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Module 2: T-COFFEE & Module 8: Horizontal Gene Transfer
Module 2: T-COFFEE & Module 8: Horizontal Gene Transfer

... No HGT since P. limnophilus and Blastopirellula are in the same family and are clustered together (i.e., gene phylogeny matches organismal phylogeny). Possible HGT since P. limnophilus and Carboxydothermus are very distantly related yet clustered together (i.e., gene phylogeny does NOT match organis ...
Document
Document

... Addituional Information Except when indicated, all transcriptome and genome analysis was carried out using either an assortment of R system software (http://www.R-project.org, V2.10.0) packages including those of Bioconductor (v2.5) by Gentleman et al. [1] or original R code. ...
Applied and Environmental Microbiology
Applied and Environmental Microbiology

... 95°C for 40 s, 51°C for 40 s, and 72°C for 1 min 15 s were performed; 1 final cycle of 95°C for 40 s, 51°C for 40 s, and 72°C for 10 min was followed by cooling to 4°C. PCR products were purified using ammonium acetateethanol precipitation, after which the concentration of each sample was quantified ...
7.014 Problem Set 3
7.014 Problem Set 3

... After acing the 7.014 Quiz 1, you take a well-deserved break and go “looking for Baker House.” Somewhere in the tunnels you stumble on a device you have never seen before, and start playing with its dials. It turns out to be a time- and reality-transporting device. It lands you in the office of the ...
Impact of Tandem Repeats on the Scaling of Nucleotide Sequences
Impact of Tandem Repeats on the Scaling of Nucleotide Sequences

... so with the rapid completion of eukaryotic genomes. DNA sequences are composed of four nucleotides (A, G, C and T), with (A, G) representing the purines and (C, T) the pyrimidines. Repetitive nucleotide patterns form a prominent part of eukaryotic genomes and manifest themselves as tandem repeats. S ...
A human laterality disorder associated with a homozygous
A human laterality disorder associated with a homozygous

... Figure 2 Abnormal arrangement of patients' organs (a) Echocardiogram of patient II-3 from the subcostal short axis view: A large azygos vein draining into the superior vena cava due to inferior vena cava interruption. (b) Schematic drawing of patient II-3 anatomy showing normal cardiac situs and inv ...
Problems 07
Problems 07

... PCL files containing well-normalized sets of diverse microarray conditions can be created without too many tears from raw CEL (and SOFT/other) files from GEO or other databases using R. In particular, see the book's problem 11-1 for a guide to how this file was generated from the human cerebellum ex ...
Chem 317 Exam II
Chem 317 Exam II

... C. homologs D. convergent evolution E. divergent evolution a) X4 > X2 > X5 > X3; A, and E b) X4 > X2 > X5 > X3; B, and D c) X4 > X3 > X2 > X5; A, and E d) X4 > X3 > X2 > X5; B, and D Your answer:______________ 11. A virus causes Acquired Immunodeficiency Syndrome (AIDS). It was first exposed in 1981 ...
BACTERIA TRANSFORMATION LAB (ACTIVITY)
BACTERIA TRANSFORMATION LAB (ACTIVITY)

... a bacterial plasmid, and then cut these two DNA molecules into fragments using special enzymes called restriction enzymes. The DNA fragments are spliced together with an enzyme called ligase. Finally the engineered plasmid is taken up by a bacterial cell for replication and expression of the inserte ...
Cloning Restriction Fragments of Cellular DNA
Cloning Restriction Fragments of Cellular DNA

... Uses of Genomic Libraries • Large quantities of each clone can be grown for DNA sequencing studies, similar to what is being done in the Human Genome Project. • By producing genomic libraries using different restriction endonucleases (or allowing one type of restriction endonuclease to digest a DNA ...
Hox Genes Notes unit 9 addendum
Hox Genes Notes unit 9 addendum

... Homeobox gene: A gene containing a short DNA sequence of about 180 base pairs referred to as a homeobox. Homeobox genes encode proteins that bind and regulate the expression of DNA in multicellular organisms. Homeoboxes are present in the genomes of many organisms from fruit flies to humans, and the ...
Mutation Screening in KCNQ1, HERG, KCNE1, KCNE2 and SCN5A
Mutation Screening in KCNQ1, HERG, KCNE1, KCNE2 and SCN5A

... to result in the prolongation of the QT interval.29 Mutations in these regions can provide important insights in gene regulation and expression. However, it is currently impractical to sequence the whole gene unless there is a signal suggesting its involvement. One way to ascertain this will be to p ...
STATION 1: Nucleic acids
STATION 1: Nucleic acids

