mic.sgmjournals.org
... different elements will allow a better understanding of bacterial genetics and evolution. ...
... different elements will allow a better understanding of bacterial genetics and evolution. ...
Advances in Environmental Biology
... environmental signals to turn on genes for virulence [2,6,22,32]. Flagella are filamentous protein structures attached to the cell surface that provide swimming movement for most motile bacterial cells. The diameter of a bacterial flagellum is about 20 nanometers, well-below the resolving power of t ...
... environmental signals to turn on genes for virulence [2,6,22,32]. Flagella are filamentous protein structures attached to the cell surface that provide swimming movement for most motile bacterial cells. The diameter of a bacterial flagellum is about 20 nanometers, well-below the resolving power of t ...
Genetics and Evolution of Deep-Sea Chemosynthetic Bacteria and
... up to 30 cm in length. The clam protrudes its highly vascularized and extensible foot deeply into small rocky fissures to absorb dissolved sulfides, and it uses its siphon to circulate ambient seawater to gills housing intracellular thiotrophic endosymbionts. The sessile vestimentiferan tubeworm, Ri ...
... up to 30 cm in length. The clam protrudes its highly vascularized and extensible foot deeply into small rocky fissures to absorb dissolved sulfides, and it uses its siphon to circulate ambient seawater to gills housing intracellular thiotrophic endosymbionts. The sessile vestimentiferan tubeworm, Ri ...
PDF
... microbial film is caught within such coatings the nutrient transfer and antibiotic diffusion are hampered. S.epidermidismay bring skin rashes and are often resistant to popular antibiotics penicillin, amoxicillin and methicillin. S.pyogenes is reported to cause rheumatic fever.B.cereus is responsibl ...
... microbial film is caught within such coatings the nutrient transfer and antibiotic diffusion are hampered. S.epidermidismay bring skin rashes and are often resistant to popular antibiotics penicillin, amoxicillin and methicillin. S.pyogenes is reported to cause rheumatic fever.B.cereus is responsibl ...
bacterial investigations lab
... Chemoheterotrophs must consume organic molecules for both energy and carbon. This nutritional mode is found widely in prokaryotes, protists, fungi, animals, and even some parasitic plants. The majority of known prokaryotes are chemoheterotrophs. These include saprobes, decomposers that absorb nutrie ...
... Chemoheterotrophs must consume organic molecules for both energy and carbon. This nutritional mode is found widely in prokaryotes, protists, fungi, animals, and even some parasitic plants. The majority of known prokaryotes are chemoheterotrophs. These include saprobes, decomposers that absorb nutrie ...
The Young Scientist Program Microbiology Teaching Team
... STAINING BACTERIA AND USE OF THE MICROSCOPE Background There are many different ways to stain bacteria so that they can be more easily visualized under the microscope. Some stains can also be used to identify and classify bacteria. The Gram stain is a differential stain that allows you to classify b ...
... STAINING BACTERIA AND USE OF THE MICROSCOPE Background There are many different ways to stain bacteria so that they can be more easily visualized under the microscope. Some stains can also be used to identify and classify bacteria. The Gram stain is a differential stain that allows you to classify b ...
Distribution and molecular characterization of
... cluster. This novel plasmid also confers tetracycline resistance when transformed to Escherichia coli and other L. hongkongensis isolates. Conclusions: Horizontal transfer of genes, especially through Tn1721 and related plasmids, is likely an important mechanism for acquisition and dissemination of ...
... cluster. This novel plasmid also confers tetracycline resistance when transformed to Escherichia coli and other L. hongkongensis isolates. Conclusions: Horizontal transfer of genes, especially through Tn1721 and related plasmids, is likely an important mechanism for acquisition and dissemination of ...
A two-component regulatory system interconnects
... resistance phenotype was suppressed in PAOW2 by deletion of the parS and parRS genes and conferred to PAO1Bes by chromosomal insertion of the mutated parRS locus from PAOW2. As shown by transcriptomic analysis, only a very small number of genes were expressed differentially between PAOW2 and PAO1Bes ...
... resistance phenotype was suppressed in PAOW2 by deletion of the parS and parRS genes and conferred to PAO1Bes by chromosomal insertion of the mutated parRS locus from PAOW2. As shown by transcriptomic analysis, only a very small number of genes were expressed differentially between PAOW2 and PAO1Bes ...
