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Topic: Homologues

In the News (Fri 25 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	ISAC XX Abstracts
		With FISH painting technique of terminally differentiated ciliated bronchial and goblet cells, it was shown that the two homologues of each chromosome occupy a separate domain on or adjacent to the nuclear membrane.
		In some arrays of bronchial cells, the position of the homologues was either identical or formed a mirror image, suggesting that the position of the chromosomes may be constant.
		By cinematographic technique, it was shown that the angles separating the 2 homologues depended on the rotation of the nucleus.
	www.wiley.com /legacy/products/subject/life/cytometry/isac2000/6364.htm (286 words)

	Size Comparisons among Integral Membrane Transport Protein Homologues in Bacteria, Archaea, and Eucarya -- Chung et al. ...
		In this study we compared the sizes of homologues of the ubiquitous families in the three domains of living organisms.
		11 TMSs for the bacterial homologues, 9 or 10 TMSs for the archaeal
		The average size differences for the various types of protein homologues analyzed are summarized in Table 9.
	jb.asm.org /cgi/content/full/183/3/1012 (3350 words)

	Cell & Chromosome \| Full text \| Chromosome loops arising from intrachromosomal tethering of telomeres occur at high ...
		If the signal pairings were between the short-arm from one homologue with the long-arm of another it is especially unlikely in the triploid cells that the chromosomes could span the diameter of the nucleus consistently.
		Whereas there is often a spatial separation of the telomeric signals from the various homologues of the diploid or triploid G1-arrested cells in the present data (see fig 1) there was no evidence for a chromosome order or haploid groups in the cell nuclei (fig 2).
		In the present data each set of identical homologues (two in diploid or three in triploid cells) appear to be arranged without respect to those of other chromosomes (fig 2), i.e.
	www.cellandchromosome.com /content/3/1/3 (5646 words)

	BIOdotEDU
		Each pair of chromosomes (homologues) has two kinetochores (points of attachment for the spindle fibers), and separate sets of kinetochore microtubules attach to these points and extent to the poles.
		Biological information carried by these separating homologues has already been altered and rearranged during the crossing over of parts of the chromosomes in Prophase I. So none of the homologues are carrying exactly the same set of genes they were carrying at the start of the process.
		As the sets of homologues are aligned in Metaphase I, and kinetochore tubules attached to the four sets of kinetochores, the orientation of each chromosome complex, and the direction in which it is facing, is arranged completely by chance.
	www.brooklyn.cuny.edu /bc/ahp/LAD/C9/C9_m_metaTelo.html (698 words)

	Homology Modeling
		Based on analyses of other homologues for which multiple structures are available, we know that the SCRs generally correspond to the elements of secondary structure, such as alpha-helices and beta-sheets, and to ligand- and substrate-binding sites.
		It may be desirable to weight the contribution of each homologue in each SCR based on the extent of similarity with the unknown.
		That is, restraints are identified from the alignments of homologues of known structure, and these restraints are then applied to the unknown sequence.
	www.biochem.vt.edu /modeling/homology.html (3846 words)

	Two Distinct Classes of Mitotic Cyclin Homologues (Site not responding. Last check: 2007-10-24)
		Therefore, we sought to determine whether cyclin homologues are present in Paramecium, and if so, whether and how they are involved in the Paramecium cell cycle regulation in association with CDK partners.
		In this report, we describe the identification of two mitotic cyclin homologues, Cyc1 and Cyc2 from Paramecium tetraurelia, and present evidence for their roles in the vegetative cell cycle regulation.
		To determine if the histone H1 kinase activities in the cyclin immunoprecipitates were cell cycle-dependent, Cyc1 and Cyc2 immunoprecipitates were prepared from lysates of synchronous cells by elutriation as a function of position in the cell cycle and assayed for histone H1 kinase activity.
	www.zoology.ubc.ca /~berger/cyclinsText.htm (7630 words)

	Repair of Methylation Damage in DNA and RNA by Mammalian AlkB Homologues -- Lee et al. 280 (47): 39448 -- Journal of ...
		Following the AlkB homologue reaction, a complementary ODN was annealed and reacted for 30 min with EcoRI.
		The percentage reduction was calculated using the fraction of radioactivity removed by the mutant protein divided by the fraction of radioactivity removed by the wild-type protein multiplied by 100.
		and polyribonucleotide substrates for the AlkB homologues are
	www.jbc.org /cgi/content/full/280/47/39448 (6084 words)

