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Topic: Hybridisation molecular biology


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In the News (Fri 1 Jan 10)

  
  Hybridisation - Wikipedia, the free encyclopedia
In genetics, hybridisation is the process of mixing different species or varieties of organisms to create a hybrid.
In molecular biology hybridisation is the process of joining two complementary strands of DNA.
In chemistry, orbital hybridisation is the mixing of atomic orbitals to form new orbitals suitable for bonding.
en.wikipedia.org /wiki/Hybridisation   (126 words)

  
 Encyclopedia :: encyclopedia : Molecular biology   (Site not responding. Last check: 2007-10-30)
Molecular biology is the study of molecular underpinnings of the process of replication, transcription and translation of the genetic material.
Molecular biology was established in the 1930s, the term was first coined by Warren Weaver in 1938 however.
Molecular biology is a branch of biology which studies cells at a molecular level.
www.hallencyclopedia.com /Molecular_biology   (1648 words)

  
 Hybrid - Wikipedia, the free encyclopedia
Hybrids are often named by the portmanteau method, combining the names of the two parent species.
Since the traits of hybrid offspring often vary depending on which species was mother and which was father, it is traditional to use the father's species as the first half of the portmanteau.
Hybrids should not be confused with chimaeras such as the chimera between sheep and goat known as the geep.
en.wikipedia.org /wiki/Hybrid   (1904 words)

  
 Product (biology)   (Site not responding. Last check: 2007-10-30)
Biology is the science that studies all living matter in all its forms, with respect to the living organism or groups of organisms.
York University Graduate Programme in Biology The research interests of the faculty are concentrated in Animal Biology / Physiology, Cell Biology, Ecology and Population Biology, Evolutionary Biology, Genetics, Molecular Biology and Biochemistry, and Plant Physiology.
Molecular and Cellular Biology An authoritative source of fundamental knowledge and new developments in all aspects of the molecular biology of eukaryotic cells.
www.serebella.com /encyclopedia/article-Product_(biology).html   (889 words)

  
 DNA hybridization - Wikipedia, the free encyclopedia
Hybridization is the process of combining complementary, single-stranded nucleic acids into a single molecule.
the speed at which hybridization occurs is indicative of genomic similarity between the two samples; percentage genomic similarity and speed of hybridization being directly proportional.
The gel is then overlaid with a nitrocellulose filter, to which the DNA fragments are transferred (blotting) to yield a replica of the gel.
en.wikipedia.org /wiki/Hybridisation_(molecular_biology)   (407 words)

  
 Entomology Molecular Systematics laboratory - Natural History Museum
The Molecular Systematics Laboratory provides facilities in the Department of Entomology for studying the molecular systematics of insects of scientific and social significance, in order to understand relationships among taxa and populations, the dynamics of evolution of molecular markers, and the phylogenetics of genes and other DNA sequences of functional interest.
Molecular systematics of anopheline mosquitoes, vectors of malaria.
Molecular systematics of phlebotomine sandflies, vectors of leishmania.
www.nhm.ac.uk /research-curation/science-facilities/molecular-sys-lab/index.html   (252 words)

  
 Category:Molecular biology - Wikipedia, the free encyclopedia
Molecular biology is the study of biology at a molecular level.
Molecular biology chiefly concerns itself with understanding the interactions between the various systems of a cell, including the interrelationship of DNA, RNA and protein synthesis and learning how these interactions are regulated.
The main article for this category is Molecular biology.
en.wikipedia.org /wiki/Category:Molecular_biology   (119 words)

  
 Evolutionary Biology - Dr Mark Eldridge
Using molecular genetic tags and assignment tests to examine dispersal and gene flow amongst population isolates in fragmented and unfragmented landscapes.
Browning, T.L., Belov, K., Miller, R.D. and Eldridge, M.D.B. Molecular cloning and characterisation of a polymorphic MHC class II DBB, from the tammar wallaby (Macropus eugenii).
Metcalfe, C.J., Eldridge, M.D.B. and Johnston, P.G. Mapping the distribution of the telomeric sequence (T2AG3)n in the 2n=14 presumed ancestral marsupial complement and in the macropodines (Marsupialia: Macropodidae), by fluorescence in situ hybridisation.
www.amonline.net.au /evolutionary_biology/staff/marke.htm   (875 words)