... 10) In E. coli, the inability of the lac repressor to bind an inducer would result in (A) no substantial synthesis of -galactosidase (B) constitutive synthesis of -galactosidase (C) inducible synthesis of -galactosidase (D) synthesis of inactive -galactosidase (E) synthesis of -galactosidase on ...
Family Enterobacteriaceae
Family Enterobacteriaceae

... The Enterobacteriaceae are a large family of bacteria, including many of the more familiar pathogens, such as Salmonella and Escherichia coli. Genetic studies place them among the Proteobacteria, and they are given their own order (Enterobacteriales), though this is sometimes taken to include some r ...
Reading Packet 5- Molecular Genetics Part 1 Chapter 16
Reading Packet 5- Molecular Genetics Part 1 Chapter 16

... 48. We stated in the beginning of the year that negative feedback has an on/off switch and positive feedback can only amplify a response – how are these concepts related to negative and positive gene regulation? ...
Tutorial - Ensembl
Tutorial - Ensembl

... BioMart can be used to directly access the data in Ensembl and export tables of gene information or sequences. Any user can obtain gene-associated data in tabular format without the need for knowing any programming. The ‘query’ or the initial input can be an entire set of genes for a species, or a s ...
Advanced Twin Workshop 2001
Advanced Twin Workshop 2001

... • Allele: One of several variants of a specific gene • Gene: a sequence of DNA that codes for a specific function • Base pair: chemical “letter” of the genome (a gene has many 1000’s of base pairs) • Genome: all the genes considered together ...
Update on the NSA SNP project - National Sunflower Association
Update on the NSA SNP project - National Sunflower Association

... – Marker significance is not determined individually, but as the full set of markers together – All markers are included in the selection model, however, each has a different weighting (importance) for selection (called Estimated Breeding Values) ...
Lecture material
Lecture material

... HIERARCHICAL STRUCTURE OF EUCARYOTIC DNA ...
Visualization of Biological Sequence Similarity Search
Visualization of Biological Sequence Similarity Search

... amino acid), so there are 64 possible residue encodings. These 64 encodings represent the 20 fundamental residues with some redundancy. Protein sequences use a 20 letter alphabet for the 20 different residues. A DNA sequence can encode a protein sequence starting from the first, second, or third pos ...
Comparative mycobacterial genomics Stewart T Cole
Comparative mycobacterial genomics Stewart T Cole

... One of the great surprises of the M. tuberculosis genome project was the discovery of two large gene families encoding unusual glycine-rich proteins with basic pIs (isoelectric points) and well conserved amino-terminal domains. These show no significant similarity to proteins of known function and w ...
IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS)
IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS)

... coding region of FMDV RNA that contains the first functional initiation codon (AUG) for the whole ORF at position 01. Another AUG codon is present at 84 bases apart in the same ORF (Sanger et al., 1987; Belsham 1992).The N terminus end of the Lpro sequences showed increased amino acid variations wit ...
dNTP Mix, 10mM - Thermo Fisher Scientific
dNTP Mix, 10mM - Thermo Fisher Scientific

... Functional test. 1. PCR amplification of a single-copy gene fragment (1 kb) from 10 copies of human genomic DNA using Pfu DNA polymerase. 2. PCR amplification of 5 kb DNA fragment from series of lambda DNA dilutions using Pfu DNA polymerase. ...
BIS2A TM Murphy Page 1 PROBLEMS ON MOLECULAR BIOLOGY
BIS2A TM Murphy Page 1 PROBLEMS ON MOLECULAR BIOLOGY

... d. There is no way to explain the data. ...
Lambdas - Calit2
Lambdas - Calit2

... ocean chlorophyll in the Sargasso Sea grid about the BATS site from 22 February 2003 ...
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Metagenomics



Metagenomics is the study of genetic material recovered directly from environmental samples. The broad field may also be referred to as environmental genomics, ecogenomics or community genomics. While traditional microbiology and microbial genome sequencing and genomics rely upon cultivated clonal cultures, early environmental gene sequencing cloned specific genes (often the 16S rRNA gene) to produce a profile of diversity in a natural sample. Such work revealed that the vast majority of microbial biodiversity had been missed by cultivation-based methods. Recent studies use either ""shotgun"" or PCR directed sequencing to get largely unbiased samples of all genes from all the members of the sampled communities. Because of its ability to reveal the previously hidden diversity of microscopic life, metagenomics offers a powerful lens for viewing the microbial world that has the potential to revolutionize understanding of the entire living world. As the price of DNA sequencing continues to fall, metagenomics now allows microbial ecology to be investigated at a much greater scale and detail than before.
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