	Mammalian homologues of the Polycomb-group gene Enhancer of zeste mediate gene silencing in Drosophila heterochromatin ...
		Mammalian homologues of the Polycomb-group gene Enhancer of zeste mediate gene silencing in Drosophila heterochromatin and at S.cerevisiae telomeres
		We describe the isolation of human (EZH2) and mouse (Ezh1) homologues of the Drosophila Polycomb-group (Pc-G) gene Enhancer of zeste [E(z)], a crucial regulator of homeotic gene expression implicated in the assembly of repressive protein complexes in chromatin.
		Mammalian homologues of E(z) are encoded by two distinct loci in mouse and man, and the two murine Ezh genes display complementary expression profiles during mouse development.
	www.nature.com /cgi-taf/DynaPage.taf?file=/emboj/journal/v16/n11/abs/7590302a.html (260 words)

	Average conservation of 1D structure between remote homologues (Site not responding. Last check: 2007-10-24)
		Secondary structure and residue solvent accessibility are, on average, conserved between remote homologues (proteins with < 25% pairwise sequence identity).
		The levels of conservation are compiled based on structural alignment taken from the FSSP database.
		Although for many remote homologues, neither secondary structure, nor residue solvent accessibility appeared conserved, on average these aspects of 1D structure were found to be conserved.
	cubic.bioc.columbia.edu /~rost/Res/96/ConservationOf1D.html (175 words)

	Rac Homologues and Compartmentalized Phosphatidylinositol 4, 5-Bisphosphate Act in a Common Pathway to Regulate Polar ...
		Rac Homologues and Compartmentalized Phosphatidylinositol 4, 5-Bisphosphate Act in a Common Pathway to Regulate Polar Pollen Tube Growth -- Kost et al.
		Rac Homologues and Compartmentalized Phosphatidylinositol 4, 5-Bisphosphate Act in a Common Pathway to Regulate Polar Pollen Tube Growth
		homologues was analyzed in cultured tobacco pollen tubes.
	www.jcb.org /cgi/content/full/145/2/317 (7723 words)

	Structure and Function of CC-Chemokine Receptor 5 Homologues Derived from Representative Primate Species and Subspecies ...
		Phylogenetic reconstruction of human and nonhuman primate CCR5 homologue sequences by using the neighbor-joining algorithm.
		Each nonhuman primate CCR5 homologue sequence is the consensus sequence of six clones obtained from each animal to ensure a 97% probability that both alleles were represented.
		The truncated 5' and 3' ends of the prosimian CCR5 homologues are indicated by asterisks.
	jvi.asm.org /cgi/content/full/77/22/12310 (5360 words)

	Fossil record - EvoWiki (Site not responding. Last check: 2007-10-24)
		Homologues and Analogues of past organisms should build a consistent hierarchy.
		Although progressive creation "predicts" life changing over time in the fossil record, most of the other predictions made by evolution can't be replicated by creationism without additional ad hoc assumptions.
		Young earth creationists in particular tend to have biogeography problems due to their belief that all life on earth descends from the creatures on Noah's Ark, which were released at one point in the recent past.
	wiki.cotch.net /index.php/Fossil_record (445 words)

	Distribution and Evolution of the Xylanase Genes xynA and xynB and Their Homologues in Strains of Butyrivibrio ...
		Distribution of homologues of xynA and xynB in group 1 strains of B.
		Reinvestigation of distribution of homologues of xynB in group 2 and group 3 strains of B.
		The PCR primers XynBf and XynBr were used to screen the group 2 strains for the presence of homologues of xynB.
	aem.asm.org /cgi/content/full/65/8/3660 (3919 words)

	Coenzyme A Biosynthesis: Reconstruction of the Pathway in Archaea and an Evolutionary Scenario Based on Comparative ...
		The putative homologues retrieved in this way were scored according to pairwise amino acid identity in the best local Blast alignment.
		KPRs are clustered with the homologue from Aquifex aeolicus
		Clustering of archaeal sequences with homologues from thermophile bacteria is supported at a bootstrap proportion of 87% in the case of KPHMT, and at 90% in the case of KPR.
	mbe.oxfordjournals.org /cgi/content/full/21/7/1242 (4630 words)

	Two Different Drosophila ADA2 Homologues Are Present in Distinct GCN5 Histone Acetyltransferase-Containing Complexes -- ...
		Residues with the same physicochemical properties conserved among the different ADA2 homologues at between 100 and 91% have a fl background, those conserved at between 90 and 76% have a dark gray background, and those conserved at between 75 and 60% have a light gray background.
		homologue of the yeast transcriptional adaptor ADA2 (6) (hereafter
		Pair of Unusual GCN5 Histone Acetyltransferases and ADA2 Homologues in the Protozoan Parasite Toxoplasma gondii.
	mcb.asm.org /cgi/content/full/23/1/306 (9148 words)