Rong Wang, Ph.D. U.S. Meat Animal Research Center Agricultural
... All meat samples in contact with solid surfaces colonized by Salmonella biofilms had positive Salmonella prevalence; Biofilm formation by Salmonella enterica might present a serious risk of causing cross‐contamination in meat plants. ...
... All meat samples in contact with solid surfaces colonized by Salmonella biofilms had positive Salmonella prevalence; Biofilm formation by Salmonella enterica might present a serious risk of causing cross‐contamination in meat plants. ...
View entire paper
... results indicate that sponges possess diverse and often nonoverlapping culturable and unculturable cohorts of heterotrophic microorganisms [17, 26, 35, 37, 50, 54]. Studies of microbial diversity lead to many interesting questions with respect to microbial ecology, distribution patterns, and potenti ...
... results indicate that sponges possess diverse and often nonoverlapping culturable and unculturable cohorts of heterotrophic microorganisms [17, 26, 35, 37, 50, 54]. Studies of microbial diversity lead to many interesting questions with respect to microbial ecology, distribution patterns, and potenti ...
2012 HSC Biology `Sample Answers`
... After the TE jumps, the gap in the DNA is unlikely to be repaired, again stopping the effective expression of that gene. Duplication of TEs and new locations of copies can disrupt even more genes. It can lead to chromosome elongation which disrupts pairing in mitosis and meiosis and consequently cel ...
... After the TE jumps, the gap in the DNA is unlikely to be repaired, again stopping the effective expression of that gene. Duplication of TEs and new locations of copies can disrupt even more genes. It can lead to chromosome elongation which disrupts pairing in mitosis and meiosis and consequently cel ...
E. coli - DTU CBS
... Figure 2.3. The workflow of Illumina Genome Analyzer [Ansorge, 2009] The first commercialized SGS machines are 454 pyrosequencing, which achieve higher sequencing throughput at a lower cost than Sanger sequencing [Margulies et al., 2005]. Subsequently, in 2007 Illumina/Solexa came up with Genome An ...
... Figure 2.3. The workflow of Illumina Genome Analyzer [Ansorge, 2009] The first commercialized SGS machines are 454 pyrosequencing, which achieve higher sequencing throughput at a lower cost than Sanger sequencing [Margulies et al., 2005]. Subsequently, in 2007 Illumina/Solexa came up with Genome An ...
Bacteriophages: antibacterials with a future?
... widespread use of the even more virulent Mycobacteria bovis as BCG vaccination, extensively used abroad and in which four of six studies showed a relatively high degree of immunization against future TB infections [16]. By 1996, the Russians, inspired by a WHO program for tuberculosis vaccine develo ...
... widespread use of the even more virulent Mycobacteria bovis as BCG vaccination, extensively used abroad and in which four of six studies showed a relatively high degree of immunization against future TB infections [16]. By 1996, the Russians, inspired by a WHO program for tuberculosis vaccine develo ...
Life: The Science of Biology, 8e
... • rRNA has evolved slowly; sequence similarities are easily found ...
... • rRNA has evolved slowly; sequence similarities are easily found ...
Chapter II Isolation identification and characterization
... and ethanol production are envisaged to have increased demand. The study also forecasts that while developed countries are likely to show increased market share, developing countries will show the best growth. Alkaline enzymes have a dominant position in the global enzyme market as constituents of d ...
... and ethanol production are envisaged to have increased demand. The study also forecasts that while developed countries are likely to show increased market share, developing countries will show the best growth. Alkaline enzymes have a dominant position in the global enzyme market as constituents of d ...
A C , May 2005, p. 1714–1719 Vol. 49, No. 5
... these two strains were of 0.064 and 0.047 g/ml; the MIC of levofloxacin was 0.094 g/ml, and finally the MIC of moxifloxacin was 0.016 g/ml. One strain showed a mutation in the amino acid codon Ser-87, generating a change to Arg and drastically increasing the MIC of ciprofloxacin to ⬎32 g/ml. The ...
... these two strains were of 0.064 and 0.047 g/ml; the MIC of levofloxacin was 0.094 g/ml, and finally the MIC of moxifloxacin was 0.016 g/ml. One strain showed a mutation in the amino acid codon Ser-87, generating a change to Arg and drastically increasing the MIC of ciprofloxacin to ⬎32 g/ml. The ...
Dr Rocky Cranenburgh
... X-mark™: Auto-Deleting Plasmid Technology The PepA accessory protein is needed for dimer resolution on plasmids but not on chromosomes – pepA mutants are viable E. coli with pepA deletion ...
