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Bacteria Notes
... division of bacteria into two identical cells Conjugation – sexual; two prokaryotes attach to each other and exchange genetic material; creates diversity among bacteria ...
... division of bacteria into two identical cells Conjugation – sexual; two prokaryotes attach to each other and exchange genetic material; creates diversity among bacteria ...
Abstract Mac Rudnick - NIOO-KNAW
... Collimonas strains, is corresponding with phylogenetic distance. Furthermore, we show that collimonads are very motile in a soil-like matrix, especially when being confronted with low nutrient concentrations. This high motility can be used in order to effectively move towards oxalic acid (a metaboli ...
... Collimonas strains, is corresponding with phylogenetic distance. Furthermore, we show that collimonads are very motile in a soil-like matrix, especially when being confronted with low nutrient concentrations. This high motility can be used in order to effectively move towards oxalic acid (a metaboli ...
TODAR`S ONLINE TEXTBOOK OF BACTERIOLOGY The Normal
... 4. It stores polysaccharides made from dietary sugars which can be utilized as reserve carbon and energy sources for production of lactic acid. The extracellular glucans formed by S. mutans are, in fact, bacterial capsular polysaccharides that function as carbohydrate reserves. The organisms can als ...
... 4. It stores polysaccharides made from dietary sugars which can be utilized as reserve carbon and energy sources for production of lactic acid. The extracellular glucans formed by S. mutans are, in fact, bacterial capsular polysaccharides that function as carbohydrate reserves. The organisms can als ...
Prokaryotes- most numerous living organism group
... • Different from plants, fungi and protists ...
... • Different from plants, fungi and protists ...
Downloadable
... Cystobactamides may hold the key to filling this void in medical resources, but they cannot be isolated in any amount to even test their validity. In order to combat this issue the complete synthesis of cystobactamide 861-2 has been developed and optimized to make this special compound in high enoug ...
... Cystobactamides may hold the key to filling this void in medical resources, but they cannot be isolated in any amount to even test their validity. In order to combat this issue the complete synthesis of cystobactamide 861-2 has been developed and optimized to make this special compound in high enoug ...
LS CH 9 SEC 2 PWR PT
... • KEY- THERE ARE TWO WAYS IN WHICH BACTERIA CAN REPRODUCE • 1. ASEXUAL REPRODUCTION- A PROCESS THAT INVOLVES ONLY ONE PARENT AND PRODUCES OFFSPRING THAT ARE IDENTICAL TO PARENT. • 2. SEXUAL REPRODUCTION- TWO PARENTS COMBINE THEIR GENETIC MATERIAL TO PRODUCE A NEW ORGANISM WHICH DIFFERS FROM BOTH PAR ...
... • KEY- THERE ARE TWO WAYS IN WHICH BACTERIA CAN REPRODUCE • 1. ASEXUAL REPRODUCTION- A PROCESS THAT INVOLVES ONLY ONE PARENT AND PRODUCES OFFSPRING THAT ARE IDENTICAL TO PARENT. • 2. SEXUAL REPRODUCTION- TWO PARENTS COMBINE THEIR GENETIC MATERIAL TO PRODUCE A NEW ORGANISM WHICH DIFFERS FROM BOTH PAR ...
Chemical structures of bacteria
... All bacterial cells require a constant supply of energy to survive. This energy, typically in the form of adenosine triphosphate (ATP), is derived from the controlled breakdown of various organic substrates (carbohydrates, lipids, proteins). This process of substrate breakdown and conversion into us ...
... All bacterial cells require a constant supply of energy to survive. This energy, typically in the form of adenosine triphosphate (ATP), is derived from the controlled breakdown of various organic substrates (carbohydrates, lipids, proteins). This process of substrate breakdown and conversion into us ...
Cell Wall
... This additional layer can come in one of two forms: glycoproteins loosely associated with the cell wall. Slime layers cause bacteria to adhere to solid surfaces and help prevent the cell from drying out. Streptococcus The slime layer of Gram+ Streptococcus mutans allows it to accumulate on tooth ena ...