  
 Hybridisation   (Site not responding. Last check: 2007-10-30)
In genetics hybridisation is the process of mixing different or varieties of organisms producing hybrids.
In molecular biology hybridisation is the process of joining two strands of DNA.
In chemistry hybridisation is a linear combination of atomic of approximately the same energy yielding hybridised or hybrid orbitals.
www.freeglossary.com /Hybridization   (425 words)

  
 A Molecular View of the Intestinal Ecosystem
Many of the molecular methodologies are rooted in the use of ribosomal RNA (rRNA) and its encoding genes to describe the relationship between the bacteria in such communities and their individual identity.
Molecular techniques promise a more full and accurate description of the true diversity, structure and dynamics of complex microbial communities than our present culturing studies, yet suffer from experimental bias and selectivity in their own way (Table 1) (Wallner et al., 1997).
Molecular beacons allow the reliable detection of point mutations, something that cannot easily be done by using conventional linear probes, and their specificity can be adjusted more extensively.
www.open-access-biology.com /probiotics/vaughan/vaughan.html   (8622 words)

  
 Molecular biology - Biodiversity - Marker research   (Site not responding. Last check: 2007-10-30)
Molecular analysis of crown rust tolerance in ryegrass and contribution to the mapping of the Gramineae (H.
The molecular mechanism of self-incompatibility in ryegrass (I.
Molecular analysis of crown rust tolerance in leek (W.
www.clo.fgov.be /dvp/Biodiversity.htm   (107 words)

  
 VascularBiology.com   (Site not responding. Last check: 2007-10-30)
The Department of Reproductive and Vascular Biology is one of several research departments located in the Division of Reproductive and Child Health, one of the six divisions in the Medical School.
We require a Molecular Cell Biologist, with 1 years research experience to investigate anti-gene approaches to modulate the expression of endothelial tyrosine kinase receptors that are essential for angiogenesis.
Experience in molecular cell biology, in situ hybridisation, gene targeting by viral adducts, and lipid biochemistry is desirable and further information see the website.
medweb.bham.ac.uk /vascularbiology/jobs.html   (500 words)

  
 Hybridisation - definition from Biology-Online.org
(Science: molecular biology) The process of joining two complementary strands of dna or one each of dna and rna to form a double-stranded molecule.
hybrids are detected by various means: visualisation in the electron microscope, by radioactively labelling one component and removing noncomplexed dna or by washing or digestion with an enzyme that attacks single stranded nucleic acids and finally estimating the radioactivity bound.
Hybridisations are done in all combinations: dna dna (dna can be rendered single stranded by heat denaturation), dna rna or rna rna.
www.biology-online.org /dictionary/Hybridisation   (278 words)

  
 Molecular Biology
Protocols used in Patricia Clark lab in Microbiology & Molecular Biology, Protein Purification, Gel Electrophoresis, Immunoassays, Spectroscopy, Images/Figures and Miscellaneous.
Lecture notes on most frequently used molecular biology techniques in pdf format.
The "Bowtell" Protocols: Molecular Biology Biochemistry Cell Biology The "Faulkner-Jones" protocols In-Situ hybridisation Extraction and Purification of Eurkaryotic RNA Analysis of Eukaryotic RNA The Paul Brennan (ICRF) protoc...
biowww.net /browse-1.html   (688 words)

  
 Molecular Biology
Molecular cytogenetic analysis of a nontumorigenic human breast epithelial cell line that eventually turns tumorigenic: validation of an analytical approach combining karyotyping, comparative genomic hybridization, chromosome painting, and single-locus fluorescence in situ hybridization.
Hybridization to an array of mapped sequences instead of metaphase chromosomes could overcome the limitations of conventional CGH (ref. 6) if adequate performance could be achieved.
The purpose of this study was to assess the utilization of molecular cytogenetic analysis for detection of chromosomal aneuploidy in placental tissues.
www.thedoctorsdoctor.com /labtests/molecularbiology.htm   (3608 words)

  
 Biology in TutorGig Encyclopedia
In biology, a medusa also known as a hydromedusa is a form of cnidaria n in which the body is shortened on its principal axis and broadened, sometimes greatly, in contrast with the hydroid or polyp.
In biology, polymorphism can be defined as the occurrence in the same habitat of two or more forms of a Trait biological trait in such frequencies that the rarer cannot be maintained by recurrent mutation..
Molecular Biology is a scientific journal which covers a wide scope of problems related to molecular biology molecular, cell biology cell and computational biology including genomics, proteomics, bioinformatics..
www.tutorgig.com /es/Biology/4   (666 words)

