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*  Principles of Biochemistry/Expression of gene - Wikibooks, open books for an open world
Replication. Replication of the bacterial chromosome begins at a unique origin of replication and preceeds in both directions ... Many bacteria also contain smaller circular rings of DNA called plasmids, which contain accessory genes. Episomes are plasmids ... an operator gene, and a promoter gene. Structural genes contain sequences of DNA that encode for proteins. The operator gene is ... Bacterial Genetics. The bacterial genome consists of a single circular chromosome located in the nucleoid region of the cell. ...
  https://en.wikibooks.org/wiki/Principles_of_Biochemistry/Expression_of_gene
*  Bacteria use DNA replication to time key decision
Bacteria use their DNA replication cycle to time critical, once-in-a-lifetime decisions about whether to reproduce or form ... Bacterial decision circuit makes use of circular chromosome. In spore-forming bacteria, chromosomal locations of genes can ... To divide and reproduce, bacteria must make a duplicate copy of their DNA. Because replication of circular bacterial DNA always ... This illustration of the replication cycle for circular bacterial DNA shows how Bacillus subtilis bacteria use the ratio of ...
  http://news.rice.edu/2015/07/09/bacteria-use-dna-replication-to-time-key-decision-2/
*  Plasmid | microbiology | Britannica.com
Plasmids are circular deoxyribonucleic acid (DNA) molecules that replicate independently of the bacterial chromosome. They are ... an extrachromosomal genetic element that occurs in many bacterial strains. ... small extra DNA molecules called plasmids. Bacterial plasmids are circular DNA molecules; some carry genes for resistance to ... Viral and plasmid nucleic acids pass from cell to cell where the DNA or RNA perform their replication and coding functions ...
  https://www.britannica.com/science/plasmid
*  Genomic library - Wikipedia
Bacterial artificial chromosomes (BACs) are circular DNA molecules, usually about 7kb in length, that are capable of holding ... Digest the DNA with a restriction enzyme. This creates fragments that are similar in size, each containing one or more genes. ... and an origin of replication. Large inserts of DNA can be ligated into the middle of the YAC so that there is an "arm" of the ... Instead they are introduced into E. coli as circular DNA molecules through electroporation just as BACs are. Also similar to ...
  https://en.wikipedia.org/wiki/Genomic_library
*  B2 topic 1 - cells and microscopy - Flashcards in GCSE Biology
in a bacterial cell. (11, 3). *small loops of extra DNA, contain genes for things like drug resistance. can be passed between ... one long circular chromosome. controls the cell's activities and replication. floats free in the cytoplasm. ... the cell is supported by..... in the bacterial cell. (4, 4). *the long, hair-like structure that rotates to make the bacterium ...
  https://getrevising.co.uk/revision-tests/b2_topic_1_cells_and_microscopy
*  Genetics - Medical Microbiology - NCBI Bookshelf
Bacterial viruses (bacteriophages or phages) have DNA or RNA as genetic material. The two essential functions of genetic ... material are replication and expression. Genetic material must replicate accurately so that progeny inherit all of the specific ... These latter characteristics are often selected as the inherited traits to be analyzed in studies of bacterial genetics. ... The genetic material of bacteria and plasmids is DNA. ... The bacterial chromosome is a circular molecule of DNA that ...
  https://www.ncbi.nlm.nih.gov/books/NBK7908/?report=reader
*  Geoff Kneale - University of Portsmouth
Gene 5 Protein, tetraplex DNA and prions. Single-stranded DNA-binding proteins play a key role in DNA replication. The gene 5 ... A major interest is in the "controller" (C) proteins that regulate the expression of bacterial restriction- modification genes ... DNA structure that forms G-quartets and we have studied the relevant complexes by SAXS and Circular Dichroism. X-ray ... particularly those related to gene expression and DNA replication. Many of the biological systems we study are potential ...
  http://www.port.ac.uk/institute-of-biological-and-biomedical-sciences/molecular-biophysics/geoff-kneale/
*  Circular DNA facts, information, pictures | Encyclopedia.com articles about Circular DNA
Make research projects and school reports about Circular DNA easy with credible articles from our FREE, online encyclopedia and ... and pictures about Circular DNA at Encyclopedia.com. ... These proteins mediate DNA replication, gene expression, or ... The bacterial replication initiator protein is called the dna A protein. The timing of DNA replication is regulated by ... Initiation of DNA Replication. DNA replication begins (initiates) at special sites called origins of DNA replication. ...
  https://www.encyclopedia.com/science-and-technology/biology-and-genetics/genetics-and-genetic-engineering/circular-dna
*  Extrachromosomal DNA - Wikipedia
Circular bacterial plasmids are classified according to the special functions that the genes encoded on the plasmid provide. ... 5S ribosomal DNA and telomere DNA. Certain organisms, such as yeast, rely on chromosomal DNA replication to produce eccDNA ... Circular bacterial plasmids are also the basis for the production of DNA vaccines. Plasmid DNA vaccines are genetically ... One of these is 6-kb linear DNA and the second is 35-kb circular DNA. These DNA molecules have been researched as potential ...