	Molecular signatures in protein sequences that are characteristic of cyanobacteria and plastid homologues -- Gupta et ...
		Molecular signatures in protein sequences that are characteristic of cyanobacteria and plastid homologues -- Gupta et al.
		Molecular signatures in protein sequences that are characteristic of cyanobacteria and plastid homologues
		The nature of the plant homologues is uncertain at present.
	ijs.sgmjournals.org /cgi/content/full/53/6/1833 (3691 words)

	Crystal Structures of Homologues of 4-Oxalocrotonate Tautomerase from Helicobacter pylori, Escherichia coli, and the ... (Site not responding. Last check: 2007-10-24)
		Crystal Structures of 4-Oxalocrotonate Tautomerase Homologues from Helicobacter pylori, Escherichia coli, and the thermophile Archaeoglobus fulgidus: three proteins, four space groups, and two oligomeric states.
		Homologues of 4-OT have been cloned from Helicobacter pylori, Escherichia coli, and the thermophylic bacterium Archaeoglobus fulgidus.
		Analysis of the models provides some explanation for observed differences in their isomerase activity, and establishes a basis for understanding the stabilization of their oligomeric states.
	www.tamu.edu /struct/SWMS/almrud-hackert.html (227 words)

	RegB/RegA, a Highly Conserved Redox-Responding Global Two-Component Regulatory System -- Elsen et al. 68 (2): 263 -- ...
		homologues, as a measure of half-life, is high relative to that
		PrrC from Rhodobacter sphaeroides, a homologue of eukaryotic Sco proteins, is a copper-binding protein and may have a thiol-disulfide oxidoreductase activity.
		Identification and molecular genetic characterization of a sensor kinase responsible for coordinately regulating light harvesting and reaction center gene expression in response to anaerobiosis.
	mmbr.asm.org /cgi/content/full/68/2/263 (7595 words)

	Barley gene family homologous to maize rust resistance gene Rp1-D
		Despite similarity in sequence, function of such homologues is often unknown, hence they are usually referred to as resistance gene analogs (RGAs).
		DNA and deduced amino acid sequences of barley pic20 homologues were aligned with pic20 sequence.
		Barley pic20 homologues represent a family of genes and pseudogenes homologous to NBS-LRR plant disease resistance genes, but not co-segregating genetically with any known barley resistance gene.
	wheat.pw.usda.gov /ggpages/bgn/31/rostoks.htm (775 words)

	Pair of Unusual GCN5 Histone Acetyltransferases and ADA2 Homologues in the Protozoan Parasite Toxoplasma gondii -- ...
		As observed for the ADA2 homologue in Plasmodium falciparum
		homologue of it is readily apparent in apicomplexan databases.
		PfADA2, a Plasmodium falciparum homologue of the transcriptional coactivator ADA2 and its in vivo association with the histone acetyltransferase PfGCN5.
	ec.asm.org /cgi/content/full/5/1/62 (6992 words)

	Rapid reorganization of resistance gene homologues in cereal genomes -- Leister et al. 95 (1): 370 -- Proceedings of ...
		Rapid reorganization of resistance gene homologues in cereal genomes -- Leister et al.
		Comparative mapping of R gene homologues in the monocot species rice, barley, and foxtail millet.
		R gene homologues in the rice cluster RHC-A and the foxtail millet
	www.pnas.org /cgi/content/full/95/1/370 (4704 words)

	ARS \| Publication request: Resistance Gene Homologues in Theobroma Cacao As Useful Genetic Markers
		Using the polymerase chain reaction we were able to amplify and characterize 74 unique resistance gene NBS/LLR homologues from Theobroma cacao.
		Utilizing another technique that separates DNA into single stranded molecules we were able to detect sequence differences that allowed us to utilize these resistance gene homologues as DNA markers.
		We were able to map several of the resistance gene gomologues in an experimental population.
	www.ars.usda.gov /research/publications/publications.htm?SEQ_NO_115=134611 (328 words)

	Molecular cloning and developmental regulation of Dictyostelium discoideum homologues of the human and yeast HIV1 ...
		Molecular cloning and developmental regulation of Dictyostelium discoideum homologues of the human and yeast HIV1 Tat-binding protein.
		TBP1 and 7, two human cDNA clones, are members of a large, highly conserved family that encode proteins that bind to type 1 human immunodeficiency virus Tat protein, and may be transcription factors.
		Two Dictyostelium discoideum homologues, denoted DdTBP2 and 10, were isolated and characterized, and these have striking sequence similarity with both the human and yeast counterparts of the family.
	www.aegis.com /aidsline/1993/oct/M93A0629.html (409 words)

