and 10th rib fat depth, carcass longissimus muscle area, and dressing percentage. Genetic type × diet interactions were significant for weight change and 10th rib fat. As off-test-weight class increased fat and longissimus muscle area increased in linear fashion. In general, interactions associated with diet resulted from feeding the diet lowest in lysine. There was little evidence of genetic type × diet interactions. If those interactions that tested significant are real, they are a result of extremes in both genetic type (high fatness) and lysine level (low). Slaughtering pigs at heavier weights results in no change in rate of gain over the feeding period and linear increases in longissimus muscle area and backfat thickness.
Genetic Correlations For Daily Gain Between Ram And Ewe Lambs Fed In Feedlot Conditions And Ram Lambs Fed In Pinpointer Units, L. Dale Van Vleck, Kreg A. Leymaster, Thomas G. Jenkins
Genetic Correlations For Daily Gain Between Ram And Ewe Lambs Fed In Feedlot Conditions And Ram Lambs Fed In Pinpointer Units, L. Dale Van Vleck, Kreg A. Leymaster, Thomas G. Jenkins
Department of Animal Science: Faculty Publications
When performance is recorded in automated facilities that measure feed intake of individual lambs that are penned in a group, such as Pinpointer units, a legitimate question is the degree to which daily gain is genetically correlated with daily gain achieved under feedlot conditions. Lambs were from a composite population (½Columbia, ¼ Suffolk, and ¼ Hampshire germplasm) and of the F2 or more advanced generations. Data were daily gains of 1,101 rams (PR) fed in Pinpointer units (11 to 17 wk of age) and 2,021 rams (FR) and 3,513 ewes (FE) fed under feedlot conditions (9- or 10-wk period …
Crop Updates 2000 - Weeds, Vanessa Stewart, David Minkey, Abul Hashem, Glen Riethmuller, Martin Harries, Peter Newman, Cameron Weeks, Harmohinder S. Dhammu, Aik Cheam, David Bowran, Terry Piper, Alexandra Wallace, Bill Roy, Keith L. Devenish, Lisa J. Leaver, Brad Rayner, Mike Collins, Marta Monardino, David Pannell, Stephen Powles, Sally Peltzer, Michael Walsh, Charles Boyle, P. Neve, D. Lorraine-Colwill, C. Preston, Art Diggle, Rick Llewellyn, Ryan Duane, Siew Lee, David Nicholson, Peter Carlton, Stewart Smith, Bill Crabtree, Gordon Cumming, David Cameron, Mike Jackson, Scott Paton, John R. Peirce, Greg Shea
Crop Updates 2000 - Weeds, Vanessa Stewart, David Minkey, Abul Hashem, Glen Riethmuller, Martin Harries, Peter Newman, Cameron Weeks, Harmohinder S. Dhammu, Aik Cheam, David Bowran, Terry Piper, Alexandra Wallace, Bill Roy, Keith L. Devenish, Lisa J. Leaver, Brad Rayner, Mike Collins, Marta Monardino, David Pannell, Stephen Powles, Sally Peltzer, Michael Walsh, Charles Boyle, P. Neve, D. Lorraine-Colwill, C. Preston, Art Diggle, Rick Llewellyn, Ryan Duane, Siew Lee, David Nicholson, Peter Carlton, Stewart Smith, Bill Crabtree, Gordon Cumming, David Cameron, Mike Jackson, Scott Paton, John R. Peirce, Greg Shea
Crop Updates
This session covers thirty six papers from different authors:
INTRODUCTION, Vanessa Stewart Agriculture Western Australia
INTEGRATED WEED MANAGEMENT
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Effect of seeding density, row spacing and Trifluralin on the competitive ability of Annual Ryegrass in a minimum tillage system, David Minkey, Abul Hashem, Glen Riethmuller and Martin Harries, Agriculture Western Australia
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High wheat seeding rates coupled with narrow row spacing increases yield and suppresses grass, Peter Newman1 and Cameron Weeks2,1Agronomist, Elders Limited 2Mingenew/Irwin Group
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Resistant ryegrass management in a wheat – lupin rotation, Abul Hashem, Harmohinder S. Dhammu, Aik Cheam, David Bowran and …
Cell Cycle-Dependent Binding Of Yeast Heat Shock Factor To Nucleosomes, Christina Bourgeois Venturi, Alexander M. Erkine, David S. Gross