  
 Chapter Abstracts: Malaria Parasites: Genomes and Molecular Biology
Not only has the genome told us a lot about the biology of the parasite but since the sequence data started to be released onto public web sites, it has changed the way many Plasmodium laboratories have approached their research.
In contrast to rapidly expanding molecular knowledge of asexual multiplication of malaria parasites, the molecular mechanisms of sexual differentiation are still largely unknown.
Insight into molecular processes underlying sexual development and the proteins involved will maximise numbers of candidate proteins available for consideration as transmission blocking vaccine candisdates and will allow researchers and policy makers to make rational, informed decisions about the proteins considered for components of a multi-stage vaccine.
www.horizonpress.com /hsp/abs/absmal.html   (2971 words)

  
 Evolutionary Biology - Phylogeny of Marsupials based on phosphoglycerate kinase DNA sequences
In this study (reported in Molecular Phylogeny and Evolution 11: 13-26) partial sequences were obtained for phosphoglycerate kinase (Download
This emphasises that efforts to conserve the evolutionary potential of the marsupials should fully consider the genetic diversity represented by the Dasyuromorphia, as well as their more conspicuous relatives.
Kirsch, J.A.W., Dickerman, A.W., Reig, O.A., and Springer, M.S. DNA hybridisation evidence for the Australian affinity of the American marsupial Dromiciops australis.
www.amonline.net.au /evolutionary_biology/research/projects/marspgk.htm   (436 words)

  
 Template: Drexel University Libraries
Molecular Ecology blends ecology, research concerned with interrelationships of organisms and their environments, and molecular biology research concerned with the physiochemical organization of living matter.
Biology Digest 1989-Current: Biology Digest is a compilation of abstracts and indexes of domestic and international literature in the area of life sciences.
This is the homepage of the junior research group for molecular ecology located at the Max Planck Institute for marine Microbiology in Bremen.
www.library.drexel.edu /resources/guides/molecular.html   (1079 words)

  
 Biomaterials and Controlling Them with Radio Waves
Radio-controlled biology may lead to single-atom or single-molecule machines or the ability to hook tiny antennae into living systems to turn genes on and off.
Hybridisation is the process of joining two complementary strands of DNA or one each of DNA and RNA to form a double-stranded molecule.
The exquisitely fine electronic controls of biological regulation will likely become more and more important in understanding complex molecular interactions in great detail, he said, because there is currently no other way to achieve fine local control without disturbing neighbouring molecules.
www.azom.com /details.asp?ArticleID=1301   (872 words)

  
 Department of Plant Sciences - University of Nottingham   (Site not responding. Last check: 2007-10-30)
Molecular genetic dissection of hormonal signalling in Arabidopsis with special emphasis on auxin transport, auxin-ethylene crosstalk, hormonal control of lateral root formation, adventitious rooting and embryo patterning; transactivation-mediated regulation of gene expression within transgenic crops.
Molecular development of plant reproduction:- gene expression during anther and pollen development; isolation of genes involved in male sporogenesis by positional cloning.
Molecular biology of gametophytic self-incompatibility in the Solanaceae, Rosaceae and Rubiaceae; Transposon biology and floral development in Petunia hybrida.
www.nottingham.ac.uk /biosciences/plantsci/staff/index.html   (644 words)

  
 UCL: Biology: Research: Graduate Prospectus 2006: Prospective Students
The molecular basis of communication between the three genomes of the cell (nuclear, chloroplastic and mitochondrial) that ensure the regulated biogenesis of the photosynthetic and respiratory complexes
The general area of research is the structure, mechanism and functions of the electron transfer enzymes of bioenergetics, especially of mitochondrial respiration, using biophysical, biochemical and molecular biology methods.
The molecular nociception group is using genetic approaches to understand the properties of damage-sensing sensory neurons.
www.ucl.ac.uk /prospective-students/graduate-degrees/life-sciences/biology/research/cell-developmental-biology/index.shtml   (876 words)