... This additional layer can come in one of two forms: glycoproteins loosely associated with the cell wall. Slime layers cause bacteria to adhere to solid surfaces and help prevent the cell from drying out. Streptococcus The slime layer of Gram+ Streptococcus mutans allows it to accumulate on tooth ena ...
Kingdom – Monera
... 2.) ___heterotrophic___ organisms cannot make their own food. These organisms may live off of dead and decaying matter. They are called ___chemotrophes__. If an organism can make its own food it is called a(n) ___autotrophe___. 3.) Since bacteria are single-celled organisms it is very difficult to s ...
... 2.) ___heterotrophic___ organisms cannot make their own food. These organisms may live off of dead and decaying matter. They are called ___chemotrophes__. If an organism can make its own food it is called a(n) ___autotrophe___. 3.) Since bacteria are single-celled organisms it is very difficult to s ...
Scientists look to Australian frogs for new antibiotics ANSTO scientist
... Scientists look to Australian frogs for new antibiotics ANSTO scientist, Dr Anton Le Brun, is studying the skin secretions of Australian frogs in the search for new antibiotics for treating infectious diseases. Antibiotics are very useful for treating infections caused by bacteria. Different classes ...
... Scientists look to Australian frogs for new antibiotics ANSTO scientist, Dr Anton Le Brun, is studying the skin secretions of Australian frogs in the search for new antibiotics for treating infectious diseases. Antibiotics are very useful for treating infections caused by bacteria. Different classes ...
A.1.2.1AntibioticTherapy
... 7. For each class of antibiotic, indicate where and how the antibiotic affects the bacterial cell on your bacterial cell diagram. 8. Research the structure of Neisseria menigitidis bacteria. Take notes in your laboratory journal. Determine if it is a Gram positive or Gram negative bacteria. ...
... 7. For each class of antibiotic, indicate where and how the antibiotic affects the bacterial cell on your bacterial cell diagram. 8. Research the structure of Neisseria menigitidis bacteria. Take notes in your laboratory journal. Determine if it is a Gram positive or Gram negative bacteria. ...
identification and characterization of genes regulated by aqsr, a luxr
... mobility shift assays (EMSA) with purified AqsR was performed to know direct binding of AqsR to the promoter region . Results. (1) 353 genes were differentially expressed during the stationary phase of wild type cells compared to that of aqsR mutant. AqsR appears to be a very important regulator bec ...
... mobility shift assays (EMSA) with purified AqsR was performed to know direct binding of AqsR to the promoter region . Results. (1) 353 genes were differentially expressed during the stationary phase of wild type cells compared to that of aqsR mutant. AqsR appears to be a very important regulator bec ...
Bacterial Growth Metabolism - King George`s Medical University
... Bacterial Taxonomy Bacterial growth curve Fastidious /non fastidious bacteria ...
... Bacterial Taxonomy Bacterial growth curve Fastidious /non fastidious bacteria ...
BACTERIAL BIOFILMS IN NATURE AND DISEASE
... basis of in vitro data and tested on test-tube bacteria have provided a large measure of control of these pathogenic organisms. During the last two decades microbial ecologists have developed a series of exciting new techniques for the examination of bacteria growing in vivo, and often in situ, in n ...
... basis of in vitro data and tested on test-tube bacteria have provided a large measure of control of these pathogenic organisms. During the last two decades microbial ecologists have developed a series of exciting new techniques for the examination of bacteria growing in vivo, and often in situ, in n ...
Archaea and Bacteria Chapter 27
... a. Actinomycetes form colonies having branched fungus like bodies and like them form chains of spores. Most of them are free living decomposers in soil and are responsible for earthy odor of rich soil. Pharmaceutical companies cultivate Streptomycetes to procure many antibiotics (bactericidal drugs ...
... a. Actinomycetes form colonies having branched fungus like bodies and like them form chains of spores. Most of them are free living decomposers in soil and are responsible for earthy odor of rich soil. Pharmaceutical companies cultivate Streptomycetes to procure many antibiotics (bactericidal drugs ...
Vocabulary Chapter 11 Prokaryotes Monera Another name given to
... A more advanced group of bacteria often referred to as “true bacteria” Example: Pneumonia is caused by eubacteria living in human cells mycoplasmas A membrane that surrounds some types of bacteria Example: Eubacteria cells are surrounded by mycoplasmas composed of fatty compounds. cyanobacteria The ...