... X-mark™: Auto-Deleting Plasmid Technology The PepA accessory protein is needed for dimer resolution on plasmids but not on chromosomes – pepA mutants are viable E. coli with pepA deletion ...
Principal Investigator/Prom Director (Last, First, Middle):
... 9) Cirillo, D.M., Heffernan, E.J., Wu, L., Harwood, J., Fierer, J., and Guiney, D.G.: Identification of a domain in Rck, a product of the Salmonella typhimurium virulence plasmid, required for both serum resistance and cell invasion. Infect Immun 64:2019-23, 1996. 10) Chen, C.-Y., Eckmann, L., Libby ...
... 9) Cirillo, D.M., Heffernan, E.J., Wu, L., Harwood, J., Fierer, J., and Guiney, D.G.: Identification of a domain in Rck, a product of the Salmonella typhimurium virulence plasmid, required for both serum resistance and cell invasion. Infect Immun 64:2019-23, 1996. 10) Chen, C.-Y., Eckmann, L., Libby ...
Lab6-Antimicrobial
... against a variety of gram-positive and gram-negative bacteria. 3. Agents that bind reversibly to the 50s ribosomal subunit and prevent the release of uncharged tRNA from the bacterial ribosome. Erythromycin is used against gram positive bacteria and some gram-negative bacteria. c. Antimicrobial agen ...
... against a variety of gram-positive and gram-negative bacteria. 3. Agents that bind reversibly to the 50s ribosomal subunit and prevent the release of uncharged tRNA from the bacterial ribosome. Erythromycin is used against gram positive bacteria and some gram-negative bacteria. c. Antimicrobial agen ...
The Solution to Dangerous Antibiotic
... bacteria problem like a pest infestation by systematically seeking and destroying sources of the bacteria before they spread (13). Better hospital sanitation protocol and policies are his proposed solution, and he has good reason. Recent statistics show that “health careassociated infections develop ...
... bacteria problem like a pest infestation by systematically seeking and destroying sources of the bacteria before they spread (13). Better hospital sanitation protocol and policies are his proposed solution, and he has good reason. Recent statistics show that “health careassociated infections develop ...
Bacteria
... ______ 3. What two kingdoms of living things do bacteria belong to? a. Eubacteria and Archaebacteria b. Fungi and Animalia c. Archaebacteria and Fungi d. Protista and Plantae ______ 4. Eubacteria and Archaebacteria contain a. all of the forms of life on Earth. b. the oldest forms of life on Earth. c ...
... ______ 3. What two kingdoms of living things do bacteria belong to? a. Eubacteria and Archaebacteria b. Fungi and Animalia c. Archaebacteria and Fungi d. Protista and Plantae ______ 4. Eubacteria and Archaebacteria contain a. all of the forms of life on Earth. b. the oldest forms of life on Earth. c ...
Identification of caspase-1 activating factor of Burkholderia
... in soil and surface water • Opportunistic pathogen • Resistant to many antibiotics • Huge genome: 4.1Mb +3.2Mb • Many virulence factors: siderophore, flagella, T3SSs, T6SSs • Able to invade cells and survive intracellularly ...
... in soil and surface water • Opportunistic pathogen • Resistant to many antibiotics • Huge genome: 4.1Mb +3.2Mb • Many virulence factors: siderophore, flagella, T3SSs, T6SSs • Able to invade cells and survive intracellularly ...
Horizontal gene transfer
Horizontal gene transfer (HGT) refers to the transfer of genes between organisms in a manner other than traditional reproduction. Also termed lateral gene transfer (LGT), it contrasts with vertical transfer, the transmission of genes from the parental generation to offspring via sexual or asexual reproduction. HGT has been shown to be an important factor in the evolution of many organisms.Horizontal gene transfer is the primary reason for bacterial antibiotic resistance, and plays an important role in the evolution of bacteria that can degrade novel compounds such as human-created pesticides and in the evolution, maintenance, and transmission of virulence. This horizontal gene transfer often involves temperate bacteriophages and plasmids. Genes that are responsible for antibiotic resistance in one species of bacteria can be transferred to another species of bacteria through various mechanisms (e.g., via F-pilus), subsequently arming the antibiotic resistant genes' recipient against antibiotics, which is becoming a medical challenge to deal with.Most thinking in genetics has focused upon vertical transfer, but there is a growing awareness that horizontal gene transfer is a highly significant phenomenon and among single-celled organisms perhaps the dominant form of genetic transfer.Artificial horizontal gene transfer is a form of genetic engineering.