  https://en.wikipedia.org/wiki/Extrachromosomal_DNA
*  DNA Protocols & Applications - QIAGEN
It also deals with common plasmid DNA procedures, including how to make and transform competent cells, how to culture and ... This section describes considerations for isolation and quantification of both genomic DNA from different sample sources and ... handle plasmid-containing cells, and commonly used techniques for analysis of genomic DNA. ... Plasmid DNA. Bacterial plasmids are closed circular molecules of double-stranded DNA that range in size from 1 to ,200 kb. They ...
  https://www.qiagen.com/dk/resources/molecular-biology-methods/dna/
*  DNA Protocols & Applications - QIAGEN
Plasmid DNA. Bacterial plasmids are closed circular molecules of double-stranded DNA that range in size from 1 to ,200 kb. They ... Genomic DNA contains genes, discrete regions that encode a protein or RNA. A gene comprises the coding DNA sequence, as well as ... Origin of replication and copy number of various plasmids and cosmids. DNA construct. Origin of replication. Copy number. ... What is DNA?. DNA extraction technologies. Working with DNA: Good laboratory practice. Conversions for nucleic acids: DNA. ...
  https://www.qiagen.com/si/resources/molecular-biology-methods/dna/
*  CHAPTER 13 PROKARYOTE GENES: E. COLI LAC OPERON - PDF
COLI LAC OPERON CHAPTER 13 CHAPTER 13 PROKARYOTE GENES: E. COLI LAC OPERON Figure 1. Electron micrograph of growing E. coli. ... This is a self-replicating extrachromosomal piece of DNA: it is outside of the large, circular bacterial chromosome but has its ... DNA Protein Gene C. DNA Gene RNA D. DNA RNA Protein Review of DNA processes Replication (7.1) Transcription(7.2) Translation( ... Lecture 18 June 2 nd, 2016 Gene Expression Regulation Mutations From Gene to Protein Central Dogma Replication DNA RNA PROTEIN ...
  http://sciencedocbox.com/Biology/67270553-Chapter-13-prokaryote-genes-e-coli-lac-operon.html
*  Biology-Online • View topic - Reasons for Skepticism on the Endosymbiosis?
Mitochondrial DNA Replication. The claim one often hears is that circular mitochondrial DNA replication resembles bacterial ... Furthermore, gene transfer is a multi-step process were genes need to be moved to the nucleus, the different genetic code of ... is not the same as bacterial DNA replication.. Double Membrane. It is frequently asserted that the double membrane of ... Mitochondria possess a circular genome (lacking in introns and independent from the nuclear DNA) in which transcription is ...
  http://www.biology-online.org/biology-forum/about23874.html?p=138706&hilit=Transfer+rna
*  Prokaryotes: Bacteria and Archaea - Course Hero
A plasmid is a small, circular piece of bacterial DNA that replicates on its own and can be transferred between cells. As ... Archaea also have introns in some of their genes. An intron is a DNA sequence within a gene sequence that does not code for a ... Prokaryotic cell division consists of replication of the single chromosome followed by a simple split of the cell, known as ... A histone is a protein used to package DNA in condensed chromosomes. These proteins assist in DNA structure and control of gene ...
  https://www.coursehero.com/sg/introduction-to-biology/prokaryotes-bacteria-and-archaea/
*  Transformation In Plasmids
... self-replicating DNA molecule which differs from the bacterial chromosome. It has only a small number of genes and these genes ... Plasmids are circular, double stranded, extra chromosomal DNA capable of autonomous replication. ... Transformation occurs when bacterial cells uptake a plasmid DNA, incorporate it into their genome and express the target gene. ... Procedure for Gene Transformation. Each of 1 μl (10 pg) of the pUC19 control DNA and 1 μl of water (negative control) was ...
  https://www.ukessays.com/essays/biology/the-phenomenon-of-transformation-in-plasmids-biology-essay.php
*  Bacteria - Types, Effects, and Uses | HubPages
In addition, bacteria contain smaller, circular segments of DNA called plasmids. Replication of plasmids is independent of the ... After the replication of the bacterial chromosome and the separation of two daughter chromosomes, an invagination of the plasma ... Many of these plasmids carry genes which make the bacterium resistant to antibiotics. When the cell in which they are located ... The avarage diameter of a coccus bacterial cell is only about one micrometer. Most bacterial cell are enclosed by cell walls ...
  https://hubpages.com/education/Bacteria
*  Plasmid | Article about Plasmid by The Free Dictionary
A circular extrachromosomal genetic element that is ubiquitous in prokaryotes and has also been identified in a number of ... which have been identified as small circular molecules present in the bacterial DNA. The host range of a particular plasmid is ... In general, bacterial plasmids can be classified into two groups on the basis of the number of genes and functions they carry. ... There is usually a small number of copies of these plasmids per host chromosome, so that their replication must be precisely ...