	Isolation of PDX2, a Second Novel Gene in the Pyridoxine Biosynthesis Pathway of Eukaryotes, Archaebacteria, and a ...
		The protein sequences from which the degenerate primers were derived are indicated by asterisks.
		homologues in the databases or are in the same genus as organisms
		Occurrence of PDX2 homologues in organisms of diverse taxa
	jb.asm.org /cgi/content/full/183/11/3383 (4081 words)

	Human T-cell responses to ragweed allergens: Amb V homologues. (Site not responding. Last check: 2007-10-24)
		Human T-cell responses to ragweed allergens: Amb V homologues.Specific IgE and IgG responses to highly purified Ambrosia (ragweed) allergens, Amb a V, Amb t V and Amb p V from the artemisiifolia (short), trifida (giant) and psilostachya (western) species are strongly associated with HLA-DR2 and Dw2 (DR2.2) in allergic Caucasoid individuals.
		We first examined the cross-reactivity of Amb a V-specific T-cell clones upon challenge with the Amb a V homologues, Amb t V and Amb p V, in the presence of autologous antigen-presenting cells (APC).
		The agretope was potentially localized to a 14-residue C-terminal Amb a V peptide (with Ala-Cys substitutions), which was able to block presentation of native Amb a V by the APC to the T-cell clones.
	www.ihop-net.org /UniPub/iHOP/gp/39705.html (252 words)

	Overlapping Functions of the Yeast Oxysterol-Binding Protein Homologues -- Beh et al. 157 (3): 1117 -- Genetics
		the yeast OSBP homologues affect sterols is unknown.
		OXYB and its yeast homologues as determined by BESTFIT sequence analysis.
		The yeast Osh proteins were grouped into four sequence subfamilies on the basis of protein identities exceeding 55% (indicated by highlighted numbers); Osh3p defined its own subfamily and therefore was not >55% identical to another Oshp.
	www.genetics.org /cgi/content/full/157/3/1117 (7100 words)

	SMART: About SMART
		Representation of a prediction of the amino acids in tertiary structures of homologues that overlay in three dimensions.
		The likelihood that the query sequence is a bona fide homologue of the database sequence is compared to the likelihood that the sequence was instead generated by a "random" model.
		SMART uses NCBI-BLAST for detection of outlier homologues and homologues of known structure.
	smart.embl-heidelberg.de /help/smart_glossary.shtml (1850 words)

	Calcium Channels Formed by Mammalian Trp Homologues -- Zhu and Birnbaumer 13 (5): 211 -- Physiology
		Zhu is Assistant Professor of the Dept. of Pharmacology and the Neurobiotechnology Center, Ohio State Univ., Columbus, OH 43210, USA; L. Birnbaumer is Professor and Chairman of the Dept. of Molecular, Cell, and Developmental Biology, Univ. of California at Los Angeles, Los Angeles, CA 90095, USA.
		Homologues of Drosophila trp genes have been isolated from mammalian
		Trp homologues are present throughout the animal phylogeny
	physiologyonline.physiology.org /cgi/content/full/13/5/211 (4185 words)

	Cucurbituril Homologues and Derivatives: New Opportunities in Supramolecular Chemistry (Site not responding. Last check: 2007-10-24)
		Studies in the field, however, have met with limitations, since the only species known was the hexameric macrocyclic compound, cucurbit[6]uril.
		Recently we synthesized its homologues, cucurbit[n]uril (n = 5, 7, 8), and derivatives.
		This Account is a compilation of recent literature covering the syntheses of the homologues and derivatives, and their supramolecular chemistry.
	pubs.acs.org /cgi-bin/abstract.cgi/achre4/2003/36/i08/abs/ar020254k.html (162 words)

	Encyclopedia :: encyclopedia : List of homologues of the human reproductive... (Site not responding. Last check: 2007-10-24)
		Encyclopedia :: encyclopedia : List of homologues of the human reproductive...
		The List of homologues of the human reproductive system shows how indifferent embryonic organs differentiate into the respective sex organs in males and females.
		Mullerian ducts are also referred to as paramesonephric ducts, and Wolffian ducts as mesonephric ducts.
	www.hallencyclopedia.com /List_of_homologues_of_the_human_reproductive... (71 words)

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