... A more advanced group of bacteria often referred to as “true bacteria” Example: Pneumonia is caused by eubacteria living in human cells mycoplasmas A membrane that surrounds some types of bacteria Example: Eubacteria cells are surrounded by mycoplasmas composed of fatty compounds. cyanobacteria The ...
Bacteria and Archaea
... their DNA, with a filamentous growth habit. biofilm A community of microorganisms embedded in a polysaccharide matrix, forming a highly resistant coating on almost any moist surface. bioluminescence The production of light by biochemical processes in an organism. chemoheterotroph An organism that mu ...
... their DNA, with a filamentous growth habit. biofilm A community of microorganisms embedded in a polysaccharide matrix, forming a highly resistant coating on almost any moist surface. bioluminescence The production of light by biochemical processes in an organism. chemoheterotroph An organism that mu ...
Surface Colonization by and Life Cycle of Pelobacter
... Continuousflowmicrochamber.The microchamber comprised a central elliptical well of 2 ml volume which was milled into a plexiglass slide (80 x 30 x 5 mm). Two holes (1 mm diameter) drilled through the side of the plexiglass slide to the central chamber served as medium inlet and outlet. The central c ...
... Continuousflowmicrochamber.The microchamber comprised a central elliptical well of 2 ml volume which was milled into a plexiglass slide (80 x 30 x 5 mm). Two holes (1 mm diameter) drilled through the side of the plexiglass slide to the central chamber served as medium inlet and outlet. The central c ...
Biology of Plants
... into nitrogen compounds • Autotrophic bacteria major contributor to global carbon balance (more than 90% other than that associated with human activity comes from bacteria and fungi) • Decomposers (natural and toxins)patroleum, pesticides, mercury, and dyes- ...
... into nitrogen compounds • Autotrophic bacteria major contributor to global carbon balance (more than 90% other than that associated with human activity comes from bacteria and fungi) • Decomposers (natural and toxins)patroleum, pesticides, mercury, and dyes- ...
Endosymbiosis - Summit Academy High School
... …so if endosymbiosis is a good theory, then what would we predict? The Endosymbiotic Theory predicts that Mitochondria should show the following features: 1. Circular DNA as in bacteria 2. Similar genes to bacteria 3. Small ribosomes as in bacteria 4. Similar proteins to bacteria 5. Double membrane ...
... …so if endosymbiosis is a good theory, then what would we predict? The Endosymbiotic Theory predicts that Mitochondria should show the following features: 1. Circular DNA as in bacteria 2. Similar genes to bacteria 3. Small ribosomes as in bacteria 4. Similar proteins to bacteria 5. Double membrane ...
Microbial physiology
... The biochemical reactions in living cells which allow them to assimilate food to provide energy for their growth and reproduction, are termed metabolism. ...
... The biochemical reactions in living cells which allow them to assimilate food to provide energy for their growth and reproduction, are termed metabolism. ...
Biofilm
![](https://commons.wikimedia.org/wiki/Special:FilePath/Staphylococcus_aureus_biofilm_01.jpg?width=300)
A biofilm is any group of microorganisms in which cells stick to each other on a surface. These adherent cells are frequently embedded within a self-produced matrix of extracellular polymeric substance (EPS). Biofilm extracellular polymeric substance, which is also referred to as slime (although not everything described as slime is a biofilm), is a polymeric conglomeration generally composed of extracellular DNA, proteins, and polysaccharides. Biofilms may form on living or non-living surfaces and can be prevalent in natural, industrial and hospital settings. The microbial cells growing in a biofilm are physiologically distinct from planktonic cells of the same organism, which, by contrast, are single-cells that may float or swim in a liquid medium.Microbes form a biofilm in response to many factors, which may include cellular recognition of specific or non-specific attachment sites on a surface, nutritional cues, or in some cases, by exposure of planktonic cells to sub-inhibitory concentrations of antibiotics. When a cell switches to the biofilm mode of growth, it undergoes a phenotypic shift in behavior in which large suites of genes are differentially regulated.