Cell Cycle-Dependent Binding Of Yeast Heat Shock Factor To Nucleosomes, Christina Bourgeois Venturi, Alexander M. Erkine, David S. Gross
Scholarship and Professional Work – COPHS
In the nucleus, transcription factors must contend with the presence of chromatin in order to gain access to their cognate regulatory sequences. As most nuclear DNA is assembled into nucleosomes, activators must either invade a stable, preassembled nucleosome or preempt the formation of nucleosomes on newly replicated DNA, which is transiently free of histones. We have investigated the mechanism by which heat shock factor (HSF) binds to target nucleosomal heat shock elements (HSEs), using as our model a dinucleosomal heat shock promoter (hsp82-ΔHSE1). We find that activated HSF cannot bind a stable, sequence-positioned nucleosome in G1-arrested …
Scientific Investigation Of The Plant Pathogen Agrobacterium Tumefaciens, Casey M. Flanagan, Christopher B. Crowell Ii, Bryan P. Markelz
Scientific Investigation Of The Plant Pathogen Agrobacterium Tumefaciens, Casey M. Flanagan, Christopher B. Crowell Ii, Bryan P. Markelz
Honors Theses
A. tumefaciensis a plant pathogen and causative agent of Crown Gall Disease, an ailment that results in the development of tumors in plants. It is a unique organism in that it is the only known non-viral pathogen that transfers its DNA into the host cell. Consequently, the majority of the research conducted on A. tumefaciensinvestigates its mechanism of infection. However, A. tumefaciensis also rare to the bacterial world in that its genome is comprised of two chromosomes: one circular and one linear. Most other bacteria only have one circular chromosome. This area of research has been grossly overlooked and therefore …
2000 Nebraska Swine Report, Rodger K. Johnson
2000 Nebraska Swine Report, Rodger K. Johnson
University of Nebraska-Lincoln Extension: Historical Materials
This publication was prepared by the staff in Animal Science and cooperating Departments for use in Extension, Teaching and Research programs. It deals with the results that were done in reproduction, breeding, health, nutrition, economics and housing of swine.
Genetics And Some Aging-Related Mechanisms, Şükran Çakir
Genetics And Some Aging-Related Mechanisms, Şükran Çakir
Turkish Journal of Zoology
Aging can be defined as the time-dependent decline of physiological functions of an organism. Aging, a multifactorial process composed of both genetic and environmental components, is a highly complex biologic phenomenon of great importance. The details of the mechanisms leading to aging are not yet known. All changes in the process of aging have a cellular basis, and perhaps aging should be studied, fundamantally, at the cellular level under defined and controlled environmental conditions. Some genetic approaches have promise for the understanding of this multifactorial process. In this review, some causal hypotheses related to oxidative damage, caloric restriction, mitochondrial mutations, …
On The Polymorphic Meadow Spittlebug, Philaenus Spumarius (L.) (Homoptera: Cercopidae), Selçuk Yurtsever
On The Polymorphic Meadow Spittlebug, Philaenus Spumarius (L.) (Homoptera: Cercopidae), Selçuk Yurtsever
Turkish Journal of Zoology
Due to its interesting biological aspects, the meadow spittlebug Philaenus spumarius has received great attention from biologists for decades. It has been one of the extensively studied species in ecology and genetics. This homopteran insect shows very high habitat diversity and therefore has a wide global distribution. Adults exhibit a heritable colour/pattern polymorphism on the dorsal surface throughout its range. A similar colour/pattern variation also occurs in certain ventral parts. Recent laboratory studies have dealt with its polyandrous aspect that is, females may mate several times with different males and the offspring of a single female may be fathered, therefore, …