  http://encyclopedia2.thefreedictionary.com/Plasmid
*  Patent US20020031508 - Methods for diagnosing and treating hemostatic disorders by modulating P ... - Google Patents
One type of vector is a "plasmid", which refers to a circular double stranded DNA loop into which additional DNA segments can ... bacterial vectors having a bacterial origin of replication and episomal mammalian vectors). Other vectors (e.g., non-episomal ... In another embodiment, the fusion gene can be synthesized by conventional techniques including automated DNA synthesizers. ... Such chimeras allow DNA recognition enzymes, (e.g., RNAse H and DNA polymerases), to interact with the DNA portion while the ...
  http://www.google.com/patents/US20020031508?dq=6,460,050
*  Application # 2018/0037639. PEPTIDE CONSTRUCT HAVING A PROTEASE-CLEAVABLE LINKER - Patents.com
One type of vector is a plasmid, which refers to a circular double stranded DNA loop into which additional DNA segments may be ... bacterial vectors having a bacterial origin of replication and episomal mammalian and yeast vectors). Other vectors (e.g. non- ... solid-phase DNA synthesis. Entire genes may be synthesized de novo, without the need for precursor template DNA. To obtain the ... gene reassembly, Gene Site Saturation Mutagenesis (GSSM), synthetic ligation reassembly (SLR) or a combination of these methods ...
  http://patents.com/us-20180037639.html
*  Marseillevirus - Wikipedia
... both bacterial and viral, through probably horizontal gene transfer mechanism. Viral replication is nucleo-cytoplasmic. Dna ... The genome has 457 open reading frames and is circular. The genome has a length of 368 kb, with a G+C content of 44.73%, which ... The genome of the virus includes typical NCLDV core genes and genes apparently obtained from eukaryotic hosts and their ... It is the prototype of a family of nucleocytoplasmic large DNA viruses (NCLDV) of eukaryotes (commonly known as Giant Viruses ...
  https://en.wikipedia.org/wiki/Marseillevirus
*  Blood group antigens of different types for diagnostic and therapeutic applications - AbSorber AB
One type of vector is a "plasmid", which refers to a circular double stranded DNA loop into which additional DNA segments can ... bacterial vectors having a bacterial origin of replication and episomal mammalian vectors). Other vectors (e.g., non-episomal ... The GalNAcT (A-gene) and the GalT (B-gene) expression vectors contain the CMV promoter and the blasictidin resistance gene (Bsd ... Oriol et al., "A New Genetic Model Proposing That the Se Gene Is a Structural Gene Closely Linked to the H Gene", Am. J. Hum. ...
  http://www.freepatentsonline.com/7897328.html
*  AP Biology Big Idea #3 by Lea Richardson on Prezi
... bacterial transformation caused by DNA. Watson, Crick, Franklin, Wilkins- double helix structure, x-ray image. DNA replication ... Regulation of Gene Expression DNA regulatory sequences, regulatory genes, and small regulatory RNA. Regulatory sequence on DNA ... plasmids=double stranded DNA molecule, circular extra-chromosomal. Proof that DNA is genetic info?. Hershey Chase-Blender, ... mRNA, tRNA, rRNA, RNAi (regulation of gene expression). Central Dogma: DNA--,RNA--,Protein. RNA-polymerase reads the DNA ...
  https://prezi.com/wgunxy2obele/ap-biology-big-idea-3/
*  Research
Minicircle (MC) DNA vectors are small circular sequences of DNA similar to plasmids but devoid of any bacterial sequences, such ... as an origin of replication and antibiotic resistance genes. MCs could be considered the second-generation of DNA vectors, they ... a new method to remove any bacterial DNA sequences from the backbone and to achieve the minimum possible circular DNA size. ... 3]. Chen, Z.; He, C.; Ehrhardt, A.; Kay, M. 'Minicircle DNA Vectors Devoid of Bacterial DNA Result in Persistent and High-Level ...
  http://wenxinwang.group/research.html
*  Prophage - Wikipedia
All families of bacterial viruses with circular (single-stranded or double-stranded) DNA genomes or replicating their genomes ... in which the viral genes are present in the bacterium without causing disruption of the bacterial cell. Pro means ''before'', ... After induction, viral replication begins via the lytic cycle. In the lytic cycle, the virus commandeers the cell's ... A prophage is a bacteriophage (often shortened to "phage") genome inserted and integrated into the circular bacterial DNA ...
  https://en.wikipedia.org/wiki/Prophage
*  PPT - Organizing cellular DNA into chromosomes PowerPoint Presentation - ID:39755
Most bacterial chromosomes are circular with one replication origin Eukaryotic chromosomes each contain one linear DNA molecule ... Nucleosomes and Chromatin Structure Lodish Chapter 10.4 Organizing cellular DNA into chromosomes ... and multiple origins of replication Slideshow 39755 by Ava ... Epigenetics: changes in gene expression caused by mechanisms ... Most bacterial chromosomes are circular with one replication origin. *Eukaryotic chromosomes each contain one linear DNA ...
  https://www.slideserve.com/Ava/nucleosomes-chromatin