  
 B200 Human Genome Lectures
By asking in which hybrid lines is a DNA locus present, (by PCR or by Southern blotting) and by correlating this with the karyotypes of the hybrid lines it is possible to deduce mapping information.
Later, the site(s) of hybridisation is found by using streptavidin and antibodies conjugated to a fluorescent dye.
I have included radiation hybrid mapping in a section of its own, it is a physical technique but the mathematics are analogous to those used for genetic mapping.
www.ucl.ac.uk /~ucbhjow/b200/b200.html   (2368 words)

  
 MAICh - Resources - Laboratories - Molecular Biology and Biotechnology   (Site not responding. Last check: 2007-10-30)
The laboratory of Molecular Biology and Biotechnology aims to provide the necessary facilities and molecular tools to meet the research and training needs of the departments of Horticulture Quality Management and Natural Products.
Use of molecular markers in breeding and plant modification for increase resistance to environmental stresses.
The molecular biology techniques used are: PCR, Northern and Southern blot analysis, RNAse protection and in-situ hybridisation to detect genetic modifications of particular genes in various agricultural products.
www.maich.gr /resources/laboratories/molecular.html   (211 words)

  
 Molecular Cytogenetics and Genome Organization - Pat Heslop-Harrison
We use a combination of genetic, molecular and cytological methods - molecular cytogenetics - including in situ hybridization (hybridisation), fluorescence microscopy, electron microscopy, flow cytometry, DNA microarray and oligonucleotide hybridization.
The unifying aim of our work in terms of fundamental biology is the understanding of the dynamic and functional architecture of the cell nucleus, leading to an integrated structural, physical and functional map of the genome.
As part of cell biology, our interests include the RNA and proteins located within the nucleus, and their temporal and spatial relationships.
www.le.ac.uk /biology/phh4/index.htm   (889 words)

  
 Genetic Research Instrumentation (GRI) - Cellular Biology and Molecular Biology product distributor
All the products we supply are selected for their suitability of purpose and we firmly believe they are amongst the best currently molecular biology, service warranty, extended warranty available in the UK.
It is a source of pride that chemiluminescence, evaporation, combinatorial chemistry many of them filtration, flow, freeze dryers have been with molecular biology, service warranty, extended warranty us for more than 15 years.
A good molecular biology, human genetics, service warranty, extended warranty sequencing service provides results, but a great sequencing service will give chemiluminescence, evaporation, combinatorial chemistry you the added reassurance lab service, temperature validations, validation services of customer care.
www.gri.co.uk   (664 words)

  
 Amazon.com: Molecular Methods in Ecology (Methods in Ecology): Books: Allan J. Baker   (Site not responding. Last check: 2007-10-30)
The incorporation of molecular methods in ecological research has added an exciting new dimension to conventional studies and has thus opened windows into previously intractable areas of research, at the interface between ecology and genetics.
Traces the development of molecular ecology, reviewing basic molecular biological techniques, and discussing the strengths and limitations of each method, selecting the most appropriate methods for different ecological problems.
Until the mid-1960s, when protein electrophoresis was first used to detect genetic variation in samples of individuals from different populations and species, it had not been possible for population biologists to routinely estimate multilocus parameters of direct relevance in ecology and evolution.
www.amazon.com /exec/obidos/tg/detail/-/0632034378?v=glance   (817 words)

  
 BioUpdateS molecular biology glossary
In molecular biology; a molecule composed of a sugar (2' deoxyribose in DNA; ribose in RNA) which is linked to a purine (adenine or guanine) or a pyrimidine (thymine (DNA), cytidine or uridine (RNA)).
In molecular biology; the phosphate ester of a nucleoside, it may carry one, two or three phosphates linked to each other e.g.
This process is the molecular basis of crossing over during meiosis and some DNA repair mechanisms.
web.onetel.com /~jbwhammond/gloss.htm   (2933 words)

  
 WITEC AG Littau > Products > Molecular Biology > Hybridisation Incubators
However, because of the expense and hazardous nature of some of these probes it is desirable that probing should be safe, use minimal volumes, allow re-use of materials and be easy to use.
Hybrigene has been designed for today's busy molecular biology laboratory and is suitable for most blotting techniques including Southern and Western blots using either radioactive or fluorescent probes.
The Hybrigene is Techne's compact, stackable alternative to the hybridiser HB-1D - for when quality is important and throughput is not a priority.
www.witec.ch /E/prod_list.php?id=1010   (205 words)

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